Critically ill patients who survive a stay in an intensive-care unit, where they are often heavily sedated and ventilated, can find themselves mentally impaired long after release. A new study says the problem is far more common and lasting than previously believed.
Nearly 80% of patients with prolonged ICU stays showed cognitive problems a year or more later, and more than half exhibited effects similar to Alzheimer's disease and traumatic brain injury, according to a report Wednesday in the New England Journal of Medicine.
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