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https://www.readbyqxmd.com/read/28749010/radiofrequency-ablation-of-fast-ventricular-tachycardia-causing-an-icd-storm-in-an-infant-with-hypertrophic-cardiomyopathy
#1
Yakup Ergul, Isa Ozyilmaz, Meki Bilici, Erkut Ozturk, Sertaç Haydin, Alper Guzeltas
An implantable cardioverter defibrillator (ICD) storm involves very frequent arrhythmia episodes and ICD shocks, and it is associated with poor short-term and long-term prognosis. Radiofrequency catheter ablation (RFCA) can be used as an effective rescue treatment for patients with an ICD storm. To our knowledge, this is the first report of an infant with HCM presenting with an ICD storm and undergoing successful radiofrequency catheter ablation salvage treatment for the fast left posterior fascicular VT. This article is protected by copyright...
July 27, 2017: Pacing and Clinical Electrophysiology: PACE
https://www.readbyqxmd.com/read/28748145/isolation-of-the-conduction-between-the-marshall-bundle-and-distal-coronary-sinus-and-the-entire-coronary-sinus-for-an-atrial-tachycardia-after-catheter-ablation-of-atrial-fibrillation
#2
Daisuke Wakatsuki, Taku Asano, Hiroshi Mase, Masaaki Kurata, Hisa Shimojima, Hiroshi Suzuki
No abstract text is available yet for this article.
July 2017: HeartRhythm Case Reports
https://www.readbyqxmd.com/read/28748139/subvalvular-catheter-ablation-of-the-cavotricuspid-isthmus-in-a-patient-with-ebstein-s-anomaly-and-tricuspid-valve-replacement
#3
Roberto G Gallotti, Kevin M Shannon, Jeremy P Moore
No abstract text is available yet for this article.
July 2017: HeartRhythm Case Reports
https://www.readbyqxmd.com/read/28747025/platelet-function-and-microparticle-levels-in-atrial-fibrillation-changes-during-the-acute-episode
#4
Line Pourtau, Jean Marc Sellal, Romaric Lacroix, Philippe Poncelet, Olivier Bernus, Gisèle Clofent-Sanchez, Mélèze Hocini, Michel Haïssaguerre, Françoise Dignat-George, Frédéric Sacher, Paquita Nurden
BACKGROUND: Thrombotic risk constitutes a major complication of atrial fibrillation (AF). Platelets and microparticles (MPs) are important for hemostasis and thrombosis, however their participation during AF is not well known. The aim of this study was to characterize platelet function and MPs procoagulant and fibrinolytic activity in AF patients and to determine the effects of an acute-AF episode. METHODS: Blood was collected from paroxysmal (21) and persistent (16) AF patients referred for AF catheter ablation...
September 15, 2017: International Journal of Cardiology
https://www.readbyqxmd.com/read/28744991/utility-of-high-density-multielectrode-mapping-during-ablation-of-scar-related-ventricular-tachycardia
#5
Óscar Cano, Diego Plaza, Assumpció Saurí, Joaquín Osca, Pau Alonso, Ana Andrés, María-José Sancho-Tello, Luis Martínez-Dolz
INTRODUCTION: Multielectrode mapping catheters (MEMC) allow the performance of high resolution and density maps but the utility of these catheters in ventricular tachycardia (VT) ablation procedures has not been yet widely described. We sought to evaluate the utility of a MEMC during scar-related VT ablation procedures. METHODS: 85 consecutive scar-related VT ablation procedures were performed in 81 patients. In the first 26 procedures, a standard 3.5 mm tip linear catheter was employed for endocardial/epicardial mapping (control group)...
July 26, 2017: Journal of Cardiovascular Electrophysiology
https://www.readbyqxmd.com/read/28744928/evaluation-of-left-atrial-thrombus-prior-to-catheter-ablation-of-atrial-fibrillation-is-it-time-for-an-individualized-approach
#6
EDITORIAL
Avishag Laish-Farkash, Mahmoud Suleiman
No abstract text is available yet for this article.
July 26, 2017: Journal of Cardiovascular Electrophysiology
https://www.readbyqxmd.com/read/28744873/epicardial-ablation-of-tachyarrhythmia-in-children-experience-at-two-academic-centers
#7
Shailendra Upadhyay, Edward P Walsh, Frank Cecchin, John K Triedman, Juan Villafane, J Philip Saul
BACKGROUND: Experience with percutaneous epicardial ablation of tachyarrhythmia in pediatrics is limited. This case series addresses the feasibility, safety and complications of the procedure in children. METHODS: A total of 9 patients underwent 10 epicardial ablation procedures from 2002 to 2013 at two academic centers. Activation mapping was performed in all cases, and electro-anatomic map was utilized in 9 of the 10 procedures. Patients had undergone 1-3 failed endocardial catheter ablations in addition to medical management, and all had symptoms, a high-risk accessory pathway (AP), aborted cardiac arrest with Wolff-Parkinson-White syndrome (WPW) or ventricular dysfunction...
