Pre-operative assessment of fitness score

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Abstract
Death within 30 days or survival after a major operation depends on three things: the severity of the disease and the operation, the technical proficiency of the surgeon and the ability of the patient to withstand both disease and operation. The first of these can be estimated by reference to published figures, the second can only be guessed at and the third has in the past been a matter of subjective judgement. With the aim of producing an objective assessment of the likelihood of survival, we have constructed a score system comprising 26 items including age, chronic disease and acute presenting disease. These items are each given a weight of 1 to 4 and the total fitness score for any patient ranges from 0 (fit) to 10 (unlikely to survive). We have validated this score prospectively in 1517 consecutive patients undergoing emergency or elective major abdominal operations (excluding appendicectomies and hernia repairs). In 492 operations in which the patient scored 0 or 1, one patient died (0·2 per cent); in 290 with scores of 2 or 3, one died (0·3 per cent); in 313 with scores of 4 or 5, five died (1·6 per cent). It was when the score rose to 6 or over that the chances of survival progressively declined: 16 died of the 105 patients who scored 6 (15·2 per cent) as did 74 of the 191 who scored 7 or 8 (38·7 per cent) and 70 of the 126 who scored 9 or 10 (55·6 per cent). We now use the score as part of our audit and enquire particularly closely into the death of any patient with a pre-operative score of less than 6.
Funding Information
  • Scarborough Research Fund