Academic Journals Database
Disseminating quality controlled scientific knowledge

Basic characteristics of duplexsonographyin the assessment of lower limb arterial circulation

Author(s): Vučaj-Ćirilović Viktorija | Nikolić Olivera | Petrović Kosta | Govorčin Mira | Hadnađev Dušan | Stojanović Sanja

Journal: Medicinski Pregled
ISSN 0025-8105

Volume: 59;
Issue: 5-6;
Start page: 287;
Date: 2006;
VIEW PDF   PDF DOWNLOAD PDF   Download PDF Original page

Keywords: ultrasonography | doppler | color | peripheral vascular diseases + ultrasonography | leg + blood supply | arterial occlusive diseases

Introduction. Dulpex and color duplex ultrasonography of lower limb arteries are valuable non-invasive diagnostic methods in the pathology of vascular diseases and a major step in diagnostics and in follow-up of hemodynamic and morphologic characteristics. Color Duplex Sonography. The method consists of image analysis and analysis of Doppler information. Real-time-B mode is used to visualize the anatomy of blood vessels and other pathological lesions. Doppler information based on the Doppler effect determine the pulse wave i.e. the shape of flow velocity - hemodynamic characteristics. Spectral analysis is the most important element ofDoppler examination of the lower limb peripheral arteries. Based on the spectral analysis, there are four stages of lower limb arterial disease: normal findings - 1%-19% diameter reduction; medium stenosis - artery diameter reduction of 20%-49%; high level stenosis - artery diameter reduction of 50%-100%; occlusion - no flow detected within the imaged arterial segment. In the first place, both iliac arteries are examined, which is followed with femoral, popliteal and crural arteries. The examination of iliac arteries is carried out with a 3.5 MHz transducer, and other peripheral arteries of the lower limbs are examined with a 7,5 or 5 MHz transducer. Conclusion. Color Doppler is an extremely valuable diagnostic method in detecting pathology of the lower limb arteries. With high reliability level arterial insufficiency and pathological arterial segments are diagnosed by a duplex-Doppler. .

Tango Jona
Tangokurs Rapperswil-Jona

     Save time & money - Smart Internet Solutions