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Knee. 2010 Mar;17(2):141-7. doi: 10.1016/j.knee.2009.06.007. Epub 2009 Jul 19.

Is a tourniquet beneficial in total knee replacement surgery? A meta-analysis and systematic review.

Author information

1
Institute of Orthopaedics, Norfolk and Norwich University Hospital, Colney Lane, Norwich, NR4 7UY, UK. toby.smith@nnuh.nhs.uk

Abstract

Proponents of tourniquets postulate that they optimise intra-operative visibility and reduce blood loss. This study compared the outcomes of tourniquet assisted to non-tourniquet assisted total knee replacement (TKR). A systematic review was undertaken of the electronic databases Medline, CINAHL, AMED and EMBASE, in addition to a review of unpublished material and a hand search of pertinent orthopaedic journals. The evidence-base was critically appraised using a tool from the Cochrane Bone, Joint and Muscle Trauma Group. Fifteen studies were identified evaluating 16 outcome measures and parameters of 1040 TKRs in 991 patients. There was a significantly greater intra-operative blood loss in non-tourniquet compared to tourniquet assisted surgery (p=0.004). There was no significant difference between the groups for total blood loss or transfusion rate (p=0.22; p=0.48). There was a trend for greater complications in tourniquet compared to non-tourniquet patients. There was no difference between the groups for any other outcome measure assessed. In conclusion, this systematic review has found that there is no advantage to using a tourniquet in knee replacement surgery for reduction of transfusion requirements.

PMID:
19616954
DOI:
10.1016/j.knee.2009.06.007
[Indexed for MEDLINE]

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