D-dimer concentrations and covid-19 severity: A systematic review and meta-analysis

Panagiotis Paliogiannis, Arduino Aleksander Mangoni, Paola Dettori, Gheyath K. Nasrallah, Gianfranco Pintus, Angelo Zinellu

Research output: Contribution to journalReview articlepeer-review

20 Citations (Scopus)
1 Downloads (Pure)

Abstract

Coronavirus disease 2019 (COVID-19) is a recently described infectious disease caused by severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2). Since late 2019, COVID-19 has rapidly spread in virtually all countries, imposing the adoption of significant lockdown and social distancing measures. The activation of the coagulation cascade is a common feature of disseminated intravascular coagulation and adverse clinical outcomes in COVID-19 patients. In this study, we conducted a meta-analysis aiming to investigate differences in serum D-dimer concentrations in patients with and without severe COVID-19 disease. An electronic search in Medline (PubMed), Scopus and Web of Science was performed with no language restrictions, and 13 articles were reporting on 1,807 patients (585, 32.4%with severe disease) were finally identified and included in the meta-analysis. The pooled results of all studies revealed that the D-dimer concentrations were significantly higher in patients with more severe COVID-19 (SMD: 0.91 mg/L; 95% CI, 0.75 to 1.07 mg/L, p < 0.0001). The heterogeneity was moderate (I2 = 46.5%; p = 0.033). Sensitivity analysis showed that the effect size was not modified when any single study was in turn removed (effect size range, 0.87mg/L to 0.93mg/L). The Begg’s (p = 0.76) and Egger’s tests (p = 0.38) showed no publication bias. In conclusion, our systematic review and meta-analysis showed that serum D-dimer concentrations in patients with severe COVID-19 are significantly higher when compared to those with non-severe forms.

Original languageEnglish
Article number432
Number of pages7
JournalFrontiers in Public Health
Volume8
DOIs
Publication statusPublished - 4 Aug 2020

Keywords

  • Coagulation
  • COVID-19
  • D-dimer
  • SARS-CoV
  • Thrombosis

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