Researchers are reporting encouraging results for a new generation of pacemakers — miniature, wireless ones that can be implanted through a leg vein without surgery.
In a study of 725 patients, one of these devices, made by Medtronic Inc., was successfully implanted 99% of the time, with a low rate of complications compared with traditional pacemakers.
Leaders of the company-sponsored study discussed the research Monday at an American Heart Assn. conference in Orlando, Fla. Results also were published online by the New England Journal of Medicine.
Two months ago, the journal published a study of a similar device made by St. Jude Medical. Both of these...