Abstract
Objectives: It is unclear whether patients with acute pulmonary thromboembolism (PE) with and without residual deep vein thrombosis (DVT) have different prognoses, and there is debate over whether inferior vena cava filters (IVCFs) should be used in conjunction with oral anticoagulants in patients with venous thromboembolism (VTE).
Materials and Methods: The J’xactly involved 1,016 patients and was a multicenter, prospective, observational research. In this subanalysis, 419 patients with PE with or without residual DVT who received rivaroxaban with or without IVCFs between February 2016 and April 2018 in Japan were examined.
Results: Of 419 patients with PE, 320 had residual DVT. There was no difference between the groups with and without DVT in terms of the percentage of patients who experienced symptomatic PE recurrence (2.8% [9/320] vs. 3.0% [3/99]) or who died from VTE-related complications (0.9% [3/320] vs. 1.0% [1/99]). The percentages of patients with symptomatic PE recurrence were 0% and 3.2%, and the percentages of patients who died from VTE-related causes were 0% and 1.1%, respectively, in the groups with (n=39) and without (n=281) IVCF, albeit not being statistically different.
Conclusion: Patients with PE with and without residual DVT did not have a different incidence of symptomatic PE recurrence. These results require additional study to be confirmed.
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