• Injury · Dec 2019

    Mid-term survivals of cemented calcar-replacement bipolar hemiarthroplasty for unstable intertrochanteric fractures in elderly patients.

    • Adem Cobden, Yalkin Camurcu, Serda Duman, Ahmet Kocabiyik, Mehmet Kıs, and Nuh Saklavcı.
    • Kayseri City Hospital, Department of Orthopaedics and Traumatology, 38080, Kayseri, Turkey. Electronic address: dradem33k@gmail.com.
    • Injury. 2019 Dec 1; 50 (12): 2277-2281.

    BackgroundThe literature has limited evidence regarding the mid-term survivals of cemented calcar-replacement bipolar hemiarthroplasty (HA) in elderly patients with unstable intertrochanteric (IT) fracture. The purpose of the present study was to evaluate clinical and radiological outcomes of cemented calcar-replacement bipolar HA for unstable IT fractures in elderly patients.MethodsOne hundred and twenty-two patients with the mean age of 80.6 years were enrolled in this retrospective study after they met the selection criteria. Demographics, main clinical characteristics, and operative data were recorded for all patients. Functional outcomes were assessed according to Koval's categories. Clinical and radiological evaluations were performed. Kaplan-Meier survival analysis was used to construct the cumulative survival rate. The mean follow-up time was 25.7 ± 2.9 months (ranges 0-72 months).ResultsBased on Koval's categories, 3 or 4-level decrease was detected in 21 patients (17%). Three patients (2 periprosthetic infections, 1 periprosthetic fracture) underwent reoperation during follow-up. No patient underwent revision of bipolar HA prosthesis. Femoral stem loosening and stem subsidence was the most common complication, observed in 22 patients (18%), followed by acetabular erosion that was seen in 12 patients (9.8%). The mean cumulative survival rate of prosthesis was 56.5% (95% confidence interval: 51.3-61.6).ConclusionBased on the results of our study, cemented calcar-replacement HA is an appropriate treatment option in elderly patients with unstable IT fractures owing to the advantages of satisfactory functional outcomes and lower reoperation rates. However, orthopedic surgeons should consider the low survival rates of cemented calcar-replacement HA prosthesis because of the increased femoral loosening in osteoporotic elderly patients.Copyright © 2019. Published by Elsevier Ltd.

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