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著者: Sert Sena, Mutlu Bulent, Kocakaya Derya, Kaptan Deniz, Ataş Halil, Erdogan Okan, Yıldızeli Bedrettin
雑誌名: Pulm Circ. 2020 Jan-Mar;10(1):2045894019873545. doi: 10.1177/2045894019873545. Epub 2020 Feb 19.
Abstract/Text
Introduction: Lifelong anticoagulation is the cornerstone of the chronic thromboembolic pulmonary hypertension (CTEPH) treatment regardless of the additional pulmonary endarterectomy, balloon pulmonary angioplasty, or medical treatment alone. Aim of this study was to evaluate the rate of oral anticoagulant preferences and document direct oral anticoagulants' (DOACs') safety, efficacy in the CTEPH population.
Methods: Patients' demographic data obtained from database between September 2011 and April 2018. In-hospital events, death, venous thromboembolism (VTE) recurrence, bleeding events and anticoagulant therapy transition were recorded.
Results: We reviewed 501 CTEPH patients who observed 9.0 ± 8.5 years. All-cause death, all bleeding, recurrent VTE was observed in 15.6%, 31% and 12%. Forty-one patients (8.2%) were diagnosed as inoperable. Of all, 15.2% of operable patients remained as residual. All-cause mortality rates were 13.8% (57 pts.) in the warfarin group as compared with 9.7% (13 pts.) in rivaroxaban group (HR: 1.61, 95% CI, 0.89-2.99; p: 0.11). Higher bleeding events occurred with warfarin group (27.1%) as compared with rivaroxaban (24.6%; HR: 1.28, 95% CI, 0.86-1.88; p: 0.22). Major bleeding was significantly higher with warfarin group (HR: 1.94, 95% CI, 1.05-3.62; p: 0.03). Subgroup analysis of all-cause death revealed that this significance dominated by the rate of death according to bleeding events; warfarin versus those seen with rivaroxaban (4.85% vs. 2.2%; HR: 4.75, 95% CI: 1.12-20.16; p = 0.03). The rate of recurrent VTE was found 8.9% in the rivaroxaban group, 10.9% in warfarin group (HR: 1.21, 95% CI, 0.64-2.23; p: 0.55).
Conclusion: DOACs could be a safe and effective alternative for lifelong anticoagulant therapy in CTEPH patients. Rivaroxaban produced similar rates of thromboembolism and non-relevant bleeding compared to those associated with warfarin. The main difference was found with major bleeding that it was mainly associated with the death rate according to major bleeding. Using DOACs might be a more reasonable way to prevent bleeding events without increasing thromboembolic risk.
© The Author(s) 2020.
PMID 32128155 Pulm Circ. 2020 Jan-Mar;10(1):2045894019873545. doi: 10.1177/2045894019873545. Epub 2020 Feb 19.
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