膝关节二期翻修术治疗假体周围感染的疗效分析

[目的]探讨二期翻修手术治疗膝关节假体周围感染的有效性、失败原因和骨水泥活动间隔物对二期置换术后膝关节功能的影响。[方法]回顾性分析2010年1月~2012年12月因膝关节假体周围感染而行二期翻修手术的病例21例,分析失败原因,比较术前术后患者膝关节评分(KSS)和膝关节活动度。[结果]2例真菌感染病例1例因一期手术后不能控制感染,1例因二期翻修手术后再次发生感染而最终行膝关节融合术。其余19例患者二期手术后平均随访31个月(19~44个月),二期清创膝关节翻修术获得成功。术后KSS膝关节评分、KSS功能评分和膝关节活动度比术前都有明显提高。[结论]膝关节假体周围感染通过一期清创、带抗生素活动型骨水泥间隔物置入、二期翻修手术可以有效治疗感染并重建膝关节功能,而真菌引起的感染是造成手术失败的原因之一。     

全膝关节置换术后假体周围感染的临床诊断与治疗

[目的]探讨全膝关节置换术(TKA)后假体周围感染的临床诊断与治疗策略。[方法]回顾性分析2013年9月~2017年9月在本院收住的28例单侧TKA术后假体周围感染的病例,其中急性感染(Ⅱ型)4例,急性血源性感染(Ⅲ型)5例,慢性感染(Ⅳ型)19例;结合TKA术后假体周围感染的治疗标准及患者的期望和要求,其中11例行膝关节清创术,13例行Ⅱ期翻修术,3例行膝关节融合术,1例行抗结核治疗。评估患者术前与术后实验室检查指标(WBC、CRP和ESR)以及关节液培养作为诊断及治疗标准;并且评估膝关节的活动度(ROM)、VAS评分以及HSS评分。[结果]10例膝关节清创术、12例Ⅱ期翻修术以及3例膝关节融合术的患者感染均得到控制,1例急性血源性感染患者经单纯抗结核治疗后好转;另外2例最终选择截肢术。患者术前CRP和ESR均明显升高,关节穿刺液培养细菌检出率为39%;术后引流液培养均阴性,CRP和ESR值均明显下降。所有患者膝关节活动度明显改善、疼痛感明显减轻,末次随访膝关节HSS评分(82.91±7.49)分。[结论]CRP与ESR以及关节液穿刺培养可作为TKA术后感染的诊断及康复标准;全膝关节置换术后感染的治疗方案需结合假体周围感染的Sagawa分型和患者的期望而定。     

膝关节置换术后感染的治疗策略

目的探讨膝关节置换(TKA)术后感染的治疗策略。方法对2000年7月至2008年6月诊断为TKA术后感染的12例患者的治疗进行回顾性分析。随访1.1~6.9年,平均随访时间2.3年,其中4例早期感染患者予切开清创假体保留术;7例延迟感染患者中3例行保留假体,关节腔穿刺灌洗清创引流术,术后用敏感抗生素液直接注入关节腔,全部复发,后取出假体,使用可活动间隔物临时代替,感染控制后行二次置换;3例保守治疗;1例患者行膝关节融合术;1例后期感染患者行膝关节融合术。结果早期感染患者清创后治愈。7例延期感染患者中3例保守治疗患者反复复发,3例清创失败后行二期翻修成功,1例延期感染患者和1例后期感染患者,经膝关节融合术,感染获得控制。无一期翻修或需要截肢的个案。结论感染发生的时间是指导治疗的重要指征。早期感染有保留假体治疗成功的可能性,延迟感染的治疗原则是必须去除假体。二期假体置换仍是TKA术后感染治疗的金标准,抗生素的应用主要作为抑制感染和辅助治疗,后期感染膝关节融合术可能是较好的选择。     

可旋转绞链膝假体二期翻修治疗人工膝关节置换术后感染

目的 总结采用可旋转绞链膝假体二期翻修方法 治疗人工膝关节置换(TKA)术后感染的体会.方法 对1999年10月～2003年10月收治的12例(14膝)TKA术后感染患者,采用一期清创加自制含抗生索骨水泥植入,可旋转绞链膝假体二期翻修方法 治疗.结果 全部病例获6～36个月随访,平均随访时间24个月.其中10例12膝治愈,1例再次行二期置换后治愈,1例因软组织条件太差致感染无法控制截肢.结论 对膝关节置换术后感染采用二期翻修方法 治疗,效果确切,采用可旋转绞链膝假体翻修术后膝关节功能恢复满意.     

