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  • Title: [Value of color-coded duplex ultrasound in evaluating arm blood vessels--arteries and hemodialysis shunts].
    Author: Wittenberg G, Schindler T, Tschammler A, Kenn W, Hahn D.
    Journal: Ultraschall Med; 1998 Feb; 19(1):22-7. PubMed ID: 9577889.
    Abstract:
    AIM: Comparison of colour coded duplex sonography (CCDS) to angiography in visualizing arteries and haemodialysis fistulas of the upper extremity. METHOD: 1145 arterial and vein segments were visualised using CCDS and angiography in 219 patients by different examiners with different degrees of experience. Sensitivity, specificity and accuracy were calculated. RESULTS: For the arterial segments--subclavian artery up to the distal lower arm arteries--the sensitivity was 90% and the specificity 99%. The sensitivity for the detection of vascular alterations in haemodialysis fistulas was 89% and the specificity 95%. CONCLUSION: CCDS may be able to replace diagnostic angiography of the arm except when evaluating the hand arteries and the central veins.
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