April 23, 2026 — Researchers presented data on the secondary endpoints from STEMI-DTU (ST-segment Elevation Myocardial Infarction Door-To-Unload) at the Society for Cardiovascular Angiography & Interventions (SCAI) 2026 Scientific Sessions & Canadian Association of Interventional Cardiology/Association Canadienne de cardiologie d’intervention (CAIC-ACCI) Summit in Montreal.

IVUS, cardiac imaging

Editor's Note: This is Part One of a three-part series highlighting several of the presentations from the American College of Cardiology’s Annual Scientific Session (ACC.26) that took place in March in New Orleans, Louisiana.

 

April 21, 2026 — Nuwellis, Inc. has announced a software update to its Aquadex SmartFlow ultrafiltration platform. The update is designed to improve usability, streamline clinical workflow, and enhance overall user experience.

A key feature of the release is a more precise ultrafiltration adjustment capability, reducing the step size to 5 mL/hr from 10 mL/hr. This advancement is particularly important in pediatric care, where small-volume fluid shifts can have a significant clinical impact.

April 22, 2026 — Stereotaxis recently announced the first patients in the United States have been successfully treated using MAGiC, the company's proprietary robotically-navigated magnetic interventional cardiac ablation catheter.

April 23, 2026 — A new study examining the accuracy of wearable technologies for capturing irregular heartbeats in children found that the Apple Watch can capture arrhythmia events potentially more effectively than traditional ambulatory patch rhythm monitors. Researchers presented these findings as an oral abstract today at Heart Rhythm 2026 in Chicago.

April 23, 2026 — A new study analyzing data from more than 13,000 patients found that people using the increasingly popular weight-loss drugs known as GLP-1 receptor agonists (GLP-1-RAs) have a reduced risk of atrial fibrillation (AF), even after accounting for the medications’ effects on weight loss and overall survival. Researchers presented these findings presented at Heart Rhythm 2026 in Chicago.

April 20, 2026 — Conavi Medical Corp. recently announced that it has received U.S. Food and Drug Administration (FDA) 510(k) clearance for its next-generation hybrid imaging system, designed to deliver a more complete assessment of coronary anatomy within a single workflow. The positions the company to initiate its U.S. commercial launch expected in calendar H2 2026 and to expand its hybrid intravascular imaging technology.

April 21, 2026 — At HRS 2026, Johnson & Johnson will launch the Cartosound Sonata Module, leveraging artificial intelligence with the Carto System to automatically transform intracardiac echocardiography (ICE) images into detailed maps, allowing physicians to build accurate models of multiple heart chambersi,ii,iii,1. The module also enables identification and automatic labeling of cardiac structuresii,iii.

April 21, 2026 — A new multicenter study published in The Annals of Thoracic Surgery finds that reoperative surgical mitral valve replacement (rSMVR) is associated with significantly better long-term survival compared to transcatheter mitral valve-in-valve (mViV) procedures in patients with failing bioprosthetic mitral valves. While both approaches demonstrated similar safety and procedural success at 30 days, key differences emerged over time, particularly beyond the first year.

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