Background: Cognitive deficits have been increasingly reported as possible long-term manifestations after SARS-CoV-2 infection. Aims: In this study we aimed at evaluating the factors associated with cognitive deficits 6 months after hospitalization for Coronavirus Disease 2019 (COVID-19). Methods: One hundred and six patients, discharged from a pneumology COVID-19 unit between March 1 and May 30 2020, accepted to be evaluated at 6 months according to an extensive neurological protocol, including the Montreal Cognitive Assessment (MoCA). Results: Abnormal MoCA scores at 6 months follow-up were associated with higher pre-hospitalization National Health System (NHS) score (Duca et al. in Emerg Med Pract 22:1–2, 2020) (OR 1.27; 95% CI 1.05–1.6; p = 0.029) and more severe pulmonary disease expressed by the Brescia-COVID Respiratory Severity Scale (Duca et al. in Emerg Med Pract 22:1–2, 2020) (BCRSS > 1OR 4.73; 95% CI 1.53–14.63; p = 0.003) during the acute phase of the disease. Discussion: This longitudinal study showed that the severity of COVID-19, indicated by BCRSS, and a complex score given by age and premorbid medical conditions, expressed by NHS, play a major role in modulating the long-term cognitive consequences of COVID-19 disease. Conclusions: These findings indicate that the association of age and premorbid factors might identify people at risk for long-term neurological consequences of COVID-19 disease, thus deserving longer and proper follow-up.

Premorbid vulnerability and disease severity impact on Long-COVID cognitive impairment

Cristillo V;Pilotto A;Cotti Piccinelli S;Gipponi S;Padovani A
2022-01-01

Abstract

Background: Cognitive deficits have been increasingly reported as possible long-term manifestations after SARS-CoV-2 infection. Aims: In this study we aimed at evaluating the factors associated with cognitive deficits 6 months after hospitalization for Coronavirus Disease 2019 (COVID-19). Methods: One hundred and six patients, discharged from a pneumology COVID-19 unit between March 1 and May 30 2020, accepted to be evaluated at 6 months according to an extensive neurological protocol, including the Montreal Cognitive Assessment (MoCA). Results: Abnormal MoCA scores at 6 months follow-up were associated with higher pre-hospitalization National Health System (NHS) score (Duca et al. in Emerg Med Pract 22:1–2, 2020) (OR 1.27; 95% CI 1.05–1.6; p = 0.029) and more severe pulmonary disease expressed by the Brescia-COVID Respiratory Severity Scale (Duca et al. in Emerg Med Pract 22:1–2, 2020) (BCRSS > 1OR 4.73; 95% CI 1.53–14.63; p = 0.003) during the acute phase of the disease. Discussion: This longitudinal study showed that the severity of COVID-19, indicated by BCRSS, and a complex score given by age and premorbid medical conditions, expressed by NHS, play a major role in modulating the long-term cognitive consequences of COVID-19 disease. Conclusions: These findings indicate that the association of age and premorbid factors might identify people at risk for long-term neurological consequences of COVID-19 disease, thus deserving longer and proper follow-up.
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Utilizza questo identificativo per citare o creare un link a questo documento: https://hdl.handle.net/11379/565965
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