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Left atrial closure device

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https://www.readbyqxmd.com/read/28218217/efficacy-and-safety-of-the-watchman-left-atrial-appendage-system-for-stroke-prevention-in-chinese-patients-with-nonvalvular-atrial-fibrillation-a-single-center-prospective-observational-study
#1
Wei-Ping Huang, Yong-Hua Zhang, Lei He, Xi Su, Xin-Wei Yang, Zai-Xiong Guo
BACKGROUND: In patients with nonvalvular atrial fibrillation (NVAF), embolic stroke is thought to be associated with left atrial appendage (LAA) thrombi. The WATCHMAN LAA Occlusion Device has been shown to be noninferior to conventional oral anticoagulation with warfarin for stroke prevention in patients with NVAF. This study aimed to evaluate the procedural feasibility, safety and 12-month outcomes of the WATCHMAN LAA Occlusion Device in NVAF patients with high risk for stroke in China...
2017: Chinese Medical Journal
https://www.readbyqxmd.com/read/28149625/five-years-of-keeping-a-watch-on-the-left-atrial-appendage-how-has-the-watchman-fared
#2
COMMENT
Mohammad-Ali Jazayeri, Venkat Vuddanda, Valay Parikh, Madhav Lavu, Donita Atkins, Y Madhu Reddy, Jayant Nath, Dhanunjaya R Lakkireddy
Left atrial appendage closure (LAAC) is a promising site-directed therapy for stroke prevention in patients with non-valvular atrial fibrillation (AF) who are ineligible or contraindicated for long-term oral anticoagulation. A variety of LAAC modalities are available, including percutaneous endocardial occluder devices such as WATCHMAN(TM) (Boston Scientific Corp., Marlborough, MA, USA), and an ever-increasing body of evidence is helping to define the optimal use of each technique. Similarly increased experience with LAAC has revealed challenges such as device-related thrombi and peri-device leaks for which the long-term significance and appropriate management are areas of active investigation...
December 2016: Journal of Thoracic Disease
https://www.readbyqxmd.com/read/28129320/totally-endoscopic-robotic-left-atrial-appendage-closure-demonstrates-high-success-rate
#3
Alison F Ward, Robert M Applebaum, Nana Toyoda, Ans Fakiha, Peter J Neuburger, Jennie Ngai, Robert G Nampiaparampil, David W Yaffee, Didier F Loulmet, Eugene A Grossi
OBJECTIVE: In patients with atrial fibrillation, 90% of embolic strokes originate from the left atrial appendage (LAA). Successful exclusion of the LAA is associated with a lower stroke rate in patients with atrial fibrillation. Surgical oversewing of the LAA is often incomplete when evaluated with transesophageal echocardiogram (TEE). External closure techniques of suturing and stapling have also demonstrated high failure rates with persistent flow and large stumps. We hypothesized that the precise visualization of a robotic LAA closure (RLAAC) would result in superior closure rates...
January 2017: Innovations: Technology and Techniques in Cardiothoracic and Vascular Surgery
https://www.readbyqxmd.com/read/28128883/early-canadian-multi-center-experience-with-watchman-for-percutaneous-left-atrial-appendage-closure
#4
Jacqueline Saw, Peter Fahmy, Lorenzo Azzalini, Jean-Francois Marquis, Benjamin Hibbert, Carlos Morillo, Aldo Carrizo, Reda Ibrahim
BACKGROUND: There is limited data with WATCHMAN for left atrial appendage (LAA) closure in patients with non-valvular atrial fibrillation (AF) and contraindications to anticoagulation. The purpose of this study was to evaluate the safety and efficacy of WATCHMAN in our early Canadian experience. METHODS: We report our pooled consecutive series of patients who underwent WATCHMAN implantation at 4 major Canadian centers. Indications for LAA closure were CHADS2 ≥ 1 or CHA2 DS2 -VASc ≥ 2, and contraindication/intolerance to or failure on anticoagulation...
