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- Title
Preoperative posterior tilt can be a risk factor of fixation failure in nondisplaced femoral neck fracture: a systematic review and meta-analysis.
- Authors
Wang, Wei; Huang, Zhifeng; Peng, Jing; Fan, Jun; Long, Xiaotao
- Abstract
Purpose: This systematic review and meta-analysis aimed to identify whether posterior tilt increases the risk of treatment failure in nondisplaced femoral neck fractures. Methods: We searched the databases of the PubMed, Embase, and Cochrane Library from 1980 to 2022. The search strategy was based on the combination of keywords "nondisplaced," "hip fracture," "femoral neck fracture," and "internal fixation." Cohort studies enrolled patients with nondisplaced (Garden I and Garden II) femoral neck fractures were included. Two investigators independently extracted data and the other two assessed the methodological quality. Data were analyzed using Review Manager software. Results: We analyzed 13 cohort trials with a pooled sample of 4818 patients, with posterior tilt ≥ 20° in 698 patients and < 20° in 3578 patients in 11 trials, and posterior tilt ≥ 10° in 483 patients and < 10° in 496 patients in 4 trials. All studies were of high quality based on Newcastle–Ottawa Scale evaluation. Treatment failure was reported in 24.4% (170/698) of patients with posterior tilt ≥ 20° and 10.9% (392/3578) of patients with posterior tilt < 20°, indicating that posterior tilt ≥ 20° was significantly associated with a higher risk of treatment failure (Risk ratio, 2.73; 95% confidence interval [CI], 1.77–4.21). Posterior tilt ≥ 10° was not found to be a risk factor for fixation failure (risk ratio, 1.92; 95% CI 0.76–4.83). Conclusion: Nondisplaced femoral neck fractures with posterior tilt ≥ 20° were associated with an increasing rate of failure when treated with internal fixation. Level of evidence : III, Systematic review and meta-analysis.
- Subjects
ONLINE information services; MEDICAL databases; META-analysis; MEDICAL information storage &; retrieval systems; CONFIDENCE intervals; PREOPERATIVE period; SYSTEMATIC reviews; SURGICAL complications; TREATMENT failure; RISK assessment; FRACTURE fixation; QUALITY assurance; DESCRIPTIVE statistics; MEDLINE; DATA analysis software; ODDS ratio; PATIENT positioning; FEMORAL neck fractures; DISEASE risk factors
- Publication
European Journal of Orthopaedic Surgery & Traumatology, 2023, Vol 33, Issue 7, p3197
- ISSN
1633-8065
- Publication type
Article
- DOI
10.1007/s00590-023-03518-w