Surgical Outcomes of Internal Fixation Using Multiple Screws in Femoral Neck Fractures with Valgus Impaction: When Should We Consider Hip Arthroplasty? A Retrospective, Multicenter Study

Purpose: We analyzed the surgical outcomes at two institutions after internal fixation using multiple screws in femoral neck fractures with valgus impaction to determine independent predictors and their cut-off values for nonunion and reoperation. Materials and Methods: Between January 2006 and Dece...

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Bibliographic Details
Published in:Hip & pelvis 2019-09, Vol.31 (3), p.136
Main Authors: Nam Hoon Moon, Won Chul Shin, Jae Hoon Jang, Han Ul Seo, Jung Yun Bae, Kuen Tak Suh
Format: Article
Language:Korean
Subjects:
Femoral neck fractures
Posterior tilt angle
Valgus angle
Valgus impaction
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Summary:Purpose: We analyzed the surgical outcomes at two institutions after internal fixation using multiple screws in femoral neck fractures with valgus impaction to determine independent predictors and their cut-off values for nonunion and reoperation. Materials and Methods: Between January 2006 and December 2016, 104 femoral neck fractures with valgus impaction that underwent internal fixation using multiple screws from two institutions were enrolled. The multiple logistic regression model and receiver operating characteristics analysis were used to determine the independent predictors and cut-off values for nonunion and reoperation. Results: There were 20 reoperations (19.2%) due to 11 nonunions (10.6%) and nine cases of femoral head osteonecrosis (8.7%). Multiple logistic regression analysis revealed that independent predictors of nonunion and reoperation were age and posterior tilt angle (P
ISSN:2287-3260