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Medline ® Abstract for Reference 39

of 'Complications of abdominal surgical incisions'

Intraabdominal pressure changes associated with lifting: Implications for postoperative activity restrictions.
Gerten KA, Richter HE, Wheeler TL 2nd, Pair LS, Burgio KL, Redden DT, Varner RE, Hibner M
Am J Obstet Gynecol. 2008;198(3):306.e1. Epub 2008 Feb 20.
OBJECTIVE: The purpose of this study was to describe the effect of the lifting maneuver and the quantity of weight lifted on the generation of intraabdominal pressure.
STUDY DESIGN: Forty-one women who underwent urodynamic evaluation performed 4 lifting maneuvers, each while lifting 0, 2.5, 5, 10, and 15 kg. The lifting maneuvers were routine activities that included squatting with and without assistance, lifting from a counter, and receiving weight. Pressure was recorded with a rectal microtip catheter. Each lift was performed twice, and the average pressure change was analyzed.
RESULTS: When controlled for potential confounding variables, repeated-measures analysis of variance revealed a significant interaction between lift weight and lift maneuver (P<.001). Squatting was associated with generation of higher intraabdominal pressure than lifting from a counter or receiving weights into outstretched arms (P<.001). Lifting>or = 2.5 kgresulted in significant changes in intraabdominal pressure, regardless of lift maneuver (P<.001).
CONCLUSION: Both the lifting maneuver and the quantity of weight should be considered when counseling patients regarding postoperative lifting.
Division of Women's Pelvic Medicine and Reconstructive Surgery, Department of Obstetrics and Gynecology, University of Alabama at Birmingham School of Medicine, Birmingham, AL, USA. gerten@uab.edu