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https://www.readbyqxmd.com/read/29345687/interventional-cardiology-3d-printing-of-personalized-implants-for-left-atrial-appendage-occlusion
#1
Alexandra Le Bras
No abstract text is available yet for this article.
January 18, 2018: Nature Reviews. Cardiology
https://www.readbyqxmd.com/read/29342299/benefit-of-left-atrial-appendage-electrical-isolation-for-persistent-and-long-standing-persistent-atrial-fibrillation-a-systematic-review-and-meta-analysis
#2
Jorge Romero, Gregory F Michaud, Ricardo Avendano, David F Briceño, Saurabh Kumar, Juan Carlos Diaz, Sanghamitra Mohanty, Chintan Trivedi, Carola Gianni, Domenico Della Rocca, Riccardo Proietti, Laura Perrotta, Stefano Bordignon, Julian K R Chun, Boris Schmidt, Mario Garcia, Andrea Natale, Luigi Di Biase
Aims: The long-term outcomes of left atrial appendage electrical isolation (LAAEI) in patients with non-paroxysmal atrial fibrillation (AF) have corroborated the significant role of the LAA in this arrhythmia. We sought to investigate the incremental benefit of LAAEI in patients undergoing catheter ablation for persistent AF or long-standing persistent AF (LSPAF). Methods and results: A systematic review of Medline, Cochrane, and Embase for all the clinical studies in which assessment LAAEI in non-paroxysmal AF patients was performed...
January 12, 2018: Europace: European Pacing, Arrhythmias, and Cardiac Electrophysiology
https://www.readbyqxmd.com/read/29342255/thoracoscopic-left-atrial-appendage-clipping-as-novel-treatment-option-for-peri-device-leakage
#3
Athiná M Kougioumtzoglou, Tim Smith, Martin J Swaans, Lucas V A Boersma, Bart P van Putte
No abstract text is available yet for this article.
January 12, 2018: Europace: European Pacing, Arrhythmias, and Cardiac Electrophysiology
https://www.readbyqxmd.com/read/29342043/the-american-otological-society-at-its-sesquicentennial-insights-into-the-society-s-formative-years
#4
Robert K Jackler, Jennifer C Alyono, Albert C Mudry
OBJECTIVE: To elucidate the sequence of events which led to the formation of the American Otological Society (AOS) in 1868 and to examine the lives and contributions of the nine founding members of the Society. METHODS: Study of primary historical documents, biographical material, and previous histories of the AOS. RESULTS: Earlier treatments of the history of the AOS minimally covered the events and personalities from the Society's formative period...
January 16, 2018: Otology & Neurotology
https://www.readbyqxmd.com/read/29340161/direct-ice-imaging-from-inside-the-left-atrial-appendage-during-ablation-of-persistent-atrial-fibrillation
#5
Gabriel Cismaru, Mihai Puiu, Radu Rosu, Lucian Muresan, Gabriel Gusetu, Dana Pop, Dumitru Zdrenghea
We present the case of a 59-year-old patient with persistent atrial fibrillation, referred for atrial fibrillation ablation. The procedure was performed with the help of NAVX 3D mapping system (Saint Jude Medical) and iLAB Ultra ICE Plus ultrasound imaging catheter (Boston Scientific). The catheter permits cross-sectional images perpendicular to catheter's long axis. From inside left atrial appendage (LAA) looks trabeculated, due to pectinate muscles running parallel to each other. The presence of a thrombus was excluded from the appendage...
January 2018: Oxford Medical Case Reports
https://www.readbyqxmd.com/read/29339165/safety-and-efficacy-of-transcatheter-left-atrial-appendage-closure-for-stroke-prevention-in-patients-with-atrial-fibrillation
#6
REVIEW
Matthew J Price
Atrial fibrillation (AF) is associated with a substantial risk of thromboembolic stroke. Although long-term treatment with warfarin or the non-vitamin K oral anticoagulants can reduce this risk, such therapy is underutilized, and safe and consistent long-term treatment can be challenging. Transcatheter left atrial appendage (LAA) closure is an emerging alternative to long-term oral anticoagulation. Long-term follow-up of randomized clinical trials demonstrate that Watchman LAA closure provides significant reductions in hemorrhagic stroke, cardiovascular death, and all-cause mortality compared with continued warfarin therapy...
