"Catabolic" loss of body nitrogen in response to surgery.

Aged Anus Neoplasms/surgery Blood Urea Nitrogen Body Height Body Weight Carbon Radioisotopes Carcinoma in Situ/surgery Cholelithiasis/surgery Chromatography, Ion Exchange Colonic Neoplasms/surgery Dietary Proteins/administration & dosage Duodenal Ulcer/surgery Female Humans Infusions, Parenteral Leucine/administration & dosage,blood,metabolism Male Middle Aged Nitrogen/metabolism Oxidation-Reduction Postoperative Care Preoperative Care Protein Biosynthesis Serum Albumin/analysis Stress, Physiological/metabolism Surgical Procedures, Operative

Carbon Radioisotopes Dietary Proteins Serum Albumin Leucine Nitrogen