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KMID : 1028220190310040206
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Hip & Pelvis
2019 Volume.31 No. 4 p.206 ~ p.215
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Cementless Bipolar Hemiarthroplasty for Low-energy Intracapsular Proximal Femoral Fracture in Elderly East-Asian Patients: A Longitudinal 10-year Follow-up Study
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Nishi Masanori
Okano Ichiro
Sawada Takatoshi
Midorikawa Natsuki
Inagaki Katsunori
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Abstract
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Purpose: Short-term outcomes following cemented and cementless hemiarthroplasties (HAs) are reported to be comparable, however, long-term outcomes of cementless HA?especially among Asian patients?is limited. We aimed to assess long-term outcomes in elderly East-Asian patients with intracapsular proximal femoral fractures treated with cementless HA.
Materials and Methods: We enrolled 135 patients treated with cementless HA who met our inclusion criteria. We documented bone/implant-related complications (e.g., incidences of revision hip surgery, femoral stem subsidence, dislocation, intraoperative and postoperative periprosthetic fractures, contralateral hip fractures). We included those patients who are still alive 10 years after the index surgery in the final functional analysis of the existence of pain, ambulatory status, and residential status.
Results: The mean age at injury was 78.3 years (range: 60?85 years). At the 10-year follow-up, 26 of the original patients (19.3%) had survived. During follow-up, revision hip surgery was conducted in two patients (1.5%). We recorded the incidence of intraoperative fractures, postoperative periprosthetic fractures, and contralateral fractures in two (1.5%), eight (5.9%), and six patients (4.4%), respectively. Among the 10-year survivors, six patients (23.1% of the survivors) complained of groin pain, but generally reported the pain to be tolerable.
Conclusion: Among elderly East-Asian patients, the incidence of revision surgery after cementless HA may be lower than that in their European counterparts, whereas the incidence of periprosthetic fractures can still be considerably higher. For patients undergoing cementless HA, prevention of such secondary fractures is of critical importance.
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KEYWORD
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Hip fractures, Femoral neck fractures, Osteoporosis
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