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Evaluation of Hyperammonemia and Cognitive Impairment in post-COVID patients

https://doi.org/10.31146/1682-8658-ecg-216-8-66-72

Abstract

The paper presents the results of an assessment cognitive function and ammonium levels in individuals who have had a novel coronavirus infection (COVID-19). The study included 60 people: 41 - confirmed COVID-19 during last 3 months and 19 - the control group. There have been performed clinical examination, psychometric test - connect-the-numbers test (CNT) and Mini-Mental State Examination (MMSE). Blood ammonium level has been determined. Post-COVID-19 syndrome (PCS) was diagnosed in 70.7% of patients, which was manifested by complaints of memory loss, weakness and anxiety. In patients who underwent COVID-19, cognitive impairment was detected on the MMSE scale in 27 people (45%), and the changes were more pronounced in the group with PCS. In the post-COVID group, 66% of the subjects had an increase CNT result. The cognitive impairment according to the MMSE correlated with the CNT results. Hyperammonemia was found in 54% of COVID-19 survivors, with higher values observed in the PCS group. No correlation was found between hyperammonemia and cognitive impairment.

About the Authors

D. D. Mukhametova
Kazan State Medical University
Russian Federation


E. N. Belousova
Kazan State Medical University
Russian Federation


Z. I. Fashieva
Kazan State Medical University
Russian Federation


M. G. Nazarova
Kazan State Medical University
Russian Federation


M. V. Knyazeva
Kazan State Medical University
Russian Federation


D. I. Abdulganieva
Kazan State Medical University
Russian Federation


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Review

For citations:


Mukhametova D.D., Belousova E.N., Fashieva Z.I., Nazarova M.G., Knyazeva M.V., Abdulganieva D.I. Evaluation of Hyperammonemia and Cognitive Impairment in post-COVID patients. Experimental and Clinical Gastroenterology. 2023;(8):66-72. (In Russ.) https://doi.org/10.31146/1682-8658-ecg-216-8-66-72

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