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[Angina pectoris after coronary angioplasty. Restenosis or partial revascularization]
1Klinisk-fysiologisk avdeling, Haukeland sykehus, Bergen.
Insights
Percutaneous transluminal coronary angioplasty (PTCA) effectively treats angina pectoris. Absence of angina and negative exercise tests after PTCA predict successful outcomes and no restenosis.
Area of Science:
- Cardiology
- Interventional Cardiology
Context:
- Angina pectoris affects numerous patients, necessitating effective treatment strategies.
- Percutaneous transluminal coronary angioplasty (PTCA) is a common intervention for managing coronary artery disease.
Purpose:
- To evaluate the efficacy and outcomes of PTCA in patients with angina pectoris.
- To identify predictors of restenosis and long-term success after PTCA.
Summary:
- 115 patients with angina pectoris underwent PTCA, with follow-up including exercise tests and coronary angiography.
- Complete revascularization was achieved in 75% of patients, with a 23% restenosis rate.
- Good symptomatic improvement was observed in 90% of patients with complete revascularization versus 72% with partial revascularization.
Impact:
- Recurrence of angina 4-8 weeks post-PTCA predicts restenosis.
- Absence of angina and a negative exercise test at 3-4 months are strong indicators of no restenosis, suggesting favorable long-term prognosis.
Abstract:
Percutaneous transluminal coronary angioplasty (PTCA) was performed on 115 consecutive patients with angina pectoris and the results were evaluated after an average of 100 days by means of bicycle exercise test and coronary angiography. Complete revascularization was achieved in 75% of the patients. Restenosis occurred in 23%. A good symptomatic effect was found in 90% of the patients with complete revascularization and in 72% of the patients with partial revascularization. Recurrence of angina pectoris 4-8 weeks after PTCA is a predictor of restenosis. Absence of angina and a negative bicycle exercise test 3-4 months after PTCA are strong predictors of the absence of restenosis.