A new small, wireless self-contained pacemaker appears safe and feasible for use in patients, according to a small study in the American Heart Association journal Circulation .
Although traditional pacemakers pose minimal risk, patients are still vulnerable to some short- or long-term complications, said Vivek Y. Reddy, M.D., lead author of the study and director of the Cardiac Arrhythmia Service at Mount Sinai Hospital in New York City.