冠動脈疾患における術中のレーザー応用

抄録

In the recent years endovascular intervention has been widely employed in the field of cardiovascular diseases. We have also applied Argon laser for the peripheral-and the coronary artery diseases.
First of all, relationships between laser energy and the arterial wall, metal tip size and diameter of the artery were experimentally evaluated. Based on our excellent experimental studies, Argon laser was employed for 195 patients with intermittent claudication, or chest pain.
Optimal conditions of laser angioplasty were 6W in output and 3S in irradiation time for the peripheral artery. However, for the coronary arteries which were thin and small 4-5W in output and 1-2S were optimal conditions. In this paper, indications, methods, and results of intraoperative laser coronary angioplasty were reported in detail.