Document Detail


The diagnostic accuracy of duplex ultrasonography for evaluating carotid bifurcation.
MedLine Citation:
PMID:  8053509     Owner:  NLM     Status:  MEDLINE    
Abstract/OtherAbstract:
BACKGROUND: In many medical centers the standard preoperative study for patients undergoing carotid endarterectomy is four-vessel carotid arteriography, but duplex scanning of the carotid bifurcation is also reported to be highly accurate for detecting stenotic or occluded carotid arteries. METHODS: The diagnostic accuracy of duplex ultrasonography was evaluated in a study of 774 carotid bifurcations, in 400 patients comparing the degree of predicted internal carotid artery (ICA) stenosis found using that technique, with that found by contrast arteriography. Agreement between the predicted degree of ICA stenosis and the arteriographic measurement was evaluated using the Spearman rank order correlation. Accuracy statistics for duplex scanning as a diagnostic modality were assessed using 2 x 2 tables. RESULTS: The Spearman rank order correlation coefficient was 0.74 (P = 0) for the symptomatic group, 0.65 (P = 0) for the asymptomatic group, and 0.68 (P = 0) for the total group. The accuracy of duplex ultrasonography for detecting all grades of ICA stenosis ranged from 80% to 97%. CONCLUSIONS: Duplex ultrasonography of the carotid bifurcation is a reliable diagnostic tool and can be used as the sole preoperative study for selected patients with extracranial cerebrovascular disease. Our current algorithm is discussed in conjunction with a critical analysis of this large database.
Authors:
J L Ballard; K Fleig; M De Lange; J D Killeen
Related Documents :
9548009 - Frequency and determinants of microembolic signals on transcranial doppler in unselecte...
12670119 - Internal carotid artery dissection in stroke from scuba diving: a case report.
15557729 - An unusual cause of stroke in a patient with permanent transvenous pacemaker.
19036539 - Aberrant internal carotid artery in the middle ear with a deficiency in the origin of t...
2771009 - Transcranial doppler monitoring of cerebral flow velocities during surgical occlusion o...
11132999 - Stroke: management and rehabilitation. part iii of iii.
6668659 - Detection and quantification of left main coronary artery stenosis by two-dimensional e...
23962529 - A fluid-structure interaction study using patient-specific ruptured and unruptured aneu...
19329919 - A look into the endovascular crystal ball.
Publication Detail:
Type:  Comparative Study; Journal Article    
Journal Detail:
Title:  American journal of surgery     Volume:  168     ISSN:  0002-9610     ISO Abbreviation:  Am. J. Surg.     Publication Date:  1994 Aug 
Date Detail:
Created Date:  1994-09-08     Completed Date:  1994-09-08     Revised Date:  2006-11-15    
Medline Journal Info:
Nlm Unique ID:  0370473     Medline TA:  Am J Surg     Country:  UNITED STATES    
Other Details:
Languages:  eng     Pagination:  123-6; discussion 130     Citation Subset:  AIM; IM    
Affiliation:
Division of Vascular Surgery, Loma Linda University Medical Center, California 92354.
Export Citation:
APA/MLA Format     Download EndNote     Download BibTex
MeSH Terms
Descriptor/Qualifier:
Algorithms
Carotid Artery, Internal / radiography,  surgery,  ultrasonography
Carotid Stenosis / radiography,  surgery,  ultrasonography*
Cerebral Angiography
Humans
Predictive Value of Tests
Preoperative Care
Reproducibility of Results
Retrospective Studies
Sensitivity and Specificity

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


Previous Document:  Autologous fibrin glue: the last step in operative hemostasis.
Next Document:  Changes in internal carotid blood flow after carotid endarterectomy correlate with preoperative sten...