Abstract
Objective To evaluate the different value of color Doppler ultrnsonography and Doppler vascular examinations in diagnosis for deep venous thrombosis(DVT)in the lower extremities.Methotis Imaging of color Doppler ultrasound scanning was employed as diagnostic criteria for DVT on 178 lower extremities of 146 suspected patients,as compared to the result by Doppler vascular examinations.Results Color Doppler ultrasonograph showed hish accuracy in diagnosis for DVT,as compared to that by Doppler vascular examination with 97.9 percent(142/145)positive for the femoral and popliteal veins and relatively lower positive diagnostic vallie for thrombosis in the inferior vena cava,iliac vein,anterior tibial vein,posterior tibial vein and calf veins.Conclusions Color Doppler ultrasonography is superior to Doppler vascular examination in determining DVT of the lower extremities and can be used as a main diagnostic method for it.Doppler vasculiar examination can be used as an initial screening method for DVT and deep venous angiography should not be used as a routine diagnostic measure for it. Key words: Utrasonography,Doppler,color; Peripheral vascular disease; Lower extremity; Venous thrombosis
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