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Intrathecal Morphine for Postpartum Tubal Ligation Postoperative Analgesia
Author(s) -
David Campbell,
Celina M. Riben,
Michael E. Rooney,
Lesley-Ann Crone,
Ray Yip
Publication year - 2001
Publication title -
anesthesia and analgesia/anesthesia and analgesia
Language(s) - Uncategorized
Resource type - Journals
SCImago Journal Rank - 1.404
H-Index - 201
eISSN - 1526-7598
pISSN - 0003-2999
DOI - 10.1097/00000539-200110000-00042
Subject(s) - medicine , anesthesia , visual analogue scale , morphine , saline , lidocaine , fentanyl , tubal ligation , adverse effect , patient satisfaction , randomized controlled trial , pain scale , surgery , population , environmental health , family planning , research methodology
Intrathecal morphine (ITM) provides effective postoperative cesarean delivery analgesia but has not been reported for postoperative postpartum tubal ligation (PPTL) analgesia. We designed this prospective, randomized, double-blinded study to determine the efficacy of 100 microg ITM for postoperative PPTL analgesia. Sixty-six women received spinal anesthesia with 60 mg (1.2 mL) of 5% hyperbaric lidocaine, 10 microg (0.2 mL) of fentanyl, and either 0.2 mL of 0.9% saline (normal saline; NS) or 100 microg (0.2 mL) of morphine (morphine sulfate, MS). Postoperative analgesia was limited to patient-controlled IV analgesia morphine. Six women (three NS and three MS) were excluded because of major protocol violations. Twenty-four-hour patient-controlled IV analgesia morphine use was (mean +/- SD) 39.6 +/- 19.6 mg in the NS group and 1.1 +/- 2.5 mg in the MS group (P < 0.1). Visual analog scale scores for crampy and incisional pain (rest and movement) were significantly higher in the NS group compared with the MS group at 4, 8, 12, and 24 h (P < 0.001). The adverse effect profile was similar between groups. Visual analog scale satisfaction scores (mean +/- SD) were 96.6 +/- 16.0 in the MS group and 84.2 +/- 23.6 in NS group (P < 0.05). The results of this study indicate that women experience significant postoperative pain after PPTL surgery, and this pain is effectively obviated by 100 microg ITM.

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