Bupivacaine infiltration of the mesosalpinx in ambulatory surgical laparoscopic tubal sterilization
Alexander, C.D.; Wetchler, B.V.; Thompson, R.E.
Canadian Journal of Anaesthesia 34(4): 362-365
1987
ISSN/ISBN: 0832-610X PMID: 3608051 DOI: 10.1007/bf03010134Document Number: 365415
Bupivacaine infiltration of the mesosalpinx was compared to lidocaine, normal saline or no injection for pain relief in women having elective laparoscopic tubal sterilization by Yoon fallopian ring application. One hundred women were assigned randomly to four groups. In a double-blind study, the mesosalpinx was infiltrated in three groups: Group 1 - lidocaine one per cent; Group II - bupivacaine 0.5 per cent; Group III - normal saline. Group IV (control) received no injection. Pain intensity was reported at four study times by the patients on a self-assessment pain intensity scale. Responses were compared using the Kruskall-Wallis H-Test and Wilcoxen's Rank-Sum Test. Both tests indicated significant differences in pain intensity levels at various study times. The amount of supplemental fentanyl given was used as a secondary measure of effectiveness. One-way analysis of variance (ANOVA) and Duncan's Multiple-Range Test showed the bupivacaine group to receive significantly less fentanyl (p less than 0.05) in the postanaesthesia care unit.
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