Percutaneous transluminal coronary angioplasty. Initial clinical experience

1989 
: Percutaneous transluminal coronary angioplasty was performed in 20 patients with angina pectoris (16 patients with stable AP, class II-III., 4 patients with unstable AP) in the period of 1 year. There was single-vessel disease in all patients. Left ventricular function was normal as well in all patients. PTCA was successful in 16 patients (80%), in the remaining 4 patients coronary artery stenosis was not reached with balloon catheter. There were no death, Q-wave myocardial infarction or emergency bypass surgery. Transient ischemic changes on ECG has been found in 2 patients (10%). All patients with successful PTCA were symptomatically improved in period of 1-12 months, in one half of them this improvement was confirmed with stress ECG. Control coronary angiography was made in 2 patients until now, restenosis was not found.
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