[Postoperative serum immunoglobulin G, prealbumin, retinol-binding protein and transferrin picture]

In 24 patients who had undergone cholecystectomy or abdominal hysterectomy the serum levels of prealbumin, transferrin, retinol-binding protein and immunoglobulin G were determined up to the 5th day after operation. Intra- and immediately postoperatively the patients received only isotonic infusion, beginning on the 3rd day after operation, they were fed increasingly orally. The observed serum levels decreased postoperatively.