A randomized controlled prospective clinical trial has been undertaken to examine the efficacy of the technique of early postoperative feeding using a fine bore catheter jejunostomy. Fifty patients undergoing surgery for gastrointestinal malignancy were randomly allocated into treatment and control groups. A low residue liquidized diet (Isocal) was administered to the patients in the treatment group. Control patients received routine intravenous therapy. Nutritional parameters (serum albumin, serum transferrin, serum prealbumin, weight, body fat and fat free mass) were measured pre-operatively and on the tenth postoperative day. Postoperative surgical complications were similar in both groups. There were 20 catheter complications and one death directly attributable to the jejunal catheter feeding. Postoperative stay was significantly longer (P less than 0.01) in the treatment group patients. Evaluation of the nutritional parameters showed no advantage for either the treatment group or a selected complication-free, 'successful treatment', subgroup. It is concluded that no significant clinical or nutritional advantage for jejunal catheter feeding has been demonstrated and because of the related complications, its routine use cannot be recommended.
Patients undergoing major gastrointestinal surgery who had a prognostic nutritional index (PNI) score of greater than 30% were randomized to receive a preoperative course of 10 days of intravenous nutrition or to undergo surgery at the next convenient operation list. Two groups of 17 patients were well matched for age, sex, and nutritional status. Although they underwent diverse operations, the extent of these was similar: 12 +/- 3 days of parenteral nutrition resulted in weight gain, 3.2 +/- 2.3 kg p less than 0.01; increased triceps skinfold, 0.6 +/- 1.2 mm p less than 0.05; improved immunological state, p less than 0.02; and improved PNI, 5.5 +/- 10.1% p less than 0.05. The changes in serum albumin and transferrin were not significant. There were only three major complications with one death in the treatment group but this was not significantly different from the control group which had six major complications and three deaths. This study suggests that patients with demonstrable nutritional depletion who require major gastrointestinal surgery will benefit from a preoperative course of parenteral nutrition, but to conclusively prove this a large and probably multicentre study will be required.
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