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Left atrial appendage occlusion

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https://www.readbyqxmd.com/read/28057808/heartbeat-left-atrial-appendage-occlusion-for-stroke-prevention
#1
EDITORIAL
Catherine M Otto
No abstract text is available yet for this article.
January 15, 2017: Heart: Official Journal of the British Cardiac Society
https://www.readbyqxmd.com/read/28044988/feasibility-of-concomitant-mitraclip-and-left-atrial-appendage-occlusion
#2
Shingo Kuwata, Maurizio Taramasso, Michel Zuber, Gabor Suetsch, Adrian Attinger-Toller, David Wicki, Francesco Maisano, Fabian Nietlispach
AIMS: The aim of our study is to report our single center experience with concomitant MitraClip (MC) and left atrial appendage occlusion (LAAO) and to further assess feasibility, safety and short term outcome of such an approach. METHODS AND RESULTS: Twenty-five consecutive patients underwent MC with concomitant LAAO at our hospital (combined group). As a control group, 25 consecutive patients with atrial fibrillation (AF) undergoing standalone MC were selected...
January 3, 2017: EuroIntervention
https://www.readbyqxmd.com/read/28012051/assessment-of-the-left-atrial-appendage-structure-and-morphology-comparison-of-real-time-three-dimensional-transesophageal-echocardiography-and-computed-tomography
#3
Wenjuan Bai, Zhongxiu Chen, Hong Tang, Hui Wang, Wei Cheng, Li Rao
In this study, the left atrial appendage (LAA) structure and morphology were assessed using real-time three-dimensional transesophageal echocardiography (RT3D-TEE) and enhanced cardiac computed tomography (CT) scanning, and the two measurements obtained using these different techniques were compared. Two hundred nonvalvular atrial fibrillation (NVAF) patients who were prepared to undergo radiofrequency ablation were enrolled, and 62 controls were enrolled prospectively. RT3D-TEE and CT were performed, and the following parameters were measured: LAA orifice diameter, area, depth, maximum volume, and emptying velocity...
December 23, 2016: International Journal of Cardiovascular Imaging
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
#4
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/27973336/transcatheter-left-atrial-appendage-occlusion-in-patients-with-atrial-fibrillation-and-a-high-bleeding-risk-using-aspirin-alone-for-post-implant-antithrombotic-therapy
#5
Kasper Korsholm, Kirsten Melgaard Nielsen, Jesper Møller Jensen, Henrik Kjærulf Jensen, Grethe Andersen, Jens Erik Nielsen-Kudsk
AIMS: To evaluate safety and efficacy of left atrial appendage occlusion (LAAO) with the Amplatzer Cardiac Plug (ACP) or Amulet using Aspirin (ASA) alone as post-implant antithrombotic treatment. METHODS AND RESULTS: Single-center, prospective, non-randomized study on LAAO with the ACP or Amulet in a consecutive cohort (n=110) treated by ASA alone post-implantation. Primary outcome was device-related thrombosis, while secondary outcomes were ischemic stroke or major bleeding...
December 15, 2016: EuroIntervention
https://www.readbyqxmd.com/read/27973328/a-comparison-of-two-dimensional-and-real-time-3d-transesophageal-echocardiography-and-angiography-for-assessing-the-left-atrial-appendage-anatomy-for-sizing-a-left-atrial-appendage-occlusion-system-impact-of-volume-loading
#6
Baravan Al-Kassou, Apostolos Tzikas, F Stock, F Neikes, A Völz, H Omran
No abstract text is available yet for this article.
December 15, 2016: EuroIntervention
https://www.readbyqxmd.com/read/27970001/tct-624-novel-integrated-3d-multi-detector-computed-tomography-and-fluoroscopy-fusion-for-left-atrial-appendage-occlusion-procedures
#7
Andrew Roy, Jerome Horvilleur, Bertrand Cormier, Maxime Cazalas, Leticia Fernandez-Lopez, Martina Patanè, Antoinette Neylon, Marco Spaziano, Fadi Sawaya, Erik Bouvier, Thomas Hovasse, Thierry Lefevre, Bernard Chevalier, Philippe Garot
No abstract text is available yet for this article.
November 1, 2016: Journal of the American College of Cardiology
https://www.readbyqxmd.com/read/27969999/tct-625-percutaneous-left-atrial-appendage-occlusion-in-a-chinese-population-results-from-the-hong-kong-laao-registry
#8
Ngai Yin Chan, Chi Chung Choy, Kang Yin Lee, Leung Kwai Chan, Raymond Fung, Gabriel Yip, Anna Chan, Gary Shing Him Cheung, Simon Lam, Kin Lam Tsui
No abstract text is available yet for this article.
November 1, 2016: Journal of the American College of Cardiology
https://www.readbyqxmd.com/read/27969995/tct-619-periprocedural-intracardiac-echocardiography-from-the-left-atrium-for-left-atrial-appendage-occlusion-with-the-amplatzer-cardiac-plugtm
#9
Zied Frikha, Ayoub El Hammiri, Jeannot Potvin, Jean-Marc Raymond, Jean-Bernard Masson
No abstract text is available yet for this article.
