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Left atrial appendage occlusion

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https://www.readbyqxmd.com/read/28626989/electrical-isolation-of-the-left-atrial-appendage-by-maze-like-catheter-substrate-modification-a-reproducible-strategy-for-pulmonary-vein-isolation-non-responders
#1
Stefano Bordignon, Laura Perrotta, Daniela Dugo, Fabrizio Bologna, Takahiko Nagase, Alexander Fuernkranz, Kr Julian Chun, Boris Schmidt
INTRODUCTION: The ablation strategy for atrial fibrillation (AF) despite pulmonary vein isolation (PVI) is controversial. Left atrial appendage isolation (LAAI) may contribute to improve outcome. We describe an ablation approach ("Maze-like"-LAAI) that (1) modifies the underlying LA substrate by linear ablation (2) eliminates the LAA as a putative AF trigger site and (3) incorporates an unambiguous procedural endpoint. The role of LAA closure (LAAC) after LAAI was investigated. METHODS: Patients with atrial tachyarrhythmias non-responsive to PVI underwent a LAAI ablation procedure...
June 19, 2017: Journal of Cardiovascular Electrophysiology
https://www.readbyqxmd.com/read/28612910/percutaneous-left-atrial-appendage-occlusion-procedures-in-patients-with-heart-failure
#2
Magdalena Szymała, Witold Streb, Katarzyna Mitręga, Tomasz Podolecki, Grzegorz Mencel, Tomasz Kukulski, Zbigniew Kalarus
BACKGROUND: Atrial fibrillation (AF) is the most common supraventricular tachyarrhythmia. The percutaneous left atrial appendage occlusion (LAAO) may be considered for the stroke prophylaxis in patients with nonvalvular AF (NVAF), especially in contraindications for oral anticoagulants (OAC) or high risk of bleeding. The data about implantation, safety, efficacy and follow-up are limited. Moreover, there are no studies on patients with NVAF and heart failure with severe left ventricular systolic dysfunction (left ventricular ejection fraction - LVEF ≤ 35%)...
June 14, 2017: Kardiologia Polska
https://www.readbyqxmd.com/read/28595859/left-atrial-appendage-occlusion-in-patients-with-atrial-fibrillation-and-previous-major-gastrointestinal-bleeding-from-the-amplatzer-cardiac-plug-multicenter-registry
#3
Mathieu Lempereur, Adel Aminian, Xavier Freixa, Sameer Gafoor, Samera Shakir, Heyder Omran, Sergio Berti, Gennaro Santoro, Joelle Kefer, Ulf Landmesser, Jens Erik Nielsen-Kudsk, Ignacio Cruz-Gonzalez, Prapa Kanagaratnam, Fabian Nietlispach, Reda Ibrahim, Horst Sievert, Wolfgang Schillinger, Jai-Wun Park, Steffen Gloekler, Apostolos Tzikas
History of major gastrointestinal (GI) bleeding may represent a frequent clinical indication for left atrial appendage occlusion (LAAO) in patients with non-valvular atrial fibrillation (AF). This study aims to investigate the procedural safety and long-term outcome of patients with previous major GI bleeding (MGIB) who underwent LAAO. Data from the Amplatzer Cardiac Plug multicenter registry on 1,047 patients were analyzed. Patients with previous MGIB as indication for LAAO were compared with patients without previous MGIB...
May 12, 2017: American Journal of Cardiology
https://www.readbyqxmd.com/read/28591860/suggestions-for-clinical-studies-on-percutaneous-left-atrial-appendage-occlusion-authors-reply
#4
Apostolos Tzikas, David R Holmes, Dhanunjaya Lakkireddy, A John Camm, Thorsten Lewalter
No abstract text is available yet for this article.
