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Tourniquet Release Prior to Dressing Application Reduces Blistering Following Total Knee Arthroplasty
Snir Heller1, Antonia Chen1, Camilo Restrepo1
1Investigation performed at The Rothman Institute at Thomas Jefferson University Hospital, Philadelphia, Pennsylvania.
Abstract:
Skin blisters occur in up to 20% of patients after total knee arthroplasty (TKA). Tourniquet release results in a limb volume increase of 10%. We hypothesized that releasing tourniquet before application of circumferential dressing will decrease blister formation. A prospective study was conducted on 135 consecutive primary TKAs. The tourniquet was released immediately after wound closure to allow for re-perfusion and then a dressing was applied. These patients were compared to a historical cohort of 200 primary TKAs, where the tourniquet was released after application of dressing. There was a significant difference in the incidence of blisters between the two groups [Late 7.5% (15/200) vs early release 2.2% (3/135) P=0.028]. Releasing the tourniquet prior to dressing application has reduced the incidence of blistering following TKA.
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