应用抗生素骨水泥间隔体二期翻修治疗人工全膝关节置换术后迟发感染

目的探讨应用抗生素骨水泥间隔体二期翻修治疗人工全膝关节置换术后迟发感染的临床疗效。方法 2007年1月-2009年12月,收治23例(23膝)人工全膝关节置换术后迟发感染患者。男15例,女8例;年龄43～75岁,平均65.2岁。置换术后至出现感染时间为13～52个月,平均17.3个月;发生感染至入院翻修时间为15 d～7个月,平均2.1个月。一期清创、取出假体,植入含庆大霉素抗生素骨水泥间隔体;8～10周感染控制后二期植入假体。分别采用美国特种外科医院(HSS)评分及膝关节学会评分系统(KSS)评价翻修前后患膝功能,并统计总体感染控制率。结果术后患者切口均Ⅰ期愈合。2例二期翻修术后发生再感染,余21例感染控制,总体感染控制率91.3%。患者均获随访,随访时间2～5年,平均3.6年。HSS评分由术前(60.6±9.8)分提高至末次随访时(82.3±7.4)分,KSS评分由术前(110.7±9.6)分提高至末次随访时(134.0±10.5)分,手术前后比较差异均有统计学意义(P<0.01)。X线片复查示假体位置良好,无松动、断裂、假体周围透亮影等异常表现。结论应用抗生素骨水泥间隔体二期翻修能有效控制人工全膝关节置换术后迟发感染,并能较好恢复患膝功能。     

人工膝关节术后感染的诊断和二期翻修术

目的：对人工膝关节(TKA)术后感染接受二次翻修术的膝关节进行评估。方法：1996年1月～2002年1月实行人工膝关节置换术353膝，其中5个膝关节在术后出现感染，行二期翻修术即一期手术取出原假体，彻底清创，置入抗生素骨水泥间隙垫，术后使用6周以上的敏感抗生素，二期手术作假体翻修术。结果：平均随访2年，无1例翻修的膝关节发生感染或无菌性松动。最近一次随访时平均膝关节功能评分从翻修术前的0分增加到术后的58分(20～100分)，平均膝关节疼痛评分从术前的38分(24～50分)增加到术后的93分(87—100分)。结论：应该尽量采用二期翻修术处理TKA术后感染，以彻底的清除感染灶，使病人获得良好的功能。     

采用二期翻修置换治疗TKA术后膝关节假体周围感染

目的探讨采用二期假体翻修置换治疗人工全膝关节置换(TKA)术后假体周围感染的疗效。方法对5例(5膝)TKA术后出现假体周围感染患者行二期假体翻修置换术:一期清创后,置入抗生素骨水泥旷置,术后使用6周敏感抗生素,停药后连续2次穿刺培养细菌阴性,C反应蛋白(CRP)和血沉(ESR)逐步下降至正常后行二期假体置换,并用抗生素骨水泥固定。结果术后5例均获平均随访20(3~36)个月,均无感染复发。HSS评分由术前平均38(10~60)分提高至术后6周的78(65~84)分,末次随访时HSS评分平均82(65~88)分,膝关节活动度平均86°(60~100°)。结论二期假体翻修置换可以彻底清除感染灶,并使膝关节获得良好的功能,是治疗TKA术后假体周围感染的有效方法。     

一期关节间置器置入治疗TKA术后感染

[目的]探讨一期关节间置器置入术治疗全膝关节置换(total knee arthroplasty,TKA)术后感染的临床疗效。[方法]2011年7月~2015年12月,TKA术后感染18例患者行手术治疗,其中男7例,女11例,年龄63~82岁,平均(72.72±5.29)岁。均为单侧膝关节置换,其中左膝10例,右膝8例;假体使用寿命1~24个月,平均(14.64±6.11)个月。手术采用彻底清创,一期关节间置器置入。采用美国膝节协会评分(KSS)、视觉模拟评分法(VAS)及膝关节活动度(ROM)和影像观察评估临床效果。[结果]18例患者术后伤口愈合良好,感染未复发。所有患者均随访24~48个月,平均(34.61±8.48)个月,术后1周及末次随访的KSS评分、VAS评分及膝关节ROM均明显改善,差异有统计学意义(P0.05);而术后1周与末次随访比较则无统计学意义(P0.05);术后随访期间X线检查均显示假体位置良好,无假体松动或脱位。[结论]一期关节间置器翻修术治疗TKA术后感染,可以有效地控制感染,患者可早期进行功能锻炼,且不影响日常生活,疗效确切,必要时还可进行二期置换翻修。对于年龄较大的患者是一种不错的选择。     

