Influence of Vaginal Versus Abdominal Hysterectomy on Perioperative Glucose Metabolism

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The aim of this study was to investigate the metabolic effects of abdominal versus vaginal hysterectomy with specific regard to perioperative glucose metabolism.Fourteen patients received either abdominal (AH, n = 7) or vaginal hysterectomy (VH, n = 7). Hepatic glucose production was measured before and 2.5 h after the operation by stable isotope technique ([6,6-(2) H2]-glucose). Metabolic substrates (glucose, lactate, nonesterified fatty acids [NEFA], beta-hydroxybutyrate) and hormones (insulin, glucagon, cortisol, catecholamines) were determined pre-, intra-, and postoperatively. VH induced a higher postoperative glucose concentration than the abdominal approach (VH, 148 +/- 25 mg/dL; AH, 111 +/- 16 mg/dL; P < 0.05). Since postoperative enhancement of hepatic glucose production was comparable in both groups, glucose clearance was lower after the vaginal procedure (VH, 1.7 +/- 0.3 mL [centered dot] kg-1 [centered dot] min-1; AH, 2.1 +/- 0.3 mL [centered dot] kg-1 [centered dot] min-1; P < 0.05). NEFA, beta-hydroxybutyrate, and catecholamines similarily increased after surgery. Cortisol levels were more increased after VH (VH, 80 +/- 26 micro g/dL; AH, 37 +/- 14 micro g/dL; P < 0.001). Lactate, glucagon, and insulin concentrations did not change perioperatively. The more pronounced hyperglycemic response to VH was due to lower peripheral glucose use caused by higher postoperative cortisol values. The mechanisms responsible for this marked cortisol enhancement after the vaginal operation as well as the clinical significance for patients with preexisting impaired carbohydrate tolerance, however, remained unclear and warrant further investigation.(Anesth Analg 1996;83:991-5)

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