Cytokines (IL1β, IL6, TNFα) and serum cortisol levels may not constitute reliable biomarkers to identify individuals with post-acute sequelae of COVID-19.
Michael Fleischer, Fabian Szepanowski, Anne K Mausberg, Livia Asan, Ellen Uslar, Denise Zwanziger, Lothar Volbracht, Mark Stettner, Christoph Kleinschnitz
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引用次数: 0
Abstract
Background: Post-acute sequelae of COVID-19 (PASC) comprise a broad spectrum of symptoms such as fatigue, general weakness, compromised attention and sleep or anxiety disorders. PASC represents a medical and socio-economic challenge.
Objectives: Our study evaluated cytokines (IL-1β, IL-6 and TNFα) and cortisol levels in a cohort of typical patients with PASC, suffering concentration problems, fatigue and difficulties finding words.
Design: This was a prospective cohort study. Four groups were analysed and compared: those who had never contracted SARS-CoV-2 (n = 13), infected but had no PASC (n = 34), infected with former PASC that resolved (n = 40) and patients with ongoing PASC after infection (n = 91).
Methods: Cytokine and cortisol serum levels were determined in patients' blood samples.
Results: Cytokine levels of IL-1β, IL-6, TNFα and cortisol levels did not differ between groups analysed.
Conclusion: This may indicate a non-organic/psychosomatic genesis of PASC; further studies are needed to elucidate the underlying causes of PACS, and non-organic causes should not be overlooked.
期刊介绍:
Therapeutic Advances in Neurological Disorders is a peer-reviewed, open access journal delivering the highest quality articles, reviews, and scholarly comment on pioneering efforts and innovative studies across all areas of neurology. The journal has a strong clinical and pharmacological focus and is aimed at clinicians and researchers in neurology, providing a forum in print and online for publishing the highest quality articles in this area.