Dublin-based Medtronic plc reported the retirement of CEO Omar Ishrak effective April 26, 2020. In a move that may lead to further changes at the company, the board named Geoff Martha, currently executive vice president of Medtronic's restorative therapies group, Ishrak's successor. Martha edged out the previous frontrunner for the job, Mike Coyle, who heads Medtronic's cardiac and vascular group, the company's largest division.

A head-to-head-to-head trial comparing three top-selling drug-eluting stents (DES) over three years found no statistically significant differences between them in terms of revascularization rates or stent thrombosis, according to a study published in the Journal of the American Medical Association.

Biomedical researchers at Vanderbilt University have created "cellular soldiers" that use the body's innate defenses to eliminate cancer cells dispersed during surgery. When used perioperatively, the attack cells kill stray cancer cells and keep them from forming metastases.

Researchers at Carnegie Mellon University (CMU) in Pittsburgh have solved a critical problem in 3D bioprinting of tissue scaffolding. The technique is an advanced version of Freeform Reversible Embedding of Suspended Hydrogels (FRESH) that enables 3D printing with collagen to create biological components of unprecedented complexity and detail. A paper detailing use of the technique to create components of the human heart appeared in Science.

Gns Healthcare landed $23 million in a series D fundraising round led by Cigna Ventures. Cigna's wholly owned corporate venture fund joined Amgen Ventures, Celgene Corp., Echo Health Ventures, Alexandria Venture Investments and Gary Loveman, former Caesar's CEO and Aetna division president, in the latest round.