随着周围假肢关节感染的两阶段交换后的再感染模式:回顾性分析
Calvin C Chandler1, Andrew J Clair2, Rory W Metcalf2
1Atrium Health Musculoskeletal Institute, Charlotte, North Carolina.
The Journal of arthroplasty
|March 2, 2025
概括
大多数在两阶段交换后的周围假肢关节感染 (PJI) 复发都涉及不同的细菌. 年轻的患者更容易再次感染,但预测特定的生物体仍然具有挑战性.
科学领域:
- 整形外科手术 整形外科手术
- 传染性疾病 传染性疾病
- 微生物学 微生物学
背景情况:
- 周围假肢关节感染 (PJI) 是整体关节整形术的严重并发症.
- 两阶段交换是慢性PJI的标准治疗方法,但治疗失败限制了选择.
- 在失败的两阶段交换后,在50%-80%的病例中,再次感染不同的生物体.
研究的目的:
- 分析PJI的两阶段交换后的再感染模式.
- 为了确定重新感染生物体的预测因素.
- 改善PJI的管理.
主要方法:
- 从2010年到2020年,对188个慢性PJI (膝盖和部) 的两阶段交换程序进行了回顾性审查.
- 不包括多微生物,培养负和真菌感染.
- 索引和再感染生物的比较.
主要成果:
- 16.5%的手术由于再感染而失败.
- 大多数再感染 (96.8%) 是阳性,主要是黄金葡萄球菌 (71.0%).
- 在61.3%的病例中,再感染生物与索引感染有所不同;年轻患者更容易受到感染.
结论:
- 两阶段交换后的再感染通常涉及与最初感染不同的生物体.
- 仅基于索引生物体来预测重新感染的生物是不可靠的.
- 需要进一步的研究来了解再感染因素和指导预防.
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