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https://www.readbyqxmd.com/read/29467096/predictive-effect-of-hyperuricemia-on-left-atrial-stasis-in-non-valvular-atrial-fibrillation-patients
#1
Fang-Zhou Liu, Hong-Tao Liao, Wei-Dong Lin, Yu-Mei Xue, Xian-Zhang Zhan, Xian-Hong Fang, Fang Rao, Hai Deng, Jun Huang, Jo-Jo Hai, Hung-Fat Tse, Shu-Lin Wu
OBJECTIVES: To investigate the relationship between hyperuricemia and left atrial thrombus (LAT)/spontaneous echo contrast (SEC) and to determine the predictive value of hyperuricemia in non-valvular (NV) atrial fibrillation (AF) patients. METHODS: The study retrospectively reviewed 1198 consecutive patients (male 801, female 397, and mean age of 56.84 ± 12.22) who were diagnosed with AF and accepted transesophageal echocardiography (TEE) prior to catheter ablation, appendage occlusion and electrical cardioversion using a single-center database...
February 2, 2018: International Journal of Cardiology
https://www.readbyqxmd.com/read/29463511/what-lies-beneath-left-atrial-appendage-occlusion-know-your-enemy
#2
EDITORIAL
Bernhard Meier
No abstract text is available yet for this article.
March 2018: Circulation. Cardiovascular Interventions
https://www.readbyqxmd.com/read/29463510/device-thrombosis-after-percutaneous-left-atrial-appendage-occlusion-is-related-to-patient-and-procedural-characteristics-but-not-to-duration-of-postimplantation-dual-antiplatelet-therapy
#3
Radoslaw Pracon, Sripal Bangalore, Zofia Dzielinska, Marek Konka, Cezary Kepka, Mariusz Kruk, Edyta Kaczmarska-Dyrda, Joanna Petryka-Mazurkiewicz, Sebastian Bujak, Mateusz Solecki, Agnieszka Pskit, Agnieszka Dabrowska, Bartosz Sieradzki, Andrzej Plonski, Witold Ruzyllo, Adam Witkowski, Marcin Demkow
BACKGROUND: Device-related thrombus (DRT) after left atrial appendage occlusion is a worrisome finding with little knowledge about when to expect it and how to prevent it. This study sought to investigate correlates of DRT after left atrial appendage occlusion, its time of diagnosis, and particularly, association with postimplantation dual antiplatelet therapy duration. METHODS AND RESULTS: Consecutive patients (n=102) after left atrial appendage occlusion with AMPLATZER Cardiac Plug/Amulet (n=59) or WATCHMAN (n=43) were included in a prospective registry (October 2011-May 2016)...
March 2018: Circulation. Cardiovascular Interventions
https://www.readbyqxmd.com/read/29460124/accuracy-of-cardiac-ct-in-evaluating-severity-of-left-atrial-appendage-spontaneous-echo-contrast-comparison-with-transesophageal-echocardiography
#4
Chun-Li He, Zhao-Qian Wang, Chong-Fu Jia, Tao Cong, Liang Zhang, Zhi-Qiang Yang, Xi-Xia Sun, Si-Yao Sun
To investigate the capacity of biphasic cardiac CT (CCT) for qualitative and quantitative evaluation of different grades of left atrial appendage spontaneous echo contrast (LAASEC). The study included 267 inpatients with confirmed atrial fibrillation who underwent both CCT and transesophageal echocardiography (TEE). CT numbers for LAA, ascending aorta (AA), and left atrium (LA) were identified, and ROC curves for LAA, LAA/AA, and LAA/LA were plotted. With TEE as the standard, the sensitivity, specificity, PPV, NPV, and accuracy of CCT for LAASEC grade ≥ 1 were 60...
February 19, 2018: International Journal of Cardiovascular Imaging
https://www.readbyqxmd.com/read/29454726/successful-percutaneous-retrieval-of-a-33-mm-watchman-left-atrial-appendage-occlusion-device-from-the-left-atrium
#5
Hai-Ying Li, Xin-Lei Wu, Fang-Yi Xiao, Xiao-Dong Zhou, Ye Chen, Wei-Jian Huang
No abstract text is available yet for this article.
February 8, 2018: JACC. Cardiovascular Interventions
https://www.readbyqxmd.com/read/29453694/percutaneous-left-atrial-appendage-occlusion-in-the-prevention-of-stroke-in-atrial-fibrillation-a-systematic-review
#6
REVIEW
Jayson R Baman, Moussa Mansour, E Kevin Heist, David T Huang, Yitschak Biton
Atrial fibrillation is commonly coexistent with heart failure, and the management of the heart failure patient would be incomplete without an appreciation for atrial fibrillation management. There are many complications associated with oral anticoagulation in the prevention of stroke related to atrial fibrillation. In recent years, the advent of several percutaneous left atrial appendage (LAA) occlusion/closure strategies has sought to provide an alternative treatment modality. Here, we systematically review the published literature to investigate the efficacy and safety of percutaneous LAA occlusion/closure devices...
