LONG-TERM CHANGES IN BODY COMPOSITION AFTER PANCREATODUODENECTOMY
1991
: Body protein and fat stores were measured in four long-term survivors both before Whipple's procedure for malignancy at the ampulla of Vater and at a mean of 40 months (range 20-64 months) later. The results were compared with predicted well values. At follow-up patients also underwent dietary assessment and measurement of faecal fat losses. A dietary intake of mean (s.d) of 2690 (733) kcal per day and 85 (21) g protein per day met the patients' requirements. There was notable steatorrhoea (faecal fat 28 (21) g per day) but faecal protein losses were normal. Before surgery, body-weight was significantly lower than well-weight (P less than 0.0005), three patients having body fat stores lower than predicted well values. After surgery, body-weight and protein stores did not change significantly but fat stores fell in each patient (P less than 0.04). A curative Whipple's procedure prevents further weight loss in ampullary malignancy but weight gain does not occur because of steatorrhoea, perhaps a result of the accompanying truncal vagotomy.
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