Abstract
Transluminal coronary angioplasty (PTCA) has grown rapidly in the last decade with increasing operator experience and advances in balloon technology. It is estimated that more than 500,000 procedures will be performed in the United States this year. Recent data document a very high procedural success rate of PTCA; upwards of 95%.1,2 However, there remains three major limitation to the balloon technique: 1) acute closure causing ischemic complications in about 5%32) lesions unsuitable for intervention in about 45%4 and 3) restenosis rate of about 50%.5 There has been a great deal of enthusiasm in developing alternative mechanical means to alter luminal geometry in order to decrease restenosis and intense research efforts are being focused on pharmacological means of preventing smooth muscle hyperplasia; the histologic etiology of restenosis.6 Secondary goals driving the development of new devices have been to reduce the incidence of acute complications and extend the applicability of percutaneous interventional technique to lesions that previously were considered unsuitable.
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Sharma, S.K., Kini, A.S. (1999). Coronary Atherectomy. In: Contemporary Concepts in Cardiology. Developments in Cardiovascular Medicine, vol 217. Springer, Boston, MA. https://doi.org/10.1007/978-1-4615-5007-5_28
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DOI: https://doi.org/10.1007/978-1-4615-5007-5_28
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