Document Detail


Doppler spectrum analysis versus direct femoral artery pressure measurement for rapid assessment of aortoiliac obstruction.
MedLine Citation:
PMID:  9315207     Owner:  NLM     Status:  MEDLINE    
Abstract/OtherAbstract:
Adequate patient selection is required to limit the clinical workload and improve the cost-effectiveness of noninvasive hemodynamic evaluation of the aortoiliac system. In a prospective blinded fashion the traditional invasive technique of direct femoral artery pressure measurements and the computerized Doppler spectrum analysis of blood flow velocities in the common femoral artery were studied. Both tests for rapid assessment of aortoiliac obstruction were compared with duplex ultrasonographic imaging, using a peak systolic velocity ratio of 2.5 to demonstrate stenoses of 50% or more. In a series of 17 consecutive patients (34 aortoiliac segments) with suspected aortoiliac obstructive disease, a good level of agreement (kappa = 0.6) was found for both methods when compared with duplex scanning. Analysis of deviations from the duplex registrations indicated an overestimation of the pathologic cases using femoral artery pressure measurements and an underestimation using Doppler spectrum analysis of blood flow velocities in the common femoral artery. Both methods were well tolerated, but femoral artery pressure measurements had a higher technical failure rate. Because of its noninvasive character and its feasibility the Doppler technique is preferred for the selection of patients for more extensive duplex sonographic investigation.
Authors:
J A van der Vliet; W N van Asten; J H Haenen; A P Boll; F G Buskens
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Publication Detail:
Type:  Comparative Study; Journal Article    
Journal Detail:
Title:  Journal of ultrasound in medicine : official journal of the American Institute of Ultrasound in Medicine     Volume:  16     ISSN:  0278-4297     ISO Abbreviation:  J Ultrasound Med     Publication Date:  1997 Aug 
Date Detail:
Created Date:  1997-11-04     Completed Date:  1997-11-04     Revised Date:  2006-11-15    
Medline Journal Info:
Nlm Unique ID:  8211547     Medline TA:  J Ultrasound Med     Country:  UNITED STATES    
Other Details:
Languages:  eng     Pagination:  525-8     Citation Subset:  IM    
Affiliation:
Department of Surgery, St. Radboud University Hospital, Nijmegen, The Netherlands.
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MeSH Terms
Descriptor/Qualifier:
Aortic Diseases / diagnosis*
Arterial Occlusive Diseases / diagnosis*
Blood Flow Velocity
Blood Pressure
Feasibility Studies
Femoral Artery / physiology*
Humans
Iliac Artery*
Prospective Studies
Ultrasonography, Doppler, Duplex*

From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine


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