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Dr. Colin Franz, a physician-scientist with the Shirley Ryan 小恩雅 in Chicago, said the findings dovetail with his own experience with COVID-19 survivors.
"As a physician who regularly sees people post-COVID, I am not surprised that there are persistent mental health issues like memory or concentration in the months after hospitalization," he said. "This is one of the more common concerns our 'long-COVID' patients bring to us."
The precise reason may vary from patient to patient, added Franz, who was not involved in the study.
"For example, in one person it could be connected to an issue with the very small blood vessels in the brain," he noted. "But in another one, they have persistent breathing issues that disturb sleep and increase fatigue that may play into poor test performance."