Pacemakers in Pediatric Patients.

Pacemaker insertion in children presents unique challenges because of their small size and developing anatomy. Since pacemaker insertion is relatively uncommon in pediatric patients, and as a result, specialized technologies for this population remain limited and under-researched. The most common indication for pacemaker insertion in children is congenital or acquired heart block. Congenital heart block is often associated with maternal autoimmune disease, in which autoantibodies damage the developing cardiac conduction system. It may also occur in association with congenital heart disease. Acquired heart block can result from several causes, including postoperative conductive abnormalities and complications of myocarditis. Several types of pacemakers have been studied in pediatric patients, including leadless, transvenous, and epicardial pacemakers. Smaller devices designed specifically for neonates are also being investigated. In addition, temporary pacemakers may be used in acute settings or as a bridge to permanent therapy because they can be implanted more rapidly.