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Sökning: WFRF:(Dixen U)

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  • 2017
  • swepub:Mat__t
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  • Madsen, C. L., et al. (författare)
  • The left atrial appendage closure by surgery-2 (LAACS-2) trial protocol rationale and design of a randomized multicenter trial investigating if left atrial appendage closure prevents stroke in patients undergoing open-heart surgery irrespective of preoperative atrial fibrillation status and stroke risk
  • 2023
  • Ingår i: American Heart Journal. - 0002-8703. ; 264, s. 133-142
  • Tidskriftsartikel (refereegranskat)abstract
    • Background Current recommendations regarding the use of surgical left atrial appendage (IAA) closure to prevent thromboembolisms lack high-level evidence. Patients undergoing open-heart surgery often have several cardiovascular risk factors and a high occurrence of postoperative atrial fibrillation (AF)-with a high recurrence rate-and are thus at a high risk of stroke. Therefore, we hypothesized that concomitant IAA closure during open-heart surgery will reduce mid-term risk of stroke independently of preoperative AF status and CHA 2 DS 2 -VASc score. Methods This protocol describes a randomized multicenter trial. Consecutive participants & GE;18 years scheduled for first-time planned open-heart surgery from cardiac surgery centers in Denmark, Spain, and Sweden are included. Both patients with a previous diagnosis of paroxysmal or chronic AF, as well as those without AF, are eligible to participate, irrespective of their CHA 2 DS 2 -VASc score. Patients already planned for ablation or IAA closure during surgery, with current endocarditis, or where follow-up is not possible are considered noneligible. Patients are stratified by site, surgery type, and preoperative or planned oral anticoagulation treatment. Subsequently, patients are randomized 1:1 to either concomitant IAA closure or standard care (ie, open IAA). The primary outcome is stroke, including transient ischemic attack, as assigned by 2 independent neurologists blinded to the treatment allocation. To recognize a 60% relative risk reduction of the primary outcome with LAA closure, 1,500 patients are randomized and followed for 2 years (significance level of 0.05 and power of 90%). Conclusions The LAACS-2 trial is likely to impact the LAA closure approach in most patients undergoing open-heart surgery. Trial registration: NCT03724318. (Am HeartJ 2023;264:133-142.)
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