Tuesday, December 31, 2024

Top 10 Cardiology News of December 2024

Closing the Left Atrial Septal Pouch for Stroke Prevention

  • A small trial investigated the potential of closing the left atrial septal pouch, an anatomical feature seen in about one-third of adults, to reduce stroke risk.
  • While promising, the study emphasized the need for further research to clarify its role in stroke prevention.

CMS Final Rule: ‘Death by a Thousand Cuts’ for Cardiologists

  • The CMS 2025 Final Rule introduced significant reimbursement cuts, posing ongoing financial challenges for cardiologists.
  • The cardiovascular community continues to advocate for long-term solutions rather than short-term fixes to address these systemic issues.

Inaugural Interventional Cardiology Match Completed

  • The first-ever interventional cardiology match was completed this week, with 164 programs offering 326 positions.
  • Of the 290 applicants, 272 successfully matched, marking a milestone for this subspecialty.

PCR London Valves: Electrical Variables and Pacemaker Needs Post-TAVI

  • The CONDUCT-TAVI study showed that electrical variables, rather than valve type, predict the need for a pacemaker after TAVI.
  • The study found no association between self-expanding valves and increased pacemaker risk, challenging earlier assumptions.

Potential Sex Differences in FFR-Guided PCI vs. CABG

  • The FAME 3 trial suggested possible sex differences in outcomes for fractional flow reserve (FFR)-guided PCI compared to CABG.
  • Low representation of women in the trial limited definitive conclusions, highlighting the need for more gender-balanced studies.

Reimbursement Challenges for Renal Denervation

  • Financial barriers have slowed the adoption of renal denervation in many centers, despite its potential benefits for hypertension management.
  • Some financial relief is expected in the coming year, but reimbursement issues remain a significant obstacle.

Smokeless Oral Nicotine: Unknowns and Risks

  • The AHA policy statement highlighted concerns about nicotine gummies, pouches, and other smokeless oral nicotine products.
  • While these products are rapidly proliferating, their long-term risks to cardiovascular health remain largely unknown.

Tirzepatide Approved for Sleep Apnea in Obesity

  • The FDA approved tirzepatide (Zepbound/Mounjaro; Eli Lilly) as the first drug for sleep apnea in adults with obesity.
  • Approval followed topline results from the SURMOUNT-OSA trial, underscoring its potential to address this significant unmet need.

Tirzepatide Outperforms Semaglutide for Weight Loss

  • The SURMOUNT-5 trial demonstrated that tirzepatide led to greater weight loss than semaglutide, with patients losing an average of 20.2% versus 13.7% of their body weight over 72 weeks.

Twitter Exodus: Cardiologists Ditch X for Bluesky

  • Many cardiologists have migrated from X (formerly Twitter) to Bluesky, citing concerns about the changing social media landscape.
  • Once a hub for professional connection, X has seen reduced engagement among medical professionals in 2024.

Tirzepatide Outperforms Semaglutide in Weight Loss: SURMOUNT-5 Study Results

Tirzepatide demonstrated superior weight loss efficacy compared to semaglutide in the SURMOUNT-5 trial, according to topline results released by Eli Lilly. (Learn More)

The 72-week study involved 751 patients with obesity or overweight and at least one weight-related comorbidity.

Tirzepatide users experienced an average 20.2% reduction in body weight, while semaglutide users achieved a 13.7% reduction.

This represents a 47% greater weight loss with tirzepatide compared to semaglutide.

Tirzepatide is a dual glucose-dependent insulinotropic polypeptide (GIP) and glucagon-like peptide 1 (GLP-1) receptor agonist, while semaglutide is solely a GLP-1 receptor agonist.

Over 31% of tirzepatide patients achieved a 25% reduction in body weight, compared to 16.1% of semaglutide patients.

Both drugs primarily caused mild-to-moderate gastrointestinal issues as side effects.

Tirzepatide (Zepbound) and semaglutide (Wegovy) are both FDA-approved for chronic weight management in adults with obesity or overweight and a weight-related condition.

Semaglutide has an additional indication for cardiovascular disease prevention based on the SELECT trial.

Both drugs are also approved under different names (Mounjaro and Ozempic, respectively) for type 2 diabetes treatment.

SUMMIT and STEP-HFpEF trials have shown the effectiveness of tirzepatide and semaglutide in patients with heart failure with preserved ejection (HFpEF).

Eli Lilly is conducting the SURPASS-CVOT study, comparing tirzepatide and dulaglutide in patients with type 2 diabetes.

Full SURMOUNT-5 results are expected to be published and presented at a major medical meeting in 2025.

Key Takeaways:

  • Tirzepatide showed 47% greater weight loss than semaglutide over 72 weeks
  • Tirzepatide users lost an average of 20.2% body weight vs 13.7% with semaglutide
  • Both drugs are FDA-approved for chronic weight management and type 2 diabetes treatment
  • Full SURMOUNT-5 results are anticipated in 2025

Expanding Therapies and Challenges in Heart Failure Management in 2024

Advances in ATTR-CM Treatments

  • The HELIOS-B trial showed that vutrisiran (Amvuttra; Alnylam), a novel “silencer” agent for transthyretin amyloidosis with cardiomyopathy (ATTR-CM), reduced all-cause mortality and recurrent cardiovascular events compared to placebo.
  • The benefits of vutrisiran were evident in both the overall population and among patients not on background tafamidis (Vyndaqel and Vyndamax; Pfizer), the first FDA-approved drug for ATTR-CM.
  • The FDA  approved acoramidis (Attruby; BridgeBio) for ATTR-CM, based on the ATTRibute-CM trial, marking the second approved therapy for this condition.

Cardiac Myosin Inhibitors for HCM

  • The SEQUOIA-HCM trial demonstrated that aficamten (Cytokinetics) improved peak oxygen uptake and other health indicators in patients with obstructive hypertrophic cardiomyopathy (HCM).
  • Updated guidelines from the AHA and ACC highlighted advancements in therapies, including mavacamten (Camzyos; Bristol Myers Squibb), approved in 2022 for symptomatic obstructive HCM.

Concerning Trends in HF Mortality

  • A study published in April suggested that heart failure (HF) mortality rates have increased, potentially reversing years of progress, with current rates higher than in 1999.
  • Experts debated whether these trends reflect genuine changes or issues related to the classification and coding of causes of death.

FINEARTS-HF Trial and MRAs

  • The FINEARTS-HF trial showed that finerenone (Kerendia; Bayer AG), a nonsteroidal mineralocorticoid receptor antagonist (MRA), reduced worsening HF events and cardiovascular mortality in patients with HFmrEF or HFpEF.
  • MRAs continue to be a cornerstone of guideline-directed medical therapy (GDMT) for heart failure with reduced ejection fraction (HFrEF), although their uptake remains suboptimal.

GLP-1 Receptor Agonists in HFpEF

  • The STEP-HFpEF DM trial demonstrated that semaglutide (Wegovy; Novo Nordisk) improved symptoms and physical function in patients with obesity-related HFpEF and type 2 diabetes.
  • The SUMMIT trial revealed that tirzepatide (Zepbound; Eli Lilly) significantly reduced cardiovascular mortality and worsening HF events in patients with HFpEF and obesity.
  • Challenges with long-term adherence due to high costs and side effects remain significant barriers to the broader use of these therapies.

Implications of ADHD Medications and ARNI Therapy

  • A study linked ADHD medications to cardiomyopathy in young adults, raising concerns about their cardiovascular risks.
  • The SARAH trial found that sacubitril/valsartan (Entresto; Novartis) helped protect against cardiotoxicity from anthracycline chemotherapy in high-risk cancer patients.

RELIEVE-HF Trial: Ventura Interatrial Shunt

  • The RELIEVE-HF trial found that the Ventura interatrial shunt (V-Wave), though safe, did not improve prognosis or symptoms across a range of HF patients.
  • Potential benefits were observed in HFrEF patients, but harm was suggested in those with HFpEF, highlighting the need for careful patient selection.