February 17, 2018: Heart Failure Reviews
https://www.readbyqxmd.com/read/29453212/implant-of-a-left-atrial-appendage-occluder-device-watchman-and-leadless-pacing-system-micra-through-the-same-venous-access-in-a-single-sitting
#7
Sofian Johar, Nazar Luqman
A left atrial appendage occluder device (Watchman) and leadless pacemaker (Micra) was implanted from a single right femoral vein access in a 73-year-old female patient with persistent atrial fibrillation and symptomatic tachy-brady syndrome and unable to take oral anticoagulants. Standard methods of implantation were followed for both procedures. The Watchman device was implanted first followed by dilatation of the same venous access site in order to implant Micra transcatheter pacing system. The patient tolerated the procedures well and there were no complications...
February 16, 2018: BMJ Case Reports
https://www.readbyqxmd.com/read/29444810/disharmonious-patterns-of-heterotaxy-and-isomerism-how-often-are-the-classic-patterns-breached
#8
Deane Yim, Hazumu Nagata, Christopher Z Lam, Lars Grosse-Wortmann, Mike Seed, Edgar Jaeggi, Shi-Joon Yoo
BACKGROUND: It is advocated that heterotaxy should be segregated into right or left isomerism according to atrial appendage morphology. However, atrial situs determination is often based on the pattern of associated findings rather than on atrial morphology itself, which can be difficult to define. The objective was to assess how often concordant patterns of isomerism classified by atrial appendage morphology, bronchopulmonary pattern, and splenic status are breached using cardiac magnetic resonance or computed tomography...
February 2018: Circulation. Cardiovascular Imaging
https://www.readbyqxmd.com/read/29441512/left-atrial-appendage-occlusion-consensus-document-of-association-of-cardiovascular-interventions-and-heart-rhythm-section-of-polish-cardiac-society
#9
Marek Grygier, Wojtek Wojakowski, Grzegorz Smolka, Marcin Demkow, Wojtek Wąsek, Danuta Sorysz, Paweł Kralisz, Krzysztof Bartuś, Adam Sukiennik, Radosław Pracoń, Adam Witkowski, Oskar Kowalski, Jacek Legutko
Left atrial appendage (LAA) occlusion devices have the potential to influence the clinical approach to stroke prevention in patients with atrial fibrillation. A number of percutaneous techniques have been proposed, including various intracardiac plugs and also external ligation. Several devices have been already used in Poland. One of them has been evaluated in randomised controlled trials compared with the current standard of care. Others are less well studied but quite commonly used in Europe. It is anticipated that the use of LAA occlusion technologies in clinical practice will expand...
February 14, 2018: Kardiologia Polska
https://www.readbyqxmd.com/read/29439542/update-on-the-non-pharmacological-management-of-stroke-prevention-in-patients-with-atrial-fibrillation
#10
REVIEW
Aneesh Tolat, Neal Lippman
Non-surgical left atrial appendage occlusion has emerged as an alternative to anticoagulant therapy in the management of stroke risk in patients with atrial fibrillation. This review reports on some of the more common devices that are currently being used to manage patients in this challenging group.
February 12, 2018: Journal of Clinical Medicine
https://www.readbyqxmd.com/read/29434360/mechanical-occlusion-of-the-left-atrial-appendage-lessons-from-surgical-experience
#11
Dawn S Hui, Richard Lee
No abstract text is available yet for this article.
February 13, 2018: Nature Reviews. Cardiology
https://www.readbyqxmd.com/read/29425535/-percutaneous-closure-of-the-left-atrial-appendage-eliminate-the-thromboembolic-risk-of-atrial-fibrillation
#12
P Kamtchueng
No abstract text is available yet for this article.
February 2018: Journal de Médecine Vasculaire
https://www.readbyqxmd.com/read/29420720/whale-tail-left-atrial-appendage-anatomy-implications-for-percutaneous-closure-devices
#13
Mohamad Alkhouli, David M Campsey, Bryan Raybuck, James Mills
No abstract text is available yet for this article.
February 6, 2018: European Heart Journal
https://www.readbyqxmd.com/read/29415491/is-an-appreciation-of-isomerism-the-key-to-unlocking-the-mysteries-of-the-cardiac-findings-in-heterotaxy
#14
REVIEW
Robert H Anderson, Diane E Spicer, Rohit Loomba
Pediatric cardiologists treating patients with severe congenital cardiac defects define "visceral heterotaxy" on the basis of isomerism of the atrial appendages. The isomeric features represent an obvious manifestation of disruption of left-right asymmetry during embryonic development. Thus, there are two subsets of individuals within the overall syndrome, with features of either right or left isomerism. Within the heart, it is only the atrial appendages that are truly isomeric. The remainder of the cardiac components shows variable morphology, as does the arrangement of the remaining body organs...
