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Orthopaedic Proceedings
Vol. 98-B, Issue SUPP_10 | Pages 47 - 47
1 May 2016
Spangehl M Fraser J
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Introduction

Patellar resurfacing is performed in more than 90% of primary total knee arthroplasties (TKAs) in the United States, yet far fewer patellae are resurfaced internationally. Multiple randomized controlled trials have shown decreased revision rates in patients with resurfaced patellas (RP) vs. non-resurfaced (NR). However, most of these studies showed no difference in patient satisfaction, anterior knee pain, or knee society scores. (Figure 1) Given uncertain benefits, the purpose of this study was to determine if the rates of patellar resurfacing have changed over the past 10 years worldwide.

Methods

Data was obtained via direct correspondence with registry administrators or abstracted from the annual reports of six national joint registries: Australia, Denmark, England, New Zealand, Norway, and Sweden. Rates of patellar resurfacing between 2003 and 2013 were collected. Where data was available, subgroup analysis was performed to examine revision rates among RP and NR TKAs.


Orthopaedic Proceedings
Vol. 98-B, Issue SUPP_10 | Pages 48 - 48
1 May 2016
Spangehl M Fraser J Young S Probst N Valentine K
Full Access

Introduction

The original Charnley-type negative pressure body exhaust suit reduced infection rates in randomized trials of total joint arthroplasty decades ago. Modern positive pressure surgical helmet systems (SHS) have not shown similar benefit, and several recent studies have shown a trend towards increased wound contamination and infection with SHS use. The gown glove interface may be one source of particle contamination.

Objectives

The purpose of this study was to compare particle contamination at the gown glove interface in several modern SHS vs. a conventional gown.