January 27, 2017: Journal of Cardiovascular Electrophysiology
https://www.readbyqxmd.com/read/28128523/initial-clinical-experience-with-the-gore-%C3%A2-cardioform-asd-occluder-for-transcatheter-atrial-septal-defect-closure
#5
Quentin de Hemptinne, Eric M Horlick, Mark D Osten, Xavier Millán, Victor-Xavier Tadros, Michele Pighi, Francisco Gonzalez Barlatey, Sami M Alnasser, Joaquim Miró, Anita W Asgar, Réda Ibrahim
OBJECTIVES: To report the initial clinical experience with a novel atrial septal defect (ASD) closure device, the GORE(®) CARDIOFORM ASD Occluder (GCO). BACKGROUND: Transcatheter closure has become the treatment of choice for secundum ASD. A wide range of occluder devices are available, but concern has been raised about the risk of cardiac erosion associated with rigid devices and future access to the left atrium METHODS: Retrospective chart review of patients treated with the GCO at three Canadian centers...
January 27, 2017: Catheterization and Cardiovascular Interventions
https://www.readbyqxmd.com/read/28121919/roles-of-real-time-three-dimensional-transesophageal-echocardiography-in-peri-operation-of-transcatheter-left-atrial-appendage-closure
#6
Qing Zhou, Hongning Song, Lan Zhang, Qing Deng, Jinling Chen, Bo Hu, Yijia Wang, Ruiqiang Guo
Left atrial appendage (LAA) closure is a new treatment option for the prevention of stroke in patients with nonvalvular atrial fibrillation (AF). Conventional 2-dimensional transesophageal echocardiography (2D TEE) has some limitations in the imaging assessment of LAA closure. Real-time 3-dimensional transesophageal echocardiography (RT-3D TEE) allows for detailed morphologic assessment of the LAA. In this study, we aim to determine the clinical values of RT-3D TEE in the periprocedure of LAA closure.Thirty-eight persistent or paroxysmal AF patients with indications for LAA closure were enrolled in this study...
January 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/28089095/characteristics-of-anatomy-and-function-of-the-left-atrial-appendage-and-their-relationships-in-patients-with-cardioembolic-stroke-a-3-dimensional-transesophageal-echocardiography-study
#7
Yuki Matsumoto, Yoshihiro Morino, Akiko Kumagai, Maiko Hozawa, Motoyuki Nakamura, Yasuo Terayama, Atsushi Tashiro
BACKGROUND: Increasing attention is being paid to the left atrial appendage (LAA) in the context of risk stratification in cardioembolic stroke (CES) and the requirement for meticulous planning of percutaneous closure device implantation. However, detailed systematic assessment of the LAA remains limited. METHODS: This study evaluated the anatomy and function of LAA using 3-dimensional transesophageal echocardiography (3D-TEE) on 194 consecutive patients older than 50 years old hospitalized exclusively for CES...
January 6, 2017: Journal of Stroke and Cerebrovascular Diseases: the Official Journal of National Stroke Association
https://www.readbyqxmd.com/read/28077177/transcatheter-closure-of-secundum-atrial-septal-defects-has-fear-of-device-erosion-altered-outcomes
#8
Bryan Mitchelson, Clare O'Donnell, Peter Ruygrok, John Wright, John Stirling, Nigel Wilson
BACKGROUND: Transcatheter device closure has become the established standard of care for suitable atrial septal defects. Device erosion has been a recent focus and has prompted changes in the Instructions for Users documentation released by device companies. We reviewed our entire local experience with atrial septal defect device closure, focussing on the evolution of this procedure in our centre and particularly on complications. METHODS: We carried out a retrospective review of 581 consecutive patients undergoing attempted transcatheter device closure of an atrial septal defect in Auckland from December 1997 to June 2014...