February 6, 2018: Journal of Cardiovascular Development and Disease
https://www.readbyqxmd.com/read/29415203/left-atrial-appendage-patency-and-device-related-thrombus-after-percutaneous-left-atrial-appendage-occlusion-a-computed-tomography-study
#15
Hubert Cochet, Xavier Iriart, Soumaya Sridi, Claudia Camaioni, Olivier Corneloup, Michel Montaudon, François Laurent, Wieme Selmi, Pauline Renou, Zakaria Jalal, Jean-Benoît Thambo
Aims: Transoesophageal echocardiography studies have reported frequent peri-device leaks and device-related thrombi (DRT) after percutaneous left atrial appendage (LAA) occlusion. We assessed the prevalence, characteristics and correlates of leaks and DRT on cardiac computed tomography (CT) after LAA occlusion. Methods and results: Consecutive patients underwent cardiac CT before LAA occlusion to assess left atrial (LA) volume, LAA shape, and landing zone diameter...
February 2, 2018: European Heart Journal Cardiovascular Imaging
https://www.readbyqxmd.com/read/29414920/interventional-left-atrial-appendage-closure-affects-the-metabolism-of-acylcarnitines
#16
Christian Fastner, Michael Behnes, Benjamin Sartorius, Annika Wenke, Siegfried Lang, Gökhan Yücel, Katherine Sattler, Jonas Rusnak, Ahmad Saleh, Christian Barth, Kambis Mashayekhi, Ursula Hoffmann, Martin Borggrefe, Ibrahim Akin
BACKGROUND: Left atrial appendage closure (LAAC) represents the interventional alternative to oral anticoagulation for stroke prevention in atrial fibrillation (AF). The metabolism of acylcarnitines was shown to affect cardiovascular diseases. This study evaluates the influence of successful LAAC on the metabolism of acylcarnitines. METHODS: Patients undergoing successful LAAC were enrolled prospectively. Peripheral blood samples for metabolomics measurements were collected immediately before (i...
February 7, 2018: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/29411147/atrial-fibrillation-for-the-neurologist-preventing-both-ischemic-and-hemorrhagic-strokes
#17
REVIEW
Elif Gokcal, Marco Pasi, Marc Fisher, M Edip Gurol
PURPOSE OF REVIEW: This review aims to help neurologists managing atrial fibrillation (AF) patients who had an ischemic stroke and/or with intracranial hemorrhage (ICH) markers, therefore at high embolic/hemorrhagic risks. RECENT FINDINGS: Implantable loop recorders have substantially improved the accuracy of AF detection. Recent research yielded a set of powerful neuroimaging markers that can stratify ICH risk. Direct oral anticoagulants (DOAC) are easier to use with a lower ICH risk than warfarin in a general AF population...
February 6, 2018: Current Neurology and Neuroscience Reports
https://www.readbyqxmd.com/read/29410126/heart-transplant-in-patient-with-isolated-left-superior-vena-cava-by-atrial-appendage-rotation
#18
Karl Reyes, Dipankar Gupta, Frederick Jay Fricker, Susan Cooke, Mark Steven Bleiweis
Orthotopic heart transplantation in patients with an isolated persistent left superior vena cava are extremely rare, and the anastomotic connection between a right sided donor superior vena cava and left sided recipient superior vena cava can be challenging to perform. We present an infant female in whom the left atrial appendage was used to extend the superior vena cava anastomosis.
February 1, 2018: Annals of Thoracic Surgery
https://www.readbyqxmd.com/read/29405595/intra-cardiac-echo-for-left-atrial-appendage-occlusion
#19
EDITORIAL
Ted Feldman, Jose Nazari
Left atrial appendage occlusion using the Amulet device can be accomplished with fluoroscopic and intra-cardiac echo (ICE) imaging for guidance, obviating the need for general anesthesia and trans-esophageal echo. The ICE device can be placed directly into the left atrium, parallel to the occluder delivery system, using a single transseptal puncture, rather than via double transseptal puncture. The ideal methods for left atrial appendage imaging and procedure guidance have yet to be defined. The utility of CT evaluation is increasingly recognized...
February 1, 2018: Catheterization and Cardiovascular Interventions
https://www.readbyqxmd.com/read/29403390/fatty-infiltration-of-the-myocardium-and-arrhythmogenesis-potential-cellular-and-molecular-mechanisms
#20
REVIEW
Justus M B Anumonwo, Todd Herron
Anatomical evidence in several species shows highly heterogeneous fat distribution in the atrial and ventricular myocardium. Atrial appendages have fat deposits, and more so on the posterior left atrium. Although such fat distributions are considered normal, fatty infiltration is regarded arrhythmogenic, and various cardiac pathophysiological conditions show excess myocardial fat deposits, especially in the epicardium. Hypotheses have been presented for the physiological and pathophysiological roles of epicardial fat, however this issue is poorly understood...
2018: Frontiers in Physiology
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