July 26, 2017: Pacing and Clinical Electrophysiology: PACE
https://www.readbyqxmd.com/read/28744864/impact-of-timing-of-recurrence-following-catheter-ablation-of-scar-related-ventricular-tachycardia-on-subsequent-mortality
#8
Daniele Muser, Todd Mendelson, Joe Fahed, Jackson J Liang, Simon A Castro, Erica Zado, Francis E Marchlinski, Pasquale Santangeli
BACKGROUND: Catheter ablation (CA) has an established role in scar-related ventricular tachycardia (VT), but the risk of recurrences is substantial and the appropriate intensity of post-ablation monitoring unknown. The implication of timing of post-ablation VT recurrence has not been adequately investigated. METHODS: We studied 120 consecutive patients with scar-related VT (age 60±15 years, LVEF 39±16%, 52% ischemic etiology) with at least 2-years of follow-up...
July 26, 2017: Pacing and Clinical Electrophysiology: PACE
https://www.readbyqxmd.com/read/28739473/a-defined-protocol-to-resolving-cannulation-failure-during-endovenous-ablation-procedures
#9
Scarlett Hao, Samantha Cox, Thomas S Monahan, Tanya Flohr, Rajabrata Sarkar
During endovenous ablation for the treatment of insufficient veins, failure to cannulate the entirety of the refluxing vein with the treatment catheter prevents technically successful ablation. In this technique report, we describe a defined protocol to overcome cannulation failure of axial veins for endovenous ablation. This protocol utilizes commonly available adjunctive techniques including ultrasound-guided digital compression, the use of a guide wire, the use of a guide catheter, and placement of a second puncture site in a step-wise fashion to overcome varying degrees of tortuosity or obstruction...
July 21, 2017: Annals of Vascular Surgery
https://www.readbyqxmd.com/read/28739312/editorial-commentary-indications-for-catheter-ablation-of-ventricular-tachycardia-in-the-modern-era
#10
EDITORIAL
Basil Saour, Bradley P Knight
No abstract text is available yet for this article.
June 20, 2017: Trends in Cardiovascular Medicine
https://www.readbyqxmd.com/read/28738493/-a-case-of-high-impedance-inducedby-radiofrequency-catheter-ablation-of-accessory-pathway
#11
Q Y Zhang, B Jiang, M Liu
No abstract text is available yet for this article.
July 24, 2017: Zhonghua Xin Xue Guan Bing za Zhi
https://www.readbyqxmd.com/read/28736713/a-subtype-of-idiopathic-ventricular-fibrillation-and-its-relevance-to-catheter-ablation-and-genetic-variants
#12
Takahiko Nishiyama, Yoshiyasu Aizawa, Shogo Ito, Yoshinori Katsumata, Takehiro Kimura, Seiji Takatsuki
No abstract text is available yet for this article.
May 2017: HeartRhythm Case Reports
https://www.readbyqxmd.com/read/28736708/usefulness-of-a-multi-spline-duodecapolar-catheter-with-smaller-electrodes-and-closer-spacings-for-mapping-and-ablation-of-purkinje-related-premature-ventricular-contraction-and-triggered-ventricular-fibrillation
#13
Susumu Takase, Yasushi Mukai, Kensuke Ohe, Akiko Chishaki, Hideki Tashiro, Hiroyuki Tsutsui
No abstract text is available yet for this article.
May 2017: HeartRhythm Case Reports
https://www.readbyqxmd.com/read/28734985/safety-of-catheter-ablation-for-atrial-fibrillation-using-fiber-optic-based-contact-force-sensing
#14
Moussa Mansour, Dhanunjaya Lakkireddy, Douglas Packer, John D Day, Srijoy Mahapatra, Kyle Brunner, Vivek Reddy, Andrea Natale
BACKGROUND: While the body of evidence showing the benefit of contact force (CF) sensing catheters in improving AF ablation success rate is growing, real-world safety data of this technology are limited. OBJECTIVE: The aim of this study is to report the complication rate in patients undergoing ablation using one specific CF sensing catheter (TactiCath™Quartz Contact Force Ablation Catheter (Abbott, St Paul, MN)) in a large worldwide database. METHODS: - User-reported adverse event data from January 2014 - December 2015 was reviewed for the ablation catheter...
July 19, 2017: Heart Rhythm: the Official Journal of the Heart Rhythm Society
https://www.readbyqxmd.com/read/28733782/catheter-ablation-of-atrial-fibrillation-an-overview-for-clinicians
#15
REVIEW
Nebojša Mujović, Milan Marinković, Radoslaw Lenarczyk, Roland Tilz, Tatjana S Potpara
Catheter ablation (CA) of atrial fibrillation (AF) is currently one of the most commonly performed electrophysiology procedures. Ablation of paroxysmal AF is based on the elimination of triggers by pulmonary vein isolation (PVI), while different strategies for additional AF substrate modification on top of PVI have been proposed for ablation of persistent AF. Nowadays, various technologies for AF ablation are available. The radiofrequency point-by-point ablation navigated by electro-anatomical mapping system and cryo-balloon technology are comparable in terms of the efficacy and safety of the PVI procedure...
