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25 November 2021: Articles

A Case of COVID-19-Associated Free-Floating Aortic Thrombus Successfully Treated with Thrombectomy

Unusual clinical course, Challenging differential diagnosis, Unusual or unexpected effect of treatment

Lisa Dao A , Alina Lund B , Christine D. Schibler B , Christine A. Yoshioka B , Maria Barsky A*

DOI: 10.12659/AJCR.933225

Am J Case Rep 2021; 22:e933225

Figure 2. D-dimer, a COVID-19 inflammatory marker, trended throughout hospitalization. X-axis represents hospital days from day 1, the first day of hospitalization, to day 18, day of hospital discharge. D-dimer was trended approximately once every 2 days; therefore, aside from days 1 and 2 and days 10 to 12, which represent 24-h time frames, all other data points are approximately 48 h apart in the patient’s hospital course. Y-axis is representative of D-dimer values in ng/mL obtained throughout hospitalization. Values are listed in 1000 ng/mL increments. Day 10 (arrow), represented on the X-axis, demonstrates the day the patient’s D-dimer rose significantly and peaked at 6840 ng/mL, as represented on the Y-axis. Close monitoring of the D-dimer trend and observation of its peak on day 10 led to further investigation with computed tomography angiography, which ultimately led to the discovery of a new aortic free-floating thrombus.

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American Journal of Case Reports eISSN: 1941-5923
American Journal of Case Reports eISSN: 1941-5923