January 12, 2017: Cardiology in the Young
https://www.readbyqxmd.com/read/28065447/percutaneous-left-atrial-appendage-closure-followed-by-single-antiplatelet-therapy-short-and-mid-term-outcomes
#9
Zakaria Jalal, Marie-Lou Dinet, Nicolas Combes, Xavier Pillois, Pauline Renou, Igor Sibon, Xavier Iriart, Jean-Benoît Thambo
BACKGROUND: After left atrial appendage closure (LAAC), various antithrombotic protocols have been suggested, but the optimal post-procedural antithrombotic strategy is still under debate. AIMS: To investigate the efficacy and safety of LAAC with an AMPLATZER™ Cardiac Plug (ACP) device (St. Jude Medical, Minneapolis, MN, USA) followed by single antiplatelet therapy. METHODS: Consecutive patients with non-valvular atrial fibrillation and a contraindication for oral anticoagulants who underwent LAAC with an ACP device between 2012 and 2014 in two French centres were included...
January 3, 2017: Archives of Cardiovascular Diseases
https://www.readbyqxmd.com/read/28057291/successful-retrieval-of-a-dislodged-left%C3%A2-atrial-appendage-closure-device
#10
Oh-Hyun Lee, Hancheol Lee, Jung-Sun Kim
No abstract text is available yet for this article.
January 9, 2017: JACC. Cardiovascular Interventions
https://www.readbyqxmd.com/read/28031657/risks-factors-for-atrial-septal-defect-occlusion-device-migration
#11
Efrén Martínez-Quintana, Fayna Rodríguez-González
Atrial septal defect (ASD) is one of the most common congenital heart defects requiring procedural intervention. In such cases, transcatheter closure of secundum ASDs has been demonstrated to be safe and effective in both children and adults, with similar success and complication rates to surgery. However, appropriate patient selection and an accurate device selection is mandatory to prevent serious complications such as ventricular arrhythmias, outflow tract obstruction of the left and right ventricle, or ischemic events secondary to the obstruction of blood flow due to device embolization...
December 2016: International Journal of Angiology: Official Publication of the International College of Angiology, Inc
https://www.readbyqxmd.com/read/28013284/ct-sizing-for-left-atrial-appendage-closure-is-associated-with-favourable-outcomes-for-procedural-safety
#12
Adil Rajwani, Adam J Nelson, Masoumeh G Shirazi, Patrick J S Disney, Karen S L Teo, Dennis T L Wong, Glenn D Young, Stephen G Worthley
AIMS: We evaluated the utility of computerized tomography (CT) with respect to sizing work-up for percutaneous left atrial appendage (LAA) closure, and implications for procedural safety and outcomes. METHODS AND RESULTS: Contrast-enhanced multi-detector CT was routinely conducted to guide sizing for LAA closure in addition to transoesophageal echocardiography (TOE). Procedural safety and efficacy were prospectively assessed. Across 73 consecutive cases there were no device-related procedural complications, and no severe leaks...
December 24, 2016: European Heart Journal Cardiovascular Imaging
https://www.readbyqxmd.com/read/28001014/stroke-prevention-in-atrial-fibrillation-with-left-atrial-appendage-closure
#13
Chad J Zack, Erin A Fender, David R Holmes
Patients with atrial fibrillation (AF) are at risk for stroke and thromboembolism. Oral anticoagulants (OAC) are effective therapies to reduce the risk of stroke; however these agents also increase the risk of bleeding complications. Concerns over bleeding contribute to significant under treatment and leave a substantial proportion of patients at risk for a serious or life-threatening stroke. Identification of the left atrial appendage (LAA) as the major site of pathogenic thrombus formation in AF patients has led to the development of devices which exclude the appendage from systemic circulation...
December 20, 2016: Minerva Medica
https://www.readbyqxmd.com/read/27993750/amplatzer-versus-figulla-occluder-for-transcatheter-patent-foramen-ovale-closure
#14
Daniela Trabattoni, Achille Gaspardone, Gregory A Sgueglia, Franco Fabbiocchi, Gaetano Gioffrè, Piero Montorsi, Giuseppe Calligaris, Maria Iamele, Antonella De Santis, Antonio L Bartorelli
AIMS: To compare in a observational study acute and 12-month results of percutaneous closure of patent foramen ovale (PFO) with two occluder devices. METHODS AND RESULTS: Between June 2007 and October 2014, 406 consecutive patients (48.1±13.3 years, 243 women) underwent percutaneous PFO closure either with the Amplatzer (n=179) or the Figulla (n=227) device after a stroke or a transient ischemic attack ascribed to the PFO. A right-to- left shunt grade >1 was previously detected in all patients and atrial septal aneurysm was present in 111 (27...
