Introduction The novel severe acute respiratory syndrome coronavirus 2 (SARS‐CoV‐2) has caused a pandemic. Many studies have shown that several laboratory parameters are related to disease severity and mortality in SARS‐CoV‐2 cases. This meta‐analysis aimed to determine the relationship of a prognostic factor, D‐dimer, with disease severity, need for intensive care unit (ICU) care, and mortality in SARS‐CoV‐2 patients. Methods A systematic search for all observational studies and trials involving adult patients with SARS‐CoV‐2 that had any data related to D‐dimer on admission was conducted using PubMed, Science Direct, Scopus, ProQuest, and MedRxiv databases. We performed random‐effects inverse‐variance weighting analysis using mean difference (MD) of D‐dimer values for outcomes such as disease severity, mortality, and need for ICU care. Results A total of 29 studies (4,328 patients) were included in this meta‐analysis, which revealed a higher mean of D‐dimer levels on admission in severe patients than in nonsevere patients (MD = 0.95, [95% confidence interval (CI): 0.61‐1.28], P < .05; I2 = 90%). The nonsurvivor group had a higher pooled MD of D‐dimer values on admission (MD = 5.54 [95% CI: 3.40‐7.67], P < .05; I2 = 90%). Patients who needed ICU admission had insignificantly higher D‐dimer values than patients who did not need ICU admission (MD = 0.29, [95% CI: −0.05 to 0.63], P = .10; I2 = 71%). Conclusion Elevated D‐dimer levels on admission were associated with an increased risk of disease severity and mortality in patients with SARS‐CoV‐2 infection.
VIE could be used as a complementary tool to conventional CT visualizations for the analysis of luminal changes and assessment of disease extent caused by the coronary plaques.
INTRODUCTION: COVID-19 is a systemic infection with a significant impact on coagulation which manifests in thromboembolism. There is an unknown relationship of which coagulation profile parameter at presentation has an association with poor outcome in COVID-19. OBJECTIVE: This meta-analysis aimed to determine the relationship between fibrinogen and FDP with poor outcome in COVID-19 patients. METHODS: A systematic search of all observational studies or trials involving adult patients with COVID-19 that had any data fibrinogen or FDP on admission was carried out using the PubMed, Science Direct, Scopus, ProQuest, and MedRxiv databases. We assessed the methodological quality assessment using the NIH Quality Assessment Tool. We performed random-effects inverse-variance weighting analysis using mean difference (MD). RESULTS: A total of 17 studies (1,654 patients) were included in this meta-analysis. It revealed a higher mean of fibrinogen levels on admission in patients with severe case compared to those with non-severe case (MD = 0.69, [95% CI: 0.44 to 0.94], p < 0.05; I2 = 72%, p < 0.05). Non-survivor group had a pooled higher mean difference of fibrinogen values on admission (MD = 0.48 [95% CI: 0.13 to 0.83], p < 0.05; I2 = 38%, p = 0.18). Higher FDP on admission was found in poor outcome (composite of severity, critically ill, and mortality) compared to good outcome (4 studies, MD = 4.84 [95% CI: 0.75 to 8.93], p < 0.05; I2 = 86%, p < 0.05). CONCLUSION: Elevated fibrinogen and FDP level on admission were associated with an increase risk of poor outcome in COVID-19 patients.
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