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  • Title: Coronary angioplasty early after diagnosis of unstable angina.
    Author: de Feyter PJ, Serruys PW, Suryapranata H, Beatt K, van den Brand M.
    Journal: Am Heart J; 1987 Jul; 114(1 Pt 1):48-54. PubMed ID: 2955687.
    Abstract:
    Coronary angioplasty (PTCA) was performed early after diagnosis of unstable angina in 71 patients who responded favorably with initial pharmacologic treatment and who also had persistent exertional angina. The patients selected for PTCA had predominantly single-vessel disease and a normal or slightly abnormal left ventricular function. PTCA was successful in 87% (62/71) of the patients and unsuccessful in 13% (9/71). There were no deaths related to PTCA. The incidence of myocardial infarction during the procedure was 10% (seven of the 71 patients). Urgent bypass surgery was necessary in 11% (eight of 71 patients) of the patients. All patients were followed up for 12 months. There was one late death and one late nonfatal myocardial infarction. During 12 months of follow-up there was recurrence of angina pectoris in 25% of the patients (14/62). The restenosis rate was 25% (13/52) in the patients with an initial successful PTCA who underwent repeat angiography. Improved cardiac functional status after sustained successful PTCA was demonstrated by the normal exercise capacity on bicycle exercise testing and the absence of ischemia on thallium 201 scintigraphy studies in 70% of the patients. At the 1-year follow-up visit after attempted coronary angioplasty in all 71 patients, the total incidence of deaths was 1.5% (one patient), myocardial infarction 11% (eight patients), and the need for revascularization 25% (emergency surgery eight patients, late surgery three patients, and repeat PTCA seven patients); 91% (64 of 70 patients) were symptom free. It is concluded that PTCA in selected patients with unstable angina initially stabilized with medical treatment is an effective treatment with an acceptable complication rate and an excellent 1-year prognosis.
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