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Deprecated: Implicit conversion from float 235.6 to int loses precision in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 534 Crit+Care+Med 2020 ; 48 (9): 1319-1326 Nephropedia Template TP
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Thromboelastography Profiles of Critically Ill Patients With Coronavirus Disease 2019 #MMPMID32618696
Crit Care Med 2020[Sep]; 48 (9): 1319-1326 PMID32618696show ga
OBJECTIVES: The rate of thromboembolic events among patients with coronavirus disease 2019 is high; however, there is no robust method to identify those at greatest risk. We reviewed thromboelastography studies in critically ill patients with coronavirus disease 2019 to characterize their coagulation states. DESIGN: Retrospective. SETTING: Tertiary ICU in New York City. PATIENTS: Sixty-four patients with coronavirus disease 2019 admitted to the ICU with thromboelastography performed. INTERVENTIONS: None. MEASUREMENTS AND MAIN RESULTS: Fifty percent of patients had a clotting index in the hypercoagulable range (clotting index > 3) (median 3.05). Reaction time and K values were below the lower limit of normal in 43.8% of the population consistent with a hypercoagulable profile. The median alpha angle and maximum amplitude (75.8 degrees and 72.8 mm, respectively) were in the hypercoagulable range. The alpha angle was above reference range in 70.3% of patients indicative of rapid clot formation. Maximum amplitude, a factor of fibrinogen and platelet count and function, and a measure of clot strength was above reference range in 60.1% of patients. Thirty-one percent had thromboembolic events; thromboelastography parameters did not correlate with events in our cohort. Those with D-dimer values greater than 2,000 were more likely to have shorter reaction times compared with those with D-dimer levels less than or equal to 2,000 (4.8 vs 5.6 min; p = 0.001). CONCLUSIONS: A large proportion of critically ill patients with coronavirus disease 2019 have hypercoagulable thromboelastography profiles with additional derangements related to fibrinogen and platelet function. As the majority of patients have an elevated thromboelastography maximum amplitude, a follow-up study evaluating platelet aggregation would be instructive.
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Crit+Care+Med 2020 ; 48 (9): 1319-1326
