Document Detail

Color Doppler orbital hemodynamics in healthy individuals and patients with vascular disorders in Taiwan.
MedLine Citation:
PMID:  18307143     Owner:  NLM     Status:  MEDLINE    
The main purpose of this study was to establish a data bank of orbital vasculature hemodynamics as assessed by color Doppler imaging (CDI) for normal Taiwanese. In addition, we compared the hemodynamic variables in subjects with a healthy orbital vasculature and 10 patients with various orbital disorders. From 1994 to 1995, we collected data from 90 age-and gender-matched (43 males, 47 females) healthy individuals, with age stratified by decades (ranging from 4 to 79 years). Ten patients with various orbital lesions were also examined by CDI. Peak systolic velocity (PSV), end diastolic velocity (EDV), mean velocity (MV), pulsatility index (PI), and resistivity index (RI) were obtained for the ophthalmic, central retinal, and posterior ciliary arteries. The MV was also measured in the ophthalmic, central retinal, and vortex veins. The mean and standard deviation of the values were calculated for each decade of age. There was no correlation between the CDI-generated values and gender. Student's t-test showed that the flow velocity in the group below age 10, compared with that of the other groups, is significantly higher (p < 0.05). The CDI values in diseased orbits could be classified as hyper-, iso-, or hypovascular in comparison with healthy orbits. On linear regression, there was a correlation between age and the PSV, EDV, and MV of healthy ophthalmic arteries.
Mon-Te Kahn
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Publication Detail:
Type:  Journal Article; Research Support, Non-U.S. Gov't    
Journal Detail:
Title:  Orbit (Amsterdam, Netherlands)     Volume:  27     ISSN:  1744-5108     ISO Abbreviation:  Orbit     Publication Date:  2008  
Date Detail:
Created Date:  2008-02-29     Completed Date:  2008-04-02     Revised Date:  2009-02-20    
Medline Journal Info:
Nlm Unique ID:  8301221     Medline TA:  Orbit     Country:  England    
Other Details:
Languages:  eng     Pagination:  25-30     Citation Subset:  IM    
Department of Ophthalmology, Mackay Memorial Hospital, Taipei Medical University, Taipei, Taiwan, ROC.
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MeSH Terms
Child, Preschool
Middle Aged
Orbit / physiology*,  physiopathology,  ultrasonography*
Orbital Diseases / physiopathology,  ultrasonography*
Ultrasonography, Doppler, Color*
Vascular Diseases / physiopathology,  ultrasonography*

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