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Clinical Experience of Laser Angioplasty for the Cardiovascular Disease

机译：激光血管成形术治疗心血管疾病的临床经验

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In recent years, lasers are being utilized in cardiovascular surgery. Since the 1980's we have investigated angioplasty using an Argon laser for patients with obstructive arterial diseases. This technique aims to open the obstructive arterial lumen. Based on the excellent results of experimental studies, the technique has been clinically applied. Laser angioplasty was carried out in 84 patients with stenotic or obstructive lesions occluding more than 75% of peripheral and coronary arteries angiographically. They consisted of 74 cases with intermittent claudication and 10 cases with angina pectoris. Laser angioplasty for the peripheral arterial disease was performed under local anesthesia in the inguinal region under angioscopic guidance. On the other hand, laser coronary angioplasty was simultaneously undertaken at the time of coronary artery bypass grafting for a patient with multiple coronary stenoses. The initial success rate by laser angioplasty for the peripheral artery was 91% in the stenotic lesions and 71% in the obstructive lesions. The cumulative patency rate was 94% in the stenotic lesions and 83% in the occlusive lesions. A follow-up study of 66 months was carried out for patients with clinical success, excluding the cases where an angiogram showed occlusion within 1 week after laser angioplasty. Consequently, excellent long-term results could be clinically obtained. Based on the satisfactory results in the peripheral artery, coronary laser angioplasty was employed in 10 patients with angina pectoris. There were no complications by laser. Thus, the feasibility of laser application was apparently confirmed and laser angioplasty might be recommended for patients with atherosclerotic changes, especially for small arteries.
机译：近年来，激光被用于心血管外科。自1980年代以来，我们一直在研究使用Argon激光治疗阻塞性动脉疾病的患者的血管成形术。该技术旨在打开阻塞性动脉腔。基于实验研究的出色结果，该技术已在临床上得到应用。对84例狭窄或阻塞性病变的患者进行了激光血管成形术，其血管造影术覆盖了超过75％的周围和冠状动脉。他们包括74例间歇性lau行和10例心绞痛。周围动脉疾病的激光血管成形术是在腹腔镜下在腹股沟区域进行局部麻醉下进行的。另一方面，对于具有多个冠状动脉狭窄的患者，在冠状动脉搭桥术时同时进行了激光冠状动脉血管成形术。在狭窄病变中，通过激光血管成形术对周围动脉的初始成功率为91％，在阻塞性病变中为71％。狭窄病变的累积通畅率为94％，阻塞病变的累积通畅率为83％。对临床成功的患者进行了为期66个月的随访研究，但不包括在激光血管成形术后1周内血管造影显示阻塞的病例。因此，可以在临床上获得优异的长期效果。基于在外周动脉的满意结果，对10例心绞痛患者进行了冠状动脉激光血管成形术。激光没有并发症。因此，显然已经证实了激光应用的可行性，对于有动脉粥样硬化改变的患者，特别是对于小动脉，可能建议使用激光血管成形术。

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