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Post-COVID-19 syndrome: epidemiology, diagnostic criteria and pathogenic mechanisms involved

Revista de neurologiá, 2021-06, Vol.72 (11), p.384-396 [Peer Reviewed Journal]

EISSN: 1576-6578 ;DOI: 10.33588/rn.7211.2021230

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  • Title:
    Post-COVID-19 syndrome: epidemiology, diagnostic criteria and pathogenic mechanisms involved
  • Author: Carod-Artal, F J
  • Is Part Of: Revista de neurologiá, 2021-06, Vol.72 (11), p.384-396
  • Description: INTRODUCTIONMany patients with mild or severe COVID-19 do not make a full recovery and have a wide range of chronic symptoms for weeks or months after infection, often of a neurological, cognitive or psychiatric nature. The epidemiological evidence, diagnostic criteria and pathogenesis of post-COVID-19 syndrome are reviewed. DEVELOPMENTPost-COVID-19 syndrome is defined by persistent clinical signs and symptoms that appear while or after suffering COVID-19, persist for more than 12 weeks and cannot be explained by an alternative diagnosis. The symptoms can fluctuate or cause relapses. It is a heterogeneous condition that includes post-viral chronic fatigue syndrome, sequelae in multiple organs and the effects of severe hospitalisation/post-intensive care syndrome. It has been reported in patients with mild or severe COVID-19 and irrespective of the severity of the symptoms in the acute phase. Between 10% and 65% of survivors who had mild/moderate COVID-19 present symptoms of post-COVID-19 syndrome for 12 weeks or more. At six months, subjects report an average of 14 persistent symptoms. The most common symptoms are fatigue, dyspnoea, anxiety, depression, and impaired attention, concentration, memory and sleep. The underlying biological mechanisms are unknown, although an abnormal or excessive autoimmune and inflammatory response may play an important role. CONCLUSIONSClinical manifestations are diverse, fluctuating and variable, although fatigue and neurocognitive complaints predominate. There is no defined consensus on post-COVID-19 syndrome and its diagnostic criteria have not been subjected to adequate psychometric evaluation.
  • Language: English;Spanish
  • Identifier: EISSN: 1576-6578
    DOI: 10.33588/rn.7211.2021230
  • Source: Alma/SFX Local Collection
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