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European Heart Journal ; 42(SUPPL 1):1130, 2021.
Article in English | EMBASE | ID: covidwho-1554678


Introduction: D-dimer is a small protein fragment and is a product of fibrinolysis. A high levels of D-dimer have been suggested as a prognostic factor in cancerous and other critically ill patients. We aimed to evaluate D-dimer levels and outcomes of critically ill patients admitted to a tertiary care intensive coronary care unit (ICCU). Material and method: All patients admitted to the ICCU at our Medical Center between January 1, 2020 and December 31, 2020 were included in the study. Patients were divided into 2 groups according to their Ddimer level on admission. Low D-dimer level <500 ng/ml, and high Ddimer level ≥500 ng/ml. Survival, in-hospital interventions and complications were compared. Results and discussion: Overall 1,082 consecutive patients were included, mean age was 67 (±16), 70% were males. Of them 296 (27.4%) had low D-dimer level and 663 (61.3%) had high D-dimer level. Patients with high D-dimer level were older as compared to patients with low Ddimer level (mean age 70.4±15 and 59±13 years respectively, p=0.004), had significantly higher rate of female gender (35.9% vs 15.9% respectively, p<0.0001) and significantly higher rate of any prior cardiac interventions prior to their admission (26.7% vs 4.4% respectively, p<0.0001). Interestingly, patients with high D-dimer level had significantly lower rate of any acute coronary syndrome (ACS) as compared with the low D-dimer group (25.7 vs 66.4% respectively, p<0.0001) and lower rate of smokers (22.5 vs 45.6% respectively, p<0.0001). All 11 post-COVID-19 patients had high D-dimer level on admission. A multivariate Cox proportional hazards analysis for mortality, adjusted for age, gender, risk factors for cardiovascular disease, ejection fraction<40 found that high D-dimer level was independently associated with higher mortality rates (HR=5.8;95% CI;1.7-19.1;p=0.004) as shown in Figure 1. Conclusion: Elevated D-dimer levels on admission in ICCU patients is a poor prognostic factor of in-hospital morbidity and mortality in the first year following hospitalization.