By F. Frühwald, D. E. Blackwell (auth.), Dr. Franz X. J. Frühwald M.D., Dr. D. Eric Blackwell M.D. (eds.)
For these folks who've been linked to the sector of ultrasound imaging of the arterial procedure due to the fact its infancy, this contribution through Friihwald and Blackwell presents the resource the place the result of over 30 years of hard-won advances are available. The editors and participants summarize this burgeoning box of their lucidly written, attention-grabbing, and actual treatise. starting with chapters on actual rules and technical concerns, together with the way to alter apparatus for most sensible photos, they think about forthwith carotid and vertebral sickness in striking chapters with colour photos of startling defini tion. additionally incorporated are diagrams during which vascular constructions are truly on the topic of well-labeled anatomical landmarks. No different atlas comprises the standard of colour photos and photograph monitors which those editors have compiled. Now that surgical remediation of stenosis of the extracranial carotid and, possibly, additionally the vertebral arteries has been tested powerful there'll definitely be an explosion within the use of this complex expertise to spot applicable sufferers and to stick with lesions longitudinally over the years. to complete this, fine quality photographs made by way of expert sonogra phers are the very important part and this booklet units criteria during this domain.
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Extra info for Atlas of Color-Coded Doppler Sonography: Vascular and Soft Tissue Structures of the Upper Extremity, Thoracic Outlet and Neck
In addition to the variability in configuration, there is also a great deal of variability in magnitude and duration of flow reversal (Figs. 13, 14). Therefore it is difficult to attach any significance to particular flow patterns in asymptomatic individuals. Perhaps long-term follow-up studies will determine if any particular flow pattern places an individual at risk for the development of focal atherosclerotic disease. The inability to separate normal from abnormal flow conditions induced by carotid plaques has been a major problem for conventional sonographic techniques.
A color Doppler ultrasound duplication artifact. J Ultrasound Med 9(9): 487 -493 Mitchell DG (1990) Color Doppler imaging: Principles, limitations, and artifacts. Radiology 177: 1-10 Mitchell DG, Burns P, Needleman L (1990) Color Doppler artifact in anechoic regions. J Ultrasound Med 9(5):255-260 Oates CP, Williams ED, McHugh MI (1990) The use of a duplex ultrasound scanner to measure volume flow in arterio-venous fistulae in patients undergoing haemodialysis: an analysis of measurement uncertainties.
Hiibsch reported agreement of duplex and angiographic estimates in 54% of cases with stenosis in the 30- 70% range; Roederer et al. reported a concordance of 86% for 50-79% stenosis, but only 71 % for 80-99% stenoses. Fell et al. found a correct estimation in only 72% of 50-99% stenoses and Zwiebel et al. over- or undergraded 31 % of carotid stenoses. Jacobs et al. found the overall accuracy of duplex scanning improved during the course of their study; after 6 months 89% of 5190% stenoses were classified correctly.
Atlas of Color-Coded Doppler Sonography: Vascular and Soft Tissue Structures of the Upper Extremity, Thoracic Outlet and Neck by F. Frühwald, D. E. Blackwell (auth.), Dr. Franz X. J. Frühwald M.D., Dr. D. Eric Blackwell M.D. (eds.)