Direct oral anticoagulants versus warfarin for the treatment of inferior vena cava thrombus

Link to article at PubMed

Eur J Haematol. 2023 Sep 8. doi: 10.1111/ejh.14097. Online ahead of print.


OBJECTIVE: To evaluate the efficacy and safety of direct oral anticoagulants (DOACs) compared to warfarin in patients with inferior vena cava (IVC) thrombus.

METHODS: This was a single-system, retrospective cohort study of hospitalized adult patients with IVC thrombus treated with a DOAC or warfarin therapy. The primary efficacy endpoint was the thrombus resolution on imaging, and the primary safety endpoint was major bleeding, both assessed within 6 months of hospital discharge. Secondary endpoints included hospitalization for a bleeding-related event, pulmonary embolism, or death within 6 months of hospital discharge.

RESULTS: A total of 33 patients were included in the study. Twenty-three (70%) patients received a DOAC, and 10 (30%) received warfarin. Of the 10 patients with repeat imaging available, complete resolution was noted in two (33%) DOAC patients and no warfarin patients (p = .5). Major bleeding occurred in two (8.7%) DOAC patients and one (10%) warfarin patient (p = .9). No significant differences in secondary endpoints were observed between groups.

CONCLUSIONS: There were no differences in efficacy and safety between patients receiving DOACs or warfarin for the treatment of IVC thrombus, although results are limited by the small patient population and number of patients with repeat imaging available.

PMID:37688288 | DOI:10.1111/ejh.14097

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