Acute Left Hemothorax as a Late Complication of an Active-Fixation Pacemaker Lead.

Perforation and migration of pacemaker electrodes into the pleural cavity is a rare event. We report the clinical course and surgical treatment of massive acute hemothorax resulting from intercostal artery laceration, caused by a retained active-fixation pacing lead implanted 10 months earlier. [ABSTRACT FROM AUTHOR]