Sharp Increases in HF Incidence

  • The Heart Failure Society of America (HFSA) reported significant increases in HF incidence among younger populations, racial/ethnic minorities, and individuals with comorbid conditions.
  • The HFSA issued a "call to action" to address these disparities and the growing burden of HF in the US population.

Summary of Challenges and Opportunities in HF Care

  • Despite worrisome trends, the HF community now offers more treatment options than ever, with challenges shifting to optimizing combinations and sequences of therapies.
  • Experts noted the dramatic transformation in the HF landscape over the past two decades, with optimism for continued progress in the coming years.

Monday, December 30, 2024

Key Developments in Prevention and Cardiometabolic Health in 2024

Advances in Lipoprotein(a)-Lowering Therapies

  • Two-phase II trials highlighted promising advancements in lowering lipoprotein(a) (Lp(a)), a cardiovascular risk factor primarily influenced by genetics.
  • The KRAKEN trial tested the oral agent muvalaplin (Eli Lilly), while the ALPACAR-360 trial evaluated the siRNA therapy zerlasiran (Silence Therapeutics). Both therapies showed significant potential for reducing Lp(a) levels, marking progress in tackling a previously challenging target.

Breakthroughs with GLP-1 and GIP Agonists

  • The FLOW Trial confirmed that semaglutide (Ozempic/Wegovy; Novo Nordisk) reduces major kidney disease events in patients with type 2 diabetes and chronic kidney disease, along with benefits like weight loss, improved heart failure symptoms, and reduced cardiovascular events.
  • The SUMMIT trial demonstrated that tirzepatide (Zepbound/Mounjaro; Eli Lilly) reduced cardiovascular mortality and heart failure events by nearly 40% in patients with obesity-related HFpEF, with additional benefits such as reduced epicardial fat and inflammation.
  • Despite their efficacy, the high costs of GLP-1 receptor agonists remain a barrier, with future development of oral formulations offering hope for broader access.

Controversy Over Sugar Alcohols

  • New evidence linked sugar alcohols, such as xylitol, to higher cardiovascular risk, raising concerns about their safety as low-calorie sweeteners in heart-healthy diets.
  • This finding challenges their perception as a benign alternative to sugar and underscores the need for further research into their long-term effects.

Digital Tools for Statin Therapy

  • The TACTiC trial demonstrated the effectiveness of a digital app in enabling patients to self-identify for over-the-counter statin therapy.
  • This tool addresses stigma associated with statin use, encouraging more widespread adoption of this essential cardiovascular prevention strategy.

Emerging Blood Pressure Therapies

  • The KARDIA-2 trial revealed that zilebesiran (Alnylam Pharmaceuticals), a twice-yearly injectable siRNA targeting angiotensinogen, significantly lowers systolic blood pressure when added to standard therapies.
  • Additionally, the BPROAD trial supported intensive blood pressure management, with targets below 120 mm Hg in patients with type 2 diabetes, offering new perspectives on optimal treatment strategies.

European Guidelines on Hypertension

  • Updated European Society of Cardiology (ESC) guidelines for hypertension aligned with 2017 US recommendations, lowering blood pressure targets to improve cardiovascular outcomes.
  • The PREVENT tool continued to prove its accuracy in predicting risks of MI, stroke, and heart failure, offering insights into long-term cardiovascular, kidney, and metabolic risks for individuals as young as 30 years old.

Food as Medicine and Population Health

  • The concept of "food is medicine" gained prominence as a simple, cost-effective strategy for cardiovascular disease prevention.
  • Experts emphasized that combining advanced therapies like GLP-1 agonists with lifestyle interventions is crucial for achieving sustainable health outcomes on a population level.

New LDL-Lowering Drugs

  • The BROOKLYN trial showed that the investigational CETP inhibitor obicetrapib (NewAmsterdam Pharma) significantly reduces LDL cholesterol in patients with heterozygous familial hypercholesterolemia.
  • This promising development highlights a potential new approach to managing high cholesterol in patients with genetic predispositions.

Plastic Pollution and Cardiovascular Risk

  • A study identified microscopic plastic particles in the atherosclerotic plaque of patients with carotid stenosis, linking these particles to an increased risk of adverse cardiovascular events.
  • This research raises awareness of plastic pollution as a potential contributor to cardiovascular disease and a target for prevention.

Preoperative Food Intake and Cath Lab Practices

  • New findings confirmed that allowing patients to eat before cardiac catheterization is safe and may offer benefits compared to traditional fasting protocols.
  • This challenges the long-standing "nothing by mouth after midnight" practice and aligns with efforts to improve patient comfort and outcomes.

Conclusion

2024 brought significant advancements in both cutting-edge therapies and fundamental prevention strategies, paving the way for improved cardiovascular health outcomes. From novel drugs targeting specific risk factors to rethinking dietary and procedural norms, this year underscored the importance of integrating innovation with tried-and-true prevention techniques.

Advances in Endovascular (PAD) Treatments and Devices in 2024

 BASIL-3 Trial: DES/DCB Versus Plain Balloon Angioplasty
  • The BASIL-3 trial found no significant improvement in amputation-free survival for patients with chronic limb-threatening ischemia (CLTI) treated with drug-eluting stents (DES) or drug-coated balloons (DCB) compared to plain balloon angioplasty.
  • Experts debated the trial's endpoints, noting that COVID-related deaths may have diluted the mortality outcomes and that the study was likely underpowered.

Breakthroughs in Below-the-Knee (BTK) Disease Treatment

  • The FDA approved the everolimus-eluting Esprit BTK scaffold (Abbott Vascular) based on the LIFE-BTK study, which showed its safety and efficacy compared to angioplasty alone.
  • The 2-year data revealed fewer reinterventions in scaffold-treated patients, and researchers highlighted its potential to prevent biologic restenosis.
  • Other BTK innovations included the Shockwave E8 peripheral intravascular lithotripsy (IVL) catheter, designed for challenging lesions, and the Bare Temporary Spur system (Reflow Medical), which mimics stenting without long-term implant risks.

DETOUR 2 Trial: Percutaneous Transmural Arterial Bypass

  • The DETOUR 2 trial demonstrated sustained patency at 3 years for percutaneous transmural arterial bypass, an endovascular technique for complex superficial femoropopliteal lesions that eliminates the need for open surgical cutdowns.

  • The technique was noted as a valuable option for patients who failed standard interventions, with no reports of late venous issues or deep vein thrombosis (DVT) complications.

Larger Role for Limus-Based Therapies in PAD

  • The SIRONA trial compared paclitaxel-based DCBs and sirolimus-based DCBs, finding no differences in primary patency or major adverse outcomes at 1 year.
  • The study, which will follow patients for 5 years, aims to clarify the long-term safety and efficacy of sirolimus DCBs for below-the-knee lesions.

LIFE-BTK and Javelin Device Developments

  • The Javelin device (Shockwave Medical), a forward-facing IVL catheter, showed high success rates in crossing heavily calcified peripheral lesions, with pooled data reporting 93% success in achieving full lesion crossing.

PEERLESS Trial: Thrombectomy vs. Thrombolysis

  • The PEERLESS trial demonstrated the superiority of large-bore mechanical thrombectomy with the FlowTriever system (Inari Medical) over catheter-directed thrombolysis for intermediate-risk pulmonary embolism.
  • Patients treated with thrombectomy had fewer clinical deteriorations, shorter hospital stays, lower 30-day readmission rates, and better early recovery outcomes at 24 hours.

Peripheral Artery Disease (PAD) Guidelines and Foot Care

  • Updated PAD guidelines emphasized rigorous medical therapy, collaborative vascular care, and the importance of foot care across the spectrum of PAD and CLTI.

Radial Access in Peripheral Interventions

  • The American Heart Association issued a scientific statement on the benefits of radial access in peripheral vascular interventions while acknowledging barriers to its widespread adoption.

SAFE-IVC Study: Timely Removal of IVC Filters

  • The SAFE-IVC study found that only 15% of Medicare patients with implanted inferior vena cava filters had them removed in a timely manner, a statistic described as “inexplicably and unacceptably low.”

