Ocular temperature in carotid artery stenosis
PURPOSE: To explore the potential application of wide-field, color-coded infrared ocular thermography in the investigation of carotid artery stenosis (CAS). METHODS: Ocular thermography and color duplex ultrasonography were undertaken in a masked study of 24 asymptomatic, consecutively presenting patients who were examined for vascular occlusive disease. RESULTS: Linear regression analysis indicated that there was a significant negative correlation between ocular surface temperature and the degree of CAS (r = -0.67, p < 0.001). Similar results were demonstrated between the relative difference in CAS (right - left) and the relative difference in ocular surface temperature (right - left) (r = -0.67, p < 0.001). CONCLUSIONS: These results indicate that the circle of Willis and the other anastomoses within the brain are unable to compensate fully for the reduction in blood flow on the affected side. Noncontact ocular temperature measurement has potential as both a screening test and a supplementary diagnostic clinical test for CAS.
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|Item Type:||Journal Article|
|Additional Information:||The contents of this journal can be freely accessed online via the journal's web page (see hypertext link) 12 months after publication. Self-archiving of the author-version is not yet supported by this publisher. For more information, please refer to the journal's website (see hypertext link) or contact the author.|
|Subjects:||Australian and New Zealand Standard Research Classification > MEDICAL AND HEALTH SCIENCES (110000) > OPTOMETRY AND OPHTHALMOLOGY (111300)|
Australian and New Zealand Standard Research Classification > MEDICAL AND HEALTH SCIENCES (110000) > OPTOMETRY AND OPHTHALMOLOGY (111300) > Vision Science (111303)
|Divisions:||Current > Research Centres > Centre for Health Research|
Current > QUT Faculties and Divisions > Faculty of Health
Current > Institutes > Institute of Health and Biomedical Innovation
|Copyright Owner:||Copyright 1999 Lippincott Williams & Wilkins|
|Deposited On:||28 Nov 2007|
|Last Modified:||11 Aug 2011 03:57|
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