Diagnostic Evaluation of Bedside Color Doppler Ultrasound Combined with Coagulation-fibrinolysis Markers in ICU Patients with Lower Extremity DVT

doi:10.7517/issn.1674-0475.220317

Abstract

Abstract: This study investigated the value of bedside color Doppler ultrasound and coagulation-fibrinolysis markers examination in diagnosing intensive care unit (ICU) patients complicated with lower extremity deep vein thrombosis and the effect of cluster nursing intervention measures. 164 patients with deep vein thrombosis in the lower extremities who were highly suspected of being treated in the ICU were selected as the research subjects. According to whether patients complicated with deep vein thrombosis (DVT) diagnosed by ultrasound venous angiography, they were divided into 94 cases in the DVT group and 70 cases in the non-DVT group, and all patients received bedside color Doppler ultrasound and coagulation-fibrinolysis index examination. The patients in the DVT group were randomly divided into the intervention group and the control group with 47 cases in each group, at the same time both groups were treated with thrombolysis and/or anticoagulation, and the intervention group was also given bundled interventions. The results showed that the values of fibrinogen (Fib), D-dimer (D-D), platelet aggregation rate (PAgT) and thrombin-antithrombin III complex (TAT) in the DVT group were all higher than those in the non-DVT group (P<0.05). In 94 patients with DVT, the overall coincidence rates of ultrasound diagnosis of DVT and ultrasound angiography was 77.66%. The sensitivity of ultrasound in diagnosing DVT was 77.66% and the specificity was 78.57%. After 5 and 7 days of treatment, the limb circumferences of the patients in the intervention group 15 cm above the patella and 10 cm below the patella were smaller than those in the control group (P<0.05). The bedside color Doppler ultrasound and coagulation-fibrinolysis markers examination are of certain value in detecting ICU patients complicated with lower extremity deep vein thrombosis. Combining cluster intervention on the basis of thrombolysis in DVT patients can achieve thrombolysis effect as soon as possible, and relieve the clinical symptoms of patients.

Key words: bedside color Doppler ultrasound, coagulation-fibrinolysis index, intensive care unit, lower extremity deep vein thrombosis, clustered nursing

JIAO Qingfeng, LU Meili, PAN Yingchun, HE Yuanling, YANG Xiaofan. Diagnostic Evaluation of Bedside Color Doppler Ultrasound Combined with Coagulation-fibrinolysis Markers in ICU Patients with Lower Extremity DVT[J]. IMAGING SCIENCE AND PHOTOCHEMISTRY, 2022, 40(5): 1128-1132.

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