Carotid Artery Stenting (CAS) and Educational Gaps

  • Following Medicare’s expanded coverage for CAS and trans carotid artery revascularization, debates arose over patient safeguards and operator training to address skill gaps.
  • Experts stressed the need for professional societies to close educational gaps among younger operators less experienced in carotid interventions.

Emerging Opportunities in BTK and PAD

  • New devices and therapies for BTK lesions have renewed optimism, particularly in addressing nonhealing wounds and complex cases.
  • Researchers anticipate more real-world data on the effectiveness of devices like the Esprit BTK scaffold and innovations such as the Javelin device and Shockwave E8 IVL catheter in treating difficult peripheral artery cases.

Major Advances in Structural Heart Disease in 2024

 FDA Approvals for Tricuspid Regurgitation Devices

  • In February, the Evoque tricuspid valve replacement system (Edwards Lifesciences) became the first transcatheter tricuspid device approved in the US, based on data from the TRISCEND II trial, which showed significant quality-of-life improvements.
  • Two months later, the FDA approved the TriClip (Abbott) for transcatheter edge-to-edge repair, supported by the TRILUMINATE trial, where TriClip outperformed medical therapy in reducing death, hospitalization, and improving quality of life in patients not suitable for surgery.

Controversy in TAVI Outcomes and Usage

  • The SMART trial found that TAVI with a self-expanding supra-annular valve had similar 1-year outcomes to a balloon-expandable valve but with lower rates of bioprosthetic dysfunction in patients with a small aortic annulus, sparking debate over valve selection.
  • A registry analysis presented at the American Association for Thoracic Surgery 2024 meeting revealed that over half of patients under 65 with severe aortic stenosis received TAVI in 2021, despite guidelines favoring surgical aortic valve replacement (SAVR), raising concerns about overuse in younger patients.

EARLY TAVR Trial: Benefits of Early Intervention

  • The EARLY TAVR trial showed a lower rate of death, stroke, or unplanned cardiovascular hospitalization in asymptomatic patients with severe aortic stenosis who underwent early TAVI compared to clinical surveillance.
  • Over a median follow-up of 3.8 years, early TAVI reduced unplanned hospitalizations (20.9% vs. 41.7%), driving the primary endpoint difference.

Challenges for the Acurate neo2 Valve

  • The ACURATE trial found that the Acurate neo2 TAVI valve (Boston Scientific) failed to achieve noninferiority versus Evolut (Medtronic) and Sapien (Edwards Lifesciences) in symptomatic severe aortic stenosis patients, questioning its potential for FDA approval despite its availability in Europe.

Post-TAVI Challenges and Redo Procedures

  • Data from the Society of Thoracic Surgeons Adult Cardiac Surgery Database revealed a fourfold increase in post-TAVI cardiac surgeries for failed procedures between 2017 and 2023.
  • The TVT Registry reported a rise in TAVR explants and redo TAVR procedures, emphasizing the need to monitor outcomes, especially as TAVI is considered for earlier use in patients.

Cerebral Embolic Protection and PROTECT-TAVI Trial

  • Enrollment for the PROTECT-TAVI trial, testing TAVI with cerebral embolic protection using the Sentinel system (Boston Scientific), was stopped due to little prospect of demonstrating a benefit and potential harm.
  • The PROTECTED TAVR trial previously missed its primary endpoint and showed unexplained geographic differences, further questioning the viability of cerebral embolic protection as a routine adjunct in TAVI.

Industry Developments and Future Outlook

  • Edwards Lifesciences acquired JenaValve and plans to seek FDA approval for the JenaValve Trilogy system in 2025, which would make it the first transcatheter therapy for severe aortic regurgitation.
  • New devices and therapies, including the Evoque and TriClip, are expected to shape discussions on device selection, health system preferences, and reimbursement strategies in the coming years.

Friday, December 27, 2024

Sixteen Cardiology Practices Settle $17.7 Million Medicare Overbilling Allegations

  • Sixteen cardiology practices from 12 states agreed to pay over $17.7 million to settle allegations of overbilling Medicare for diagnostic radiopharmaceuticals.
  • The U.S. Department of Justice (DOJ) alleged that these practices reported inflated acquisition costs to Medicare for drugs used in cardiovascular medical imaging.
  • The alleged scheme spanned up to 10 years, involving systematic overbilling for diagnostic drugs.
  • Whistleblowers played a crucial role, helping the DOJ uncover the scheme and will receive about $2.7 million from the settlements.
  • Overcharging practices compromise healthcare programs and undermine public trust in federal health services, as stated by the DOJ.
  • This case highlights the importance of reporting misconduct, which helps prevent abuse of federal healthcare programs.
  • Practices involved overbilling Medicare by exaggerating the costs of drugs for heart imaging diagnostics.
  • Settlement payments from the practices ranged from $50,000 to $6.75 million, varying based on the scale of involvement.
  • Western Kentucky Heart & Lung Associates PSC paid the largest settlement of $6.75 million.
  • Other significant payments included $2.6 million from Heart Clinic of Paris P.A. and $2.37 million from Scranton Cardiovascular Physician Services LLC.
  • Smaller payments included $50,000 from Wellspring Cardiac Care P.A. and $160,000 from Boulder Medical Center PC.
  • The settlement explicitly states there was no admission of guilt or determination of liability.
  • Allegations against the practices remain as claims, with the settlement resolving the disputes without a court ruling.
  • The case underscores the DOJ's commitment to holding providers accountable for exploiting federal healthcare programs.
  • Protecting Medicare from fraudulent practices ensures its sustainability for future patients.
  • The involvement of whistleblowers demonstrates the critical role of public vigilance in upholding ethical healthcare practices.

Innovations and Trials Shaping Arrhythmia Care in 2024

Advances in Atrial Fibrillation (AF) Treatment: Pulsed-Field Ablation (PFA) 

  • Pulsed-field ablation (PFA) gained significant traction in 2024 following the FDA approval of multiple PFA systems, starting with Medtronic’s PulseSelect system in late 2023.
  • Additional approvals included Farapulse (Boston Scientific) in January, as well as Varipulse (Johnson & Johnson MedTech) and Medtronic’s Affera mapping and ablation system with the Sphere-9 catheter, capable of delivering both pulsed-field and radiofrequency energy.
  • While electrophysiologists are enthusiastic about the shorter, safer procedures enabled by PFA, concerns remain about long-term durability and rare complications like coronary spasm and hemolysis, which can lead to acute renal failure.

SHAM-PVI Trial: Addressing Skepticism

  • The SHAM-PVI trial, presented at the European Society of Cardiology Congress and published in JAMA, addressed concerns about the feasibility of a sham-controlled trial for catheter ablation in AF.
  • The trial showed that pulmonary vein isolation (PVI) using cryoablation significantly reduced AF burden, improved arrhythmia-related symptoms, and enhanced patients' quality of life compared to sham procedures.

OPTION Trial: Comparing LAAO and Anticoagulants

  • The OPTION trial, presented at the American Heart Association Scientific Sessions and published in the New England Journal of Medicine, explored adding left atrial appendage occlusion (LAAO) with the Watchman FLX device to catheter ablation for AF.
  • The trial demonstrated that LAAO reduced bleeding and offered non-inferior efficacy compared with direct oral anticoagulants, though some experts questioned the trial’s endpoints. Learn More

EPIC-CAD Trial: Reducing Bleeding in High-Risk AF

  • The EPIC-CAD trial, presented at ESC 2024 and published in NEJM, found that in high-risk AF patients with stable coronary artery disease, treatment with edoxaban (Savaysa) alone significantly reduced net adverse clinical events at 1 year compared to edoxaban plus antiplatelet therapy.
  • The reduced risk was primarily due to a lower incidence of bleeding, highlighting a safer approach for managing this patient population.  Learn More

Updated European AF Guidelines

  • The updated European AF guidelines introduced a new pathway called AF-CARE, emphasizing comorbidity and risk factor management (C), avoidance of stroke and thromboembolism (A), rate and rhythm control (R), and evaluation and dynamic assessment (E).
  • These guidelines reflect an increasingly comprehensive approach to AF management, integrating both clinical and patient-centered strategies. Learn More

Advances in Conduction-System Pacing

  • Physiologic or conduction-system pacing, particularly left bundle branch area pacing, has emerged as a prevalent and impactful development in clinical care. HOT CRT Trial

Artificial Intelligence in Arrhythmia Management

  • The application of artificial intelligence (AI) in arrhythmia diagnosis continued to gain momentum, driven by ongoing research and promising advancements in the field.

