Neurology open access · 2026
Retinal Vessel Dysfunction in Cerebral Autosomal Dominant Arteriopathy With Subcortical Infarcts and Leukoencephalopathy: An Ultra-Widefield Fluorescein Angiography Study.
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Serlin Yonatan, Munn Colyn, Ferrante Elisa A, Kamintsky Lyna, Cousineau-Krieger Chantal, FitzGibbon Edmond J, Magone M Teresa, Lee Richard W J, Keenan Tiarnán D L, Toro Camilo, Apugo Sherrell, Brofferio Alessandra, Kozel Beth A, Iruela-Arispe M Luisa, Friedman Alon, Boehm Manfred
Аннотация
BACKGROUND: Restrictive measures were widely introduced at the start of the COVID-19 pandemic to reduce the spread of the virus. These restrictions have been linked to reductions in laboratory-diagnosed infections and hospitalisations. It is unclear if the observed decreases reflect a reduction in health-seeking behaviour or results from fewer infections per se.
METHODS: We have explored trends in caregiver reports of respiratory infections and symptoms needing a doctor visit in children aged 0-11 years using data from the New Hampshire Birth Cohort Study in 2011-2021, comparing the prepandemic and pandemic periods. Generalized Estimating Equations were used to model pandemic/prepandemic risk ratios (RRs) with adjustment for maternal and child characteristics.
RESULTS: The overall probability of a report of an upper respiratory tract infection (RTI) needing a doctor visit in children aged 0-11 years was 16.7%. There was strong evidence of a decline during the pandemic: 17.9% pre pandemic versus 8.19% in the pandemic period, adjusted RR 0.51 (95% CI: 0.42 to 0.64). Similar trends were seen for any lower RTI, any respiratory symptom and any other acute symptom with overall probabilities of 4.33%, 24.8% and 13.8%, respectively, and adjusted rate ratios 0.61 (0.41 to 0.91), 0.59 (0.51 to 0.68) and 0.72 (0.59 to 0.87), respectively. In contrast, respiratory syncytial virus and bronchiolitis remained steady.
CONCLUSIONS: The steep decline in caregiver-reported infections and symptoms mirrored trends reported in laboratory-diagnosed infections and hospitalisations and suggests a real decrease in prevalence. Longer follow-up is needed to determine later consequences of the reduction in childhood infections.
METHODS: We have explored trends in caregiver reports of respiratory infections and symptoms needing a doctor visit in children aged 0-11 years using data from the New Hampshire Birth Cohort Study in 2011-2021, comparing the prepandemic and pandemic periods. Generalized Estimating Equations were used to model pandemic/prepandemic risk ratios (RRs) with adjustment for maternal and child characteristics.
RESULTS: The overall probability of a report of an upper respiratory tract infection (RTI) needing a doctor visit in children aged 0-11 years was 16.7%. There was strong evidence of a decline during the pandemic: 17.9% pre pandemic versus 8.19% in the pandemic period, adjusted RR 0.51 (95% CI: 0.42 to 0.64). Similar trends were seen for any lower RTI, any respiratory symptom and any other acute symptom with overall probabilities of 4.33%, 24.8% and 13.8%, respectively, and adjusted rate ratios 0.61 (0.41 to 0.91), 0.59 (0.51 to 0.68) and 0.72 (0.59 to 0.87), respectively. In contrast, respiratory syncytial virus and bronchiolitis remained steady.
CONCLUSIONS: The steep decline in caregiver-reported infections and symptoms mirrored trends reported in laboratory-diagnosed infections and hospitalisations and suggests a real decrease in prevalence. Longer follow-up is needed to determine later consequences of the reduction in childhood infections.