Randomized controlled trial of rivaroxaban versus warfarin in the management of acute non-neoplastic portal vein thrombosis
Abstract
BACKGROUND AND AIM
Anticoagulation therapy is the main line of treatment for acute portal vein thrombosis (PVT) in the absence of cirrhosis. However, the use of this therapy in cirrhotic PVT is still with doubtful evidence. We aimed to evaluate the efficacy and safety of rivaroxaban compared to warfarin for the management of acute non-neoplastic PVT in Hepatitis C virus (HCV)-related compensated cirrhosis.
METHODS
Out of 578 patients with chronic HCV infection, 80 patients with acute PVT who had undergone splenectomy due to hypersplenism and 4 patients with acute PVT due to portal pyemia were selected. The patients were randomly assigned (1:1) to the study group (n = 40), in which the patients received rivaroxaban 10 mg/12 h, or the control group (n = 40), in which the patients received warfarin.
RESULTS
In the rivaroxaban group, the resolution of PVT was achieved in 34 patients (85%) within 2.6 ± 0.4 months and delayed, partial recanalization after 6.7 ± 1.2 months (n = 6.15%). Complications such as major bleeding, abnormal liver functions, death, or recurrence did not occur during treatment, and patients in this group showed improved short-term survival rate (20.4 ± 2.2 months) compared to the survival rate in the control group (10.6 ± 1.8 months) in which warfarin achieved complete resolution in 45% of patients. Complications such as severe upper GI tract bleeding (43.3%), hepatic decompensation (22.5%), progression to mesenteric ischemia (12.5%), recurrence (10%), and…
How strong is the evidence?
Evidence Hub reads this as a randomized trial, done in people. Its evidence level is 2 of 5 (High · randomized trial). Randomized trials of a reasonable size are the strongest single-study design. Reported size: 578 participants or records.
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