一期翻修术治疗全膝关节置换术后感染

目的 报告全膝关节置换(total knee arthroplasty,TKA)术后感染一期翻修术的方法,分析其近期随访疗效.方法 2005年4月至2009年12月施行TKA术后感染一期翻修术22例,其中资料完整的随访6个月以上的患者16例,男5例,女11例;年龄49～75岁,平均65岁.均明确诊断为单侧TKA术后关节腔内感染.慢性感染(Ⅲ型)14例,迟发血源性感染(Ⅳ型)2例.术前美国膝关节协会评分(Knee Society Score,KSS)的功能评分平均为(37.25±16.23)分.翻修距初次手术时间为2～73个月,平均23.9个月.术中彻底清除肉芽坏死组织及瘢痕,用碘伏浸泡伤口,脉冲冲洗.14例骨缺损严重者采用带延长柄髁限制型假体,2例采用表面假体,抗生素骨水泥固定.结果 随访6～59个月,平均25个月.1例手术失败,分析原因可能与清创不彻底有关,8个月后行二期再翻修.1例于术后9个月出现局部疼痛,红细胞沉降率和C反应蛋白增高,经抗生素治疗1个月后疼痛消失,实验室检查恢复正常.其余14例在随访期间均无感染复发或再感染.末次随访时KSS功能评分平均(85.88±12.85)分,患者满意率87.5%(KSS功能评分75分以上,14/16).结论 对TKA术后感染患者行一期翻修术,经术中彻底清创,牢固固定假体及正确使用抗生素,术后平均2年的随访疗效良好,具有治疗周期短、费用低的特点,患者满意度高.但其中长期结果还需进一步随访观察.

Abstract：

Objective To evaluate the short term clinical results of single-stage revision for infected total knee arthroplasty (TKA). Methods Twenty-two unilateral infected TKA were revised through onestage implant exchange using antibiotics loaded cement from April 2005 to December 2009. Sixteen patients who were followed up at least 6 months were included in this study. There were 5 male and 11 female with the mean age of 65 years old (range 49 to 75) in this group. Fourteen patients were diagnosed as late chronic infection (＞ 4 weeks) and 2 cases as hematogenous spread delayed infection. The average Knee Society Score (KSS) functional score was 37.25±16.23. The average time from primary arthroplasty to revision was 23.9months (range 2 to 73). During the operation, the inflammatory, necrotic and scar tissue must be removed radically. Constrained condyle knee (CCK) prosthesis with stem were used in 14 cases with severe bone loss and primary prosthesis were used in 2 cases. All cases were fixed with antibiotics-loaded cement. Results All cases were followed up for the average 25 months (range 6 to 59 months), Infection recurred in one case who had to undergo another two-stage revision. One case who complained of local knee pain with elevated ESR and CRP 9 months postoperatively responded to appropriate one-month course of antibiotic therapy. The average KSS functional score was 85.88±12.85 and the satisfactory rate was 87.5% at last follow-up. Conclusion Good outcomes can be reached by radical debridement, correct choice of implant, careful perioperative management, and effective antibiotics in single-stage revision for infected TKA.     

一种新型间隔器技术在膝关节置换术后感染二期翻修中的应用

目的探讨一种新型间隔器制作方法在全膝关节置换术（TKA）后假体周围感染治疗方面的可行性和有效性。方法本研究纳入2009年7月至2012年1月间收入院的6例TKA术后慢性深部感染患者,采用二期翻修手术治疗第一阶段彻底清创后使用消毒后的股骨假体、新内衬和抗生素骨水泥作为关节间隔器,确认感染控制后行第二阶段膝关节翻修手术。术后观察感染控制情况和关节功能恢复情况。结果共5例患者按计划接受新型间隔器的二期翻修术。平均随访时间（24．4±10．5）个月（8—37个月）;术前、间隔器安置后、二期翻修后平均HSS评分分别为（40±5．3）分（32-46分）,（47±2．6）分（43～50分）,（65．4±2．3）分（62～68分）。术前、间隔器安置后、二期翻修后平均关节活动度分别为（75°±3．5°）（70°-80°）,（94°±4．2°）（90°～100°）,（106。±4．20）（100°-110°）。总体感染消除率为83．3％。结论消毒后假体和抗生素骨水泥组成的间隔器在治疗TKA术后假体周围感染上有优良的临床前景。     

