Parthasarathy D Thirumala, Beth E Snitz, Erin Jacobsen, Chung-Chou H Chang, Yue-Fang Chang, Mary Ganguli
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引用次数: 0
Abstract
Introduction: Postoperative cognitive decline (POCD) is a common, but often unrecognized condition after surgery. We evaluate postsurgical cognitive changes in a longitudinal population-based study.
Methods: The study cohort comprises an age-stratified population-based random sample of individuals aged 65+ years from a small-town region of the United States. We identified as cases those participants who, during annual assessments, self-reported having undergone surgery under general anesthesia during the preceding year. We identified as controls those who reported no surgery for at least 6 consecutive years. The outcome variable changed over time (4 y) in annual cognitive test composite scores encompassing the domains of attention/processing speed, executive function, memory, language, and visuospatial functions, which were modeled using Generalized Estimating Equations.
Results: A total of 436 participants had the required cognitive data; 179 participants (cases) had undergone surgery, while 257 participants (controls) had not undergone surgery. After adjusting for age, years of education, gender, race, heart failure, irregular heartbeat, and stroke, participants who underwent surgery had a greater decline in executive function, memory, and attention over a 2-year period.
Discussion: Participants who underwent surgery had a significant subsequent decline in cognitive function over the long term.
期刊介绍：
Alzheimer Disease & Associated Disorders is a peer-reviewed, multidisciplinary journal directed to an audience of clinicians and researchers, with primary emphasis on Alzheimer disease and associated disorders. The journal publishes original articles emphasizing research in humans including epidemiologic studies, clinical trials and experimental studies, studies of diagnosis and biomarkers, as well as research on the health of persons with dementia and their caregivers. The scientific portion of the journal is augmented by reviews of the current literature, concepts, conjectures, and hypotheses in dementia, brief reports, and letters to the editor.
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