🧠 Postoperative delirium is the strongest predictor of long-term cognitive decline in older adults, with effects persisting for up to five years, according to a study in JAMA Internal Medicine.

🏨 Rehospitalizations, including ICU or post-acute care stays, are linked to cognitive decline, but do not explain the significant impact of delirium on long-term brain health.

📊 The study followed 560 adults aged 70+ for up to six years, finding that delirium was associated with faster cognitive decline annually, independent of rehospitalizations.

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