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- Title
Incidence of central retinal artery occlusion peaks in winter season.
- Authors
Gassel, Caroline J.; Andris, Wolfgang; Poli, Sven; Bartz-Schmidt, Karl Ulrich; Dimopoulos, Spyridon; Wenzel, Daniel A.
- Abstract
Introduction: Stroke incidence exhibits seasonal trends, with the highest occurrences observed during winter. This study investigates the incidence of central retinal artery occlusion (CRAO), a stroke equivalent of the retina, and explores its monthly and seasonal variations, as well as potential associations with weather and ambient air pollutants. Methods: A retrospective search of medical records spanning 15 years (January 2008-December 2022) was conducted at the University Eye Hospital Tübingen, Germany, focusing on diagnosed cases of CRAO. Incidences were evaluated on amonthly and seasonal basis (winter, spring, summer, fall). Weather data (temperature, precipitation, atmospheric pressure) and concentrations of ambient air pollutants [fine particulate matter (PM2.5), coarse particulate matter (PM10), nitrogen dioxide (NO2), and ozone (O3)], were analyzed for a potential association with CRAO incidence. Results: Out of 432 patients diagnosed with CRAO between 2008 and 2022, significantly varying incidences were observed monthly (p = 0.025) and seasonally (p = 0.008). The highest rates were recorded in February and winter, with the lowest rates in June and summer. Concentrations of NO2, PM2.5 and lower ambient air temperature (average, minimum, maximum) showed significant correlations with CRAO incidence. Discussion: This comprehensive 15-year analysis reveals a pronounced winter peak in CRAO incidence, with the lowest occurrences in summer. Potential associations between CRAO incidence and ambient air pollutants and temperature underscore the importance of considering seasonal trends and call for further investigations to elucidate contributing factors, potentially leading to targeted preventive strategies and public health interventions.
- Subjects
GERMANY; RETINAL artery; RETINAL artery occlusion; SEASONAL variations of diseases; AIR pollutants; ATMOSPHERIC temperature; SPRING; WINTER
- Publication
Frontiers in Neurology, 2024, p1
- ISSN
1664-2295
- Publication type
Article
- DOI
10.3389/fneur.2024.1342491