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Journals / Acta Orthopaedica et Traumatologica Turcica / 2014 / Cilt: 48 - Sayı: 4

Cementless bipolar hemiarthroplasty for unstable intertrochanteric fractures in octogenarians

Yeesuk KIM
Jun-Ki MOON
Kyu-Tae HWANG
Il-Yong CHOI
Young Ho KIM
Pages
424–430
DOI
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AI Summary & Key Takeaways

AI Insight
⚡ TL;DR(Too Long; Didn't Read)

However, stable fixation of the posteromedial fragment is necessary to avoid stem subsidence.

📌 3 Key Takeaways

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Objective & Hypothesis:Objective: The aim of this study was to evaluate the clinical and radiographic outcomes of bipolar hemiarthroplasty with cementless stem for the unstable intertrochanteric fracture in octogenarians and to determine the influencing factors associated with subsidence of the stem.Methods: The study included the 143 hips of 139 patients (119 females, 20 males).
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Key Findings & Data:Mean followup period was 3.8 (range: 2.2 to 9.0) years.
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Conclusion & Impact:However, stable fixation of the posteromedial fragment is necessary to avoid stem subsidence.
🔬Design:Research Article
📍Scope:Comprehensive Sample
⚙️Variables:Domain Parameters

Abstract

Objective: The aim of this study was to evaluate the clinical and radiographic outcomes of bipolar hemiarthroplasty with cementless stem for the unstable intertrochanteric fracture in octogenarians and to determine the influencing factors associated with subsidence of the stem.Methods: The study included the 143 hips of 139 patients (119 females, 20 males). Mean followup period was 3.8 (range: 2.2 to 9.0) years. The displaced lesser trochanteric fragment was reduced anatomically and fixed with 16-gauge stainless steel cerclage wire. Clinical outcomes included Harris Hip Score (HHS), thigh pain, groin pain and walking ability. Radiographic outcomes included stem fixation and stability, osteolysis, heterotopic ossification and subsidence. The stable reduction group was determined when anatomic reduction of posteromedial fragments was achieved with <=1 mm gap of fragment.Results: Mean HHS was 82 (range: 78 to 99) at the final follow-up. Thirty-one hips (21.7%) experienced thigh pain and 19 (13.3%) groin pain. One hundred and twelve patients (80.6%) regained their pre-injury level of ambulation. All femoral stems showed osseointegration without aseptic loosening and osteolysis. The mean stem subsidence was 3.1±2.4 (range: 0 to 18) mm. The extent of subsidence was significantly higher in patients with unstable reduction. The survival rate was 94.2%.Conclusion: Cementless bipolar hemiarthroplasty appears to be a suitable method for the treatment of intertrochanteric fracture in octogenarians. However, stable fixation of the posteromedial fragment is necessary to avoid stem subsidence.

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Cite This Article

KIM, Y., MOON, J., HWANG, K., CHOI, I., KIM, Y. H. (2014). Cementless bipolar hemiarthroplasty for unstable intertrochanteric fractures in octogenarians. Acta Orthopaedica et Traumatologica Turcica, Cilt: 48 - Sayı: 4, 424–430. https://ajindex.com/articles/353992

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