Human study · Aging · Added 25 Sept 2026
Association between preoperative cognitive impairment and perioperative neurocognitive disorders within 30 days after surgery in elderly patients: a secondary exploratory retrospective analysis
Source: Frontiers in Aging
What the research found
BackgroundPreoperative cognitive impairment (PCI) is a recognized risk factor for postoperative cognitive dysfunction, but its association with the broader syndrome of perioperative neurocognitive disorders (PND) within 30 days after surgery requires further investigation. This study aimed to evaluate the association between preoperative cognitive performance, assessed by the Montreal Cognitive Assessment (MoCA), and
Evidence level: Human study. A study in people, but an association isn't proof of cause.
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