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Unstable angina pectoris. Experience with an acute revascularization program
F Riddervold1, O A Smiseth, K Forfang
1Medical Department B, National Hospital of Norway (Rikshospitalet), University of Oslo.
Insights
This study evaluated an acute revascularization program for unstable angina pectoris. The program demonstrated positive outcomes, with a high survival rate and significant symptom relief in patients undergoing revascularization procedures.
Area of Science:
- Cardiology
- Vascular Surgery
Background:
- Unstable angina pectoris (UAP) requires prompt intervention to prevent adverse cardiac events.
- Acute revascularization strategies aim to restore blood flow in patients with critical coronary artery stenosis.
Purpose of the Study:
- To present the outcomes of a one-year acute revascularization program for UAP.
- To evaluate the efficacy and safety of coronary artery bypass grafting (CABG) and percutaneous transluminal angioplasty (PTCA) in this patient cohort.
Main Methods:
- Retrospective analysis of 63 patients with UAP admitted over one year.
- Coronary angiography to assess coronary artery stenosis.
- Surgical (CABG) or interventional (PTCA) revascularization for eligible patients.
Main Results:
- 61 out of 63 patients had significant coronary artery stenosis.
- Revascularization was performed in 48 patients (39 CABG, 9 PTCA).
- Perioperative complications included 2 myocardial infarctions and 1 hospital death. 13 patients were ineligible for revascularization.
- At 14-26 months follow-up, 95% of patients were alive. Among revascularized patients, 65% were angina-free, and 13% had minor symptoms.
Conclusions:
- Acute revascularization for UAP is associated with favorable long-term survival.
- A significant majority of patients undergoing revascularization experienced substantial relief from angina symptoms.
- The program demonstrates the effectiveness of timely intervention for unstable angina pectoris.
Abstract:
One year's experience of an acute revascularization program for unstable angina pectoris is presented. In the total material of 63 patients, significant coronary artery stenosis was found in 61 and normal coronary arteries in two. Coronary artery bypass grafting was performed in 39 patients (62%) and percutaneous transluminal angioplasty in nine (14%). There were two perioperative myocardial infarctions and one hospital death. Thirteen patients were not eligible for revascularization. At follow-up (14-26 months) 60 patients were still alive (95%). In the revascularization group, one patient had died, but of the remaining 46 patients, 30 (65%) were free of angina pectoris, and in addition six had only minor symptoms.