Cardiologists at the Catharina hospital in Eindhoven have succeeded in the localized cooling of the heart during a heart attack, a world first. By cooling part of the heart prior to and following angioplasty, the cardiologists believe that the damage from a heart attack can be limited.

In the anguishing wait for a new kidney, tens of thousands of patients on waiting lists may never find a match because their immune systems will reject almost any transplanted organ. Now, in a large national study that experts are calling revolutionary, researchers have found a way to get them the desperately needed procedure. In the new study, published Wednesday in The New England Journal of Medicine, doctors successfully...