The efficacy and safety of intrawound vancomycin for preventing surgical site infection in primary hip and knee arthroplasty is uncertain.

中文翻译：

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伤口内万古霉素在原发髋和膝关节置换术中的疗效和安全性。

伤口内万古霉素预防原发性髋和膝关节置换术中手术部位感染的功效和安全性尚不确定。