Abstract
This study was to determine the clinical diagnostic value of D-dimer for DVT in patients with ischemic stroke. During July 2013 to December 2014, a cohort study of ischemic stroke patients who presented with symptoms of DVT in upper or lower extremities was performed, with a total of 255 patients at baseline. D-dimer levels were measured from each patient using Colour Doppler Ultrasonography (CDUS), and all patients underwent venous duplex examinations. In ours study, 56 patients were diagnosed as DVT (22.0%). When compared to the patients without-DVT, a significantly increased trend of plasma D-dimer levels was found in stroke patients with DVT [3.07 (IQR, 2.26-4.05)mg/L VS. 0.54 (IQR, 0.27-1.14) mg/L; P<0.0001]. From the analysis results of the ROC curve, optimal cutoff value was 1.51 mg/L for diagnosing of DVT (sensitivity: 91.1 %; specificity: 85.4%; the AUC: 0.914 [95%CI, 0.878—0.950; P<0.001]). If cut-off value of 0.5 mg/L, the diagnosis sensitivity was 100%, the specificity was 46.2%, and the positive predictive value was 34.3%. In addition, 36.1% (92/255) stroke patients who suspected with DVT did not need perform CDUS, and those patients could be excluded by plasma D-dimer tested. Collectively, plasma D-dimer level may have a guiding meaning for diagnosing DVT in ischemic stroke patients, and the D-dimer assay is a reliable method for ruling out DVT.
Keywords: Deep venous thrombosis, ischemic stroke, D-dimer, diagnostic value.
Current Neurovascular Research
Title:Plasma Level of D-dimer is an Independent Diagnostic Biomarker for Deep Venous Thrombosis in Patients with Ischemic Stroke
Volume: 13 Issue: 2
Author(s): Xiang-li Kong, Xiang Zhang, Shi-jun Zhang and Lei Zhang
Affiliation:
Keywords: Deep venous thrombosis, ischemic stroke, D-dimer, diagnostic value.
Abstract: This study was to determine the clinical diagnostic value of D-dimer for DVT in patients with ischemic stroke. During July 2013 to December 2014, a cohort study of ischemic stroke patients who presented with symptoms of DVT in upper or lower extremities was performed, with a total of 255 patients at baseline. D-dimer levels were measured from each patient using Colour Doppler Ultrasonography (CDUS), and all patients underwent venous duplex examinations. In ours study, 56 patients were diagnosed as DVT (22.0%). When compared to the patients without-DVT, a significantly increased trend of plasma D-dimer levels was found in stroke patients with DVT [3.07 (IQR, 2.26-4.05)mg/L VS. 0.54 (IQR, 0.27-1.14) mg/L; P<0.0001]. From the analysis results of the ROC curve, optimal cutoff value was 1.51 mg/L for diagnosing of DVT (sensitivity: 91.1 %; specificity: 85.4%; the AUC: 0.914 [95%CI, 0.878—0.950; P<0.001]). If cut-off value of 0.5 mg/L, the diagnosis sensitivity was 100%, the specificity was 46.2%, and the positive predictive value was 34.3%. In addition, 36.1% (92/255) stroke patients who suspected with DVT did not need perform CDUS, and those patients could be excluded by plasma D-dimer tested. Collectively, plasma D-dimer level may have a guiding meaning for diagnosing DVT in ischemic stroke patients, and the D-dimer assay is a reliable method for ruling out DVT.
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Cite this article as:
Kong Xiang-li, Zhang Xiang, Zhang Shi-jun and Zhang Lei, Plasma Level of D-dimer is an Independent Diagnostic Biomarker for Deep Venous Thrombosis in Patients with Ischemic Stroke, Current Neurovascular Research 2016; 13 (2) . https://dx.doi.org/10.2174/1567202613666160316154349
DOI https://dx.doi.org/10.2174/1567202613666160316154349 |
Print ISSN 1567-2026 |
Publisher Name Bentham Science Publisher |
Online ISSN 1875-5739 |
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