贪婪皮肤杆菌致人工肩关节置换术后感染1例并文献复习

Infection following shoulder arthroplasty caused by Cutibacterium avidum : a case report and literature review

目的 探讨贪婪皮肤杆菌引起的人工关节假体周围感染(PJI)的临床特点及诊治方案。方法 总结1例贪婪皮肤杆菌引起的PJI患者的诊疗过程,检索数据库相关文献进行复习。结果 患者女性,65岁,身体质量指数(BMI)31.1 kg/m2,左肱骨近端骨折后行“左肱骨头假体置换术”,术后10个月伤口愈合不良伴渗出,左肩关节活动受限,诊断为人工肩关节置换术后感染。行感染扩创病灶清除术及假体取出术,组织、骨水泥、假体均培养出贪婪皮肤杆菌。检索并筛选出4篇文献,共报道30例因贪婪皮肤杆菌引起PJI的患者(髋关节28例,肩关节2例),78.6%(22例)的人工髋关节假体(THA)手术采用直接前入路(DAA);术前关节液培养阳性率为71.4%,29例进行外科手术结合敏感抗菌药物治疗;除一例患者反复感染,行3次手术外,其他患者预后良好。结论 贪婪皮肤杆菌引起的PJI常见于肥胖且采用DAA的THA患者,少数病例也见于人工肩关节置换术后。术前受累关节穿刺微生物培养敏感性较高,可为手术策略与抗感染方案的制定提供重要依据。

Objective To explore the clinical characteristics and treatment scheme of periprosthetic joint infection(PJI)caused by Cutibacterium avidum(C.avidum).Methods The diagnosis and treatment process of a patient with PJI caused by C.avidum was summarized,and relevant literatures in the database were retrieved for review.Results A 65-year-old female patient with body mass index(BMI)of 31.1 kg/m 2 underwent left humeral head prosthesis replacement surgery following a left proximal humerus fracture.Ten months after the surgery,the patient exhibited poor wound healing and oozing,along with limited movement of the left shoulder joint,and was diagnosed infection following shoulder arthroplasty.Patient underwent debridement of the infected lesion and removal of the prosthesis.The tissue,bone cement and prosthesis were cultured for C.avidum.Four literatures were retrieved and screened,a total of 30 patients with PJI(28 cases hip joint infection and 2 cases shoulder joint infection)caused by C.avidum were reported through literature retrieval,and 78.6%(n=22)total hip arthroplasty(THA)surgeries were performed using direct anterior approach(DAA).The positive rate of preoperative joint fluid culture was 71.4%,29 cases underwent surgical combined with sensitive antimicrobials treatment.Except for one patient who had repeated infection and underwent three surgeries,other patients had a good prognosis.Conclusion PJI caused by C.avidum is mostly seen in THA patients who are obese and undergo DAA,with a few cases reported after shoulder arthroplasty.The high sensitivity of preoperative joint fluid culture provides an important basis for the development of surgical strategies and anti-infection protocols.