Permanent Interatrial Septal Pacing: Feasibility and Advantages

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Abstract
One hundred eighty-nine implanted atrial pacing leads have been analyzed. A double screw-in active fixation lead was attached to the interatrial septum in eight patients and a J lead in one patient. The right atrial appendage was the site used in the 97 other patients with a double screw-in lead; a J-shaped lead was used in three and an anchored (active fixation) lead in the remaining 80 patients. Though pacing from the interatrial septum has different characteristics of lead stability, it offers a number of advantages over right atrial appendage stimulation.