JACC This Week

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JACC - November 26, 2024 Issue Summary Nov 18, 2024

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In the November 26, 2024 issue of JACC, Dr. Valentin Fuster highlights four pivotal studies in cardiovascular research. The first explores the independent roles of social determinants of health and polygenic risk scores in coronary heart disease, while the second assesses the impact of recurrent rejection on pediatric heart transplant outcomes. The third paper examines the effects of CSL 112 infusions on reducing ischemic events post-myocardial infarction, and the fourth investigates the interplay between pulmonary hypertension and heart failure with preserved ejection fraction. Each study advances our understanding of cardiovascular risk, treatment, and outcomes.

Associations of Self-reported Race, Polygenic Risk, and Social Determinants of Health with Coronary Heart Disease Nov 18, 2024

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In this episode, Dr. Valentin Fuster discusses a groundbreaking study examining how both social determinants of health and polygenic risk scores independently contribute to the risk of coronary heart disease (CHD). The research highlights how factors like income, education, and food insecurity are linked to higher CHD risk, particularly among Black and Hispanic populations, while emphasizing the need to integrate both genetic and environmental factors for more accurate disease prevention models.

Prevalence and Impact of Recurrent Rejection on Pediatric Heart Transplant Recipients: A PHTS Multi-Institutional Analysis Nov 18, 2024

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In this episode, a study on pediatric heart transplant recipients highlights the decreasing prevalence of recurrent rejection, yet finds that children who experience multiple rejection episodes face a significantly higher risk of graft loss. Notably, racial disparities were observed, with Black children showing poorer outcomes, suggesting the need for standardized care protocols and a focus on eliminating these inequities in future heart transplant practices.

Clinical implications of Pre-test probability of HFpEF on Outcomes in Precapillary Pulmonary Hypertension Nov 18, 2024

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In this episode, Dr. Valentin Fuster reviews a recent study exploring the clinical overlap between heart failure with preserved ejection fraction (HFpEF) and Group 1 pulmonary hypertension. The study identifies a subset of patients with pulmonary hypertension who have a higher risk of heart failure and worse outcomes, emphasizing the need for further investigation into whether pulmonary hypertension therapies could improve prognosis in these patients.

Consequences of Discontinuation of Long-Term Treatment in Patients With Heart Failure and Reduced Ejection Fraction Nov 18, 2024

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In this episode, Dr. Valentin Fuster reviews a study on the impact of long-term drug treatment discontinuation in heart failure patients with reduced ejection fraction. He breaks down four pathways of drug withdrawal—ranging from immediate clinical worsening to long-term deterioration—emphasizing the importance of avoiding unnecessary interruptions in treatment to prevent significant health risks.

JACC Journals at AHA | JACC | AHA 2024 Nov 13, 2024

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Join Harlan Krumholz, editor-in-chief of JACC, as he highlights groundbreaking cardiovascular science presented at this year's American Heart Association Scientific Sessions. From obesity-related heart failure to innovations in stroke prevention and disparities in care, this episode delves into pivotal studies shaping the future of cardiology and their real-world clinical implications.

JACC - November 19, 2024 Issue Summary Nov 11, 2024

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In the November 19, 2024, issue of JACC, Dr. Valentin Fuster discusses four groundbreaking studies that could shape the future of cardiovascular care. Topics include the impact of atrial fibrillation screening on stroke prevention, risk factors in Brugada syndrome, new methods to reduce heart block after congenital heart disease surgery, and genetic insights into arrhythmogenic triggers of atrial fibrillation, alongside a review of a decade of leadless cardiac pacing technology.

Screening for Undiagnosed Atrial Fibrillation and Stroke Prevention Nov 11, 2024

Show notes

In this episode, Dr. Valentin Fuster discusses the Garter AF trial, which evaluates the impact of screening for undiagnosed atrial fibrillation (AF) in older adults using a 14-day ECG monitor to reduce stroke risk. While the study found a marginal increase in AF diagnoses, it suggests that AI could play a crucial role in identifying high-risk patients who would benefit most from such screenings, highlighting the need for a more targeted approach in future trials.

Non-Modifiable Risk Factors Predict Outcomes in Brugada Syndrome Nov 11, 2024

Show notes

In this episode, Dr. Valentin Fuster discusses a groundbreaking study on Brugada Syndrome, exploring how non-modifiable risk factors—such as male sex, SCN 5A mutations, and polygenic risk scores—can predict life-threatening arrhythmic events in patients. The research, published in JACC (November 2024), offers new insights into personalized risk assessment for this inherited arrhythmia syndrome, though its clinical implications remain limited for now.

Intraoperative Conduction Mapping to Reduce Postoperative Atrioventricular Block in Complex Congenital Heart Disease Nov 11, 2024

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In this podcast, Dr. Valentin Fuster reviews a groundbreaking study on intraoperative conduction mapping to prevent postoperative atrioventricular block (AVB) in children with complex congenital heart disease. The study highlights how mapping the His bundle during surgery significantly reduces the need for pacemakers, particularly in high-risk populations like those with Heterotaxy syndrome and non-Transposed Great Arteries, offering a promising tool to improve long-term outcomes for these patients.

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