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人工关节置换术后真菌感染——真正的灾难 被引量:17

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摘要 人工关节置换术后真菌感染虽少见,但诊治复杂困难,目前尚无公认的人工关节置换术后真菌感染诊治方法。关节置换术后真菌感染主要出现在细胞免疫力降低的患者。感染的真菌类型以念珠菌为多,多合并细菌感染。患者血沉和CRP往往升高不明显,诊断主要依靠术前及术中关节液真菌培养。单独关节灌注冲洗和清创治疗难以控制感染;二期翻修手术效果尚可,部分患者仍会复发,翻修术后真菌感染复发率约25%~53%,需进一步灌注冲洗和清创,长期抗生素抑制。若感染控制不佳,需截肢。目前尚无合适的抗真菌药物骨水泥类型,两性霉素B虽具热稳定性、广谱等特点,但形成抗生素骨水泥后,洗脱很差,很难在局部维持药物浓度;氟康唑骨水泥洗脱也很差。再次植入关节前需根据药敏结果,给予抗真菌治疗6周以上,直至症状体征消失,血沉CRP正常,关节液培养多次阴性。对于真菌感染时间长的患者,需延长抗真菌药物时间。全身静脉用药首选氟康唑和两性霉素B。由于人工关节置换术后真菌感染缺乏有效的诊治方法,一旦发生,后果极其严重,是真正的灾难性并发症,需进一步探索,以期获得更好的效果。
作者 周琦 吴海山
出处 《中华关节外科杂志(电子版)》 CAS 2012年第6期65-67,共3页 Chinese Journal of Joint Surgery(Electronic Edition)
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