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Preoperative Pneumonia and Its Association With Periprosthetic Joint Infection and Postoperative Complications After Total Hip and Knee Arthroplasty.
The Journal of arthroplasty·July 3, 2026·PMID 42398594
Why it mattersPreoperative risk assessment for arthroplasty patients often overlooks recent pneumonia history. These findings suggest that pathogen type and timing of pneumonia may help identify patients at higher risk for PJI, potentially guiding surgical timing or enhanced surveillance.

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