Distinctive vascular changes in the retina and choroid linked to retrograde flow in the ophthalmic artery due to chronic total occlusion of the carotid artery - Report - MDSpire
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Distinctive vascular changes in the retina and choroid linked to retrograde flow in the ophthalmic artery due to chronic total occlusion of the carotid artery
Distinctive vascular changes in the retina and choroid linked to retrograde flow
Overview
This study characterizes the vascular changes in the retina and choroid associated with retrograde flow in the ophthalmic artery due to chronic total occlusion of the carotid artery. Findings indicate significant reductions in retinal vessel density while choroidal parameters remain relatively preserved, highlighting the distinct hemodynamic responses of these vascular beds.
Background
Chronic total occlusion (CTO) of the internal carotid artery poses significant risks, including ischemic stroke and cognitive decline, due to compromised cerebral perfusion. The ophthalmic artery serves as a critical collateral pathway in this context, and understanding its flow dynamics is essential for assessing ocular health. This study aims to elucidate the impact of retrograde flow on retinal and choroidal vascular profiles.
Data Highlights
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Key Findings
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Clinical Implications
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Conclusion
Retrograde flow in the ophthalmic artery due to carotid artery occlusion leads to significant retinal microvascular loss while paradoxically expanding choroidal vasculature. These findings enhance our understanding of ocular vascular responses in chronic carotid occlusion.
