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November 2021, Volume 15, Issue No. 3

Official Journal of Malaysian Orthopaedic Association and ASEAN Orthopaedic Association

Outcomes of the Surgical Treatment of Periprosthetic Fractures Around the Knee with Locking Plates: A Single Centre Experience

Abstract

Introduction: Surgical treatment options for periprosthetic fractures (PPF) include internal fixation with plate, intramedullary nailing and revision arthroplasty. We aimed at evaluating the surgical outcomes of patients who we had treated PPF with locking compression plates (LCP).

Materials and methods: Twenty patients with PPF after primary total knee arthroplasty (TKA) between 2009 and 2016 were included in to the study. Knee Society Knee Scoring System (KSKSS) was used in the evaluation of radiologic and functional outcomes. There were periprosthetic supracondylar femoral fractures in 15 patients, and that of tibial fractures in 5 patients. For internal fixation, locking compression plate was preferred.

Results: The mean age was 69 (range 61 to 78) years and the mean follow-up period was 72.25 (range 24 to 110) months. Union was achieved by 15.8 weeks in all the cases. Superficial infection and implant fracture were each seen in two patients. Revision operations were done to those patients with implant fracture. Mean KSKSS was 81.4 (75-87) and the mean functional score was 78.75 (75-85). Degenerative osteoarthritis patients were found to have higher age values

than post-traumatic osteoarthritis patients (p = 0.001). When the union times were compared, it was found that the degenerative osteoarthritis patient group had a significantly shorter union than the post-traumatic osteoarthritis patient group (p = 0.036).

Conclusion: Internal fixation with LCP is an effective treatment method in managing of PPF for patients with good bone stock. Rigid fixation should be done with the right surgical technique and an early movement must be initiated so that a good function can be achieved.

Abstract   |   Reference

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The Malaysian Orthopaedic Journal is a peer-reviewed journal that is published three times a year in both print and electronic online version. The purpose of this journal is to publish original research studies, evaluation of current practices and case reports in various subspecialties of orthopaedics and traumatology, as well as associated fields like basic science, biomedical engineering, rehabilitation medicine and nursing.

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