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KMID : 1028220180300040269
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Hip & Pelvis
2018 Volume.30 No. 4 p.269 ~ p.275
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Cement Augmentation of Dynamic Hip Screw to Prevent Screw Cut Out in Osteoporotic Patients with Intertrochanteric Fractures: A Case Series
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Rai Avinash Kumar
Goel Rajesh
Bhatia Chirag
Singh Sumer
Thalanki Srikiran
Gondane Ashwin
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Abstract
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Purpose: The purpose of this study is to describe a method of inserting cement in the femoral head before fixation with dynamic hip screw to prevent screw cut out due to osteoporosis and to evaluate its clinical outcome in these patients.
Materials and Methods: In this prospective study, 30 patients aged 60 years and older with intertrochanteric fracture were included. Bone mineral density was measured. After reaming of the femoral head and neck with a triple reamer and polymethyl methacrylate, bone cement was introduced into the femoral head using a customized nozzle and a barrel fitted on a cement gun. A Richard screw was inserted and the plate was fixed over the femoral shaft. Patients were mobilized and clinical outcomes were rated using the Salvati and Wilson's scoring system.
Results: More patients included in this study were between 66 and 70 years old than any other age group. The most common fracture according to the Orthopaedic Trauma Association classification was type 31A2.2 (46.7%). The T-score was found to be ?2.506±0.22 (mean±standard deviation); all patients were within the range of ?2.0 to ?2.8. The duration of radiological union was 13.67±1.77 weeks. Salvati and Wilson's scoring at 12 months of follow up was 30.96±4.97. The majority of patients were able to perform their normal routine activities; none experienced implant failure or screw cut out.
Conclusion: Bone cement augmentation may effectively prevent osteoporosis-related hardware complications like screw cut out in elderly patients experiencing intertrochanteric fractures.
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KEYWORD
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Aged, Osteoporosis, Hip fractures, Polymethyl methaacrylate
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