Smoking Cessation and AF Prevention

  • A study published in JACC: EP highlighted the benefits of smoking cessation, showing a significant reduction in the risk of developing AF among individuals who quit smoking. Learn More

Looking Ahead to 2025

  • The field anticipates expanded data on implantable and wearable devices, as well as broader use of left atrial appendage occlusion devices.
  • Additional research is expected on the role of catheter ablation for ventricular tachycardia and the use of pulsed-field ablation for substrates beyond atrial fibrillation, including ventricular arrhythmias.

Major Highlights in Coronary Artery Disease for 2024

ABYSS Trial

  • The ABYSS trial showed that discontinuing beta-blocker therapy in stable patients years after a myocardial infarction (MI) increased the risk of adverse events.
  • The findings emphasized the long-term benefits of beta-blockers in reducing mortality and recurrent cardiovascular events in stable post-MI patients.

AGENT IDE Trial

  • The AGENT IDE trial led to the approval of Boston Scientific’s Agent balloon, a drug-coated balloon (DCB), for treating in-stent restenosis, with a significant reduction in target lesion failure at 12 months compared to uncoated balloons.
  • The REC-CAGEFREE I trial found that DCBs were inferior to drug-eluting stents in noncomplex coronary lesions, limiting their broader application.
  • Reimbursement for DCBs, expected in 2025, may increase their use, particularly in small-vessel disease, where placing stents is less desirable.

CLEAR SYNERGY (OASIS 9) Study

  • The CLEAR SYNERGY study showed that routine use of colchicine after PCI for acute myocardial infarction (AMI) failed to reduce major adverse cardiovascular events.
  • The study revealed that spironolactone reduced heart failure events, suggesting it may benefit high-risk post-MI patients despite not achieving its primary endpoints.

DanGer Shock Trial

  • The DanGer Shock trial demonstrated that the Impella CP microaxial flow pump reduced 180-day mortality in patients with STEMI complicated by cardiogenic shock compared to standard care.
  • Experts highlighted the importance of patient selection, as indiscriminate use of Impella might not yield similar benefits.
  • The positive results from DanGer Shock led to the early termination of the RECOVER IV trial, which lacked clinical equipoise between Impella and standard care.

ECLIPSE Trial

  • The ECLIPSE trial found no significant difference between orbital atherectomy and balloon angioplasty for treating calcified lesions, questioning the routine use of atherectomy.
  • The results supported a balloon-first strategy, using atherectomy as a bailout option, emphasizing safety and cost-effectiveness in managing calcified lesions.

REDUCE-AMI Trial

  • The REDUCE-AMI trial showed that long-term beta-blocker therapy did not reduce mortality or recurrent MI in patients with acute MI and preserved ejection fraction, challenging their routine use in the modern era of MI care.

                    Comparison of ABYSS and REDUCE-AMI

  • The ABYSS trial highlighted the harm of discontinuing beta-blockers in stable post-MI patients, reinforcing their long-term benefits.
  • The REDUCE-AMI trial found no mortality benefit from beta-blockers in patients with acute MI and preserved ejection fraction, reflecting the evolving understanding of post-MI care.

New Guidelines for Left Main Disease

  • Updated guidelines recommended coronary artery bypass surgery (CABG) over PCI for most patients with left main coronary artery disease, emphasizing CABG's superiority in reducing long-term adverse events.
  • These guidelines resolved prior disagreements between surgeons and interventionalists, including controversies from the EXCEL trial, which in 2019 raised concerns over the outcomes of PCI for left main CAD.
  • The EXCEL trial had contributed to divisions in the cardiovascular community, but the new guidelines gained support from the European Association for Cardio-Thoracic Surgery (EACTS), signifying a consensus.


Top Developments in Cardiology Policy and Practice in 2024

AI in Cardiology

  • The use of artificial intelligence (AI) in cardiology advanced significantly in 2024, particularly in areas like echocardiography and clinical decision-making.
  • Deep learning models improved sonographer efficiency and enabled whole-heart evaluations, while tools like ChatGPT demonstrated potential in assisting heart team decisions for patients undergoing coronary revascularization.
  • Experts noted that larger AI models are being developed and tested, bringing value to clinical note-taking and imaging, although challenges remain in implementation and reimbursement.
  • Physicians and the public have grown more comfortable with AI integration, as tools like ChatGPT have become ubiquitous and proven useful in augmenting medical practice.

American Heart Association Centennial Celebration

  • The field celebrated the 100th anniversary of the American Heart Association (AHA), founded in 1924 to study cardiovascular disease and now a global leader in prevention, diagnosis, and treatment.
  • The AHA’s legacy includes advocacy efforts, public health initiatives, and a world-renowned annual meeting that continues to advance the field of cardiology.

CMS Policy Changes and Reimbursement News

  • The Centers for Medicare & Medicaid Services (CMS) announced the first 10 drugs for price negotiation under the Inflation Reduction Act, most of which are widely used in cardiology patients.
  • The 2025 CMS rule included expected cuts to the physician fee schedule but also brought a significant win with a doubling of reimbursement rates for coronary computed tomography angiography (CCTA).

Key Themes in Cardiology Practice

  • Physician employment models have evolved, with the rise of private equity ownership influencing practice structures.
  • The integration of AI into clinical practice has created collaborative tools that reduce administrative burdens for physicians and improve efficiency.
  • Challenges with patient access to care have intensified, as many clinics struggle to schedule new patients within a reasonable timeframe due to increasing demand.

Private Equity in Cardiology Practices

  • A new analysis revealed that private equity firms now own nearly half of all cardiology clinics in the United States.
  • This trend has significantly reshaped the employment models of cardiologists and the operational structure of cardiology practices.

Shortages of GLP-1 Receptor Agonists

  • The growing demand for GLP-1 receptor agonists, such as semaglutide (Ozempic/Wegovy), tirzepatide (Mounjaro), and dulaglutide (Trulicity), has led to widespread shortages.
  • These shortages have created challenges for physicians as they search for alternative treatments for patients with type 2 diabetes or obesity who benefit from these drugs.

Expert Insights on AI and Patient Access

  • AI tools such as ambient clinical listening programs are helping to alleviate physician workload, according to experts.
  • There is growing recognition of the benefits AI models bring to imaging, note-taking, and augmentative medical use cases despite ongoing implementation hurdles.
  • Patient access to care remains a critical issue, with many clinics unable to accommodate new patients within 48 hours, a stark contrast to previous standards.
  • Experts emphasized the need for equitable care and systemic solutions to address the persistent bottlenecks in healthcare access.

Thursday, December 26, 2024

Musk’s Mounjaro Admission Sparks Discussion on Weight-Loss Medications

A leaner Elon Musk recently revealed that he takes Mounjaro for weight loss.

Musk shared this information in a festive social media post, where he dressed as Santa Claus with a flowing white beard.

He humorously referred to himself as “Ozempic Santa”, joking it was “like Cocaine Bear, but Santa and Ozempic.”

Musk clarified that he uses Mounjaro instead of Ozempic but noted the former lacks a catchy nickname.

He mentioned preferring Mounjaro due to fewer side effects compared to high doses of Ozempic.

Musk described Ozempic’s side effects as making him "fart and burp like Barney from the Simpsons."

Both Mounjaro and Ozempic belong to the GLP-1 inhibitor class, originally developed to regulate blood sugar and insulin for diabetes patients.

Americans are increasingly using GLP-1 inhibitors for successful weight loss.

Musk, who is 53, stated that Mounjaro seems more effective with less discomfort.

He has long supported widespread use of GLP-1 inhibitors to combat obesity in the U.S.

