Successful treatment of an excimer laser-associated coronary artery perforation with the Stack perfusion catheter. A 64-year-old woman underwent excimer laser angioplasty of the right coronary artery. The procedure was complicated by perforation, which was successfully managed without complication with a Stack perfusion catheter. This report describes successful nonsurgical treatment of laser-induced coronary perforation and makes recommendations for avoiding this complication in other patients. 