European journal of cardio-thoracic surgery : official journal of the European Association for Cardio-thoracic Surgery · 2021
Antiplatelet therapy after transcatheter aortic valve implantation: a systematic review and meta-analysis.
СтатьяМетаанализСистематический обзорНазвание и аннотация: Перевод пока не подготовлен
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Costa GonçaloNuno Ferraz, Costa Marco, Gonçalves Lino, Teixeira Rogério
Аннотация
OBJECTIVES: The aim of this study was to compare antithrombotic regimens after transcatheter aortic valve implantation (TAVI) in patients without an indication for long-term anticoagulation. TAVI is a safe and effective approach for patients with symptomatic severe aortic stenosis and an intermediate-to-high surgical risk. Nevertheless, the antithrombotic regimen after procedure remains controversial.
METHODS: We systematically searched PubMed, Embase and Cochrane databases for interventional studies comparing single antiplatelet therapy with double antiplatelet therapy after TAVI. A meta-analysis was carried out to compare thrombotic and bleeding events between both strategies.
RESULTS: Four randomized clinical trials were included comprising a total of 1085 patients. Our meta-analysis revealed a higher odds ratio (OR) of major bleeding events (pooled OR 2.45, 95% confidence interval (CI) 1.29-4.67; P < 0.01; I2 = 0%) and minor bleeding (pooled OR 1.73, 95% CI 1.12-2.66; P = 0.01; I2 = 0%) for the double antiplatelet therapy group compared with the single antiplatelet therapy group. There was no difference between groups in the risk of stroke (pooled OR 1.04, 95% CI 0.58-1.86; P = 0.91; I2 = 0%), myocardial infarction (pooled OR 2.10, 95% CI 0.75-5.84; P = 0.16, I2 = 0%) and all-cause mortality (pooled OR 1.07, 95% CI 0.63-1.86; P = 0.08; I2 = 0%) after TAVI.
CONCLUSIONS: Our pooled analysis suggests that for patients who underwent TAVI, double antiplatelet therapy compared with single antiplatelet therapy alone increased the risk of bleeding without reducing mortality and ischaemic events.
METHODS: We systematically searched PubMed, Embase and Cochrane databases for interventional studies comparing single antiplatelet therapy with double antiplatelet therapy after TAVI. A meta-analysis was carried out to compare thrombotic and bleeding events between both strategies.
RESULTS: Four randomized clinical trials were included comprising a total of 1085 patients. Our meta-analysis revealed a higher odds ratio (OR) of major bleeding events (pooled OR 2.45, 95% confidence interval (CI) 1.29-4.67; P < 0.01; I2 = 0%) and minor bleeding (pooled OR 1.73, 95% CI 1.12-2.66; P = 0.01; I2 = 0%) for the double antiplatelet therapy group compared with the single antiplatelet therapy group. There was no difference between groups in the risk of stroke (pooled OR 1.04, 95% CI 0.58-1.86; P = 0.91; I2 = 0%), myocardial infarction (pooled OR 2.10, 95% CI 0.75-5.84; P = 0.16, I2 = 0%) and all-cause mortality (pooled OR 1.07, 95% CI 0.63-1.86; P = 0.08; I2 = 0%) after TAVI.
CONCLUSIONS: Our pooled analysis suggests that for patients who underwent TAVI, double antiplatelet therapy compared with single antiplatelet therapy alone increased the risk of bleeding without reducing mortality and ischaemic events.