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Percutaneous transluminal coronary angioplasty: Report from the registry of the National Heart, Lung, and Blood Institute
Authors:Kenneth M. Kent MD   FACC   Lamberto G. Bentivoglio MD   FACC   Peter C. Block MD   FACC   Michael J. Cowley MD   FACC   Gerald Dorros MD   FACC   Arthur J. Gosselin MD   FACC   Andreas Gruntzig MD   Richard K. Myler MD   FACC   John Simpson PhD   MD   Simon H. Stertzer MD   FACC   David O. Williams MD   FACC   Lloyd Fisher PhD   FACC   Mary J. Gillespie MS   Katherine Detre MD   PhD   Sheryl Kelsey PhD   Suzanne M. Mullin RN   MPH  Michael B. Mock MD   FACC  
Affiliation:

a , Washington, DC, USA

b From the National Heart, Lung, and Blood Institutes, National Institutes of Health, Bethesda, Maryland, USA

Abstract:
Data have been collected from 34 centers in the United States and Europe performing percutaneous transluminal coronary angioplasty since September 1977. The procedure was carried out in 631 patients, with an average age of 51 years (range 23 to 76), of whom 80 percent had single vessel coronary disease, 17 percent had double or triple vessel disease and 3 percent had stenosis of the left main coronary artery. Coronary angioplasty was successful (greater than 20 percent decrease of coronary stenosis) in 59 percent of the stenosed arteries. The mean degree of stenosis was reduced from 83 to 31 percent. Emergency coronary bypass operation was required in 40 patients (6 percent). Myocardial infarction occurred in 29 patients (4 percent). In-hospital death occurred in six patients (1 percent), three with single vessel and three with multivessel disease. Ninety-one patients have been followed up for at least 1 year after coronary angioplasty. Of the 65 patients with an initially successful angioplasty, 83 percent were in improved condition compared with their status before angioplasty. Thus, the initial satisfactory results obtained in a few centers have now been confirmed in many centers using transluminal coronary angioplasty.
Keywords:Address for reprints: Kenneth M. Kent   MD   512 Kober Cogan Building   Georgetown University School of Medicine   3800 Reservoir Road   Northwest   Washington   DC 20007.
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