January 12, 2018: Progress in Cardiovascular Diseases
https://www.readbyqxmd.com/read/29336499/ecologically-driven-ultrastructural-and-hydrodynamic-designs-in-stomatopod-cuticles
#7
Lessa Kay Grunenfelder, Garrett Milliron, Steven Herrera, Isaias Gallana, Nicholas Yaraghi, Nigel Hughes, Kenneth Evans-Lutterodt, Pablo Zavattieri, David Kisailus
Ecological pressures and varied feeding behaviors in a multitude of organisms have necessitated the drive for adaptation. One such change is seen in the feeding appendages of stomatopods, a group of highly predatory marine crustaceans. Stomatopods include "spearers," who ambush and snare soft bodied prey, and "smashers," who bludgeon hard-shelled prey with a heavily mineralized club. The regional substructural complexity of the stomatopod dactyl club from the smashing predator Odontodactylus scyllarus represents a model system in the study of impact tolerant biominerals...
January 16, 2018: Advanced Materials
https://www.readbyqxmd.com/read/29336407/unknown-left-atrial-appendage-mass-real-time-three-dimensional-transesophageal-echocardiography-helps-in-identification
#8
Prabhat Tewari, Aanchal Dixit, Rashmi Soori
Left Atrial Appendage (LAA) is the most contractile part of Left atrium. It is also the most frequent place for thrombus formation that may lead to disastrous consequences. Complete trasoesophageal echocardiography examination always includes assessing LAA but sometimes unusually placed pectinate muscle, which is a normal structure may give baffling shadow that can only be interpreted correctly by Real time 3D echocardiography.
January 2018: Annals of Cardiac Anaesthesia
https://www.readbyqxmd.com/read/29336404/role-of-transesophageal-echocardiography-during-left-atrial-appendage-occlusion-device-closure-in-a-patient-with-non-valvular-atrial-fibrillation-and-angiodysplasia-of-the-colon
#9
Dinesh Kumar, Sunil Kumar, Nagraj Desai
Atrial fibrillation is the most common arrhythmia associated with significant mortality and morbidity secondary to thrombo-embolism. To prevent this thrombo-embolism oral anticoagulation therapy is the recommended treatment. In patients with contraindications to oral anticoagulation therapy, percutaneous left atrial appendage occlusion device is indicated. TEE is essential to guide in all the stages of LAA device deployment. Right from pre-procedure screening, to guiding during deployment, to rule out any complications and post-procedure surveillance and monitoring long term outcomes...
January 2018: Annals of Cardiac Anaesthesia
https://www.readbyqxmd.com/read/29336402/mechanical-discordance-between-left-atrium-and-left-atrial-appendage
#10
Arash Khamooshian, Jelliffe Jeganthan, Yannis Amador, Roger J Laham, Feroze Mahmood, Robina Matyal
During standard transesophageal echocardiographic examinations in sinus rhythm (SR) patients, the left atrial appendage (LAA) is not routinely assessed with Doppler. Despite having a SR, it is still possible to have irregular activity in the LAA. This situation is even more important for SR patients where assessment of the left atrium is often foregone. We describe a case where we encountered this situation and briefly review how to assess the left atrium and its appendage in such a case scenario.
