Document Detail


The development of hemodynamics in the extracranial carotid and vertebral arteries.
MedLine Citation:
PMID:  9695268     Owner:  NLM     Status:  MEDLINE    
Abstract/OtherAbstract:
To investigate the development of hemodynamics in the extracranial carotid and vertebral artery system, a prospective color duplex sonography study was performed in 94 healthy children and adolescents between 3 and 18 y old. Angle-corrected flow velocities and luminal diameters were measured; waveform parameters and flow volumes were calculated. Side-to-side differences of volumetric data were analyzed. In 53 children, an intrasession test-retest flowmetry of the internal carotid and vertebral arteries was performed. From 3 to 18 y old, flow volumes decreased significantly in the vertebral arteries (p < or = 0.01) and increased in the external carotid artery (p < or = 0.0001); the luminal diameter increased in all the carotid arteries (p < or = 0.0001) and remained constant in the vertebral arteries; mean flow velocities declined in the common and internal carotid arteries and in the vertebral arteries (p < or = 0.0001), but increased in the external carotid arteries (p < or = 0.01). Flow volume rate was lower in the right than the left vertebral artery (p < or = 0.0001), and there was no side difference in any of the carotid arteries. The test-retest correlation of volumetric data was high (0.81 < or = r < or = 0.97; p < or = 0.0001). By comparing the reference data presented here with analogous adult data, we were able to delineate the physiologic development of extracranial and cerebral hemodynamics from childhood to adulthood. These data make possible the clinical application of quantitative flowmetry in extracranial cerebral arteries of children and adolescents.
Authors:
M Schöning; B Hartig
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Publication Detail:
Type:  Comparative Study; Journal Article    
Journal Detail:
Title:  Ultrasound in medicine & biology     Volume:  24     ISSN:  0301-5629     ISO Abbreviation:  Ultrasound Med Biol     Publication Date:  1998 Jun 
Date Detail:
Created Date:  1998-10-16     Completed Date:  1998-10-16     Revised Date:  2007-11-15    
Medline Journal Info:
Nlm Unique ID:  0410553     Medline TA:  Ultrasound Med Biol     Country:  ENGLAND    
Other Details:
Languages:  eng     Pagination:  655-62     Citation Subset:  IM    
Affiliation:
Division of Child Neurology, Children's Hospital of the University, Tübingen, Germany.
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MeSH Terms
Descriptor/Qualifier:
Adolescent
Carotid Artery, External / physiology*,  ultrasonography
Carotid Artery, Internal / physiology,  ultrasonography
Cerebrovascular Disorders / ultrasonography
Child
Child, Preschool
Female
Hemodynamics
Humans
Male
Prospective Studies
Rheology / instrumentation,  methods,  statistics & numerical data
Statistics, Nonparametric
Ultrasonography, Doppler, Color / instrumentation,  methods,  statistics & numerical data
Vertebral Artery / physiology*,  ultrasonography

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


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