July 21, 2017: Advances in Therapy
https://www.readbyqxmd.com/read/28733121/paradoxical-embolism-in-a-girl-with-atrial-septal-defect-after-paroxysmal-supraventricular-tachycardia-ablation
#16
Xiang Chen, Zhijun Zhu, Danning Wu
Paradoxical embolism is a kind of important pathogenesis of cardiocerebrovascular diseases. In our case, radiofrequency current catheter ablation was accomplished successfully in a 15-year-old girl who had been experiencing supraventricular tachycardia for 6 months. She presented with abrupt onset of left hemiplegia and loss of consciousness on the first postoperative day. An urgent cerebral computed tomography showed a hyperdense right middle cerebral artery. Transthoracic echocardiogram examination revealed an atrial septal defect (ASD), with the diameter measuring 39 mm...
July 19, 2017: Journal of Stroke and Cerebrovascular Diseases: the Official Journal of National Stroke Association
https://www.readbyqxmd.com/read/28730651/a-comparison-of-the-electrophysiologic-and-electroanatomic-characteristics-between-the-right-and-left-atrium-in-persistent-atrial-fibrillation-is-the-right-atrium-a-window-into-the-left
#17
Sandeep Prabhu, Aleksandr Voskoboinik, Alex Ja McLellan, Kah Y Peck, Bupesh Pathik, Chrishan J Nalliah, Geoff R Wong, Sonia M Azzopardi, Geoffrey Lee, Justin Mariani, Liang-Han Ling, Andrew J Taylor, Jonathan M Kalman, Peter M Kistler
INTRODUCTION: The right atrium (RA) is readily accessible; however, it is unclear whether changes in the RA are representative of the LA. We performed detailed bi-atrial electroanatomic mapping to determine the electrophysiological relationship between the atria. METHODS AND RESULTS: Consecutive patients with persistent AF underwent bi-atrial electroanatomical mapping with a contact force catheter acquiring points with a CF > 10 g prior to ablation. Points were analyzed for tissue voltage, complex electrograms, low voltage (< 0...
July 21, 2017: Journal of Cardiovascular Electrophysiology
https://www.readbyqxmd.com/read/28727191/anterior-pericardial-access-to-facilitate-electrophysiology-study-and-catheter-ablation-of-ventricular-arrhythmias-a-single-tertiary-center-experience
#18
Ali R Keramati, Deeptankar DeMazumder, Satish Misra, Jonathan Chrispin, Fabrizio R Assis, Chava Raghuram, Swati Dey, Hugh Calkins, Harikrishna Tandri
INTRODUCTION: Epicardial ablation is becoming an important part of management in patients with ventricular tachycardia (VT). Posterior epicardial access via the Sosa or Needle-in-Needle (NIN) approach for epicardial VT ablation is considered to be the method of choice for most electrophysiologists. Anterior epicardial access as an alternative technique has recently been proposed, but there is limited data about its safety, efficacy and the rate of immediate complications. In this study, we report our experience with anterior epicardial access between 2009 and 2016...
July 20, 2017: Journal of Cardiovascular Electrophysiology
https://www.readbyqxmd.com/read/28726656/anxiety-levels-in-patients-with-paroxy-smal-supraventricular-tachycardia-in-relation-with-the-patient-demographics-type-of-supraventricular-tachycardia-and-their-personality-type
#19
G Papiashvili, N Tabagari-Bregvadze, J Brugada
The aim of the study was to evaluate the incidence of different personality types and state and trait anxiety levels in patients with paroxysmal supraventricular tachycardia and their association with patients age, gender and the mechanism of the paroxysmal SVT. 62 patients with documented paroxysmal supraventricular tachycardia who underwent endocardial eletrophysiological study and catheter ablation of the paroxysmal SVT were included in the study. The patients were asked to fill out the Myers-Brigss Type Indicator and State-Trait Anxiety Inventory questionnaires and the results were analyzed and correlated with the arrhythmia mechanism determined during electrophysiological study and catheter ablation procedure, and the patients' demographics (age and gender)...
June 2017: Georgian Medical News
https://www.readbyqxmd.com/read/28725325/left-atrial-appendage-volume-and-plasma-docosahexaenoic-acid-levels-are-associated-with-atrial-fibrillation-recurrence-after-catheter-ablation
#20
Tomoyuki Shiozawa, Kazunori Shimada, Gaku Sekita, Hidemori Hayashi, Haruna Tabuchi, Seiji Miura, Shinichiro Fujimoto, Tomoyasu Kadoguchi, Shohei Ouchi, Tatsuro Aikawa, Hamad Al Shahi, Shuhei Takahashi, Tetsuro Miyazaki, Masataka Sumiyoshi, Yuji Nakazato, Hiroyuki Daida
BACKGROUND: Risk factors for atrial fibrillation (AF) recurrence in patients who have undergone AF catheter ablation have not been fully clarified. The objective of this study was to assess whether the left atrium (LA) and LA appendage (LAA) volumes, and cardio-metabolic markers such as polyunsaturated fatty acids (PUFAs) levels were associated with AF recurrence. METHODS: Seventy-seven consecutive patients with AF (mean age, 59 ± 8 years; male, 81%; paroxysmal AF, 64%) undergoing catheter ablation were enrolled...
June 2017: Cardiology Research
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