5-Jul
. 2022 Apr 9;74(7):1191-1198.
doi: 10.1093/cid/ciab611.
Persistent Symptoms in Adult Patients one Year Later on Coronavirus Disease 2019 (COVID-19): A Prospective Cohort Written report
Affiliations
- PMID: 34223884
- PMCID: PMC8394862
- DOI: x.1093/cid/ciab611
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Persistent Symptoms in Adult Patients 1 Year Later on Coronavirus Illness 2019 (COVID-nineteen): A Prospective Cohort Written report
Clin Infect Dis. .
Free PMC article
Abstract
Background: Long COVID is defined as the persistence of symptoms beyond 3 months after severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) infection. To better understand the long-term grade and etiology of symptoms we analyzed a cohort of patients with COVID-19 prospectively.
Methods: Patients were included at 5 months later astute COVID-19 in this prospective, noninterventional, follow-upward study. Patients followed until 12 months after COVID-19 symptom onset (north = 96; 32.3% hospitalized, 55.two% females) were included in this analysis of symptoms, quality of life (based on an SF-12 survey), laboratory parameters including antinuclear antibodies (ANAs), and SARS-CoV-2 antibody levels.
Results: At month 12, only 22.9% of patients were completely free of symptoms and the nearly frequent symptoms were reduced exercise capacity (56.iii%), fatigue (53.1%), dyspnea (37.5%), and problems with concentration (39.vi%), finding words (32.3%), and sleeping (26.0%). Females showed significantly more than neurocognitive symptoms than males. ANA titers were ≥1:160 in 43.6% of patients at 12 months post-COVID-xix symptom onset, and neurocognitive symptom frequency was significantly higher in the group with an ANA titer ≥1:160 versus <1:160. Compared with patients without symptoms, patients with ≥ane long-COVID symptom at 12 months did not differ significantly with respect to their SARS-CoV-2 antibody levels but had a significantly reduced concrete and mental life quality compared with patients without symptoms.
Conclusions: Neurocognitive long-COVID symptoms tin persist ≥1 year after COVID-19 symptom onset and reduce life quality significantly. Several neurocognitive symptoms were associated with ANA titer elevations. This may indicate autoimmunity equally a cofactor in etiology of long COVID.
Keywords: ANA titers; coronavirus illness 2019 (COVID-19); life quality; long COVID.
© The Author(s) 2021. Published past Oxford Academy Press for the Infectious Diseases Gild of America. All rights reserved. For permissions, electronic mail: journals.permissions@oup.com.
Figures
Distribution of ANA titers within study group at acute COVID-19 and five and 12 months post–symptom onset of COVID-19 presented in percent of the total accomplice (n = 96). Abbreviations: ANA, antinuclear antibiotic; COVID-xix, coronavirus disease 2019.
Frequencies of symptoms (%) in the study accomplice at acute COVID-19, likewise as at v, 9, and 12 months post–COVID-nineteen symptom onset. P values for the grouping differences betwixt v- and 12-month time points are based on McNemar examination for dependent samples. Symptoms with significant differences are marked with an asterisk (*P < .05). Abbreviations: COVID-19, coronavirus disease 2019; n.d., not determined.
Frequencies of symptoms (%) amid the study population presented every bit a heatmap for the time of acute COVID-nineteen and at 5 and 12 months postal service–symptom onset. Symptom frequencies are stratified past disease severity (mild/moderate and severe/critical illness), gender (male and female), age (<60 and ≥60 years) and ANA titer (<ane:160 vs ≥ 1:160). Gray fields with a cross betoken that this parameter was not analyzed at that specific fourth dimension point. Abbreviations: ANA, antinuclear antibiotic; COVID-19, coronavirus disease 2019.
The PCS and MCS assessed by the SF-12 questionnaire for the report population subgrouped for patients with at least 1 symptom or no symptoms at 12 months mail–COVID-19 symptom onset. Information are presented as medians and interquartile ranges, and P values for the group differences are based on the Isle of mann-Whitney U test for contained samples. Significant differences are marked with an asterisk (*P < .05, **P < .01). Abbreviations: COVID-19, coronavirus disease 2019; MCS, Mental Component Scale; PCS, Physical Component Scale; SF-12, 12-item Short Course Survey.
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