January 2018: Annals of Cardiac Anaesthesia
https://www.readbyqxmd.com/read/29336400/successful-resolution-with-apixaban-of-a-massive-left-atrial-appendage-thrombus-due-to-nonrheumatic-atrial-fibrillation-a-case-report-and-review
#11
Bader Abu Ghalyoun, Matthew Lempel, Hamid Shaaban, Fayez Shamoon
A 32-year-old woman with a past medical history of paroxysmal atrial fibrillation, long QT syndrome, and implantation of an automatic iimplantable cardioverter-defibrillator (AICD) following cardiac arrest presented with disabling symptoms of paroxysmal atrial fibrillation due to recurrent AICD shocks. Before curative ablation, transesophageal echocardiography was performed to assess for existing thrombi. This is a rare case of successful resolution with apixaban of a massive left atrial appendage thrombus due to non-rheumatic atrial fibrillation that was successfully treated with apixaban...
January 2018: Annals of Cardiac Anaesthesia
https://www.readbyqxmd.com/read/29335527/myosin-va-is-required-for-preciliary-vesicle-transportation-to-the-mother-centriole-during-ciliogenesis
#12
Chien-Ting Wu, Hsin-Yi Chen, Tang K Tang
Primary cilia play essential roles in signal transduction and development. The docking of preciliary vesicles at the distal appendages of a mother centriole is an initial/critical step of ciliogenesis, but the mechanisms are unclear. Here, we demonstrate that myosin-Va mediates the transportation of preciliary vesicles to the mother centriole and reveal the underlying mechanism. We also show that the myosin-Va-mediated transportation of preciliary vesicles is the earliest event that defines the onset of ciliogenesis...
January 15, 2018: Nature Cell Biology
https://www.readbyqxmd.com/read/29333777/-retrospective-analysis-of-adverse-drug-reactions-in-stomatology-hospital-from-2014-to-2016
#13
Li Jia, Wang Jianli, Zhao Ke, Zhao Shaofeng
OBJECTIVE: This study aims to investigate the characteristics and general rules of adverse drug reactions (ADR) in a 3A-grade stomatology hospital for safe and rational drug use in clinical stomatology. METHODS: We retrospectively analyzed 52 ADR cases (1∶1.36, males∶females) reported in the West China Hospital of Stomatology of Sichuan University from 2014 to 2016 in terms of gender and age distributions, drug categories, and clinical manifestations. RESULTS: Eight kinds of drugs and antibiotics were predominately used [24 cases, 46...
December 1, 2017: Hua Xi Kou Qiang Yi Xue za Zhi, Huaxi Kouqiang Yixue Zazhi, West China Journal of Stomatology
https://www.readbyqxmd.com/read/29332397/unconventional-fragment-usage-enables-a-concise-total-synthesis-of-callyspongiolide
#14
Francesco Manoni, Corentin Rumo, Liubo Li, Patrick G Harran
An asymmetric synthesis of (-)-callyspongiolide is described. The route builds the macrolide domain atypically from a disaccharide and a monoterpene without passing through a seco-acid. Chiral iridium catalysis selectively joins fragments. Subsequent degradation of an imbedded butyrolactone via perhemiketal fragmentation affords a stereo and regio-defined homoallylic alcohol that is engaged directly in a carbonylative macrolactonization. Further elaboration of the polyunsaturated appendage provides the natural product in a particularly direct and flexible manner...
January 13, 2018: Journal of the American Chemical Society
https://www.readbyqxmd.com/read/29331013/epiploic-appendagitis
#15
Aimal Khan, Pak Shan Leung
No abstract text is available yet for this article.
October 2017: Journal of Ayub Medical College, Abbottabad: JAMC
https://www.readbyqxmd.com/read/29330651/3d-computed-tomography-to-compare-the-dimensions-of-the-left-atrial-appendage-in-patients-with-normal-sinus-rhythm-and-those-with-paroxysmal-atrial-fibrillation
#16
Maiko Hozawa, Yoshihiro Morino, Yuki Matsumoto, Ryoichi Tanaka, Kyohei Nagata, Akiko Kumagai, Atsushi Tashiro, Akio Doi, Kunihiro Yoshioka
Although paroxysmal atrial fibrillation (PAF) is an important cause of cardioembolic stroke, in contrast to chronic AF patients, the anatomical features of the left atrial appendage (LAA) in PAF patients remain unknown. Here, we investigated differences in LAA structures in patients with PAF and those with normal sinus rhythms (NSR) using 3D-computed tomography (3D-CT), which allows us to visualize complicated LAA structures at high spatial resolution. Study subjects were 30 consecutive PAF and 30 NSR patients with complete enhanced cardiac 3D-CT images available...
