J Knee Surg 2021; 34(04): 378-382
DOI: 10.1055/s-0039-1696690
Original Article

Annual Nationwide Infection Trends for Revision Total Knee Arthroplasty

Peter A. Gold
1   Department of Orthopaedic Surgery, Long Island Jewish Medical Center, New Hyde Park, New York
,
Luke J. Garbarino
1   Department of Orthopaedic Surgery, Long Island Jewish Medical Center, New Hyde Park, New York
,
Nipun Sodhi
2   Department of Orthopaedic Surgery, Cleveland Clinic, Cleveland, Ohio
,
Hiba K. Anis
2   Department of Orthopaedic Surgery, Cleveland Clinic, Cleveland, Ohio
,
Joseph O. Ehiorobo
3   Department of Orthopaedic Surgery, Lenox Hill Hospital, New York, New York
,
Steven M. Kurtz
4   Department of Biomedical Engineering, Drexel University, Philadelphia, Pennsylvania
,
Jonathan R. Danoff
1   Department of Orthopaedic Surgery, Long Island Jewish Medical Center, New Hyde Park, New York
,
Vijay J. Rasquinha
1   Department of Orthopaedic Surgery, Long Island Jewish Medical Center, New Hyde Park, New York
,
Carlos A. Higuera
2   Department of Orthopaedic Surgery, Cleveland Clinic, Cleveland, Ohio
,
Michael A. Mont
3   Department of Orthopaedic Surgery, Lenox Hill Hospital, New York, New York
› Author Affiliations

Abstract

Several recent intraoperative and wound management techniques have been developed and implemented in the United States over the past decade; however, it is unclear what the effects of these newer modalities have on reducing surgical site infection (SSI) rates. Therefore, the purpose of this study was to track the annual rate and trends of (1) overall, (2) deep, and (3) superficial SSIs following revision total knee arthroplasty (TKA). The National Surgical Quality Improvement Program database was queried for all revision TKA cases performed between 2011 and 2016, which yielded 9,887 cases. Cases with superficial and/or deep SSIs were analyzed separately and then combined to evaluate overall SSI rates. After an overall 6-year correlation and trends analysis, univariate analysis was performed to compare the most recent year, 2016, with the preceding 5 years. Correlation coefficients and chi-square tests were used to determine correlation and statistical significance. No significant correlations between combined, deep, and/or superficial SSI rates and year were noted (p > 0.05). The lowest overall SSI incidence was in 2012 (1.16%), while the greatest incidence was in 2014 (1.76%). The deep SSI incidence over the 6 years was 0.67% (66 out of 9,887 cases). Deep SSI rate decreased by 10% in 2016 compared with 2011 (0.50 vs. 0.56%, p  > 0.05). In this 6-year period, 94 cases out of 9,887 were complicated by a superficial SSI, an incidence of 0.95%. The lowest superficial SSI incidence occurred in 2015 (n = 17, 0.77%). Overall, the incidence of SSIs in revision TKA has remained fairly low with some annual variance, indicating room for improvement. These variations likely as revision surgeries can be more complex and have several associated confounding factors influencing outcomes, when compared with primary cases. Further research is needed to identify revision-specific strategies to reduce the risk of surgical site infections.



Publication History

Received: 29 December 2018

Accepted: 22 July 2019

Article published online:
06 September 2019

© 2019. Thieme. All rights reserved.

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