ArticleInternational ophthalmology2025
Evaluation of retinal vascular structure via optic coherence tomography angiography in obstructive sleep apnea.
Article in International ophthalmology, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
objectivesEvaluation of the retinal vascular structure with optic coherence tomography angiography (OCT-A) in patients with obstructive sleep apnea (OSA). MATERIALS AND
methodsA total of 47 severe (Group 1), 30 moderate (Group 2), and 25 mild (Group 3) OSA patients and 51 healthy volunteers (Group 4) were included. Total, parafoveal, perifoveal superficial (SCP), and deep capillary plexus (DCP) vascular densities, foveal avascular zone (FAZ) and blood flow of choriocapillaris and outer retina were evaluated. Results were examined comparatively, and their correlation with hypoxia parameters (minSpO
resultsThere was no difference in terms of age and gender (p = 0.155, p = 0.313, respectively). No difference was detected between the groups in terms of SCP and DCP (p > 0.005 for all parameters). FAZ were 0.28 ± 0.28, 0.26 ± 0.08, 0.25 ± 0.09, and 0.28 ± 0.98 mm
conclusionAfter considering confounding factors, no significant difference was observed in the retinochoroidal circulation between the study group and healthy volunteers, or across different stages of OSA. The weak to moderate correlation between hypoxia parameters and DCP density may suggest that the microvascular structure could be impacted in the early stages.
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