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.jpg): Failed to open stream: No such file or directory in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 117 J+Ultrason
2015 ; 15
(60
): 85-95
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Standards of the Polish Ultrasound Society - update Ultrasound examination of
the visceral arteries
#MMPMID26676170
Elwertowski M
; Lechowicz R
J Ultrason
2015[Mar]; 15
(60
): 85-95
PMID26676170
show ga
Ultrasound examination is a valuable method in diagnosing visceral
vasoconstriction of atherosclerotic origin, as well as constriction related to
the compression of the celiac trunk. Given the standard stenosis recognition
criteria of >70%, the increase in peak systolic velocity (PSV) over 200 cm/s in
the celiac trunk; of PSV > 275 cm/s in the superior mesenteric artery, and of PSV
> 250 cm/s in the inferior mesenteric artery, the likelihood of correct diagnosis
is above 90%. In the case of stenosis due to compression of the celiac trunk by
median arcuate ligament of the diaphragm, a valuable addition to the regular
examination procedure is to normalize the flow velocity in the vessel, i.e. the
reduction in peak systolic velocity levels below 200 cm/s, and in end-diastolic
velocity (EDV) levels below 55 cm/s during deep inspiration. In the case of
celiac trunk stenosis exceeding 70-80%, additional information on the level of
collateral circulation can be obtained by measuring the flow in the hepatic and
splenic arteries - assessing the flow velocity, resistance, and pulsatility
indices (which fall below 0.65 and below 1.0 in cases of stenosis of the celiac
trunk with a reduced capacity of collateral circulation), as well as assessing
the changes in these parameters during normal respiration and during inspiration.
This paper discusses in detail the examination methods for the celiac trunk and
mesenteric arteries, as well as additional procedures used to confirm the
diagnosis and pathologies affecting visceral blood flow velocity, i.e.: cirrhosis
and hypersplenism. The publication is an update of the Polish Ultrasound Society
guidelines published in 2011.