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"Pentazepam" (Pentazocine + Diazepam) Supplementing LocaI Analgesia for Laparoscopic Sterilization

J. ANTONIO ALDRETE, MD, MS^*, SHIRLEY T. TAN, MD, DONALD J. CARROW, MD, and MARY K. WATTS, CRNA

*Currently Professor and Chairman, Department of Anesthesiology, University of Colorado Medical School, Denver, Colorado 80220. Department of Anesthesiology, University of Louisville School of Medicine, Louisville, Kentucky 40202. Assistant Professor, Department of Anesthesiology, University of Colorado School of Medicine, Denver, Colorado 80220. Department of Anesthesiology, University of Louisville School of Medicine, Louisville, Kentucky 40202. Assistant Professor, Department of Anesthesiology, University of Louisville School of Medicine, Louisville, Kentucky 40202. Department of Anesthesiology, University of Louisville School of Medicine, Louisville, Kentucky 40202. Nurse Anesthetist, Louisville General Hospital.

Abstract

Salpingectomy by laparoscopy in 200 healthy outpatients employed local analgesia and "pentazepam" (pentazocine 90 mg and diazepam 30 mg in 250 ml of 5% D/W) as anesthesia. Patients received no premedication, ventilated spontaneously, without tracheal intubation, but were given nasal O₂ at 3 L/min throughout the procedure. N₂O was used for abdominal insufflation, and the abdominal pressure and Trenelelenburg position were restricted to less than 20 cm H₂O pressure and 30°, respectively. Changes in arterial blood gases measured in 12 patients were unremarkable. Prolonged recovery, unsatisfactory surgical conditions, tachycardia, nausea and vomiting were infrequent.