Background: Intra-cranial bacterial infection is a serious complication in emergency neurosurgical patients, and few data are available on the trends of these infections and the rates of antibacterial drug resistance.

中文翻译：

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急诊神经外科患者颅内细菌感染的趋势。

背景：颅内细菌感染是急诊神经外科患者的严重并发症，关于这些感染的趋势和抗菌药物耐药率的数据很少。