A Systematic Review of Persistent Symptoms and Residual Abnormal Functioning Following Acute COVID-19: Ongoing Symptomatic Phase vs. Post-COVID-19 Syndrome

June 2021 in “ bioRxiv (Cold Spring Harbor Laboratory) ”

Glenn Jennings, Ann Monaghan, Xue Feng, David Mockler, Román Romero‐Ortuño

Studysummary This systematic review found that long COVID symptoms, particularly fatigue, sleep disorder, and dyspnoea, were similarly prevalent in ongoing symptomatic COVID-19 and post-COVID-19 syndrome, but psychological issues and poor quality of life were more common in the latter.

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This systematic review compared ongoing symptomatic COVID-19 (OSC) and post-COVID-19 syndrome (PCS) in terms of symptoms, abnormal functioning, psychological burden, and quality of life. It included 39 studies with adult cohorts, with sample sizes ranging from 32 to 1,733. Fatigue was the most common symptom in both phases, affecting 43% during OSC and 44% during PCS. Other prevalent symptoms included sleep disorders, dyspnoea, and cough. Abnormal lung function and imaging were more common in OSC, while anxiety, depression, and decreased quality of life were more frequent in PCS. The evidence quality was moderate, indicating a need for further research to understand the somatic and psychosocial factors in long COVID.

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