Systematic review of the safety and effectiveness of methods used to establish pneumoperitoneum in laparoscopic surgery
Date
2003
Authors
Merlin, T.
Hiller, J.
Maddern, G.
Jamieson, G.
Brown, A.
Kolbe, A.
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Advisors
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Journal article
Citation
British Journal of Surgery, 2003; 90(6):668-679
Statement of Responsibility
T.L. Merlin, J.E. Hiller, G.J. Maddern, G.G. Jamieson, A.R. Brown and A. Kolbe
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DOI
Abstract
<h4>Background</h4>A systematic review was conducted to determine which of the methods of obtaining peritoneal access and establishing pneumoperitoneum is the safest and most effective.<h4>Methods</h4>Studies that met the inclusion criteria were identified from six bibliographic databases up to May 2002, the internet, hand-searches and reference lists. They were critically appraised using a validated checklist and data were extracted using standardized protocols.<h4>Results</h4>Meta-analysis of prospective, non-randomized studies of open versus closed (needle/trocar) access indicated a trend during open access towards a reduced risk of major complications (pooled relative risk (RR(p)) 0.30, 95 per cent confidence interval (c.i.) 0.09 to 1.03). Open access was also associated with a trend towards a reduced risk of access-site herniation (RR(p) 0.21, 95 per cent c.i. 0.04 to 1.03) and, in non-obese patients, a 57 per cent reduced risk of minor complications (RR(p) 0.43, 95 per cent c.i. 0.20 to 0.92) and a trend for fewer conversions to laparotomy (RR(p) 0.21, 95 per cent c.i. 0.04 to 1.17). Data on major complications in studies of direct trocar versus needle/trocar access were inconclusive. Minor complications in randomized controlled trials were fewer with direct trocar access (RR(p) 0.19, 95 per cent c.i. 0.09 to 0.40), predominantly owing to a reduction in extraperitoneal insufflation.<h4>Conclusion</h4>The evidence on the comparative safety and effectiveness of the different access methods was not definitive, but there were trends in the data that merit further exploration.
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Copyright © 2003 British Journal of Surgery Society Ltd. Published by John Wiley & Sons, Ltd. The definitive version may be found at www.wiley.com