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https://www.readbyqxmd.com/read/28716089/greater-periventricular-white-matter-hyperintensity-severity-in-basilar-artery-branch-atheromatous-disease
#1
Po-Chen Lin, Feng-Chi Chang, Hui-Chi Huang, Jui-Yao Tsai, Yung-Yang Lin, Chih-Ping Chung
BACKGROUND: Basilar artery branch atheromatous disease (BABAD), in which basilar artery atheroma occludes penetrating arteries at their origin, is a common etiology of posterior circulation stroke (PCS). It is currently unknown whether white matter hyperintensity(WMH), a marker of small vessel disease(SVD), is associated with BABAD. METHODS: The present study analyzed data from patients with PCS who were enrolled in the Taipei Veterans General Hospital Stroke Registry between January 1, 2010 and February 28, 2014...
July 17, 2017: BMC Neurology
https://www.readbyqxmd.com/read/28675629/long-term-follow-up-after-left-atrial-appendage-occlusion-with-comparison-of-transesophageal-echocardiography-vs-computed-tomography-to-guide-medical-therapy-and-data-about-post-closure-cardioversion
#2
Benjamin Berte, Christine Attenhofer Jost, Dominik Maurer, Anja Fäh-Gunz, Xavier Pillois, Barbara Naegeli, Monica Pfyffer, Gabor Sütsch, Christoph Scharf
AIMS: The use of left atrial appendage (LAA)-occluders in atrial fibrillation is increasing. There are few data on the comparison between transesophageal echocardiography (TEE) and computed tomography (MDCT) assessing peridevice-flow and outcome of electrical cardioversion (ECV) in these patients. METHODS AND RESULTS: Single-center prospective registry from 2009 to 2015 including all LAA-occluders to analyze success and complications during implantation and follow-up...
July 4, 2017: Journal of Cardiovascular Electrophysiology
https://www.readbyqxmd.com/read/28565887/safety-and-efficacy-of-catheter-based-left-atrial-appendage-closure-in-patients-with-contraindications-for-long-term-anticoagulation
#3
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/28506939/printed-mdct-3d-models-for-prediction-of-left-atrial-appendage-laa-occluder-device-size-a-feasibility-study
#4
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/28495117/first-experience-with-the-watchman-flx-occluder-for-percutaneous-left-atrial-appendage-closure
#5
Julia Seeger, Ralf Birkemeyer, Wolfgang Rottbauer, Jochen Wöhrle
BACKGROUND: We aimed to evaluate efficacy and safety of left atrial appendage (LAA) closure with the new Watchman FLX and analyze procedural features in a consecutive series of high risk non-valvular atrial fibrillation patients. METHODS AND RESULTS: Twelve consecutive non-valvular atrial fibrillation patients (age 76.6±7.8years) at high risk for stroke (CHA2DS2-VASc-Score 5.5±0.9) and bleeding (HAS-BLED-Score 3.8±0.9), received LAA closure with the Watchman FLX...
April 29, 2017: Cardiovascular Revascularization Medicine: Including Molecular Interventions
https://www.readbyqxmd.com/read/28461140/laa-occluder-device-for-stroke-prevention-data-on-watchman-and-other-laa-occluders
#6
REVIEW
Martin W Bergmann
NOAC therapy has become the standard for stroke prevention in patients with atrial fibrillation. Yet some patients suffer extracranial bleeding events or have other reasons to seek non-pharmacologic stroke protection. LAA occlusion with the WATCHMAN device has been proven safe and effective for such patients and is now recommended in current guidelines for this patient group; other devices also seek approval.
August 2017: Trends in Cardiovascular Medicine
https://www.readbyqxmd.com/read/28457791/left-atrial-appendage-occlusion-for-stroke-prevention
#7
REVIEW
Arijit Chanda, John P Reilly
More than 2.3 million adults in the United States have atrial fibrillation (AF), which exposes them to a 5-fold increased risk of stroke. The left atrial appendage (LAA) appears to be the source of thrombus formation in the vast majority of these patients. Anticoagulation significantly reduces the risk of stroke, but often we encounter patients who have absolute or relative contraindication to anticoagulation. Percutaneous LAA exclusion offers an alternative to anticoagulation to decrease the risk of stroke...
May 2017: Progress in Cardiovascular Diseases
https://www.readbyqxmd.com/read/28409845/procedural-success-and-intra-hospital-outcome-related-to-left-atrial-appendage-morphology-in-patients-that-receive-an-interventional-left-atrial-appendage-closure
#8
Christian Fastner, Michael Behnes, Benjamin Sartorius, Annika Wenke, Ibrahim El-Battrawy, Uzair Ansari, Ishar-Singh Gill, Martin Borggrefe, Ibrahim Akin
BACKGROUND: The interventional left atrial appendage (LAA) closure represents an emerging alternative to oral anticoagulation for stroke prevention in certain atrial fibrillation patients. Preliminary results have suggested high procedural success rates and fewer peri-interventional complications; however, there persists an insufficient understanding of the role of many underlying confounding variables (e.g., anatomical characteristics). HYPOTHESIS: It was investigated whether varying LAA morphologies influence procedural success as well as in-hospital outcome...