Musk’s support for GLP-1 inhibitors has drawn praise from prominent voices, including a liberal talk show host.

Musk, who dislikes exercise, has previously admitted to using Wegovy, another GLP-1 inhibitor, in 2022.

His endorsement has stirred debate about the role of medications versus lifestyle changes in tackling obesity.

Key Take-Home Points

  • Musk revealed he uses Mounjaro for weight loss, favoring it over Ozempic due to fewer side effects.
  • GLP-1 inhibitors, like Mounjaro and Ozempic, are being repurposed from diabetes treatment to aid weight loss.
  • Musk's position supports medication use for obesity, while critics push for diet-based solutions.
  • His statements have reignited discussions about obesity management, medications, and personal choices.
  • Mounjaro continues to gain popularity as a promising option with fewer side effects.

FDA Approves Generic Liraglutide for Type 2 Diabetes

The FDA has approved the first generic version of liraglutide injection, originally sold as Victoza, for treating type 2 diabetes.

This approval, granted to Hikma Pharmaceuticals USA Inc. on December 23, 2024, permits use in adults and pediatric patients aged 10 years and older.

The generic version is an 18 mg/3 mL injection, designed to complement diet and exercise in managing blood sugar levels.

Liraglutide is a glucagon-like peptide-1 (GLP-1) receptor agonist, which helps lower blood sugar effectively.

This comes on the heels of another FDA approval last month, introducing a generic referencing Byetta (exenatide), the first generic in the GLP-1 class of medications.

The introduction of generic liraglutide addresses an ongoing shortage of GLP-1 medications, including the branded Victoza.

Liraglutide was initially approved by the FDA in 2010 for adults and later expanded to include children aged 10 years and older in 2019.

Sales of branded liraglutide (6 mg/mL) in the U.S. totaled $1.3 billion in the 12 months ending October 2024.

The FDA approval aims to provide cost-effective treatment options, improving access for diabetes patients.

The branded version of liraglutide, marketed for both diabetes and obesity, costs between $500 and $815 per package before discounts.

While generic liraglutide offers promise, experts emphasize the need for multiple generics to drive significant price reductions.

Newer weekly GLP-1 drugs, like semaglutide, remain unavailable as generics and are significantly more expensive.

This approval aligns with the FDA's broader efforts to improve patient access to vital medications amid shortages.

Key Take-Home Points

  • The FDA has approved generic liraglutide and Byetta (exenatide), increasing options for type 2 diabetes treatment.
  • Generic liraglutide is approved for adults and children aged 10 years and older.
  • These generics address ongoing shortages and provide cost-effective alternatives to branded drugs.
  • Liraglutide is a GLP-1 receptor agonist, helping manage blood sugar effectively.
  • The approval is part of efforts to enhance affordability and accessibility for diabetes care.
  • More generics entering the market are needed to achieve substantial price reductions.
  • Newer weekly GLP-1 drugs, while more effective, remain unavailable as generics and are costly.
  • This progress is a step toward addressing medication shortages and expanding treatment options.

Tuesday, December 24, 2024

National Board of Echocardiography (NBE) Introduces MOCE: A New Era in Echocardiography Certification

The National Board of Echocardiography (NBE) has launched the Maintenance of Certification in Echocardiography (MOCE) program in 2024, replacing its traditional 10-year recertification process.


The MOCE program began in July 2024 and represents a shift towards continuous learning and longitudinal assessment for echocardiography specialists.

Under this new system, physicians who pass any initial NBE examination in 2024 will maintain their Diplomate status annually through MOCE, starting the year after passing their examination(s).

The MOCE program involves answering 12 questions per quarter, totaling 48 questions annually, which can be completed at the physician's own pace using a web browser or mobile app.

This approach allows physicians to test their echocardiography knowledge continuously, ensuring they stay updated with the latest developments in the field.

The transition to MOCE aligns with broader trends in medical specialties, emphasizing continuous certification and lifelong learning to maintain the highest standards of patient care.

This change reflects the NBE's mission to improve the quality of cardiovascular patient care by ensuring physicians maintain specialized knowledge and expertise in echocardiography throughout their careers.

For additional information, physicians can access short informational videos provided by the NBE, including a 12-minute overview and a 4-minute live demo of the aimeQED MOCE platform.


As the 2024 MOCE enrollment period has ended, the next opportunity for enrollment will begin on January 22, 2025.

For more detailed guidance, physicians are encouraged to visit the NBE website at www.echoboards.org/MOCE.

Radial Artery for Secondary Access in TAVI: A Safer Alternative

  •  Radial artery access appears to be a safer option than traditional transfemoral access for secondary access during TAVI in patients with symptomatic severe aortic stenosis, according to an observational study.
  • Transfemoral secondary access (TF-SA) was more commonly used, but the rate of vascular complications was about 10 times higher compared to transradial secondary access (TR-SA).
  • The study suggests the radial approach should become the preferred choice for secondary access to minimize vascular and bleeding complications.
  • According to the investigators, any additional femoral puncture should be avoided to prevent negative outcomes.
  • The study, part of the PULSE registry, involved 10 hospitals and 8,851 patients, though it was not a randomized controlled trial.
  • Secondary access in TAVI is used for pigtail catheter placement and aortography, with radial access gaining favor due to its lower complication rates in PCI.



Study Findings

  • Data from 10,120 TAVI patients (2016–2021) revealed that TF-SA was used in 7,165 cases and TR-SA in 1,686 cases.
  • Vascular complications occurred in 3.2% of TF-SA patients and 0.3% of TR-SA patients.
  • Major complications were 1.5% with TF-SA and 0.2% with TR-SA (P < 0.001).
  • Bleeding was the most frequent issue (1.5% TF-SA vs 0.2% TR-SA), followed by pseudoaneurysm (1.5% TF-SA vs 0.1% TR-SA).
  • Up to one-third of TF-SA complications required surgical repair.

Matched Comparisons

  • In propensity-matched patients, vascular complications were still higher with TF-SA.
  • 30-day mortality was 3.6% in TF-SA and 1.2% in TR-SA (P = 0.021).
  • Despite increased use, TF-SA remained more common than TR-SA by 2021.

Advantages of Radial Access

  • Shorter hospital stays for TR-SA patients.
  • Reduced workload for medical staff, critical in resource-limited settings.
  • No additional primary site complications were observed in TR-SA patients.
  • Ultrasound guidance is essential to ensure safe radial access, particularly in elderly patients.



Limitations of Radial Access

  • Radial tortuosity may pose challenges, especially in older patients.
  • No straightforward crossover option exists for TR-SA in case of primary access issues.


Take-Home Points

  1. TR-SA is associated with significantly lower vascular and bleeding complications compared to TF-SA.
  2. The radial approach offers benefits like earlier discharge and reduced medical workload.
  3. Ultrasound guidance is critical for the safe implementation of TR-SA.
  4. While challenges remain, the radial artery is emerging as a preferred secondary access site in TAVI procedures.

Sunday, December 22, 2024

Renewed Controversy regarding benefits of Ticagrelor

 A BMJ investigation is revisiting the PLATO trial, which launched ticagrelor (Brilinta; AstraZeneca) 15 years ago.



  • The investigation raises questions about the drug's efficacy compared to generic alternatives in modern practice.

  • The PLATO trial, published in 2009, claimed ticagrelor reduced vascular death, MI, or stroke compared to clopidogrel, despite increasing major bleeding unrelated to CABG.

  • These results supported FDA approval in 2011, despite concerns over subgroup analysis indicating worse outcomes for US patients.

  • Criticisms of the PLATO trial’s conduct have persisted, including a Department of Justice investigation from 2013-2014, which ended due to insufficient evidence.

  • The new BMJ article highlights alleged issues with how certain death categories in the trial were adjudicated to favor ticagrelor.

  • It suggests discrepancies in primary trial records and site-level death data, some of which were not included in the original trial results.

  • Defenders of the PLATO trial argue that no significant new information has been added to the debate.

  • Observational and randomized studies since the PLATO trial have failed to replicate its results, particularly in the context of modern treatment advancements.

