The issue, identified during a routine inspection, appears to be related to a change in the manufacturing process. It has now been corrected, Medtronic said in a statement. 

The study's authors examined data from the DANAMI-3 trial, focusing on such outcomes as all-cause mortality, recurrent MI and target vessel revascularization.

The virtual reality training sessions were designed to feature "the same sights, sound and sensations a surgeon would encounter during real procedures." 

The research was presented in South Korea at a two-day event hosted by the American College of Cardiology and Korean Society of Cardiology.

The new analysis, published in JAMA Network Open, focused on more than 220,000 dialysis patients treated from 1998 to 2015. 

Explore our on-the-ground coverage of the first day of ACC.22.

Read our in-person coverage of the final day of ACC.22.

Drug-coated balloons were associated with a lower risk of bleeding after PCI than drug-eluting stents, the study's authors reported. 

The increased risk of deep vein thrombosis lasts for up to three months, researchers found.