Objective:The original Charnley-type negative-pressure body-exhaust suit reduced infection rates in early trials of total joint arthroplasty. However, recent registry data on modern positive-pressure surgical helmet systems (SHS) have not shown this benefit, and have instead suggested a paradoxical increase in infection rates with SHS use. The gown-glove interface has been identified as a potential source of particle contamination. The aim of this study was to compare wound contamination in total knee arthroplasty (TKA) between conventional surgeon attire and SHS with and without protective tape at the gown/glove interface.
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