Document Detail


Prospective clinical study of a novel left atrial appendage occlusion device.
MedLine Citation:
PMID:  22632497     Owner:  NLM     Status:  In-Data-Review    
Abstract/OtherAbstract:
PURPOSE: This Food and Drug Administration-approved investigational device exempt trial assessed the safety and efficacy of a novel device for external left atrial appendage (LAA) exclusion.
DESCRIPTION: Delivery tool and implant consisting of connectors imbedded in a compliant, soft silicone applied to the base of the LAA flush with the external wall was assessed.
EVALUATION: Patients in this prospective, multicenter trial were undergoing elective, nonendoscopic cardiac operations. A core laboratory independently assessed all intraprocedural and 90-day transesophageal echocardiograms. Sixty patients (37 men), aged 33 to 86 years, enrolled. The mean LAA application time was 27 seconds. Transesophageal echocardiograms at 90 days were available in 54 patients, and no leaks were detected. The residual LAA cavity exceeded 6 mm in 5 patients. One delivery device failed to close, and an adjunctive suture was required to complete LAA exclusion. One patient required adjunct sutures at a small tear site related to manual manipulation after fastener application.
CONCLUSIONS: The study demonstrated safety and efficacy of this LAA exclusion device, offering an alternative to manual suturing or staples with or without reinforcement.
Authors:
A David Slater; Antone J Tatooles; Arthur Coffey; Patroklos S Pappas; Michael Bresticker; Kevin Greason; Mark S Slaughter
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Publication Detail:
Type:  Journal Article    
Journal Detail:
Title:  The Annals of thoracic surgery     Volume:  93     ISSN:  1552-6259     ISO Abbreviation:  Ann. Thorac. Surg.     Publication Date:  2012 Jun 
Date Detail:
Created Date:  2012-05-28     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  15030100R     Medline TA:  Ann Thorac Surg     Country:  Netherlands    
Other Details:
Languages:  eng     Pagination:  2035-40     Citation Subset:  AIM; IM    
Copyright Information:
Copyright © 2012 The Society of Thoracic Surgeons. Published by Elsevier Inc. All rights reserved.
Affiliation:
Division of Thoracic and Cardiovascular Surgery, University of Louisville, Louisville, Kentucky.
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