ArticleTranslational vision science & technology2025
Photoreceptor Layer Thinning as Biomarker for Circulatory Premature Mortality: UK Biobank Cohort Study.
Article in Translational vision science & technology, 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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10 authors.
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Abstract
Purpose: To explore associations between optical coherence tomography (OCT) parameters and mortality risk. Methods: This study used data from the UK Biobank participants with eligible OCT data. Feature selection was conducted with the least absolute shrinkage and selection operator. Selected parameters were fitted into Cox regression, with the full model adjusting for demographic, socioeconomic, lifestyle, and genetic factors. Results: During a median follow-up duration of 10.6 years, 3174 were deceased. After matching the deceased and surviving participants (1:3) by age and gender, 12,696 were included. Ten out of 18 parameters showed significant associations with all-cause mortality. Each standard deviation increase in optic disc diameter parameters (hazard ratios [HRs] ranging from 1.042 to 1.052), thinning of ganglion cell-inner plexiform layer (HR = 0.958, 0.920-0.998), thinning of the photoreceptor layer and its sublayers (HRs = 0.937-0.960) were significant biomarkers of all-cause mortality. Cause-specific analyses by mortality age revealed that thinner photoreceptor layer and sublayers were significantly associated with circulatory premature mortality (HRs = 0.856-0.915). Conclusions: Enlarging disc diameter, thinning of ganglion cell-inner plexiform layer, and thinning of photoreceptor layers are associated with all-cause mortality, with photoreceptor thinning especially linked to premature circulatory mortality. Translational Relevance: These findings suggest that specific OCT parameters could serve as noninvasive biomarkers for mortality risk assessment, potentially enhancing early identification of individuals at higher risk of premature death, particularly from circulatory diseases.
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