June 7, 2017: Europace: European Pacing, Arrhythmias, and Cardiac Electrophysiology
https://www.readbyqxmd.com/read/28580563/-new-treatment-for-vascular-thrombosis-prevention-in-patients-with-atrial-fibrillation-left-atrial-appendage-occlusion
#5
Chen-Wei Lin, Shiao-Pei Wang
Atrial fibrillation (AF) is a common type of arrhythmia that increases significantly the risk of blood clots in the heart and of stroke. Therefore, stroke prevention is a key goal of AF treatment. In the past, patients were required to take anticoagulants for the remainder of their life, to regularly the monitor international normalized ratio (INR) of prothrombin time (PT), and to avoid possible negative interactions with various drugs and foods. Left atrial appendage occlusion (LAAO), a novel device and technique, was thus developed for AF patients with contraindications to anticoagulants and a high risk of bleeding...
June 2017: Hu Li za Zhi the Journal of Nursing
https://www.readbyqxmd.com/read/28577840/efficacy-and-safety-of-left-atrial-appendage-closure-with-watchman-in-patients-with-or-without-contraindication-to-oral-anticoagulation-1-year-follow-up-outcome-data-of-the-ewolution-trial
#6
Lucas V Boersma, Hueseyin Ince, Stephan Kische, Evgeny Pokushalov, Thomas Schmitz, Boris Schmidt, Tommaso Gori, Felix Meincke, Alexey Vladimir Protopopov, Timothy Betts, David Foley, Horst Sievert, Patrizio Mazzone, Tom De Potter, Elisa Vireca, Kenneth Stein, Martin W Bergmann
BACKGROUND: LAA occlusion with Watchman has emerged as viable alternative to Vit.K antagonists in randomized controlled trials. OBJECTIVE: EWOLUTION was designed to provide data in routine practice from a prospective multicentre registry. METHODS: 1025 pts scheduled for a WATCHMAN implant were prospectively and sequentially enrolled at 47 centers. Indication for LAAC was based on ESC guidelines. Follow-up and TEE were performed per local practice...
May 31, 2017: Heart Rhythm: the Official Journal of the Heart Rhythm Society
https://www.readbyqxmd.com/read/28565887/safety-and-efficacy-of-catheter-based-left-atrial-appendage-closure-in-patients-with-contraindications-for-long-term-anticoagulation
#7
Adrian Seidel, Abdul S Parwani, Florian Krackhardt, Martin Huemer, Philipp Attanasio, Wilhelm Haverkamp, Burkert Pieske, Leif-Hendrik Boldt
BACKGROUND: Percutaneous left atrial appendage closure (LAAC) and the role of post interventional anticoagulation often evokes controversy in daily practice. This study aimed to evaluate LAAC in patients with non-rheumatic atrial fibrillation, high thromboembolic risk and contraindications for long-term anticoagulation in a clinical scenario. METHODS AND RESULTS: Between 2010-2015, LAAC was attempted in 118 patients (47 women). Devices were successfully implanted in 95% (Watchman™ device n=97, St...
May 31, 2017: Minerva Cardioangiologica
https://www.readbyqxmd.com/read/28558866/potential-clinical-utility-and-feasibility-of-combined-left-atrial-appendage-closure-and-positioning-of-miniaturized-pacemaker-through-a-single-right-femoral-vein-access
#8
François Regoli, Marco Araco, Tiziano Moccetti, Maria Luce Caputo, Giulio Conte, Angelo Auricchio, Marco Moccetti
This study assessed the clinical utility and feasibility of concomitant of combined left atrial appendage (LAA) closure and positioning of miniaturized pacemaker (Micra TPS). All consecutive patients who underwent VVI-PM implant from November 2015 to October 2016 were considered. VVI-PM implant was conducted either using transvenous approach or by positioning Micra TPS. In selected patients with concomitant contraindication to OAC, Micra TPS was combined with LAA occlusion ("combined approach"), performed in general anesthesia and guided by multimodality imaging; procedural and follow-up data of these specific patients were registered...