April 13, 2017: Clinical Cardiology
https://www.readbyqxmd.com/read/28289527/left-atrial-appendage-occlusion-a-better-alternative-to-anticoagulation
#9
REVIEW
Ibrahim Akin, Christoph A Nienaber
Non-valvular atrial fibrillation is associated with a significantly increased risk of embolic stroke due to blood clot forming predominantly in the left atrial appendage (LAA). Preventive measures to avoid embolic events are permanent administration of anticoagulants or surgical closure of the LAA. Various clinical trials provide evidence about safety, effectiveness and therapeutic success of LAA occlusion using various cardiac occluder devices. The use of such implants for interventional closure of the LAA is likely to become a valuable alternative for stroke prevention, especially in patients with contraindication for oral anticoagulation as safety, clinical benefit and cost-effectiveness of LAA occlusion has recently been demonstrated...
February 26, 2017: World Journal of Cardiology
https://www.readbyqxmd.com/read/28181272/left-atrial-appendage-closure-for-stroke-prevention-more-choice-is-always-a-good-thing
#10
EDITORIAL
Rong Bai
No abstract text is available yet for this article.
February 9, 2017: Pacing and Clinical Electrophysiology: PACE
https://www.readbyqxmd.com/read/28070743/cardiac-ct-angiography-ccta-predicts-left-atrial-appendage-occluder-device-size-and-procedure-outcome
#11
Orly Goitein, Noam Fink, Ilan Hay, Elio Di Segni, Victor Guetta, David Goitein, Yafim Brodov, Eli Konen, Michael Glikson
AIM: To investigate the role of cardiac CT angiography (CCTA) in predicting optimal left atrial appendage (LAA) occluder size and procedure outcome. METHODS AND RESULTS: Thirty-six patients underwent pre-procedural CCTA. CCTA and TEE LAA orifice diameters and perimeters were compared with the implanted device size. CCTA 3D configuration was correlated with procedure outcome. Watchman™ device (N = 18): diameters were 21 ± 4, 26 ± 5 and 25 ± 3 mm for TEE, CCTA and inserted device, respectively...
January 9, 2017: International Journal of Cardiovascular Imaging
https://www.readbyqxmd.com/read/27815629/pulmonary-artery-perforation-and-coronary-air-embolism-two-fatal-outcomes-in-percutaneous-left-atrial-appendage-occlusion
#12
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/27591691/closure-of-left-atrial-appendage-with-persistent-distal-thrombus-using-an-amplatzer-amulet-occluder
#13
Mathias Lange, Helmut Bültel, Heinrich Weglage, Patrick Löffeld, Thomas Wichter
A 73-year-old patient with permanent atrial fibrillation presented for left atrial appendage (LAA) occlusion. Transesophageal echocardiography demonstrated a thrombus in the distal LAA. This image series illustrates a "no touch" technique that was used to ensure successful implantation of an Amplatzer Amulet LAA occlusion device without the use of an embolization protection system.
September 2016: Journal of Invasive Cardiology
https://www.readbyqxmd.com/read/27476858/learning-curve-assessment-for-percutaneous-left-atrial-appendage-closure-with-the-watchman-occluder
#14
Jakob Ledwoch, Christine Krollmann, Stephan Staubach, Martin Hug, Henning Strohm, Harald Mudra
OBJECTIVES: We sought to evaluate the effect of increasing experience with left atrial appendage (LAA) closure on short-term outcome. BACKGROUND: Data regarding the impact of the learning curve of LAA closure-particularly regarding technical aspects of the procedure-are lacking. METHODS: The present analysis represents first data from a single-center all-comer registry. The population was divided into 3 groups according to treatment time (group 1: patients 1-30; group 2: patients 31-60; group 3: patients 61-90)...
August 2016: Journal of Interventional Cardiology
https://www.readbyqxmd.com/read/27402623/concomitant-cryoballoon-ablation-and-percutaneous-closure-of-left-atrial-appendage-in-patients-with-atrial-fibrillation
#15
Gaetano Fassini, Sergio Conti, Massimo Moltrasio, Anna Maltagliati, Fabrizio Tundo, Stefania Riva, Antonio Dello Russo, Michela Casella, Benedetta Majocchi, Martina Zucchetti, Eleonora Russo, Vittoria Marino, Mauro Pepi, Claudio Tondo
AIMS: Pulmonary veins (PVs) isolation is the cornerstone of atrial fibrillation (AF) ablation and can be achieved either by conventional radiofrequency ablation or by cryoenergy. Left atrial appendage (LAA) closure has been proposed as alternative treatment to vitamin K antagonists (VKA). We aimed to evaluate the feasibility of combining cryoballoon (CB) ablation and LAA occlusion in patients with AF and a high thromboembolic risk or contraindication to antithrombotic therapy. METHODS AND RESULTS: Thirty-five patients (28 males, 74 ± 2 years) underwent CB ablation...