November 1, 2016: Journal of the American College of Cardiology
https://www.readbyqxmd.com/read/27969994/tct-620-a-comparison-of-clinical-outcomes-between-triple-antithrombotic-therapy-versus-dual-antiplatelet-with-left-atrial-appendage-occlusion-in-patients-with-atrial-fibrillation-undergoing-drug-eluting-stent-implantation
#10
Seung Hun Lee, Jae Young Cho, Hyung Joon Joo, Jae Hyoung Park, Soonjun Hong, Cheol Woong Yu, Do Sun Lim
No abstract text is available yet for this article.
November 1, 2016: Journal of the American College of Cardiology
https://www.readbyqxmd.com/read/27969609/tct-27-transcatheter-left-atrial-appendage-occlusion-using-aspirin-alone-for-post-implant-antithrombotic-therapy
#11
Kasper Korsholm, Kirsten Melgaard Nielsen, Jesper Møller Jensen, Henrik Kjærulf Jensen, Grethe Andersen, Jens Erik Nielsen-Kudsk
No abstract text is available yet for this article.
November 1, 2016: Journal of the American College of Cardiology
https://www.readbyqxmd.com/read/27943538/catheter-ablation-for-atrial-fibrillation-in-patients-with-watchman-left-atrial-appendage-occlusion-device-results-from-a-multicenter-registry
#12
Mohit K Turagam, Madhav Lavu, Muhammad R Afzal, Venkat Vuddanda, Mohammad-Ali Jazayeri, Valay Parikh, Donita Atkins, Sudharani Bommana, Luigi DI Biase, Rodney Horton, Rong Bai, Vijay Swarup, Jie Cheng, Andrea Natale, Dhanunjaya Lakkireddy
BACKGROUND: There have been an increasing number of atrial fibrillation (AF) patients with Watchman left atrial appendage occlusion (LAAO) device, requiring catheter ablation (CA) for maintenance of normal sinus rhythm. In this study, we describe our experience with the feasibility and safety of CA in patients with a preexisting Watchman LAAO device. METHODS: This was a retrospective multicenter AF registry of 60 patients with Watchman LAAO device who underwent CA for AF...
December 12, 2016: Journal of Cardiovascular Electrophysiology
https://www.readbyqxmd.com/read/27916590/retrospective-cohort-study-examining-reduced-intensity-and-duration-of-anticoagulant-and-antiplatelet-therapy-following-left-atrial-appendage-occlusion-with-the-watchman-device
#13
Matthew K Tung, Satish Ramkumar, James D Cameron, Benjamin Pang, Nitesh Nerlekar, Emily Kotschet, Jeffrey Alison
BACKGROUND: Anticoagulant and antiplatelet therapy are recommended following WATCHMAN implantation (45 days and 6 months) to reduce the risk of embolic events. These patients are often also at high risk of recurrent bleeding complications. We aimed to assess the safety of reduced duration of treatment with anticoagulant and antiplatelet therapy in the early post implant period. METHODS: This was a retrospective cohort study assessing the duration of antiplatelet and anticoagulant therapy in 47 consecutive patients following WATCHMAN implant...
November 15, 2016: Heart, Lung & Circulation
https://www.readbyqxmd.com/read/27909475/ablation-of-atrial-fibrillation-in-combination-with-left-atrial-appendage-occlusion-in-a-single-procedure-rationale-and-technique
#14
REVIEW
Ignacio García-Bolao, Naiara Calvo, Alfonso Macias, Joaquin Barba, Nahikari Salterain, Pablo Ramos, Gabriel Ballesteros, Renzo Neglia
Atrial fibrillation (AF) is the most common sustained cardiac arrhythmia, and is associated with a fivefold increase in the risk of ischemic stroke and systemic embolism. Left atrial appendage (LAA) is the source of thrombi in up to 90% of patients with nonvalvular atrial fibrillation (AF). Although thromboembolic prophylaxis by means of oral anticoagulants (OAC) has been shown to be very effective (OAC), they also confer an inevitably risk of serious bleeding. Catheter ablation (CA) is an effective treatment for symptomatic AF but its role in stroke prevention remains unproved...
February 2016: Journal of Atrial Fibrillation
https://www.readbyqxmd.com/read/27884358/application-of-3-dimensional-computed-tomographic-image-guidance-to-watchman-implantation-and-impact-on%C3%A2-early-operator-learning-curve-single-center-experience
#15
Dee Dee Wang, Marvin Eng, Daniel Kupsky, Eric Myers, Michael Forbes, Mehnaz Rahman, Mohammad Zaidan, Sachin Parikh, Janet Wyman, Milan Pantelic, Thomas Song, Jeff Nadig, Patrick Karabon, Adam Greenbaum, William O'Neill
OBJECTIVES: The aim of this study was to examine the impact of 3-dimensional (3D) computed tomographic (CT) guided procedural planning for left atrial appendage (LAA) occlusion on the early operator WATCHMAN learning curve. BACKGROUND: Traditional WATCHMAN implantation is dependent on 2-dimensional transesophageal echocardiographic (TEE) sizing and intraprocedural guidance. METHODS: LAA occlusion with the WATCHMAN device was performed in 53 patients...
