Stents and bypasses: Top doctor explains heart attack protection.. As of: March 8, 2024, 5:24 a.m By: Andreas Beez CommentsPressSplit Heart surgeon Professor Markus Krane: Bypasses are particularly effective and safe in severe cases.

“That's why you should never underestimate high blood pressure,” says Dr. Krane from the German Heart Center in Munich. The risk of serious complications with both procedures is very low at three percent.