  • The ISAR-REACT 5 trial found prasugrel outperformed ticagrelor for patients undergoing revascularization.

  • Both prasugrel and ticagrelor pose higher bleeding risks compared to clopidogrel.

  • Cost is a significant barrier; ticagrelor accounted for less than 10% of P2Y12 prescriptions but two-thirds of the cost in 2022, with the US government spending over $750 million.

  • Experts suggest ticagrelor’s benefit may be limited to specific populations, such as those with high thrombotic risk and low bleeding risk.

  • Calls for a guideline reassessment remain divided, with some advocating for a thorough review of PLATO trial data.

  • The lack of confirmatory studies in modern practice further fuels the debate over ticagrelor's relevance today.


Key Takeaways:

  • PLATO trial remains under scrutiny for potential biases favoring ticagrelor.

  • Modern clinical advancements and studies challenge ticagrelor's superiority over generics like clopidogrel.

  • Bleeding risk and cost are significant barriers to widespread use of ticagrelor.

  • The guidelines supporting ticagrelor may warrant reevaluation based on contemporary evidence.

  • Further investigations, including possible involvement of the Department of Justice, are being called for by critics.

Obesity Trends Show First Signs of Decline in Over a Decade: Impact of GLP-1 Medications and Regional Shifts

 

  • Obesity prevalence among US adults shows signs of declining for the first time in over a decade.

  • A study analyzing trends in BMI found that mean BMI increased annually from 2013 to 2021, plateaued in 2022, and decreased slightly in 2023.

  • Researchers attribute these shifts partially to the rising use of GLP-1 receptor agonists (GLP-1RAs) for weight loss.

  • Other factors, such as demographic and behavioral changes from the COVID-19 pandemic, may also play a role.

  • The study analyzed data from 16.7 million US adults aged 26 to 75, using deidentified medical and insurance records.

  • The South saw the largest drop in BMI, with obesity rates declining from 46.2% in 2021 to 45.6% in 2023.

  • The South also had the highest rate of GLP-1RA prescribing per capita at 6%, compared to 5.1% in the Midwest, 4.4% in the Northeast, and 3.4% in the West.

  • Researchers caution that GLP-1RA dispensing doesn’t guarantee uptake, and the South had high COVID-19 mortality among individuals with obesity.

  • Obesity and BMI are imperfect measures of body fat, and future studies should use alternative body composition metrics.

  • The study's findings contrast with NHANES data from 2024, which showed only a nonsignificant decline in obesity prevalence from 2021 to 2023.

  • Despite these trends, there is an increase in severe obesity (BMI > 40) over the past 10 years in the US.

  • The Global Burden of Disease (GBD) study reports that over 170 million US adults are overweight or obese, with rates exceeding 40% in all states and Washington, DC.

  • Experts emphasize that while GLP-1RAs improve weight loss and cardiovascular outcomes, they cannot address institutional, environmental, and societal factors contributing to obesity.


Key Takeaways

  • BMI trends show a possible reversal in the obesity epidemic, with the first decline in over a decade.

  • The South leads in both BMI reduction and GLP-1RA prescribing rates.

  • GLP-1RAs are effective but limited in addressing broader societal contributors to obesity.

  • Future studies should explore alternative measures and continue monitoring severe obesity trends.

  • The impact of GLP-1RAs on epidemiological trends will likely take years to materialize.

Friday, December 20, 2024

Cardiologists Move from X to Bluesky

  • X (formerly Twitter) was once a hub for cardiologists seeking community and knowledge.
  • Over time, many felt the platform became negative, filled with misinformation and hostility.
  • Some cardiologists reported experiencing personal attacks and found the atmosphere toxic.
  • The change from Twitter to X under new ownership marked a turning point for dissatisfaction.

The Rise of Bluesky

  • Bluesky, created by Twitter's former CEO, is seen as an alternative platform.
  • It offers customizable feeds, better moderation tools, and fewer distractions.
  • The platform emphasizes community building without relying on a central algorithm.
  • Over 23 million users have joined, including many from the medical field.

Community and Professional Growth

  • Cardiologists value social media for sharing research and engaging with global peers.
  • Bluesky’s structure allows for focused discussions, especially in medicine and science.
  • Features like starter packs for cardiology have made migration easier.
  • Users appreciate Bluesky’s similarity to early Twitter, with a focus on positive interactions.

Challenges and Skepticism

  • Critics worry Bluesky might face similar issues to X over time.
  • Some users feel platforms like Bluesky risk becoming echo chambers.
  • Despite the optimism, many remain cautious about Bluesky’s long-term viability.

Balancing Platforms

  • While many are transitioning to Bluesky, some cardiologists still maintain a presence on X.
  • Reasons include diversity of audience, patient engagement, and avoiding complete disconnection.
  • Others have embraced multiple platforms, seeking the best fit for professional interaction.

Key Takeaways

  1. Shift to Bluesky: Driven by dissatisfaction with X, many cardiologists are exploring Bluesky as a professional and positive alternative.
  2. Features Matter: Bluesky’s customizable tools and absence of centralized algorithms appeal to users.
  3. Community Over Platform: The essence of these migrations lies in preserving a sense of professional community and collaboration.
  4. Caution is Key: Users remain skeptical of Bluesky’s long-term ability to avoid pitfalls seen on other platforms.
  5. Transitioning Slowly: While optimistic, many cardiologists are navigating between platforms to maintain professional relationships and patient connections.

Public Attitudes Toward Notification of Use of Artificial Intelligence in Health Care

  • Patient notification is a minimum ethical standard and is essential for data privacy laws and informed consent in health care.
  • Transparency through notification is a key principle for the ethical use of AI, but current policies and practices vary across health systems.
  • A survey conducted in 2023 assessed public attitudes toward notification about AI use in health care, using validated methods and oversampling for specific demographic groups.
  • Over 62% of respondents strongly agreed that notification about AI use in their health care is important.
  • Demographic differences were observed, with women and White respondents expressing higher preferences for notification compared to other groups.
  • The study showed that the desire for AI notification was higher than for health information or biospecimen use in previous research.
  • Limitations include the study's cross-sectional design and potential unmeasured errors, necessitating further longitudinal studies.
  • Findings suggest that notification is critical for ethical AI use, raising questions about when and how to notify patients.
  • Demographic insights highlight the need for approaches that address historical inequities and ensure equitable transparency.
  • Collaboration among patients, experts, and the public is necessary to create evidence-based programs that enhance trust in health systems.

Take-Home Points:

  1. Notification is essential for transparency and ethical AI use in health care.
  2. Public preference for notification is high, with variations across demographics.
  3. Health systems and policymakers must prioritize effective notification strategies.
  4. Equity-focused approaches are needed to address historical and systemic challenges.
  5. Collaboration will ensure trust and transparency in AI applications in health care.

Moderate Wine Consumption: A New Perspective on Heart Health?

  • Recent studies suggest no amount of alcohol is healthy, but new data on wine intake may rekindle hope for its cardioprotective benefits.

  • An observational analysis of the PREDIMED study found lower cardiovascular event rates in participants consuming one to two glasses of wine daily.

  • Urinary tartaric acid, a marker of wine intake, confirmed moderate consumption was linked to reduced cardiovascular (CV) risks.

  • A J-shaped relationship showed moderate wine intake had benefits, but no reduction in CV events was observed with higher consumption.

  • Researchers defined moderate wine consumption as one to two drinks per day, aligning with reduced CV risk.

  • Mediterranean diet adherence, including moderate wine consumption, was emphasized as key to the observed benefits.

  • Binge drinking was explicitly differentiated from moderate drinking, with the former being linked to harm.

  • Non-drinkers were advised against starting alcohol consumption for health reasons.

  • Experts cautioned contextual interpretation, emphasizing the study’s limitations and the importance of individual factors.

  • Health organizations suggest maximum alcohol limits, with significant variation in recommendations globally.

  • The World Heart Federation stated in 2022 that no alcohol amount benefits heart health.

  • Observational research relies on self-reported data, but this study used tartaric acid for objective wine consumption measurement.

