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首页> 外文期刊>Journal of International Medical Research >Is implant sonication useful when screening for infection in conversion of prior hip fracture fixation to total hip arthroplasty?
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Is implant sonication useful when screening for infection in conversion of prior hip fracture fixation to total hip arthroplasty?

机译：当筛选出现的髋关节骨折固定对总髋关节置换术后，是否有用植入声学剂是有用的？

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Objective To examine sonication results in presumed aseptic conversion total hip arthroplasty (THA) after hip fracture fixation and to evaluate its implications on the treatment outcome. Methods This retrospective cohort study reviewed the data from presumed aseptic patients that underwent conversion of prior internal fixation of proximal femoral fractures to THA between 2012 and 2018. Microbiological analysis was performed using sonication of osteosynthesis material and tissue samples. Treatment outcome including the occurrence of periprosthetic joint infection (PJI) was recorded. Results A total of 32 patients were included in the study. Of these, five patients (15.6%) had positive intraoperative cultures. The mean follow-up following conversion THA was 43.0 months (range, 19.0–91.5 months). Sonication was positive in three patients (9.4%), all of whom were deemed contaminated and did not develop PJI. Tissue cultures were positive in two patients (6.3%). One patient with Enterococcus faecalis received antibiotic treatment and did not develop PJI. Another patient with growth of Cutibacterium acnes that was initially classified as a contaminant later developed acute PJI caused by the same pathogen. Overall, PJI occurred in two patients (6.3%) after conversion THA. Conclusion Sonication of internal fixation devices did not add diagnostic value in clinically aseptic conversion THA. Further studies are needed to better understand the relevance of unexpected positive cultures, and to develop diagnostic criteria for the management of these patients.
机译：目的探讨臀部断裂固定后推定无菌转化总髋关节关节置换术（THA）的超声处理，并评估其对治疗结果的影响。方法方法，这项回顾性队列研究综述了来自预期无菌患者的数据，该患者接受了早期内部固定在2012和2018之间的近端股骨骨折至THA的转化。使用骨合成材料和组织样品的超声处理进行微生物分析。记录了包括患者关节感染（PJI）的治疗结果。结果共有32名患者纳入研究。其中，五名患者（15.6％）具有阳性术中培养物。转换后的平均随访时间为43.0个月（范围，19.0-91.5个月）。超声处理在三名患者（9.4％）中是阳性的，所有这些都被视为被视为污染，并没有发展PJI。组织培养物在两名患者中阳性（6.3％）。一名患有肠球菌粪便的患者接受抗生素治疗，并没有开发PJI。另一种患者患有最初归类为污染物的Cibacterium Acnes生长的患者后来发育了由同一病原体引起的急性PJI。总体而言，PJI在转换后两名患者发生（6.3％）。结论内部固定装置的超声处理在临床无菌转化THA中没有添加诊断价值。需要进一步的研究来更好地了解意外阳性培养物的相关性，并为这些患者的管理制定诊断标准。

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