Does Postoperative Cognitive Decline Result in New Disability After Surgery?

Annals of Surgery
Stacie DeinerMary Sano

Abstract

Establish whether POCD is associated with new disability after surgery, which would inform whether POCD impacts patient-centered outcomes. POCD is a decline in neuropsychiatric tests scores from presurgical baseline which occurs in approximately 15% of older patients 3 months after surgery. POCD is a research construct meant to investigate patient and family reports of older adults who were "never the same after surgery." However, many patients with POCD do not perceive difficulty with thinking and memory, and the question remains whether POCD impacts patient function. We performed a prospective cohort study of 167 older adults undergoing major noncardiac surgery (requiring at least a 2-day hospital stay). Exclusion criteria were: history of dementia, cardiac or intracranial procedure, inability to consent for themselves, or emergency surgery. We administered formal neuropsychiatric testing (Alzheimer Disease Research Center UDS battery), basic and instrumental activities of daily living (Alzheimer Disease Research Center IADLs), pain (geriatric pain measure), and depression screening (hospital depression and anxiety scale) before and 3 months after surgery. We recorded all patient refined diagnostic related groups codes, blood...Continue Reading

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