Wells criteria for DVT is a reliable clinical tool to assess the risk of deep venous thrombosis in trauma patients
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RESEARCH ARTICLE
Open Access
Wells criteria for DVT is a reliable clinical tool to assess the risk of deep venous thrombosis in trauma patients Shrey Modi2, Ryan Deisler2, Karen Gozel1, Patty Reicks1, Eric Irwin1, Melissa Brunsvold2, Kaysie Banton1,2 and Greg J. Beilman1,2*
Abstract Background: Deep Vein Thrombosis (DVT) is a common complication in trauma patients. Venous duplex surveillance is used widely for the diagnosis of DVT, however, there is controversy concerning its appropriate use. The Wells criterion is a clinically validated scoring system in an outpatient setting, but its use in trauma patients has not been studied. This study evaluated the application of the Wells scoring system in trauma population. Methods: Wells scores were calculated retrospectively for all patients who were admitted to the trauma service and underwent Venous Duplex Scanning (VDS) at the author’s institution between 2012 and 2013. Correlation of Wells score with DVT and its efficacy in risk stratifying the patients after trauma was analyzed using linear correlation and receiver operating characteristic (ROC) curve. Sensitivity and specificity of Wells score in ruling out or ruling in DVT were calculated in various risk groups. Results: Of 298 patients evaluated, 18 (6 %) patients were positive for DVT. A linear correlation was present between Wells score and DVT with R2 = 0.88 (p = 0.0016). Median Wells score of patients without DVT was 1 (1–3) compared to a median score of 2 (1–5) in those with DVT (p < 0.0001). In low risk patients (scores
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