Peridevice Leak After Transcatheter Left Atrial Appendage Occlusion An Analysis of the Amulet IDE Trial

被引:40
作者
Price, Matthew J. [1 ]
Ellis, Christopher R. [2 ]
Nielsen-Kudsk, Jens Erik [3 ]
Thaler, David [4 ]
Gupta, Nigel [5 ]
Koulogiannis, Konstantinos [6 ]
Anderson, Jordan A. [7 ]
Gage, Ryan [7 ]
Lakkireddy, Dhanunjaya [8 ]
机构
[1] Scripps Clin, Div Cardiovasc Dis, La Jolla, CA 92037 USA
[2] Vanderbilt Heart Inst, Nashville, TN USA
[3] Aarhus Univ Hosp, Aarhus N, Denmark
[4] Tufts Med Ctr, Boston, MA 02111 USA
[5] Los Angeles Med Ctr, Los Angeles, CA USA
[6] Morristown Med Ctr, Cardiovasc Core Lab, Morristown, NJ USA
[7] Abbott Struct Heart, Plymouth, MN USA
[8] Kansas City Heart Rhythm Inst & Res Fdn, Overland Pk, KS USA
关键词
Amulet; atrial fibrillation; left atrial appendage; thromboembolism; Watchman; WATCHMAN DEVICE; CLINICAL IMPACT; CLOSURE;
D O I
10.1016/j.jcin.2022.09.001
中图分类号
R5 [内科学];
学科分类号
1002 ; 100201 ;
摘要
BACKGROUND Peridevice leak (PDL) is a limitation of left atrial appendage occlusion. OBJECTIVES The aim of this study was to assess the incidence of and outcomes associated with PDL in the Amulet IDE (AMPLATZER (TM) Amulet (TM) LAA Occluder Trial) randomized controlled trial. METHODS Patients with atrial fibrillation at increased stroke risk were randomly assigned to undergo either Amulet (dual occlusive mechanism) or Watchman 2.5 (single occlusive mechanism) device implantation. Transesophageal echocardiography was performed at 45 days and 12 months postprocedure. Clinically significant PDL was defined as >= 3 mm. The primary endpoint was ischemic stroke or systemic embolism, and the secondary endpoint was stroke, systemic embolism, or cardiovascular death. The Kaplan-Meier method was used to estimate 18-month cumulative event rates landmarked at day 45 postprocedure. RESULTS A total of 1,593 patients underwent successful left atrial appendage occlusion and had an evaluable transesophageal echocardiographic studies at 45 days. The dual-occlusive mechanism device provided superior closure (defined as leak <3 mm) compared with the single-occlusive mechanism device at 45 days (88.9% vs 74.1%; P < 0.01) and 12 months (90.5% vs. 78.3%; P < 0.01). Through 18 months, PDL was associated with a higher, but not statistically significant, risk for the primary endpoint (3.6% vs 1.8%; adjusted HR: 1.98; 95% CI: 0.93-4.19; P = 0.07) and a statistically significantly higher risk for the secondary endpoint (8.1% vs. 4.7%; adjusted HR: 1.66; 95% CI: 1.02-2.69; P = 0.04). CONCLUSIONS The dual-occlusive mechanism device provided superior closure compared with the single-occlusive mechanism device at both 45 days and 1 year postprocedure. PDL >= 3 mm was associated with a significantly increased 18-month risk for the composite of stroke, systemic embolism, or cardiovascular death. Completeness of closure of the left atrial appendage has important implications for patient outcomes. (AMPLATZER (TM) Amulet (TM) LAA Occluder Trial [Amulet IDE]; NCT02879448) (c) 2022 by the American College of Cardiology Foundation.
引用
收藏
页码:2127 / 2138
页数:12
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