Recon

Findings show relationship between door openings and OR pressure during joint arthroplasty

By Monica Jaramillo

Results from this study demonstrated OR door openings and room pressure are significantly correlated and that loss of positive room pressure was temporary and later recovered.

Researchers retrospectively identified and monitored 191 primary hip and knee arthroplasties performed from March 2011 to June 2011 for door openings and OR air pressure during the procedures. For each case, investigators recorded the time point for each change in status and calculated the number and duration of door openings.

Investigators found doors were open for about 10 minutes in each case. In addition, they found the positive pressure was defeated and air flowed into the OR in 77 cases.

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