全膝关节置换术后膝关节疼痛的临床处理

目的 探讨全膝关节置换术(TKA)后膝关节疼痛的原因和临床处理方法.方法 2004年1月至2009年6月,收治TKA术后疼痛患者41例,其中男性9例9膝,女性32例35膝;年龄51～84岁,平均63.5岁.关节外疼痛6例中1例为1型复杂区域疼痛综合征(CRPS-1)行保守治疗,其余5例手术治疗.关节内疼痛35例中关节失稳4例、髌骨低位1例、假体悬挂致周围软组织磨损2例、胭肌腱撞击1例采用保守治疗,其余27例手术治疗.定期随访并记录膝关节美国膝关节学会评分(KSS评分)、疼痛视觉模拟评分(VAS评分).结果 41例均获随访,随访时间1～6年.关节外疼痛手术5例,末次随访VAS评分、KSS临床和功能评分分别为2.5±0.2、92.8±2.6和89.0±3.4,膝关节疼痛缓解,功能改善.1例CRPS-1保守治疗,效果尚可.关节内疼痛感染组12例中截肢1例、抗生素骨水泥隔体植入3例、二期翻修8例,随访感染均治愈,术后VAS、KSS临床和功能评分分别为3.8±0.2、88.3±4.6和85.0±4.6,和术前相比差异有统计学意义(P＜0.05).非感染组保守治疗8例,末次随访VAS、KSS临床和功能评分4.5±0.4、85.4±4.2和84.2±2.3;手术治疗15例,末次随访VAS、KSS临床和功能评分3.4±0.1、86.6±5.4和87.1±2.4,与术前相比差异有统计学意义(P＜0.05).结论 TKA术后疼痛需要对手术和患者情况进行系统评估以明确其原因,确诊后制定合理治疗方案一般可获得满意效果,确诊之前严禁手术干预.

Abstract：

Objective To evaluate causes and clinical management of postoperative pain after total knee arthroplasty(TKA). Methods From January 2004 to June 2009, 41 patients(44 knees)with knee pain post TKA were treated. There were 9 male and 32 female patients aging from 51 to 84 years with a mean of 63.5 years. The diagnosis followed to Brown diagnostic system. One case of extraarticular pain was complex regional pain syndrome type 1(CRPS-1)and underwent conservative treatment, the remaining 5cases were treated by surgery. Three cases of joint instability, 1 case of patellar baja, 2 cases of soft tissue impingement caused by overhang of the prosthesis, 1 case of popliteal tendon impact underwent conservative treatment, the other 27 cases underwent surgical intervention. The patients were followed up and the Knee Society Score(KSS)knee score, pain visual analog scale(VAS)score were recorded. Results Forty-one cases were followed up for 1 to 6 years. At the last time of follow-up, the 5 cases received surgical treatment to extra-articular pain showed VAS score as 2. 5 ± 0. 2, KSS clinical and functional score as 92. 8 ± 2. 6 and 89.0 ± 3.4. There was significantly difference compared with preoperative(P ＜ 0. 05). One case of CRPS-1 performed conservative treatment, the therapy was effective. In the infected 12 cases of intra-articular pain, 1 case received amputation, 3 cases received antibiotic bone cement insert, 8 cases received two stage revision. All infections were cured, and VAS score was 3. 8 ± 0. 2, KSS clinical score was 88. 3 ± 4.6,function score was 85.0 ± 4. 6 postoperatively, with significantly difference compared with preoperative(P ＜0. 05). In the 8 cases received conservative treatment in non-infected group, at the last time of follow-up,VAS score was 4. 5 ± 0. 4, KSS clinical and functional score was 85.4 ± 4. 2 and 84. 2 ± 2. 3, with significantly difference compared with preoperative(P ＜ 0. 05). Fifteen cases underwent surgical treatment,at the last time of follow-up, VAS score was 3.4 ± 0. 1, KSS clinical and functional score was 86. 6 ± 5.4and 87. 1 ± 2. 4, with significantly difference compared with preoperative(P ＜ 0. 05). Conclusions Patients with knee pain post TKA need systematic assessment to identify the causes. Appropriate treatment due to the positive diagnosis generally lead to satisfactory results, surgical intervention with indefinite causes is strictly prohibited.     

