Objectives: To our knowledge, there is no systematic review examining CVD risks after a SARS-CoV-2 infection over time, while also taking into account disease severity. All evidence on the risk for pulmonary embolism (PE), myocardial infarction (MI), ischaemic stroke (IS), haemorrhagic stroke (HS), and arterial thrombosis following infection was evaluated.
Methods: The protocol was registered with PROSPERO. We searched Pubmed, Embase, MedRxiv and screened the titles/abstracts and full texts. We extracted the included studies, assessed their quality, and estimated pooled risks by time after infection and according to disease severity.
Results: Risks were highest in the acute phase [PE: 27.1 (17.8-41.10); MI: 4.4 (1.6-12.4); stroke: 3.3 (2.1-5.2); IS: 5.6 (2.1-14.8); HS: 4.0 (0.1-326.2)] compared to the post-acute phase [PE: 2.9 (2.6-3.3); MI: 1.4 (1.1-1.9); stroke: 1.4 (1.0-2.0); IS: 1.6 (0.9-2.7)]. Highest risks were observed after infection confirmation, dropping during the first month post-infection (e.g. PE: RR(7 days) = 31; RR(1 month) = 8.1). A doubled risk was still observed until 4.5 months for PE, one month for MI and two months for IS. Risks decreased with decreasing disease severity.
Conclusions: Because of increased risk of CVD outcomes, management of persons who survived a severe SARS-CoV-2 infection is required, especially during the first nine months post-infection.
Keywords: Arterial thrombosis; COVID-19; Haemorrhagic stroke; Ischaemic stroke; Myocardial infarction; Pulmonary embolism.
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