Summary
More than 3 years after the onset of the Covid-19 global pandemic, a wave of evidence suggests that severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) infection can lead to postacute sequelae in pulmonary and broad array of extrapulmonary organ systems—including increased risks and burdens of cardiovascular disorders, neurologic and mental health disorders, metabolic disorders (diabetes and dyslipidemia), kidney disorders and gastrointestinal disorders. However, up until now, evidence is mostly limited to the first year postinfection.
Bowe et al. built a cohort of 138,818 individuals with SARS-CoV-2 infection and 5,985,227 noninfected control group from the US Department of Veterans Affairs and followed them for 2 years to estimate the risks of death and 80 prespecified postacute sequelae of Covid-19 (PASC) according to care setting during the acute phase of infection.
They found that the increased risk of death was not significant beyond 6 months after infection among nonhospitalised but remained significantly elevated through the 2 years in hospitalised individuals. Within the 80 prespecified sequelae, 69% and 35% of them became not significant at 2 years after infection among nonhospitalised and hospitalised individuals, respectively.
In summary, while risks of many sequelae declined 2 years after infection, the substantial cumulative burden of health loss due to PASC calls for attention to the care needs of people with long-term health effects due to SARS-CoV-2 infection.
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