抗生素骨水泥间隔体在全膝关节置换术后感染二期翻修中的应用

 目的 总结关节型抗生素骨水泥间隔体技术治疗全膝关节置换术后迟发深部感染的技术要点与初步经验。方法 2006年1月至2009年2月接受二期翻修治疗的全膝关节置换术后迟发深部感染患者21例(21膝),男8例,女13例;年龄56～83岁,平均64.4岁。一期手术中彻底清创,取出假体,植入含高浓度万古霉素的关节型骨水泥间隔体;术后静脉滴注敏感抗生素2～8周,感染控制后二期植入翻修假体。结果 全部患者获得随访,随访时间17~54个月,平均32.2个月。无一例出现感染复发。终末随访时,KSS膝关节评分、功能评分、疼痛评分及膝关节活动范围均较术前明显改善,伸膝迟滞程度无明显加重。两次手术间隔平均11.5周。间隔体取出前后骨缺损程度未见明显改变。治疗期间未见明显肝、肾功能异常及伤口愈合不良、深静脉血栓形成、肺栓塞、心脑血管意外等并发症。结论 应用关节型抗生素骨水泥间隔体技术可在一定程度上保持间隔期内的膝关节功能、避免骨量丢失,相关并发症少。彻底清创、间隔期内使用敏感抗生素、准确判断翻修假体植入时机是治疗成功的关键。     

Infection after arthroscopic treatment of symptomatic total knee arthroplasty

Arthroscopy for failed total knee arthroplasty (TKA) is a well-documented and accepted procedure for diagnosis of component and soft tissue problems. Fortunately, infection is a rare complication of arthroscopy. To our knowledge, we present the second report of acutely infected TKA after arthroscopy. Two days after arthroscopic treatment because of painful TKA, a 72-year-old woman developed an acutely infected TKA. The patient underwent immediate arthroscopic irrigation and debridement, and treatment with intravenous antibiotics. The cultures from knee joint aspirates were positive for infection with the organism Staphylococcus aureus. Three days later, repeat open debridement with exchange of the tibial polyethylene insert was performed because of persistent fever and fluctuation. The patient was treated with antibiotics for 6 weeks postoperatively. At the latest follow-up evaluation, 26 months after revision, the patient was pain free, had full activities of daily living, and had no clinical or radiographic signs of infection. However, despite the success of arthroscopy in treating and evaluating painful TKA, this potential complication should be considered when performing arthroscopy of symptomatic TKA.     

二期翻修治疗膝关节肿瘤型人工关节感染

目的探讨二期翻修术治疗膝关节肿瘤型人工关节感染的疗效。方法 2003年8月-2010年8月,收治22例保肢术后膝关节肿瘤型人工关节感染患者。男11例,女11例;年龄15～55岁,平均29.6岁。其中20例为初次关节置换术后感染,2例为翻修术后;术后15 d～89个月发生感染。感染按照Coventry和Fitzgerald等人工关节感染分型标准:Ⅰ型3例,Ⅱ型15例,Ⅲ型4例。发生感染至该次入院时间为5～47个月,平均10.2个月。细菌培养提示阳性9例,阴性13例。2例出现发热,白细胞计数升高。一期清创术取出假体,临时骨水泥填充旷置;待感染控制后行二期翻修。结果一期清创术前C反应蛋白及红细胞沉降率均明显高于二期翻修术前,差异有统计学意义(P<0.05)。术后患者均获随访,随访时间5～63个月,平均23.6个月。一期清创术后18例(81.8%)感染控制,其中1例拒绝二期翻修,17例行二期翻修术;17例中1例因术后5个月感染复发,行截肢术。4例(18.2%)感染未控制,行截肢术。保肢率为77.3%(17/22)。1例肾癌骨转移患者因原发病于术后1年6个月死亡。末次随访时16例关节功能采用美国骨与软组织肿瘤学会功能评分(MSTS 93)为(69.4±12.7)分。结论肿瘤型人工关节重建后感染,应根据情况及时行二期翻修手术,可获得较好疗效。     

