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Laminar flow does not affect risk of prosthetic joint infection after primary total knee replacement in Asian patients.
Journal of Hospital Infection ( IF 3.9 ) Pub Date : 2019-12-24 , DOI: 10.1016/j.jhin.2019.12.014
B J X Teo 1 , Y L Woo 1 , J K S Phua 1 , H-C Chong 2 , W Yeo 2 , A H C Tan 1
Affiliation  

BACKGROUND The role of laminar flow (LAF) is contradictory with several studies failing to replicate risk reduction. The 2016 World Health Organization guidelines identified this lack of good comparative studies. AIM To analyse the use of LAF and the incidence of prosthetic joint infections (PJIs) in Asian patients undergoing total knee replacement (TKR). METHODS Patients who underwent standard cemented posterior-stabilized TKR from 2004 to 2014 were reviewed from a prospectively collected single-surgeon database. Revision, traumatic and/or inflammatory cases were excluded. The type of airflow used was identified. The technique and surgical protocol for all procedures were similar. Tourniquets and inserted drains were routinely used. Patellar resurfacing was not performed. Patients were followed up at the outpatient clinics at regular intervals up to two years. At each visit, the patient was assessed for the occurrence of PJI. FINDINGS Of the 1028 procedures, 453 (44.1%) were performed in an LAF operating theatre (OT) whereas 575 (55.9%) were performed in a non-LAF OT. There were no significant differences between the two groups in terms of age, gender, or side of procedure. The overall incidence of PJI was 0.6% (N = 6). Three (50%) occurred in an LAF OT whereas three (50%) occurred in a non-LAF OT. This was not statistically significant. CONCLUSION Laminar flow systems are costly to procure and maintain. With modern aseptic techniques, patient optimization, and use of prophylactic antibiotics, laminar flow does not appear to further reduce risk of PJI in Asian patients after TKR.

中文翻译:

在亚洲患者中,初次全膝关节置换后,层流不影响人工关节感染的风险。

背景技术层流(LAF)的作用与数项未能重复降低风险的研究相矛盾。2016年世界卫生组织准则指出缺乏良好的比较研究。目的分析接受全膝关节置换术(TKR)的亚洲患者中LAF的使用和人工关节感染(PJI)的发生率。方法从前瞻性收集的单外科医生数据库中回顾了2004年至2014年接受标准水泥固定后路稳定TKR的患者。排除修订,创伤和/或炎症病例。确定使用的气流类型。所有手术的技术和手术方案均相似。通常使用止血带和插入的排水管。未进行骨重铺。定期在门诊诊所对患者进行随访,直至两年。每次就诊时,都要对患者进行PJI评估。结果在1028例手术中,有453例(44.1%)在LAF手术室(OT)中进行,而有575例(55.9%)在非LAF OT中进行。两组在年龄,性别或手术方式方面均无显着差异。PJI的总发生率为0.6%(N = 6)。在LAF OT中发生三(50%),而在非LAF OT中发生三(50%)。这在统计学上不显着。结论层流系统的采购和维护成本很高。通过现代无菌技术,患者优化和预防性抗生素的使用,似乎在TKR后亚洲患者中的层流似乎无法进一步降低PJI的风险。对患者进行了PJI的评估。结果在1028例手术中,有453例(44.1%)在LAF手术室(OT)中进行,而有575例(55.9%)在非LAF OT中进行。两组在年龄,性别或手术方式方面均无显着差异。PJI的总发生率为0.6%(N = 6)。在LAF OT中发生三(50%),而在非LAF OT中发生三(50%)。这在统计学上不显着。结论层流系统的采购和维护成本很高。通过现代无菌技术,患者优化和使用预防性抗生素,层流似乎并不能进一步降低TKR后亚洲患者中PJI的风险。对患者进行了PJI的评估。结果在1028例手术中,有453例(44.1%)在LAF手术室(OT)中进行,而有575例(55.9%)在非LAF OT中进行。两组在年龄,性别或手术方式方面均无显着差异。PJI的总发生率为0.6%(N = 6)。在LAF OT中发生三(50%),而在非LAF OT中发生三(50%)。这在统计学上不显着。结论层流系统的采购和维护成本很高。通过现代无菌技术,患者优化和使用预防性抗生素,层流似乎并不能进一步降低TKR后亚洲患者中PJI的风险。1%)是在LAF手术室(OT)中进行的,而575(55.9%)是在非LAF OT中进行的。两组在年龄,性别或手术方式方面均无显着差异。PJI的总发生率为0.6%(N = 6)。在LAF OT中发生三(50%),而在非LAF OT中发生三(50%)。这在统计学上不显着。结论层流系统的采购和维护成本很高。通过现代无菌技术,患者优化和使用预防性抗生素,层流似乎并不能进一步降低TKR后亚洲患者中PJI的风险。1%)是在LAF手术室(OT)中进行的,而575(55.9%)是在非LAF OT中进行的。两组在年龄,性别或手术方式方面均无显着差异。PJI的总发生率为0.6%(N = 6)。在LAF OT中发生三(50%),而在非LAF OT中发生三(50%)。这在统计学上不显着。结论层流系统的采购和维护成本很高。通过现代无菌技术,患者优化和使用预防性抗生素,层流似乎并不能进一步降低TKR后亚洲患者中PJI的风险。在LAF OT中发生三(50%),而在非LAF OT中发生三(50%)。这在统计学上不显着。结论层流系统的采购和维护成本很高。通过现代无菌技术,患者优化和使用预防性抗生素,层流似乎并不能进一步降低TKR后亚洲患者中PJI的风险。在LAF OT中发生三(50%),而在非LAF OT中发生三(50%)。这在统计学上不显着。结论层流系统的采购和维护成本很高。通过现代无菌技术,患者优化和使用预防性抗生素,层流似乎并不能进一步降低TKR后亚洲患者中PJI的风险。
更新日期:2019-12-25
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