  • PREDIMED’s findings linked moderate wine intake to a significant reduction in major CV events, but only in men.

  • The study’s generalizability was questioned due to its small size, older Spanish participants, and Mediterranean diet focus.

  • Experts raised concerns about healthy patient bias and differing results from genetic studies showing alcohol’s risks.

  • The editorialists highlighted the value of biomarkers like tartaric acid while cautioning against exceeding moderate drinking levels.




Take-Home Points:

  • Moderate wine consumption, integrated into a Mediterranean diet, may lower cardiovascular risks.

  • Excessive alcohol intake and binge drinking are harmful, with no proven health benefits.

  • Objective measures like tartaric acid enhance research accuracy but can’t capture broader lifestyle contexts.

  • Health recommendations vary, but alcohol remains classified as a Group 1 carcinogen with known risks.

  • Non-drinkers should not start drinking for heart health, and existing drinkers should limit intake.

  • Further research is needed to clarify the relationship between moderate wine consumption and cardiovascular health.

Zepbound: A Breakthrough FDA-Approved Treatment for Obstructive Sleep Apnea and Obesity

The F.D.A. has approved Zepbound as the first and only prescription medication for adults with moderate-to-severe obstructive sleep apnea (OSA) and obesity.

Eli Lilly stated that Zepbound, containing tirzepatide, must be used alongside a reduced-calorie diet and increased physical activity to improve OSA symptoms and support weight management.

Zepbound is available in doses of 10 mg and 15 mg, starting at 2.5 mg and increasing by 2.5 mg every four weeks until reaching the maximum tolerated dose (MTD).

Patients who tolerated 15 mg continued at that dose, while those unable to tolerate it remained on 10 mg, as determined in the trials.

The SURMOUNT-OSA phase 3 clinical trials showed Zepbound significantly reduced apnea-hypopnea index (AHI) scores compared to placebo.

Patients not on PAP therapy experienced an average of 25 fewer breathing interruptions per hour with Zepbound compared to five with placebo, while those on PAP therapy saw 29 fewer interruptions per hour compared to six with placebo.

After one year, 42% of patients on Zepbound alone and 50% combining Zepbound with PAP therapy had remission or mild, non-symptomatic OSA, compared to 16% and 14% with placebo, respectively.

Zepbound also resulted in significant weight loss, with patients losing an average of 45 lbs (18% of body weight) on Zepbound and 50 lbs (20%) with Zepbound and PAP therapy.

Patients on placebo lost only 4 lbs (2%) without PAP therapy and 6 lbs (2%) with PAP therapy.

OSA is a serious condition where upper airway collapses during sleep, leading to breathing interruptions, fatigue, and higher risks for cardiovascular disease and diabetes.

Traditional treatments like CPAP machines and PAP therapy can be difficult to use, making Zepbound a valuable alternative for addressing OSA symptoms and its underlying cause, obesity.

Zepbound’s active ingredient, tirzepatide, is a dual-activating GIP and GLP-1 medication that reduces appetite and food intake.




Potential risks of Zepbound include thyroid tumors, pancreatitis, kidney problems, and gallbladder issues, with symptoms like neck lumps, hoarseness, or breathing problems requiring immediate medical attention.

Patients with a history of medullary thyroid carcinoma (MTC), Multiple Endocrine Neoplasia syndrome type 2 (MEN 2), or severe allergic reactions to tirzepatide should not use Zepbound.

Common side effects include nausea, diarrhea, vomiting, constipation, abdominal pain, tiredness, injection site reactions, belching, and hair loss.

Patients must monitor for low blood sugar when combining Zepbound with insulin or sulfonylureas, and they should report any changes in vision or mood-related symptoms like depression.

Zepbound is not recommended for children or to be used alongside other GLP-1 receptor agonists, and pregnant or breastfeeding women should consult their healthcare providers.

This approval builds on Zepbound’s prior F.D.A. indication for weight loss in adults with obesity or overweight-related conditions, granted in November 2023.

Zepbound offers a groundbreaking approach to managing OSA symptoms and weight loss, addressing both conditions simultaneously.

Patients and healthcare providers are encouraged to have discussions about Zepbound’s suitability based on individual medical histories and health needs.

For further details on Zepbound’s indications, safety profile, and usage, visit zepbound.lilly.com or contact Eli Lilly.

Take-Home Points:

  1. First-of-its-Kind Treatment: Zepbound is the first and only prescription medication approved for moderate-to-severe obstructive sleep apnea (OSA) in adults with obesity.

  2. Dual Benefits: Zepbound addresses both OSA symptoms and significant weight loss, reducing breathing interruptions and helping patients shed 18-20% of body weight.

  3. Proven Effectiveness: Clinical trials demonstrated that Zepbound reduced 25 to 29 breathing interruptions per hour, and up to 50% of patients no longer showed symptoms of OSA after one year.

  4. Accessible Dosing: Available in 10 mg and 15 mg doses, with a starting dose of 2.5 mg, adjusted every four weeks to the maximum tolerated dose.

  5. Alternative to CPAP Machines: Zepbound offers a non-invasive option for patients struggling with the inconvenience of traditional OSA treatments like CPAP machines.

  6. Safety Considerations: Zepbound carries risks such as thyroid tumors, pancreatitis, and kidney issues, and is not recommended for individuals with certain medical histories (e.g., MTC, MEN 2).

  7. Comprehensive Treatment Approach: Zepbound must be used with a reduced-calorie diet and increased physical activity for optimal results.

  8. Patient Suitability: Zepbound is not intended for children or pregnant women and should not be combined with other GLP-1 receptor agonists.

  9. Groundbreaking Impact: This approval marks a significant step forward in managing the interconnected challenges of sleep apnea and obesity, offering hope for millions of patients.

Tuesday, December 17, 2024

Finerenone Enhances Outcomes in Obese HFpEF Patients: Insights from FINEARTS-HF Analysis

 Patients with heart failure with mildly reduced or preserved ejection fraction (HFmrEF/HFpEF) and high BMI experience greater benefits from finerenone, a nonsteroidal mineralocorticoid receptor antagonist (MRA), compared to those with normal or low BMI.

When stratified by BMI categories, finerenone showed a reduction in cardiovascular (CV) deaths and worsening HF events across all weight groups compared to placebo.

An analysis of BMI as a continuous variable revealed that patients with BMI ≥ 35 experienced the most substantial benefits.

This supports earlier findings from trials like RALES and EMPHASIS-HF, which suggested that MRAs benefit patients with obesity more significantly due to increased aldosterone secretion and mineralocorticoid receptor overactivation.

Patients with HFpEF have a higher prevalence of obesity compared to those with HFrEF.

The findings refute the concept of an obesity paradox in HFpEF, aligning with prior evidence in HFrEF from the PARADIGM-HF and DANISH trials.

Experts emphasize that weight loss is crucial for obese patients with HFpEF to improve outcomes.

Finerenone use is recommended across all BMI categories, with more confidence in its benefits for patients with severe obesity.

The underlying mechanism of obesity-related HFpEF remains unclear but may involve volume overload from elevated aldosterone levels.

Given that two-thirds of HFpEF patients in the U.S. have obesity, combining MRAs like finerenone with GLP-1 receptor agonists may optimize weight loss and reduce HF events.

Further research is ongoing to evaluate the additive effects of MRAs and GLP-1 receptor agonists.

The main FINEARTS-HF trial included 6,001 patients with symptomatic HF and LVEF ≥ 40%.

Patients receiving 20-40 mg of finerenone daily showed a significant reduction in HF events but no major difference in CV death compared to placebo.

BMI-based analysis categorized patients into five groups, from underweight/normal weight to obesity class III (BMI ≥ 40).

Higher BMI patients tended to be younger, female, and sicker, with worse quality of life and symptom severity scores.

Despite higher illness severity, obese patients had lower NT-proBNP levels, a marker of HF stress.

Editorialists argue for moving beyond BMI as a measure of obesity, suggesting inclusion of metabolic consequences and measures like waist-to-height ratio.

Efforts are underway to define obesity-related HFpEF more precisely to improve targeted treatment strategies.