Cementless revision for infected total hip replacements

Our aim was to determine the success rate of repeated debridement and two-stage cementless revision arthroplasty according to the type of infected total hip replacement (THR). We enrolled 294 patients (294 hips) with an infected THR in the study. There were 222 men and 72 women with a mean age of 55.1 years (24.0 to 78.0). The rate of control of infection after the initial treatment and after repeated debridement and two-stage revisions was determined. The clinical (Harris hip score) and radiological results were evaluated. The mean follow-up was 10.4 years (5.0 to 14.0). The eventual rate of control of infection was 100.0% for early superficial post-operative infection, 98.4% for early deep post-operative infection, 98.5% for late chronic infection and 91.0% for acute haematogenous infection. Overall, 288 patients (98%) maintained a functioning THR at the latest follow-up. All the allografts appeared to be united and there were no failures. These techniques effectively controlled infection and maintained a functional THR with firm fixation in most patients. Repeated debridement and two-stage or repeated two-stage revisions further improved the rate of control of infection after the initial treatment and increased the likelihood of maintaining a functional THR.     

保留假体清创联合局部万古霉素治疗全膝关节置换术后早期感染

目的探讨保留假体清创联合局部关节腔注射万古霉素治疗人工全膝关节置换术后早期感染的临床疗效和可行性。方法回顾性分析2015年1月至2018年2月,我院人工全膝关节置换术后感染应用保留假体清创联合局部万古霉素治疗的24例临床资料,其中男性10例,女性14例;年龄56~79岁,平均(64.1±7.2)岁。外院感染22例,本院感染2例。病程12~28 d,平均(20.3±2.4)d。记录患者术前及末次随访的美国膝关节协会评分(knee society score,KSS)、美国特种外科医院(the hospital special surgery,HSS)膝关节评分、视觉模拟评分(visual analogue scale,VAS)、术后复发以及并发症情况,采用简易Likert量表法进行患者满意度评价。结果所有患者均获随访,随访时间8~41个月,平均(27.8±5.8)个月。手术成功率87.5%(21/24),术后并发症发生率16.7%(4/24)。本组病例术前KSS评分(52.3±9.8)分、HSS评分(54.7±10.3)分,末次随访分别为(83.4±18.0)分、(90.6±14.5)分,末次随访评分明显高于术前(P<0.05)。术前VAS评分为(6.3±1.8)分,末次随访降至(1.1±0.9)分,差异有统计学意义(P<0.05)。根据简易Liket量表,患者术后满意度为83.3%(20/24)。结论保留假体清创联合局部万古霉素治疗人工全膝关节术后早期感染是安全有效的,能够显著降低疼痛、提高膝关节功能,并有着较高的成功率及患者满意度,但远期疗效仍需进一步观察。     

深盘型假体对全膝关节置换初期疗效的影响

目的探讨深盘型假体对全膝关节置换初期疗效的影响。方法 2006年6月~2012年1月,本组应用深盘型垫片假体行TKA的76例（97膝）患者进行随访,随访时间2~6年,平均4.2年,其中女65例,男11例;年龄55~78岁,平均65.8岁;选择男女共76名志愿者,年龄在18~42岁之间,平均30.5岁,随机左右膝。对比TKA组术前、术后KSS评分、功能评分、膝关节ROM、股骨后髁偏心距;对比TKA组与志愿者组膝关节从伸直位到最大屈曲位时股骨相对于胫骨前后移动的距离。结果 TKA组手术前后膝关节KSS评分、功能评分及膝关节ROM比较,差异均有统计学意义（P〈0.05）,手术前后股骨后髁偏心距差异无统计学意义（P〉0.05）。TKA组膝关节从伸直位到最大屈曲位时股骨相对于胫骨向后移动距离之差（6.24±2.45）mm。志愿者组膝关节伸直至最大屈曲位时股骨相对于胫骨向后移动距离之差（10.87±1.49）mm,两者差异有统计学意义（P〈0.05）。1例术后出现伤口浅表感染,经处理后痊愈。1例术后出现膝关节假体周围感染,经二期翻修痊愈出院。术后随访X线片观察膝关节假体位置、力线、固定性能等均显示良好,无松动、透亮线等异常表现。结论使用深盘型膝关节假体行TKA术,初期临床疗效满意;TKA组术后膝关节伸直至最大屈曲位时股骨相对于胫骨后移距离较志愿者组短。     

Antibiotic-loaded articulating cement spacers in two-stage revision for infected total knee arthroplasty: individual antibiotic treatment and early results of 21 cases

Objective:To detail our early experience and technique of a modified two-stage reimplantation protocol using antibiotic-loaded articulating cement spacers (ALACSs) for treatment of late periprosthetic ...