Revision knee arthroplasty using a modular system manufactured in Brazil. Clinical and radiographic results with a mean nine-year follow-up.

IF 2.2 4区医学 Q2 MEDICINE, GENERAL & INTERNAL

Clinics Pub Date : 2024-10-05 eCollection Date: 2024-01-01 DOI:10.1016/j.clinsp.2024.100508

Francisco Fontes Cintra, Mauricio Etchebehere, Eduardo Rached, Giancarlo Cavenaghi, Paulo Eduardo Dias Rahal, Rodrigo Gonçalves Pagnano

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引用次数: 0

Abstract

Objective: To demonstrate the clinical and radiographic results of revision knee arthroplasty using a modular system manufactured in Brazil.

Methods: Between November 2010 and January 2017, 31 revision knee arthroplasties were performed in 30 patients, using the MB-V system. Patients were assessed clinically and radiographically after a minimum follow-up of two years using the following scores: Knee Society Score (KSS), Knee Society Score ‒ Function (KSS ‒ Function), and Knee Society Roentgenographic Evaluation System (KSRES).

Results: Among the patients, 19 were women. The mean age at surgery was 68 years. The mean follow-up was 9.1 years. There was no aseptic loosening in this period. The mean values of KSS, KSS-function, and KSRES were, respectively, 82, 77, and less than 4. One patient evolved with postoperative flexion instability. Two knees became infected, requiring the removal of the prosthesis and implantation of spacers loaded with antibiotics. One patient developed arthrofibrosis. One patient had a dislocation with full medial collateral avulsion and had to be re-operated with an insert exchange to a CCK liner and medial collateral reconstruction as proposed by Krakow.

Conclusion: This implant had 93.5 % survivorship (no cases of aseptic failure) and good results in 27 out of 31 knees (87 % of the surgeries).

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使用巴西制造的模块化系统进行翻修膝关节置换术。平均九年的临床和放射学随访结果。

目的展示使用巴西生产的模块化系统进行翻修膝关节置换术的临床和影像学效果：2010年11月至2017年1月期间，使用MB-V系统为30名患者实施了31例翻修膝关节置换术。在至少两年的随访后，使用以下评分对患者进行了临床和影像学评估：膝关节社会评分（KSS）、膝关节社会评分-功能（KSS-功能）和膝关节社会造影评估系统（KSRES）：结果：患者中有 19 名女性。手术时的平均年龄为 68 岁。平均随访时间为 9.1 年。在此期间没有发生无菌性松动。KSS、KSS-功能和KSRES的平均值分别为82、77和小于4。一名患者术后出现屈曲不稳。两名患者的膝盖受到感染，需要移除假体并植入含有抗生素的垫片。一名患者出现关节纤维化。一名患者出现脱位，内侧副骨完全撕脱，不得不按照克拉科夫的建议重新手术，将假体更换为CCK衬垫并重建内侧副骨：该假体的存活率为93.5%（无无菌失败病例），31个膝关节中有27个（87%的手术）效果良好。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

Clinics 医学-医学：内科

CiteScore

4.10

自引率

3.70%

发文量

129

审稿时长

52 days

期刊介绍： CLINICS is an electronic journal that publishes peer-reviewed articles in continuous flow, of interest to clinicians and researchers in the medical sciences. CLINICS complies with the policies of funding agencies which request or require deposition of the published articles that they fund into publicly available databases. CLINICS supports the position of the International Committee of Medical Journal Editors (ICMJE) on trial registration.