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Abstract

Pulmonary embolism (PE) is a serious medical condition that can occur as a result of venous thromboembolism (VTE). COVID-19, also known as Post-Acute Sequelae of SARS-CoV-2 infection (PASC), can potentially lead to PE due to the formation of blood clots in the lungs. This study aims to collate and report trends of PE in patients with long COVID (4-12 weeks since infection) and post-COVID-19 syndrome (>12 weeks since infection). The study adhered to PRISMA Statement 2020 guidelines, and a systematic search was conducted in four databases. In total, nine observational studies were included with a total patient count of 45,825,187. The incidence of PE with long COVID/post-COVID-19 syndrome was seen among 31,885 individuals out of 44,967,887 participants. The incidence rate of PE was observed as 0.07%, given that the studies included matched controls. While we cannot state with certainty that COVID-19 infection in itself leads to higher risks of PE at a later time, this study emphasizes the need for optimized care and longitudinal studies during the COVID-19 era to account for deviations from the norm.

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