November 2016: Europace: European Pacing, Arrhythmias, and Cardiac Electrophysiology
https://www.readbyqxmd.com/read/27388826/predictors-of-early-1-week-outcomes-following-left-atrial-appendage-closure-with-amplatzer-devices
#16
Konstantinos C Koskinas, Samera Shakir, Máté Fankhauser, Fabian Nietlispach, Adrian Attinger-Toller, Aris Moschovitis, Peter Wenaweser, Thomas Pilgrim, Stefan Stortecky, Fabien Praz, Lorenz Räber, Stephan Windecker, Bernhard Meier, Steffen Gloekler
OBJECTIVES: The aim of this study was to assess predictors of adverse 1-week outcomes and determine the effect of left atrial appendage (LAA) morphology following LAA closure (LAAC) with Amplatzer devices. BACKGROUND: Percutaneous LAAC is a valuable treatment option for stroke prevention in patients with atrial fibrillation. Determinants of procedural safety events with Amplatzer occluders are not well established, and the possibly interrelating effect of LAA anatomy is unknown...
July 11, 2016: JACC. Cardiovascular Interventions
https://www.readbyqxmd.com/read/27219618/the-new-3d-printed-left-atrial-appendage-closure-with-a-novel-holdfast-device-a-pre-clinical-feasibility-animal-study
#17
M Brzeziński, K Bury, L Dąbrowski, P Holak, A Sejda, M Pawlak, D Jagielak, Z Adamiak, J Rogowski
INTRODUCTION: Many patients undergoing cardiac surgery have risk factors for both atrial fibrillation (AF) and stroke. The left atrial appendage (LAA) is the primary site for thrombi formation. The most severe complication of emboli derived from LAA is stroke, which is associated with a 12-month mortality rate of 38% and a 12-month recurrence rate of 17%. The most common form of treatment for atrial fibrillation and stroke prevention is the pharmacological therapy with anticoagulants...
2016: PloS One
https://www.readbyqxmd.com/read/27212972/early-operative-comparison-of-two-epicardial-left-atrial-appendage-occluding-systems-applied-during-off-pump-coronary-revascularisation-in-patients-with-persistent-atrial-fibrillation
#18
Grzegorz Suwalski, Robert Emery, Leszek Gryszko, Kamil Kaczejko, Arkadiusz Żegadło, Emilia Frankowska, Jakub Mróz, Andrzej Skrobowski
INTRODUCTION: Atrial fibrillation (AF) increases long-term mortality and stroke rate in patients having coronary artery bypass grafting (CABG). Because oral anticoagulation (OAC) is associated with both a significant incidence of discontinuation and well known complication rates, left atrial appendage occlusion might be beneficial for stroke prevention. This study presents the first clinical and practical comparison of two epicardial left appendage occluders (LAAO) accruing experience in application during off-pump coronary revascularisation in patients with persistent AF...
March 2016: Kardiochirurgia i Torakochirurgia Polska, Polish Journal of Cardio-Thoracic Surgery
https://www.readbyqxmd.com/read/27160643/intraoperative-assessment-of-left-atrial-diverticulum-and-remnant-stump-after-left-atrial-appendage-epicardial-occlusion
#19
Grzegorz Suwalski, Robert Emery, Leszek Gryszko, Kamil Kaczejko, Jakub Mroz, Andrzej Skrobowski
OBJECTIVES: Epicardial left atrial appendage (LAA) closure with use of occluder is an emerging technique. Absence of remnant LAA stump is major criterion of successful obliteration. The aim of study was to assess early success rate of epicardial LAA closure. METHODS: Fifteen patients with persistent AF and coronary artery disease underwent off-pump coronary revascularization with concomitant ablation and LAA epicardial occlusion with use of two types of occluders...
September 2016: Echocardiography
https://www.readbyqxmd.com/read/27143657/asymptomatic-migration-of-an-amplatzer%C3%A2-amulet%C3%A2-left-atrial-appendage-occluder-through-the-mitral-valve
#20
Petru Mester, Antoine Dompnier, Loïc Belle
An 84-year-old woman with a history of hemorrhagic stroke was admitted for a new cerebral ischemic event. While in hospital, she was diagnosed with paroxysmal atrial fibrillation. Owing to her high thromboembolic risk (CHA2 DS2 -VASc score of 6) we performed left atrial appendage (LAA) closure using a 22-mm AMPLATZER™ Amulet™. The procedure was successful. Systematic follow-up with transthoracic echocardiography 8 hr later revealed that the LAA occluder had migrated and become entrapped in the mitral subvalvular apparatus...
May 3, 2016: Catheterization and Cardiovascular Interventions
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