December 20, 2016: EuroIntervention
https://www.readbyqxmd.com/read/27979034/interventional-left-atrial-appendage-closure-vs-novel-anticoagulation-agents-in-patients-with-atrial-fibrillation-indicated-for-long-term-anticoagulation-prague-17-study
#15
Pavel Osmancik, Petr Tousek, Dalibor Herman, Petr Neuzil, Pavel Hala, Josef Stasek, Ludek Haman, Petr Kala, Martin Poloczek, Marian Branny, Jan Chovancik, Pavel Cervinka, Jiri Holy, Vlastimil Vancura, Richard Rokyta, Milos Taborsky, Tomas Kovarnik, David Zemanek, Petr Peichl, Sarka Haskova, Jiri Jarkovsky, Petr Widimsky
: Atrial fibrillation (AF), with a prevalence of 1% to 2%, is the most common cardiac arrhythmia. Without antithrombotic treatment, the annual risk of a cardioembolic event is 5% to 6%. The source of a cardioembolic event is a thrombus, which is usually formed in the left atrial appendage (LAA). Prevention of cardioembolic events involves treatment with anticoagulant drugs: either vitamin K antagonists or, recently, novel oral anticoagulants (NOAC). The other (nonpharmacologic) option for the prevention of a cardioembolic event involves interventional occlusion of the LAA...
January 2017: American Heart Journal
https://www.readbyqxmd.com/read/27976795/first-in-human-experience-with-the-cardia-ultraseal-left-atrial-appendage-closure-device-the-feasibility-study
#16
Robert Sabiniewicz, Jarosław Hiczkiewicz, Piotr Wańczura, Wojciech Stecko, Andrzej Curzytek
No abstract text is available yet for this article.
2016: Cardiology Journal
https://www.readbyqxmd.com/read/27972988/health-economic-evaluation-of-watchmantm-left-atrial-appendage-closure-laac-device-vesus-long-term-warfarin-therapy-in-patients-with-atrial-fibrillation-af-in-china
#17
S Zhu, M Zhang, Z Zeng, J Shi, G Chen, J Xuan
No abstract text is available yet for this article.
November 2016: Value in Health: the Journal of the International Society for Pharmacoeconomics and Outcomes Research
https://www.readbyqxmd.com/read/27969997/tct-621-left-atrial-appendage-characteristics-evaluated-by-computed-tomography-following-closure-with-watchman-device
#18
Daniel Kupsky, Dee Dee Wang, Marvin Eng, Thomas Song, Milan Pantelic, Jeffrey Nadig, Adam Greenbaum, William O'Neill
No abstract text is available yet for this article.
November 1, 2016: Journal of the American College of Cardiology
https://www.readbyqxmd.com/read/27969996/tct-622-efficay-and-safety-of-left-atrial-appendage-closure-with-three-different-devices-peri-procedural-and-mid-term-outcomes-from-a-in-a-real-world-registry
#19
Jacopo Andrea Oreglia, Paolo Danna, Alberto Pernigotti, Vincenzo Vizzi, Maurizio Di Biasi, Alessandro Colombo, Alberto Barosi, Simone Colombo, Gaia Telli, Maurizio Viecca
No abstract text is available yet for this article.
November 1, 2016: Journal of the American College of Cardiology
https://www.readbyqxmd.com/read/27969993/tct-618-safety-and-efficacy-of-left-atrial-appendage-closure-with-the-watchman-device-in-patients-older-than-85-years-old-data-from-the-prospective-ewolution-registry
#20
Ignacio Cruz Gonzalez, Hüseyin Ince, Boris Schmidt, User, Leif-Hendrik Boldt, Robin Molitoris, Jean-Benoit Thambo, Christof Wald, Kenneth Stein, Lucas Boersma
No abstract text is available yet for this article.
November 1, 2016: Journal of the American College of Cardiology
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