Bhatia Puneet K, Barnett Steven L, Lovell Timothy P, Hozack William J, Malkani Arthur L
University of Louisville, Louisville, Kentucky.
Hoag Orthopaedic Institute, Irvine, California.
J Arthroplasty. 2015 Aug;30(8):1397-402. doi: 10.1016/j.arth.2015.03.034. Epub 2015 Mar 31.
The purpose of this prospective multicenter study was to evaluate results of 122 revision THAs using a 2nd generation modular femoral implant in 120 patients. Majority of cases had significant femoral bone loss. HHS improved from a pre-operative mean score of 46 to 88 points, and SF-36 scores improved from 31 to 44 points at 2- to 5-year follow-up. There were 18 cases of intraoperative fractures of which 10 were femur shaft, 7 trochanteric, and 1 acetabular. Dislocation incidence was 9% and overall survivorship at 5 years was 97%. Use of modular femoral implants provides versatility and simplification to restore stability, limb length and offset in patients undergoing femoral component revision, Additional steps need to be undertaken to minimize incidence of fracture and dislocation.
这项前瞻性多中心研究的目的是评估120例患者使用第二代模块化股骨植入物进行的122次翻修全髋关节置换术（THA）的结果。大多数病例存在严重的股骨骨丢失。在2至5年的随访中，髋关节 Harris 评分（HHS）从术前平均46分提高到88分，36项简明健康状况调查（SF-36）评分从31分提高到44分。术中发生骨折18例，其中股骨干骨折10例，转子间骨折7例，髋臼骨折1例。脱位发生率为9%，5年总生存率为97%。模块化股骨植入物的使用为股骨部件翻修患者恢复稳定性、肢体长度和偏心距提供了灵活性和简便性，但需要采取额外措施以尽量减少骨折和脱位的发生率。