November 28, 2016: JACC. Cardiovascular Interventions
https://www.readbyqxmd.com/read/27815629/pulmonary-artery-perforation-and-coronary-air-embolism-two-fatal-outcomes-in-percutaneous-left-atrial-appendage-occlusion
#16
J Zwirner, R Bayer, C Hädrich, A Bollmann, N Klein, J Dreßler, B Ondruschka
Percutaneous left atrial appendage (LAA) closure is a routinely performed method to reduce the risk of stroke in patients suffering from atrial fibrillation, when an oral anticoagulation is no longer indicated due to relevant bleeding complications. Currently, the Amplatzer Amulet and the Watchman system are two equally used systems. While there is an acute success rate of more than 95 per cent for this intervention, several minor and major complications such as pericardial effusions, air embolism, vascular lesions in proximity to the heart or even death can occur...
January 2017: International Journal of Legal Medicine
https://www.readbyqxmd.com/read/27800191/successful-left-atrial-appendage-occlusion-with-the-new-generation-amulet%C3%A2-device-after-late-occurring-embolization-of-an-amplatzer%C3%A2-cardiac-plug-in-a-patient-with-repetitive-strokes
#17
Marco R Schroeter, Wolfgang Schillinger
The Amplatzer Cardiac Plug (ACP) is one of the most commonly used devices for percutaneous left atrial appendage (LAA) closure in order to prevent a stroke in patients with atrial fibrillation and contraindication for long-term oral anticoagulation therapy. We have previously described a patient who had experienced an embolization of the ACP device about 12 months after implantation and the device could be percutaneously retrieved. A few years later, he suffered from a posterior stroke and a stroke located in the brainstem as well as a transischemic attack (TIA)...
2016: Case Reports in Cardiology
https://www.readbyqxmd.com/read/27762092/rationale-of-cerebral-protection-devices-in-left-atrial-appendage-occlusion
#18
Felix Meincke, Tobias Spangenberg, Felix Kreidel, Christian Frerker, Renu Virmani, Elena Ladich, Karl-Heinz Kuck, Alexander Ghanem
AIMS: Aims of this case-series were to assess the feasibility of cerebral protection devices in interventional left atrial appendage occlusion (iLAAO) procedures and to yield insight into the pathomorphological correlate of early, procedural cerebral embolization during iLAAO. METHODS AND RESULTS: Five consecutive patients underwent iLLO flanked by the Sentinel CPS® (Claret Medical, Inc., Santa Rosa, CA) cerebral protection system. Placement and recapture of the Sentinel(®) device as well as the iLAAO were successful and safe in all cases...
October 20, 2016: Catheterization and Cardiovascular Interventions
https://www.readbyqxmd.com/read/27745964/characterization-of-cerebrovascular-events-after-left-atrial-appendage-occlusion
#19
Xavier Freixa, Laura Llull, Sameer Gafoor, Ignacio Cruz-Gonzalez, Samera Shakir, Heyder Omran, Sergio Berti, Gennaro Santoro, Joelle Kefer, Ulf Landmesser, Jens Erik Nielsen-Kudsk, Prapa Kanagaratnam, Fabian Nietlispach, Steffen Gloekler, Adel Aminian, Paolo Danna, Marco Rezzaghi, Friederike Stock, Miroslava Stolcova, Luis Paiva, Marco Costa, Xavier Millán, Reda Ibrahim, Tobias Tichelbäcker, Wolfgang Schillinger, Jai-Wun Park, Horst Sievert, Bernhard Meier, Apostolos Tzikas
Cardioembolic strokes are generally more lethal and disabling than other source of strokes. Data from PROTECT AF (Watchman Left Atrial Appendage Closure Technology for Embolic Protection in Patients With Atrial Fibrillation) suggest that strokes after left atrial appendage occlusion (LAAO) with the Watchman device are less disabling than those in the warfarin group. No data assessing the severity of strokes after LAAO with the AMPLATZER Cardiac Plug (ACP) are available. The objective of the study was to evaluate the severity of cerebrovascular events after LAAO with the ACP in a population mostly characterized by an absolute or relative contraindication to oral anticoagulation...
September 15, 2016: American Journal of Cardiology
https://www.readbyqxmd.com/read/27716687/different-transseptal-puncture-for-different-procedures-optimization-of-left-atrial-catheterization-guided-by-transesophageal-echocardiography
#20
Andrea Radinovic, Patrizio Mazzone, Giovanni Landoni, Eustachio Agricola, Damiano Regazzoli, Paolo Della Bella
BACKGROUND: Left atrial catheterization through transseptal puncture is frequently performed in cardiac catheterization procedures. Appropriate transseptal puncture is critical to achieve procedural success. AIMS: The aim of the study is to evaluate the feasibility of selective transseptal punctures, using a modified radiofrequency (RF) transseptal needle and transesophageal echocardiography (TEE), in different types of procedures that require specific sites of left atrial catheterization...
October 2016: Annals of Cardiac Anaesthesia
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