• ZhiQiang Xue, WangJie Tu, JianQing Gao, ZeTao Dong, JianDong Yuan, and JunZhe Lang.
• Department of Orthopaedics, First Affiliated Hospital of Wenzhou Medical University, Wenzhou, 325035, Zhejiang Province, China.
• Eur J Trauma Emerg Surg. 2022 Oct 1; 48 (5): 4197-4203.

PurposeTo investigate the incidence and risk factors of preoperative DVT in elderly patients with intertrochanteric fracture of the femur and determine the optimal preoperative time.MethodsElectronic medical records of 358 patients over 60 years of age with intertrochanteric fractures from May 1, 2016, to May 1, 2019, were retrospectively analyzed. The preoperative group was divided into DVT and non-DVT. Univariate analysis was used for preliminary comparison, and multivariate logistic regression analysis was used to identify independent risk factors associated with DVT development. ROC curve was drawn to analyze the specificity and sensitivity of risk factors for DVT diagnosis. The diagnostic value of the model was analyzed by the ROC curve of multivariable combined diagnosis.ResultsA total of 358 patients who met the criteria were enrolled. The total prevalence of DVT before surgery was 8.38%. Multivariate logistic regression analysis showed that smoking status, preoperative time, albumin (ALB), D-dimer level, diabetes mellitus, and hypertension were independent risk factors for preoperative DVT. Preoperative time has the best sensitivity and specificity for diagnosing the occurrence of preoperative DVT. The ROC curve analysis model of multivariable combined diagnosis has a better diagnostic value.ConclusionsIn this study, elderly patients with intertrochanteric femur fracture had a higher incidence of deep vein thrombosis before surgery. Early identification of DVT-related risk factors may contribute to individualized risk assessment and preventing adverse outcomes in patients with intertrochanteric fractures.© 2022. The Author(s), under exclusive licence to Springer-Verlag GmbH Germany.

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