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Am J Infect Control. 2017 Nov 1;45(11):1267-1272. doi: 10.1016/j.ajic.2017.06.027. Epub 2017 Aug 14.

Environment of care: Is it time to reassess microbial contamination of the operating room air as a risk factor for surgical site infection in total joint arthroplasty?

Author information

1
Sidney Kimmel School of Medicine, Rothman Institute at Thomas Jefferson University, Philadelphia, PA.
2
Infection Control Consulting, San Mateo, CA.
3
Department of Surgery, Medical College of Wisconsin, Milwaukee, WI. Electronic address: edmiston@mcw.edu.

Abstract

In the modern operating room (OR), traditional surgical mask, frequent air exchanges, and architectural barriers are viewed as effective in reducing airborne microbial populations. Intraoperative sampling of airborne particulates is rarely performed in the OR because of technical difficulties associated with sampling methodologies and a common belief that airborne contamination is infrequently associated with surgical site infections (SSIs). Recent studies suggest that viable airborne particulates are readily disseminated throughout the OR, placing patients at risk for postoperative SSI. In 2017, virtually all surgical disciplines are engaged in the implantation of selective biomedical devices, and these implants have been documented to be at high risk for intraoperative contamination. Approximately 1.2 million arthroplasties are performed annually in the United States, and that number is expected to increase to 3.8 million by the year 2030. The incidence of periprosthetic joint infection is perceived to be low (<2.5%); however, the personal and fiscal morbidity is significant. Although the pharmaceutic and computer industries enforce stringent air quality standards on their manufacturing processes, there is currently no U.S. standard for acceptable air quality within the OR environment. This review documents the contribution of air contamination to the etiology of periprosthetic joint infection, and evidence for selective innovative strategies to reduce the risk of intraoperative microbial aerosols.

KEYWORDS:

Device-related infection; Intraoperative contamination; Microbial aerosols; Operating room; Periprosthetic joint infection (PJI)

PMID:
28818359
DOI:
10.1016/j.ajic.2017.06.027
[Indexed for MEDLINE]

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