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KMID : 1207720230150010192
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Clinics in Orthopedic Surgery
2023 Volume.15 No. 1 p.192 ~ p.202
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Comparison of Cephalomedullary Nails with Sliding Hip Screws in Surgical Treatment of Intertrochanteric Fractures: A Cumulative Meta- Analysis of Randomized Controlled Trials
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Moon Nam-Hoon
Choi Min-Joon
Jang Jae-Hoon
Lee Sang-Min
Shin Won-Chul
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Abstract
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Background: The primary objective of the present study was to compare surgical failures of intertrochanteric fractures of the femur through a meta-analysis of randomized controlled trials and to assess the change in surgical outcomes over time in a cumulative meta-analysis.
Methods: To identify studies evaluating the surgical outcomes of internal fixation using sliding hip screws (SHS) or cephalomedullary (CM) nails for the treatment of intertrochanteric fractures of the femur, all records until August 2021 in the PubMed, Embase, and Cochrane Library databases were searched. Studies with the following characteristics were considered eligible: patients who had an intertrochanteric fracture of the femur (population); patients who received surgical treatment using a CM nail (intervention); patients who received surgical treatment using SHS (comparator); surgical failures that required reoperation, including cut-out or cut-through of lag screws, varus collapse or posterior angulation of proximal fragments, loosening of lag screws or helical blades, and fracture nonunion (outcomes); and two reviewers independently reviewed the titles and abstracts of the randomized controlled trials and selected relevant studies for a full-text review (study design).
Results: Twenty-one studies were included in the final analysis consisting of 1,777 cases in the SHS group and 1,804 cases in the CM nail group. The cumulative standard mean difference was 0.87, indicating that CM nails had no significant effect in improving the surgical outcomes. There was no significant difference in surgical failure between SHS and CM nails for all intertrochanteric fractures (odds ratio [OR], 1.07; 95% confidence interval [CI], 0.76?1.49). Pooled data showed no significant difference between the two groups in terms of surgical failure in unstable intertrochanteric fractures (OR, 0.80; 95% CI, 0.42?1.54).
Conclusions: Although the use of CM nails has become a current trend in the treatment of intertrochanteric fractures, there is no literature supporting their clinical superiority when compared with SHS.
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KEYWORD
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Cephalomedullary nail, Sliding hip screw, Intertrochanteric fracture, Cumulative meta-analysis
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