July 15, 2017: American Journal of Cardiology
https://www.readbyqxmd.com/read/28546017/delayed-left-atrial-appendage-contrast-filling-in-computed-tomograms-after-percutaneous-left-atrial-appendage-occlusion
#9
Yeong-Min Lim, Jung-Sun Kim, Tae-Hoon Kim, Jae-Sun Uhm, Chi Young Shim, Boyoung Joung, Geu-Ru Hong, Moon-Hyoung Lee, Yang-Soo Jang, Hui-Nam Pak
BACKGROUND: The gold standard for the follow-up of left atrial appendage occlusion (LAAO) is performing transesophageal echocardiogram (TEE) at 45 days after LAAO; however, the duration for complete LAA seal-off after percutaneous LAAO is unknown in humans. We retrospectively evaluated the LAA contrast-filling (CF) rate in follow-up cardiac computed tomography (CT) scans after LAAO. METHODS: We included 35 patients (age 67.5±10.9 years, CHA2DS2VASc 4.2±1.6, HAS-BLED 3...
May 22, 2017: Journal of Cardiology
https://www.readbyqxmd.com/read/28544491/rebuttal-with-regards-to-device-associated-thrombus-formation-after-left-atrial-appendage-occlusion-a-systematic-review-of-events-reported-with-the-watchman-the-amplatzer-cardiac-plug-and-the-amulet
#10
M Lempereur, A Aminian, J Saw
No abstract text is available yet for this article.
May 22, 2017: Catheterization and Cardiovascular Interventions
https://www.readbyqxmd.com/read/28522304/left-atrial-appendage-occlusion-with-the-lambre-device-initial-experience
#11
Ignacio Cruz-González, Xavier Freixa, José Antonio Fernández-Díaz, José Carlos Moreno-Samos, Victoria Martín-Yuste, Javier Goicolea
No abstract text is available yet for this article.
May 15, 2017: Revista Española de Cardiología
https://www.readbyqxmd.com/read/28515740/left-atrial-appendage-occlusion-procedures
#12
EDITORIAL
Krzysztof Bartuś
No abstract text is available yet for this article.
March 2017: Kardiochirurgia i Torakochirurgia Polska, Polish Journal of Cardio-Thoracic Surgery
https://www.readbyqxmd.com/read/28506939/printed-mdct-3d-models-for-prediction-of-left-atrial-appendage-laa-occluder-device-size-a-feasibility-study
#13
Orly Goitein, Noam Fink, Victor Guetta, Roy Beinart, Yafim Brodov, Eli Konen, David Goitein, Elio Di Segni, Avishay Grupper, Michael Glikson
AIMS: Trans-esophageal echocardiography (TEE) and MDCT currently serve as imaging modalities for left atrial appendage (LAA) occlusion pre-procedural planning. We assessed the feasibility of multi-detector CT (MDCT) based models to predict the correct size of device for LAA occlusion procedures. METHODS AND RESULTS: Patients planned for LAA occlusion underwent MDCT before implantation, which was used for creating and printing 3D LAA models. Three cardiologists evaluated the 3D models and predicted the correct size of the device by manual manipulation, these predictions were compared with the actual device implanted during the procedure...
May 16, 2017: EuroIntervention
https://www.readbyqxmd.com/read/28504238/united-kingdom-coronary-and-structural-heart-interventions-from-2010-to-2015
#14
Peter F Ludman, Mark A de Belder, Simon Redwood, Adrian Banning
In the United Kingdom, a clinical data set is completed for every patient undergoing coronary intervention and certain structural interventions, and sent to central servers in the National Institute for Cardiovascular Outcomes Research (NICOR) on behalf of the British Cardiovascular Intervention Society (BCIS). These data are linked to the national mortality register. In addition, data are obtained about the structure of healthcare provision using an annual survey. Analyses of these data are provided for different audiences in several formats...
