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Br J Surg. 1995 Jul;82(7):906-10.

Prospective audit of abdominal aortic aneurysm surgery in the northern region from 1988 to 1992. Northern Vascular Surgeons Group.

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  • 1Department of Vascular Surgery, Freeman Hospital, High Heaton, Newcastle upon Tyne, UK.

Abstract

Over a 5-year period a prospective audit was carried out on 1131 patients undergoing surgery for abdominal aortic aneurysm (AAA) in the northern region. A total of 470 operations was performed in teaching hospitals and 661 in district hospitals; emergency operations accounted for 41.5 per cent. The overall mortality rate was 25.8 per cent; for emergency cases this value was 50.0 per cent. Mortality rates for elective surgery were 3.9 per cent in teaching and 12.0 per cent in district hospitals. Patients with ruptured AAA admitted via the accident and emergency department had a higher mortality rate (64.3 per cent) than those admitted by their general practitioner (49.5 per cent) or those referred from the urology department (18.8 per cent). In all, 73 (6.5 per cent) patients were admitted with an alternative diagnosis, ranging from collapse of unknown cause (25) to torsion of the testes (one) and colonic obstruction (one). Age had a profound effect on mortality rates. For emergency cases the mortality rate varied from 47.0 per cent (in teaching plus district hospitals) in those aged less than 80 years to 70.1 per cent in those 80 years or over (chi 2 = 7.22; P = 0.007). For elective surgery the mortality rate varied from 7.6 per cent (in teaching plus district hospitals) in those under 80 years to 23.8 per cent in those 80 years or over (P = 0.0006). The overall mortality rate of 25.8 per cent is significantly less than that quoted in the Confidential Enquiry into Perioperative Deaths report of 1987. Furthermore, elective patients over 80 years of age may expect a survival rate of 76 per cent and, in the absence of major medical contraindications, should not automatically be denied surgery. Importantly, it is of note that this prospective audit identified 31 per cent more cases than recognized by regional audit data.

PMID:
7648104
[PubMed - indexed for MEDLINE]
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