结果：涉及药品68种，抗精神病药物发病率最高，抗生素次之。
Results: 68 drugs were involved, antipsychotics induced incidence was highest, antibiotics next.
结论预防人工关节置换术感染以无菌术最重要，适当预防性使用抗生素次之。
Conclusions Aseptic technique is of most importance in the infect-precaution after joint replacement. Appropriate use of prophylactic antibiotics is less important.
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