Take-Home Points:

  1. Finerenone is effective across all BMI groups but shows greater benefits in severely obese patients.
  2. Obesity in HFpEF exacerbates aldosterone-related HF stress, making MRAs highly effective.
  3. Combining MRAs like finerenone with GLP-1 receptor agonists may further optimize outcomes in obese patients.
  4. Standard BMI metrics are flawed for defining obesity, and alternative measures like waist-to-height ratio are being explored.
  5. Addressing obesity in HFpEF patients is critical to improve cardiometabolic health and reduce HF events.

PREVENT Tool Accurately Predicts Heart Failure Risk and Highlights ASCVD Overlap

The PREVENT tool, developed by the American Heart Association (AHA), accurately predicts 10-year heart failure (HF) risk, according to new findings from the NHANES survey.

The analysis identified 15 million Americans with intermediate or high HF risk, of which 4.3 million had a low ASCVD risk.

This demonstrates a strong overlap between HF and atherosclerotic cardiovascular disease (ASCVD) risk factors, though they are not always identical.

The PREVENT tool includes risk calculators for ASCVD, HF, and CVD, incorporating broader factors like BMI for HF but excluding it for ASCVD.

Mean 10-year HF risk was 3.7%, with the highest risk seen in patients aged 70-79 years.

Race was consistent across risk groups, although Black adults were less represented in the low-risk group (9.7%) compared to the elevated-risk group (14.2%).

More than 50% of patients with elevated HF risk had systolic blood pressure > 130 mmHg (54.3%) or BMI > 30 kg/m² (55.6%).

Obesity and hypertension emerged as primary drivers of increased HF risk, particularly in patients with low ASCVD risk.

Unlike previous tools, PREVENT does not factor in race, and elevated HF risk in Black adults is likely driven by higher blood pressure rates.

The correlation between HF risk and ASCVD risk was significant (R² = 0.83), yet 4.6% of participants had higher HF risk than ASCVD risk.

While preventive strategies for high ASCVD risk include clear interventions like statins, guidance for addressing high HF risk remains unclear.

Experts emphasize that intensive blood pressure control and targeted obesity interventions are essential for HF prevention.

The study reinforces the need for large primary prevention trials to determine effective strategies for patients at high HF risk.

Experts propose re-evaluating the thresholds for HF risk, suggesting that interventions may be needed at lower cutoffs than the current standard of 20% risk.

Future work should focus on practical ways to screen and treat HF risk without burdening patients or providers.

Emerging therapies, like SGLT2 inhibitors and GLP-1 receptor agonists, may play a role in reducing HF onset in high-risk populations.

Take-Home Points:

  1. The PREVENT tool accurately predicts HF risk over 10 years, showing a strong overlap with ASCVD risk factors.
  2. Obesity and hypertension are key drivers of elevated HF risk, even in patients with low ASCVD risk.
  3. Preventive strategies for HF are less clear compared to ASCVD, highlighting the need for new trials and clinical frameworks.
  4. Lowering blood pressure and addressing obesity should be prioritized for HF prevention.
  5. The thresholds for defining high HF risk may need to be adjusted for earlier intervention and treatment.

Friday, December 13, 2024

Expert Consensus Pathway for Myocarditis Management: A Comprehensive Guide by the ACC

 A new expert consensus decision pathway from the American College of Cardiology (ACC) provides comprehensive guidance on the management of myocarditis, covering aspects from diagnosis to follow-up.

Recent advances in myocarditis care and the absence of a dedicated guideline prompted the creation of this document, which was published in the Journal of the American College of Cardiology.

The document introduces a novel four-stage classification system for myocarditis:

  • Stage A: At risk (patients with or exposed to risk factors).
  • Stage B: Asymptomatic with evidence of myocardial inflammation.
  • Stage C: Symptomatic myocarditis.
  • Stage D: Advanced myocarditis with hemodynamic or electrical instability requiring intervention.

The classification is modeled after frameworks used in conditions like chronic heart failure and valvular heart disease, emphasizing that myocarditis is a dynamic condition with distinct trajectories.

This system aims to support research into the progression of myocarditis and therapies tailored to each stage.

The document seeks to increase awareness of myocarditis among clinicians across specialties, not just cardiologists.

A Five-Step Pathway for Management

  1. Recognition of the three classic presentations: chest pain, heart failure/cardiogenic shock, and symptoms related to arrhythmias.
  2. Triage to determine whether hospitalization, advanced heart failure care, or emergent management is needed.
  3. Conducting pivotal diagnostic tests, including cardiac magnetic resonance (CMR) imaging and endomyocardial biopsy.
  4. Administering appropriate treatment based on test results.
  5. Providing longitudinal follow-up, which includes biomarker testing, imaging, genetic counseling/testing, and assessing fitness for physical activity.

The pathway stresses a low threshold for transferring high-risk patients to advanced centers, especially those with severe ventricular dysfunction or hemodynamic instability.

Follow-up includes imaging studies to track resolution, with repeat echocardiograms at 2-4 weeks and either a CMR or another echocardiogram at 6 months.

Genetic counseling and testing are recommended for all consenting individuals, recognizing the role of genetics in myocarditis development.

Addressing Knowledge Gaps

The document identifies knowledge gaps in the understanding of myocarditis trajectories and the impact of social determinants of health.

International registries are deemed essential to gather large-scale data and establish unified diagnostic standards.

Randomized controlled trials are encouraged to build a stronger evidence base for treatment.

This pathway is designed to be a practical guide for clinicians and was endorsed by key organizations, including the Heart Failure Society of America and the Myocarditis Foundation.

Take-Home Points

  • A new ACC expert consensus pathway offers guidance on diagnosing and managing myocarditis.
  • The four-stage classification system provides a framework for understanding disease progression.
  • A five-step pathway emphasizes early recognition, triage, testing, treatment, and follow-up.
  • Long-term follow-up and genetic testing are critical components of care.
  • Collaboration through international registries and clinical trials will advance myocarditis research.

Thursday, December 12, 2024

2025 CMS Physician Fee Schedule: Implications for Cardiology and the Urgent Need for Reform

 The 2025 CMS physician fee schedule (PFS) will reduce reimbursements for cardiologists by nearly 3%, raising alarms about the potential impact on patient care.

While reimbursements for coronary computed tomography angiography (CCTA) will double, other updates in the PFS are unfavorable for cardiologists.

The PFS conversion factor will decrease by 2.83%, and telehealth reimbursements, previously expanded during the pandemic, will be limited to rural and underserved regions only.

Cardiologists argue that their costs, such as labor, supplies, real estate, and patient complexity, align with hospital expenses, but their reimbursements continue to decline.

The current system's instability causes ongoing uncertainty, with temporary fixes often applied, leaving long-term issues unresolved.

For the past 20 years, physician reimbursements have not kept pace with inflation, making it increasingly difficult to sustain office-based practices amid rising expenses.

Legislation such as HR 10136 aims to create new payment models for office-based physicians, while HR 10073 offers temporary relief from the 2.83% PFS cuts.

The movement for site neutrality, which seeks to standardize Medicare payments across care settings, is gaining traction but requires further education and implementation.

Many experts stress that permanent Medicare fee schedule reforms are necessary to maintain patient access to quality care and stabilize medical practices.

Long-term solutions are crucial to address the systemic issues affecting physicians, particularly for managing the number one cause of death in the United States: cardiovascular disease.


Key Take-Home Points

  1. 2025 CMS fee schedule cuts reimbursements by 2.83%, causing significant concerns for cardiology practices.
  2. Telehealth reimbursements will be restricted to rural and underserved regions starting in 2025.
  3. Temporary fixes cannot address the systemic instability in physician reimbursements.
  4. Stagnant reimbursements over 20 years have failed to account for inflation, threatening practice sustainability.
  5. Legislation like HR 10136 and HR 10073 seeks to mitigate short-term impacts but lacks comprehensive solutions.
  6. The movement for site neutrality in Medicare payments is growing but needs clarity and broader adoption.
  7. Permanent reforms in the physician fee schedule are essential to ensure patient access and the viability of medical practices.