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  • Title: [Mid-term follow-up after transluminal coronary angioplasty. Clinical results, mortality, morbidity apropos of 500 consecutive procedures].
    Author: Defaye P, Bertrand B, Machecourt J, Vanzetto G, Denis B.
    Journal: Ann Cardiol Angeiol (Paris); 1993 Jan; 42(1):13-21. PubMed ID: 8480979.
    Abstract:
    The aim of this study was evaluation of mid-term results, with a mean follow-up of 23 months (range: 6 months to 6 years), in 449 patients undergoing 500 consecutive angioplasty procedures before 1989. All of these 449 patients underwent primary angioplasty, and not dilatation after restenosis. Data processing of information, based upon a questionnaire filled out by the patient's own cardiologist, enabled 100 per cent follow-up. In these patients with a mean age of 56 (range: 32-83), angioplasty was single in 93 per cent of cases. The indication was unstable angina (45%), following a myocardial infarction (44%) or, more rarely, stable angina (10%). The anterior interventricular was dilated more often than the right coronary and circumflex (56%, 31% and 22% respectively). The cardiac survival rate of 41 months was 94.3 per cent, 78 per cent of patients not having experienced any serious coronary events at the time of last available information. 65 (sixty five) per cent of patients were asymptomatic and the Thallium stress test was normal in 67 per cent of them. Angina recurred in 17 per cent of patients, twice as often in women (p < 0.02). 14 (fourteen) per cent had undergone a bypass procedure and 14 per cent had been redilated. Comparisons by the Kaplan-Meier method showed less good results after the age of 57: higher mortality (p < 0.01), more frequent recurrences of angina (p < 0.05), more frequent aorto-coronary bypasses (p < 0.001). Aorto-coronary bypasses were commoner after dilatation of the anterior interventricular (p < 0.005), after multiple dilatations (p < 0.03) or after unstable angina (p < 0.05).
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