May 15, 2017: EuroIntervention
https://www.readbyqxmd.com/read/28504228/italy-coronary-and-structural-heart-interventions-from-2010-to-2015
#15
Sergio Berti, Ferdinando Varbella, Alfredo Marchese, Luigi Emilio Pastormerlo, Giuseppe Musumeci
The aim of this report is to analyse trends in Italian cathlab activity between 2010 and 2015. Data were obtained from the national database of the Italian Society of Interventional Cardiology (GISE), which includes 97% of Italian cardiac catheterisation laboratories. The number of percutaneous coronary interventions (PCI) has remained relatively stable in the past five years. We have observed a significant increase in the number of primary PCI (pPCI) from 471.5 to 557.5 per million inhabitants with a consequent reduction of rescue primary PCI/fibrinolysis...
May 15, 2017: EuroIntervention
https://www.readbyqxmd.com/read/28496929/management-of-patients-with-atrial-fibrillation-focus-on-treatment-options
#16
REVIEW
Pawel Matusik, Jacek Lelakowski, Barbara Malecka, Jacek Bednarek, Remigiusz Noworolski
Atrial fibrillation (AF) is leading cardiac arrhythmia with important clinical implications. Its diagnosis is usually made on the basis on 12-lead ECG or 24-hour Holter monitoring. More and more clinical evidence supports diagnostic use of cardiac event recorders and cardiovascular implantable electronic devices (CIED). Treatment options in patients with atrial fibrillation are extensive and are based on chosen rhythm and/or rate control strategy. The use and selected contraindications to AF related pharmacotherapy, including anticoagulants are shown...
October 2016: Journal of Atrial Fibrillation
https://www.readbyqxmd.com/read/28491759/termination-of-anticoagulation-therapy-at-45-days-after-concomitant-atrial-fibrillation-catheter-ablation-and-left-atrial-appendage-occlusion-resulting-in-device-related-thrombosis-and-stroke
#17
https://www.readbyqxmd.com/read/28485276/left-atrial-appendage-occlusion-versus-standard-medical-care-in-patients-with-atrial-fibrillation-and-intracerebral-hemorrhage-a-propensity-score-matched-follow-up-study
#18
Jens Erik Nielsen-Kudsk, Søren Paaske Johnsen, Per Wester, Dorte Damgaard, Juhani Airaksinen, Juha Lund, Ole De Backer, Sami Pakarinen, Jacob Odenstedt, Saila Vikman, Magnus Settergren, Ole Kongstad, Mårten Rosenqvist, Derk W Krieger
AIMS: The aim of this study was to investigate the prognosis in patients with atrial fibrillation (AF) and intracerebral hemorrhage (ICH) having a left atrial appendage occlusion (LAAO) versus patients receiving standard medical therapy. METHODS AND RESULTS: A total of 151 patients from the Nordic countries with AF and previous ICH who underwent LAAO using the Amplatzer Cardiac Plug or the Amplatzer Amulet were compared to a propensity score matched group of 151 patients receiving standard medical therapy...
May 9, 2017: EuroIntervention
https://www.readbyqxmd.com/read/28472274/suggestions-for-clinical-studies-about-percutaneous-left-atrial-appendage-occlusion
#19
Claudia Stöllberger, Birke Schneider
No abstract text is available yet for this article.
May 2, 2017: Europace: European Pacing, Arrhythmias, and Cardiac Electrophysiology
https://www.readbyqxmd.com/read/28470999/access-to-the-native-atria-following-conduit-total-cavopulmonary-anastomosis
#20
Robert L Petersen, Saar Danon, Saadeh Jureidini
OBJECTIVES: We describe the use of trans-thoracic and trans-conduit puncture to access the atria and perform interventional procedures in patients who have undergone conduit total cavopulmonary anastomosis. BACKGROUND: Catheter access to the atria following intra or extra-cardiac Fontan is desirable when there is a need for trans-atrial interventions. METHODS: Between 2009 and 2014, 5 patients ages 7 to 28 years underwent this approach; three trans-thoracic and 2 trans-conduit punctures...
May 4, 2017: Catheterization and Cardiovascular Interventions
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