Sex Differences in Safety and Effectiveness of LAAO: Insights From the Amulet IDE Trial |
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Institution: | 1. Mayo Clinic, Rochester, Minnesota, USA;2. Cooper Medical School of Rowan University, Camden, New Jersey, USA;3. Tufts Medical Center, Boston, Massachusetts, USA;4. Inselspital, University of Bern, Bern, Switzerland;5. Abbott Structural Heart, Plymouth, Minnesota, USA;6. Kansas City Heart Rhythm Institute and Research Foundation, Overland Park, Kansas, USA |
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Abstract: | BackgroundWomen have higher rates of acute complications after left atrial appendage occlusion (LAAO). However, data on long-term safety and effectiveness are limited.ObjectivesThe aim of this study was to examine sex-specific short- and long-term outcomes after LAAO in the Amulet IDE (Amplatzer? Amulet? LAA Occluder) trial.MethodsThe following outcomes were compared between men and women: in-hospital complications, device-related outcomes (peridevice leak at 45 days and device-related thrombus at 18 months), and long-term clinical outcomes (death, thromboembolism, and bleeding). Subanalyses for the interaction between sex and device type were performed.ResultsA total of 1,833 patients underwent attempted device implantation (917 with the Amulet and 916 with the Watchman), of whom 734 were women (40%). Device success was 97.4% in men and 97.1% in women (P = 0.60). Rates of major in-hospital adverse events were higher in women (4.4% vs 1.9%; P < 0.01), driven by major bleeding (3.7% vs 1.0%; P < 0.01) and pericardial effusion requiring intervention (2.0% vs 0.5%; P < 0.01). Peridevice leak and device-related thrombus were similar in men and women (18.3% vs 18.9% P = 0.78] and 3.3% vs 5.0% P = 0.10], respectively). There were no differences between men and women in rates of ischemic stroke or systemic embolism (2.6% vs 2.6%; P = 0.98), transient ischemic attack (1.3% vs 1.6%; P = 0.69), hemorrhagic stroke (0.5% vs 0.4%; P = 0.88), major bleeding (10.1% vs 10.9%; P = 0.49), cardiovascular death (4.3% vs 3.5%; P = 0.45), or all-cause death (8.9% vs 6.9%; P = 0.16).ConclusionsIn the Amulet IDE trial, long-term clinical outcomes including effectiveness following LAAO were comparable in men and women despite the higher rates of in-hospital complications due to major bleeding and pericardial effusion in women. (Amplatzer? Amulet? LAA Occluder Trial Amulet IDE]; NCT02879448) |
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Keywords: | atrial fibrillation left atrial appendage occlusion sex differences stroke CV"} {"#name":"keyword" "$":{"id":"kwrd0035"} "$$":[{"#name":"text" "_":"cardiovascular DRT"} {"#name":"keyword" "$":{"id":"kwrd0045"} "$$":[{"#name":"text" "_":"device-related thrombus IS"} {"#name":"keyword" "$":{"id":"kwrd0055"} "$$":[{"#name":"text" "_":"ischemic stroke LAAO"} {"#name":"keyword" "$":{"id":"kwrd0065"} "$$":[{"#name":"text" "_":"left atrial appendage occlusion NVAF"} {"#name":"keyword" "$":{"id":"kwrd0075"} "$$":[{"#name":"text" "_":"nonvalvular atrial fibrillation OAC"} {"#name":"keyword" "$":{"id":"kwrd0085"} "$$":[{"#name":"text" "_":"oral anticoagulation PDL"} {"#name":"keyword" "$":{"id":"kwrd0095"} "$$":[{"#name":"text" "_":"peridevice leak SE"} {"#name":"keyword" "$":{"id":"kwrd0105"} "$$":[{"#name":"text" "_":"systemic embolism TIA"} {"#name":"keyword" "$":{"id":"kwrd0115"} "$$":[{"#name":"text" "_":"transient ischemic attack |
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