January 12, 2018: Heart and Vessels
https://www.readbyqxmd.com/read/29330179/influence-of-type-i-fimbriae-and-fluid-shear-stress-on-bacterial-behavior-and-multicellular-architecture-of-early-escherichia-coli-biofilms-at-single-cell-resolution
#17
Liyun Wang, Robert Keatch, Qi Zhao, John A Wright, Clare E Bryant, Anna L Redmann, Eugene M Terentjev
Biofilm formation on abiotic surfaces in food and medical industry can cause severe contamination and infection, yet how biological and physical factors determine cellular architecture of early biofilms and bacterial behavior of the constituent cells remains largely unknown. In this study we examine the specific role of type-I fimbriae in nascent stages of biofilm formation and the response of micro-colonies to environmental flow shear at single-cell resolution. The results show that type-I fimbriae are not required for reversible adhesion from plankton, but critical for irreversible adhesion of Escherichia coli (E...
January 12, 2018: Applied and Environmental Microbiology
https://www.readbyqxmd.com/read/29327704/emerging-nonmetabolic-functions-of-skin-fat
#18
REVIEW
Christian F Guerrero-Juarez, Maksim V Plikus
Although the major white adipose depots evolved primarily to store energy, secrete hormones and thermo-insulate the body, multiple secondary depots developed additional specialized and unconventional functions. Unlike any other fat tissue, dermal white adipose tissue (dWAT) evolved a large repertoire of novel features that are central to skin physiology, which we discuss in this Review. dWAT exists in close proximity to hair follicles, the principal appendages of the skin that periodically grow new hairs. Responding to multiple hair-derived signals, dWAT becomes closely connected to cycling hair follicles and periodically cycles itself...
January 12, 2018: Nature Reviews. Endocrinology
https://www.readbyqxmd.com/read/29327638/hybrid-and-surgical-procedures-for-the-treatment-of-persistent-and-longstanding-persistent-atrial-fibrillation
#19
Jose M Sanchez, Ghannam Al-Dosari, Sherman Chu, Ramin Beygui, Tobias Deuse, Nitish Badhwar, Randall J Lee
Atrial fibrillation (AF) is the most common cardiac arrhythmia. The incidence of AF increases with age and is associated with increased stroke, heart failure and mortality. Persistent and long standing persistent AF is difficult to treat and often refractory to medical therapy and catheter ablation. Areas covered: This article reviews the historical development of the surgical Cox-MAZE procedure and current hybrid and minimally invasive surgical approaches for the treatment of persistent and long standing persistent AF...
January 12, 2018: Expert Review of Cardiovascular Therapy
https://www.readbyqxmd.com/read/29326830/optimum-risk-assessment-for-stroke-in-atrial-fibrillation-should-we-hold-the-status-quo-or-consider-magnitude-synergism-and-left-atrial-appendage-anatomy
#20
James A Reiffel
Thromboembolic stroke and systemic embolism are generally agreed to be the major morbidity/mortality concerns for patients with AF. However, the risk of thromboembolism is not the same for all AF patients. Both AF and comorbidities must interact synergistically to create the risk for thromboembolism. But, is the synergism dichotomous - AF present or absent, comorbid disorder present or absent - or does synergism have magnitude, depending on the number and severity of the associated disorders and the amount of time one is in AF? This review discusses the current risk-score contributors and options for assessing risk of thromboembolism in AF patients, and what their combined roles might be...
December 2017: Arrhythmia & Electrophysiology Review
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