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Value of duplex scanning in evaluation of crural and foot arteries in limbs with severe lower limb ischaemia: a prospective comparison with angiography
Uppsala University, Disciplinary Domain of Medicine and Pharmacy, Faculty of Medicine, Department of Surgical Sciences.
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1996 (English)In: European Journal of Vascular and Endovascular Surgery, ISSN 1078-5884, E-ISSN 1532-2165, Vol. 12, no 3, 300-303 p.Article in journal (Refereed) Published
Abstract [en]

OBJECTIVES: To compare Duplex scanning with angiography for evaluation of crural and pedal arteries in limbs with lower limb ischaemia.

DESIGN: The findings obtained during Duplex scanning and angiography were prospectively compared in a blinded manner.

SETTING: Departments of Surgery, Diagnostic Radiology and Clinical Physiology, University Hospital.

MATERIALS: Duplex scanning and selective angiography of femoropopliteal, crural and foot arteries were performed in 40 limbs (38 patients, 480 segments) with intermittent claudication (n = 6), rest pain (n = 13) and ulcer/gangrene (n = 19). Each arterial segment were graded into four categories: normal, < or = 50% diameter reduction, > 50% diameter reduction and occlusion. Pedal arteries were evaluated as patency or occlusion of dorsal pedal artery and plantar arch. Chief outcome measures: Accuracy (AC), sensitivity (SE), specificity (SP), positive predictive (PPV), negative predictive (NPV) and kappa values.

MAIN RESULTS: The Duplex scanning of the tibioperoneal trunk, crural and pedal arteries had an accuracy of 80% (kappa = 0.6). The SE, SP, PPV and NPV values were 83%, 77%, 79% and 81%, respectively. The SP was relatively low for the peroneal artery (58%) compared to the others.

CONCLUSIONS: The results demonstrate the feasibility and reliability of Duplex scanning in detecting crural and pedal artery lesions in lower limbs with severe ischaemia.

Place, publisher, year, edition, pages
1996. Vol. 12, no 3, 300-303 p.
National Category
Medical and Health Sciences
URN: urn:nbn:se:uu:diva-58369DOI: 10.1016/S1078-5884(96)80248-6PubMedID: 8896472OAI: oai:DiVA.org:uu-58369DiVA: diva2:86279
Available from: 2008-10-17 Created: 2008-10-17 Last updated: 2010-11-18Bibliographically approved

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