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Application of an articulating spacer in two‐stage revision for severe infection after total knee arthroplasty

机译:铰接垫片在全膝关节置换术后严重感染的两期翻修中的应用

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摘要

>Objective:  To investigate the efficiency and safety of articulating spacer for severe infection after total knee arthroplasty (TKA) in patients with medical comorbidities and local sinus tracts. >Methods:  Between January 2002 and March 2008, ten consecutive patients with late stage infected TKA complicated by local sinus tracts and medical comorbidities, were treated in our hospital by delayed two‐stage reimplantation using articulating spacers. The modified Hospital for Special Surgery (HSS) knee scoring system was used to evaluate the results. >Results:  One patient underwent knee fusion as the infection could not be controlled after first‐stage surgery. Infection was eradicated in the other nine patients. The mean follow‐up was 50 months (range, 24–90 months), no recurrent infection developing in these nine patients. The average modified HSS score was 48 points (range, 32–63) before the first‐stage surgery, 79 points (range, 62–91) at the end of the spacer period, and 89 points (range, 74–95) at the latest follow‐up, and the good to excellent rate was 0%, 80% and 100%, respectively. The average range of motion had improved to 8° to 93° at the end of the spacer period, and 3° to 110° at the last follow‐up, compared to 13° to 70° preoperatively. >Conclusion:  Delayed two‐stage reimplantation using an articulating spacer is effective for treating infected TKA in patients with medical comorbidities or local sinuses.
机译:>目的:研究在患有合并症和局部窦道的患者中,全膝关节置换术(TKA)后关节间隙垫片治疗严重感染的效率和安全性。 >方法:在我院,从2002年1月至2008年3月,连续10例晚期TKA感染并发局部窦道和合并症的患者在我院采用铰接垫片进行了延迟的两阶段再植入治疗。改良的特种外科医院(HSS)膝盖评分系统用于评估结果。 >结果:由于第一阶段手术后无法控制感染,因此对一名患者进行了膝关节融合术。其他9例患者已消除感染。平均随访时间为50个月(24-90个月),这9例患者均未出现复发性感染。改良的HSS分数在第一阶段手术前平均为48分(范围32-63),在间隔期结束时为79分(范围62-91),而在间隔期结束时为89分(范围74-95)。最近的随访,优良率分别为0%,80%和100%。在间隔期结束时,平均运动范围已提高至8°至93°,而在最后一次随访中,平均运动范围已从3°至110°,而术前为13°至70°。 >结论:使用关节间隔器延迟两阶段再植入可有效治疗合并症或局部鼻窦患者的感染性TKA。

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