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Percutaneous Transluminal Coronary Angioplasty: How Useful, For Whom?

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Department of Medicine, University of Texas Health Science Center; San Antonio, Texas

Ann Intern Med. 1979;91(5):778-780. doi:10.7326/0003-4819-91-5-778
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Percutaneous transluminal coronary angioplasty uses a double-lumen catheter with an expansile balloon to dilate stenotic coronary arteries. In 1964, Dotter and Judkins (1) introduced the original concept of transluminal angioplasty and used the method to dilate atherosclerotic obstructions in the peripheral arteries. In the early 1970s, Dr. Andreas Grüntzig modified their technique by using an inflatable balloon in 450 patients with peripheral occlusive arterial disease and achieved initial angiographic dilatation in 84% of the patients, with a 3-year success rate of 74% (2). In 1978, Grüntzig and his colleagues in Zurich reported their results with this procedure in dilating coronary-artery


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