Fatigue and cognitive impairment in Post-COVID-19 Syndrome: A systematic review and meta-analysis
Research output: Contribution to journal › Review › Research › peer-review
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Fatigue and cognitive impairment in Post-COVID-19 Syndrome : A systematic review and meta-analysis. / Ceban, Felicia; Ling, Susan; Lui, Leanna M. W.; Lee, Yena; Gill, Hartej; Teopiz, Kayla M.; Rodrigues, Nelson B.; Subramaniapillai, Mehala; Di Vincenzo, Joshua D.; Cao, Bing; Lin, Kangguang; Mansur, Rodrigo B.; Ho, Roger C.; Rosenblat, Joshua D.; Miskowiak, Kamilla W.; Vinberg, Maj; Maletic, Vladimir; McIntyre, Roger S.
In: Brain, Behavior, and Immunity, Vol. 101, 2022, p. 93-135.Research output: Contribution to journal › Review › Research › peer-review
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TY - JOUR
T1 - Fatigue and cognitive impairment in Post-COVID-19 Syndrome
T2 - A systematic review and meta-analysis
AU - Ceban, Felicia
AU - Ling, Susan
AU - Lui, Leanna M. W.
AU - Lee, Yena
AU - Gill, Hartej
AU - Teopiz, Kayla M.
AU - Rodrigues, Nelson B.
AU - Subramaniapillai, Mehala
AU - Di Vincenzo, Joshua D.
AU - Cao, Bing
AU - Lin, Kangguang
AU - Mansur, Rodrigo B.
AU - Ho, Roger C.
AU - Rosenblat, Joshua D.
AU - Miskowiak, Kamilla W.
AU - Vinberg, Maj
AU - Maletic, Vladimir
AU - McIntyre, Roger S.
N1 - Publisher Copyright: © 2022 Elsevier Inc.
PY - 2022
Y1 - 2022
N2 - Importance: COVID-19 is associated with clinically significant symptoms despite resolution of the acute infection (i.e., post-COVID-19 syndrome). Fatigue and cognitive impairment are amongst the most common and debilitating symptoms of post-COVID-19 syndrome. Objective: To quantify the proportion of individuals experiencing fatigue and cognitive impairment 12 or more weeks following COVID-19 diagnosis, and to characterize the inflammatory correlates and functional consequences of post-COVID-19 syndrome. Data sources: Systematic searches were conducted without language restrictions from database inception to June 8, 2021 on PubMed/MEDLINE, The Cochrane Library, PsycInfo, Embase, Web of Science, Google/Google Scholar, and select reference lists. Study selection: Primary research articles which evaluated individuals at least 12 weeks after confirmed COVID-19 diagnosis and specifically reported on fatigue, cognitive impairment, inflammatory parameters, and/or functional outcomes were selected. Data extraction & synthesis: Two reviewers independently extracted published summary data and assessed methodological quality and risk of bias. A meta-analysis of proportions was conducted to pool Freeman-Tukey double arcsine transformed proportions using the random-effects restricted maximum-likelihood model. Main outcomes & measures: The co-primary outcomes were the proportions of individuals reporting fatigue and cognitive impairment, respectively, 12 or more weeks following COVID-19 infection. The secondary outcomes were inflammatory correlates and functional consequences associated with post-COVID-19 syndrome. Results: The literature search yielded 10,979 studies, and 81 studies were selected for inclusion. The fatigue meta-analysis comprised 68 studies, the cognitive impairment meta-analysis comprised 43 studies, and 48 studies were included in the narrative synthesis. Meta-analysis revealed that the proportion of individuals experiencing fatigue 12 or more weeks following COVID-19 diagnosis was 0.32 (95% CI, 0.27, 0.37; p < 0.001; n = 25,268; I2 = 99.1%). The proportion of individuals exhibiting cognitive impairment was 0.22 (95% CI, 0.17, 0.28; p < 0.001; n = 13,232; I2 = 98.0). Moreover, narrative synthesis revealed elevations in proinflammatory markers and considerable functional impairment in a subset of individuals. Conclusions & relevance: A significant proportion of individuals experience persistent fatigue and/or cognitive impairment following resolution of acute COVID-19. The frequency and debilitating nature of the foregoing symptoms provides the impetus to characterize the underlying neurobiological substrates and how to best treat these phenomena. Study registration: PROSPERO (CRD42021256965).
AB - Importance: COVID-19 is associated with clinically significant symptoms despite resolution of the acute infection (i.e., post-COVID-19 syndrome). Fatigue and cognitive impairment are amongst the most common and debilitating symptoms of post-COVID-19 syndrome. Objective: To quantify the proportion of individuals experiencing fatigue and cognitive impairment 12 or more weeks following COVID-19 diagnosis, and to characterize the inflammatory correlates and functional consequences of post-COVID-19 syndrome. Data sources: Systematic searches were conducted without language restrictions from database inception to June 8, 2021 on PubMed/MEDLINE, The Cochrane Library, PsycInfo, Embase, Web of Science, Google/Google Scholar, and select reference lists. Study selection: Primary research articles which evaluated individuals at least 12 weeks after confirmed COVID-19 diagnosis and specifically reported on fatigue, cognitive impairment, inflammatory parameters, and/or functional outcomes were selected. Data extraction & synthesis: Two reviewers independently extracted published summary data and assessed methodological quality and risk of bias. A meta-analysis of proportions was conducted to pool Freeman-Tukey double arcsine transformed proportions using the random-effects restricted maximum-likelihood model. Main outcomes & measures: The co-primary outcomes were the proportions of individuals reporting fatigue and cognitive impairment, respectively, 12 or more weeks following COVID-19 infection. The secondary outcomes were inflammatory correlates and functional consequences associated with post-COVID-19 syndrome. Results: The literature search yielded 10,979 studies, and 81 studies were selected for inclusion. The fatigue meta-analysis comprised 68 studies, the cognitive impairment meta-analysis comprised 43 studies, and 48 studies were included in the narrative synthesis. Meta-analysis revealed that the proportion of individuals experiencing fatigue 12 or more weeks following COVID-19 diagnosis was 0.32 (95% CI, 0.27, 0.37; p < 0.001; n = 25,268; I2 = 99.1%). The proportion of individuals exhibiting cognitive impairment was 0.22 (95% CI, 0.17, 0.28; p < 0.001; n = 13,232; I2 = 98.0). Moreover, narrative synthesis revealed elevations in proinflammatory markers and considerable functional impairment in a subset of individuals. Conclusions & relevance: A significant proportion of individuals experience persistent fatigue and/or cognitive impairment following resolution of acute COVID-19. The frequency and debilitating nature of the foregoing symptoms provides the impetus to characterize the underlying neurobiological substrates and how to best treat these phenomena. Study registration: PROSPERO (CRD42021256965).
KW - Anhedonia
KW - Bipolar
KW - Brain
KW - Brain fog
KW - Cognition
KW - Cognitive impairment
KW - COVID-19
KW - Depression
KW - Fatigue
KW - Functional outcomes
KW - Immunology
KW - Inflammation
KW - Long COVID
KW - Mental illness
KW - Population health
KW - Post-COVID-19 condition
KW - Post-COVID-19 syndrome
U2 - 10.1016/j.bbi.2021.12.020
DO - 10.1016/j.bbi.2021.12.020
M3 - Review
C2 - 34973396
AN - SCOPUS:85122498401
VL - 101
SP - 93
EP - 135
JO - Brain, Behavior, and Immunity
JF - Brain, Behavior, and Immunity
SN - 0889-1591
ER -
ID: 316820637