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Parallax by Ankur KalraParallax (/parlaks/)-noun: the effect whereby Author: Radcliffe Cardiology
Parallax (/parlaks/)-noun: the effect whereby the position or direction of an object appears to differ when viewed from different positions. Join Ankur Kalra, MD as he shows you a different side to cardiovascular care, management and science. Listen to Ankurs conversations with legendary cardiologists, critical reviews of key congresses and late-breaking trials, and concise summaries. Published every second Monday of the month, this is your fix of reliable updates on all things cardiology by someone from a non-traditional background, who is always trying to look at it from new angles! Dear cardiologists, we want to make this podcast about you, and for you! Please email us critical thoughts, comments and questions for Ankur at podcast@radcliffe-group.com. Language: en Genres: Science Contact email: Get it Feed URL: Get it iTunes ID: Get it |
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EP 157: From HFpEF to AF: Dissecting the ACC 2026 Trials That Matter
Monday, 20 April, 2026
In this episode of Parallax, Dr Ankur Kalra is joined by Dr Michelle Kittleson, Professor of Medicine and Advanced Heart Failure Cardiologist at Cedars-Sinai Medical Center, for a clinically rich breakdown of her standout trial picks from the 2026 ACC Annual Scientific Sessions. Dr Kittleson brings her characteristic precision to four landmark studies spanning heart failure and atrial fibrillation. She unpacks the SPIRIT HF trial — a negative study of spironolactone in HFpEF that, she argues, does not consign the drug to the shelf — and explains why its high discontinuation rate and pandemic-era disruptions complicate the headline result. For clinicians managing cost-conscious patients, her take on spironolactone as a practical alternative to finerenone is a perspective worth hearing. The conversation turns to the CADENCE trial, a Phase 2 study of sotatercept in Group 2 pulmonary hypertension secondary to HFpEF — a phenotype Dr Kittleson treats with particular caution given the risks of misdirected pulmonary vasodilator therapy. She offers measured optimism about what these early results might mean for future treatment of HFpEF-related lung remodelling. Dr Kalra and Dr Kittleson also enter the ongoing debate around left atrial appendage closure, weighing the contrasting conclusions of the CLOSURE AF and CHAMPION AF trials against each other — and against a shared conviction that anticoagulation remains the standard of care for the vast majority of patients with atrial fibrillation. Finally, they examine the STEMI Door to Unload trial, a cautionary study in indication creep: the microaxial flow pump that proves life-saving in cardiogenic shock offered no infarct-size benefit in haemodynamically stable STEMI patients — and came with a meaningful increase in bleeding and vascular complications. Dr Kittleson also shares her stepwise outpatient algorithm for a new HFpEF diagnosis, from ruling out mimics such as cardiac amyloidosis to sequencing SGLT2 inhibitors, MRAs, GLP-1 agonists, and ARNIs based on individual patient profile. The episode closes with a discussion of her new column for NEJM Voices, where she writes on the art of medicine. Questions and comments can be sent to podcast@radcliffe-group.com and may be answered by Ankur in the next episode. Host: @AnkurKalraMD and produced by: @RadcliffeCardio Parallax is Ranked in the Top 100 Health Science Podcasts (#48) by Million Podcasts.
