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Antithrombotic Treatment and Its Association with Outcome in a Multicenter Cohort of Transcatheter Edge-to-Edge Mitral Valve Repair Patients
Transcatheter edge-to-edge mitral valve repair (TEER) has become established as a safe and efficacious therapy for severe mitral regurgitation (MR) in high-risk patients. Despite its widespread use, postprocedural antithrombotic therapy (ATT) still to date is based on local expertise rather than evi...
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| Những tác giả chính: | , , , , , , , , , , , , , |
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| Định dạng: | Bài viết |
| Ngôn ngữ: | Tiếng Anh |
| Được phát hành: |
Philipps-Universität Marburg
2022
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| Những chủ đề: | |
| Truy cập trực tuyến: | Bài toàn văn PDF |
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| Tóm tắt: | Transcatheter edge-to-edge mitral valve repair (TEER) has become established as a safe and efficacious therapy for severe mitral regurgitation (MR) in high-risk patients. Despite its widespread use, postprocedural antithrombotic therapy (ATT) still to date is based on local expertise rather than evidence. In a multicenter, observational cohort study, 646 consecutive patients undergoing TEER were enrolled; 609 patients were successfully treated and antithrombotic therapy analyzed; 449 patients (73.7%) were previously treated with oral anticoagulants (OAC) due to the high prevalence of atrial fibrillation (459/609, 75.4%). Postprocedural ATT in patients previously treated with OAC consisted of no additional, additional single (SAPT) or dual antiplatelet therapy (DAPT) in 146/449 (33.6%), 248/449 (55.2%) and 55/449 (12.2%), respectively. There were 234/449 (52.1%) patients treated with vitamin-k antagonists (VKA) and 215/449 (47.9%) with nonvitamin-k antagonist oral anticoagulants (NOAC). One hundred sixty patients (26.3%) had no prior indication for OAC and were predominantly treated with DAPT (132/160, 82.5%). Use of SAPT (17/160, 10.6%) and no APT (11/160, 6.9%) was marginal. No statistically significant differences in terms of in-hospital mortality or the rate of major adverse cardiac and cerebrovascular events (MACCE) between the different antithrombotic therapy regimens were observed. Multiple Cox regression analysis showed a statistically significant decreased risk for all-cause mortality after a median follow-up of 419 days for OAC monotherapy (HR 0.6, 95%-CI 0.5–0.9, p = 0.04). This study provides evidence for a more favorable long-term outcome of OAC monotherapy in patients with an indication for OAC and reiterates the urgent need for randomized controlled trials on the optimal antithrombotic treatment of TEER patients. |
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| Mô tả sách: | Gefördert durch den Open-Access-Publikationsfonds der UB Marburg. |
| DOI: | 10.3390/jcdd9110366 |