Unrecordable pulsatile ocular blood flow may signify severe stenosis of the ipsilateral internal carotid artery.

Unrecordable pulsatile ocular blood flow may signify severe stenosis of the ipsilateral internal carotid artery. Research Abstract Details 

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Unrecordable pulsatile ocular blood flow may signify severe stenosis of the ipsilateral internal carotid artery. Abstract Text:

AIM: To examine the relation between stenosis of the internal carotid artery (ICA) and pulsatile ocular blood flow (POBF). METHODS: In 57 eyes of 30 patients who were referred for Doppler ultrasound examination of the ICA we measured POBF and analysed the correlation with degree of ipsilateral ICA stenosis. RESULTS: There was a significant negative correlation between POBF and ipsilateral ICA stenosis (Pearson correlation coefficient, r=-0.516, p<0.0001). In 14 eyes POBF could not be measured by the OBF tonometer, and in 11 of these cases (79%) severe stenosis (>75%) of the ipsilateral ICA was present. When these eyes were excluded from analysis, there was no correlation between POBF and ICA stenosis (r=-0.02, p=0.91). Among these 43 eyes in which POBF could be measured it ranged 667-2095 microl/min with a mean of 970.72 microl/min. CONCLUSION: Low or unrecordable POBF may signify severe stenosis of the internal carotid artery. POBF is not a direct reflection of ipsilateral ICA blood flow.

Unrecordable pulsatile ocular blood flow may signify severe stenosis of the ipsilateral internal carotid artery. Publishing Authors By Initials

For similar circulatory and respiratory physiology: cardiovascular physiology: cardiovascular physiologic processes: blood circulation: regional blood flow research abstracts see: circulatory and respiratory physiology: cardiovascular physiology: cardiovascular physiologic processes: blood circulation: regional blood flow research

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Unrecordable pulsatile ocular blood flow may signify severe stenosis of the ipsilateral internal carotid artery. Journal Published:

PUBLICATION TYPE: Journal Article

Journal: The British journal of ophthalmology

VOLUME: 87

Page Numbers: 1478-80

Journal Abbreviation: Br J Ophthalmol

ISSN: 0007-1161

DAY: 28

MONTH: Dec

YEAR: 2003

Unrecordable pulsatile ocular blood flow may signify severe stenosis of the ipsilateral internal carotid artery. Information

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LANGUAGE: eng

NlmUniqueID: 421041

Unrecordable pulsatile ocular blood flow may signify severe stenosis of the ipsilateral internal carotid artery. Keywords Mesh Terms:

KEYWORDS: Regional Blood Flow

MESH TERMS: ultrasonography

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Grant and Affiliation Information for Unrecordable pulsatile ocular blood flow may signify severe stenosis of the ipsilateral internal carotid artery.

AFFILIATION: Department of Ophthalmology, Assaf Harofe Medical Center, Beer Yaacov, Zerifin, Israel. idityaniv@yahoo.com

Country: England

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MEDLINETA: Br J Ophthalmol

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