With strong one-year results from the PULSAR trial, Kardium Inc. could soon be jockeying for third place in the race for pulsed field ablation market share. Boston Scientific Corp. clearly won the roses, with Medtronic plc solidly positioned to place, but the show spot – previously called as a battle between Johnson & Johnson and Abbott Laboratories – could go to this Canadian dark horse.

In a significant boost to the Edwards Lifesciences Corp. Sapien 3 platform’s market opportunity, the U.S. FDA approved use of the transcatheter aortic valve replacement in patients with asymptomatic aortic stenosis.

Presentations at Heart Rhythm 2025 for Field Medical Inc. and Adagio Medical Holdings Inc. demonstrated success in two very different types of ablation for ventricular tachycardia, potentially offering new options for a harder-to-treat type of arrhythmia.

Pulsed field ablation dominated discussions and scientific sessions at Heart Rhythm 2025 in San Diego with researchers and manufacturers touting new applications in persistent atrial fibrillation, atrial flutter and addressing specific challenges for existing systems.

Vivasure Medical Ltd. received CE mark approval for its Perqseal Elite vascular closure system which manages bleeding complications associated with large-bore arterial vessel closure. The sutureless, fully bioresorbable device has the potential to reduce problems associated with traditional closure methods in patients undergoing complex structural heart procedures.

The Heart Rhythm Society and American College of Cardiology published guidance for same-day discharge of cardiac ablation patients during Heart Rhythm 2025, the society’s annual meeting, which was held in San Diego April 26-27.

Using step counts and heart rate readings from Google’s Fitbit devices, a machine learning model accurately predicted the risk of hospitalization, a study presented at Heart Rhythm 2025 found. The study used data from participants in the National Institutes of Health’s All of Us research program.

Growth in the first quarter for Boston Scientific Corp.’s blockbuster products, Farapulse and Watchman, pushed the company well over analysts’ expectations and gave management confidence to raise its guidance for the year to 15% to 17% up from 12.4% to 14.5%, despite a projected $200 million in tariff impacts.

AMT Medical BV raised $25 million in a series B financing round for its Excimer Laser Assisted Non-Occlusive Anastomosis heart bypass system. The funds will go towards clinical trials and regulatory approval for its sutureless coronary bypass technology designed to replace traditional open-heart bypass surgery.

Field Medical Inc. reaped $40 million in its series A fundraising via $20 million in new capital and conversion of $20 million in seed-round debt to support development of its next-generation pulsed field ablation technology. Field Medical’s Fieldforce ablation system targets ventricular tachycardia as its initial use, but also has a study in process for atrial fibrillation.