医学
混淆
认知
认知功能衰退
队列研究
共病
队列
神经心理学
人口
老年学
前瞻性队列研究
人口学
儿科
外科
精神科
痴呆
内科学
环境卫生
疾病
社会学
作者
Lucia Chinnappa-Quinn,Ben C. P. Lam,Lara Harvey,Nicole A. Kochan,Michael H Bennett,John D. Crawford,Steve R. Makkar,Henry Brodaty,Perminder S. Sachdev
标识
DOI:10.1016/j.jamda.2022.01.082
摘要
The aim was to investigate the association of cognitive trajectories and overnight surgical hospitalization in older adults, while controlling for and comparing to the association with acute medical hospitalizations.This is a secondary analysis of data from a population-based, longitudinal cohort study of older Australians.Cognition was assessed with 4 biennial waves of prospective neuropsychological data from 1026 Sydney Memory and Aging Study participants age 70 to 90 years at baseline. Hospitalization exposure was obtained from 10 years of electronically linked data from the New South Wales Admitted Patient Data Collection.Latent growth curve modeling estimated global cognition z-score baseline and slope over 6 years, and the effects of contemporaneous surgical and medical hospitalization predictors while controlling for potential demographic and comorbidity confounders.After controlling for confounding variables, this analysis showed that overnight surgical hospitalizations were not associated with worse baseline global cognition or accelerated cognitive decline over 6 years. This was despite this cohort having more surgeries and more complex surgeries compared with Australian data for overnight hospitalizations in over 70-year-olds. Conversely, recent medical hospitalizations were associated with accelerated cognitive decline.This analysis finds that surgery and anesthesia are unlikely to be risk factors for medium to long-term global cognitive decline in healthy older adults, while controlling for contemporaneous medical hospitalizations. These findings are contrary to prior conclusions from several surgical studies that may have been impeded by insufficient comparison groups. They are, however, consistent with recent population-based studies suggesting surgery has minimal association with cognitive decline in the medium to long-term. Future research needs to clarify the association of surgical hospitalization with the full spectrum of cognitive outcomes including subjective cognitive complaints and dementia, and importantly, how these cognitive outcomes correlate with clinically significant functional changes.
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