AI Article Synopsis
- The study investigated the impact of carotid artery stenting on the retina and choroid in patients with unilateral carotid artery stenosis using advanced imaging (SS-OCTA).
- Measurements were taken before, 4 days, and 3 months post-stenting, focusing on various retinal and choroidal structures.
- Results indicated that shortly after stenting, there were significant improvements in certain vascular densities in the affected eyes, although a notable decrease in ganglion cell thickness was observed after three months.
Article Abstract
Purpose: The effect of carotid artery stenting in patients with unilateral carotid artery stenosis on the retina and choroid was evaluated using swept-source optical coherence tomography angiography (SS-OCTA).
Methods: SS-OCTA examination was conducted before stenting and 4 days and 3 months after stenting. The retinal nerve fiber layer, ganglion cell-inner plexiform layer (GCIPL), inner nuclear layer, superficial vascular complex (SVC), deep vascular complex (DVC), choroidal vascular volume (CVV), and choroidal vascular index were measured. Repeated-measures analysis of variance was performed to assess the impact of carotid artery stenting on optical coherence tomography angiography (OCTA) metrics.
Results: At baseline, 303 eyes from 160 patients (61.82 ± 9.98 years; 85.29% males) were enrolled. SVC and DVC densities and CVV were lower in ipsilateral eyes (stenosed side) compared to contralateral eyes (all P < 0.05). Four days after stenting, a significant increase was seen in SVC density in ipsilateral eyes (P < 0.05) while a significant increase was seen in CVV in ipsilateral eyes and contralateral eyes (both P < 0.05). Three months after stenting (63 patients with 114 eyes), a significant decrease was seen in the GCIPL thickness of ipsilateral and contralateral eyes (all P < 0.001).
Conclusions: Short term after carotid artery stenting, ipsilateral eyes showed a rapid and significant increase in SVC density and CVV.
Translational Relevance: Optical coherence tomography (OCT)/OCTA measurements may have the potential to detect retinal and choroidal changes after stenting. Future research on the long-term effect of stenting on the retina and choroid will be guided by these findings.
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| http://www.ncbi.nlm.nih.gov/pmc/articles/PMC11305422 | PMC |
| http://dx.doi.org/10.1167/tvst.13.8.5 | DOI Listing |
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