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European Journal of Cardio-Thoracic Surgery, Vol 12, 746-752, Copyright © 1997 by European Association for Cardio-thoracic Surgery

ARTICLES

CABG in chronic stable angina pectoris patients: indications and outcomes (SECOR/SBU). Swedish Societies for Cardiology, Thoracic Radiology and Thoracic surgery/Swedish Council for Technology Assessment in Health Care

B Brorsson, B Lindvall, SJ Bernstein and T Aberg
Swedish Council on Technology Assessment in Health Care (Statens beredning for medicinsk utvardering), Stockholm. brorsson@sbu.se

OBJECTIVE: In order to ascertain the reasons why coronary revascularisation is performed, the appropriateness of these procedures and their outcomes, a national collaborative study encompassing 7 of 8 hospitals performing CABG in Sweden was undertaken. This article presents the indications and outcomes in the largest intervention group, chronic stable angina pectoris treated by first time CABG. METHODS: A prospective multi-centre study was carried out during a 3.5 month period in each centre. Patients (1039) with chronic stable angina pectoris undergoing first time CABG were enrolled. Patients' quality of life was recorded at the time they underwent angiography and again 6 months post-operatively. Mortality and serious peri-and post-operative complications were recorded. The study was designed and carried out by an independent government agency, the Swedish Council for Technology Assessment in Health Care (SBU) with a project group of representatives for the Swedish Societies for Cardiology, Thoracic Radiology and Thoracic Surgery. RESULTS: Median age was 66 years. A total of 80% were males. The mortality rates at 30 days and 6 months were 1.0 and 1.9%, respectively. A balloon pump was used for 0.9% of patients and 1.4% of them were on a respirator for more than 24 h. At recruitment, 43.9% of the patients reported having severe angina (CCS II/IV), 70.1% had angina > or = 3 times per week, and 53.1% used sublingual nitrates > or = 3 times per week. The corresponding results at 6 months were 6.7, 10.5 and 3.3%, respectively. Patient satisfaction with operative treatment was high. In comparison with the pre-operative status, quality of life was markedly improved after surgery. CONCLUSION: This study shows that CABG in chronic stable angina pectoris yields good outcomes with a low mortality and morbidity and a high degree of patient satisfaction and quality of life.

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