Association between D-dimer levels and post-acute sequelae of SARS-CoV-2 in patients from a tertiary care center

Background: Post-acute sequelae of SARS-CoV-2 (PASC) is becoming an important concern in SARS-CoV-infected people. The pathophysiology behind PASC is unknown, and much study should be carried out to check the D-dimer levels in the PASC population. Methodology: In COVID-19 patients, the D-dimer level was checked during admission and discharge, and a follow-up study was carried out after 3 and 6 months of discharge. The results were compared with the appropriate statistical tests. Results: Patients had a high D-dimer value than the normal range, and the elevated D-dimer value continued to increase up to 6 months. Conclusion: Persistence of PASC has a direct correlation with increased D-dimer values. D-dimer can be used as biomarker in PASC patients.