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Ablation for AVNRT

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https://www.readbyqxmd.com/read/30465902/a-novel-pacing-maneuver-to-verify-the-post-pacing-interval-minus-the-tachycardia-cycle-length-while-adjusting-for-decremental-conduction-using-dual-chamber-entrainment-for-improved-supraventricular-tachycardia-discrimination
#1
Daniel W Kaiser, Javed M Nasir, L Bing Liem, Chad Brodt, Kara S Motonaga, Scott R Ceresnak, Mintu P Turakhia, Anne M Dubin
BACKGROUND: The post-pacing interval (PPI) minus the tachycardia cycle length (TCL) is frequently used to investigate tachycardias. However, a variety of issues (e.g. failure to entrain, decremental conduction, and oscillating TCLs) can make interpretation of the PPI-TCL challenging. OBJECTIVES: To investigate a novel maneuver to confirm the PPI-TCL value without using either the ventricular PPI or the TCL interval. To assess the ability of this maneuver to identify decremental conduction and differentiate supraventricular tachycardias...
November 19, 2018: Heart Rhythm: the Official Journal of the Heart Rhythm Society
https://www.readbyqxmd.com/read/30445881/high-detailed-evaluation-of-the-right-atrial-anatomy-by-three-dimensional-rotational-angiography-during-ablation-procedures-for-atrioventricular-nodal-reentrant-tachycardia-and-atrial-flutter
#2
Christophe Garweg, Stijn De Buck, Bert Vandenberk, Rik Willems, Joris Ector
AIM: 3D Rotational angiography (3DRA) allows for detailed reconstruction of atrial anatomy and is often used in the left atrium to facilitate pulmonary vein isolation. This study aimed to reappraise the anatomy of the right atrium (RA) using 3DRA, specifically looking at Koch's triangle and the cavotricuspid isthmus (CTI) in procedures for atrio-ventricular reentrant tachycardia (AVNRT) and atrial flutter (AFl) ablation. METHODS AND RESULTS: 3DRA was performed in 97 patients undergoing ablation for AVNRT (n = 51) or AFl (n = 46)...
November 16, 2018: Scandinavian Cardiovascular Journal: SCJ
https://www.readbyqxmd.com/read/30402470/impact-of-radiofrequency-ablation-and-antiarrhythmic-medications-on-the-quality-of-life-of-patients-with-supraventricular-tachycardias-preliminary-validation-of-the-greek-version-of-the-umea22-u22-questionnaire
#3
Philippe-Richard Domeyer, Smaragda Ch Giannakidou, Panagiota Kyriakou, Vasiliki Katsari, Antonios P Antoniadis, Ioannis K Lagos, Nikolaos Fragakis, Agoritsa Varaklioti, Vassilios P Vassilikos
Objective: This study aims to (i) translate, culturally adapt, and preliminarily validate the arrhythmia-specific Umea22 (U22) questionnaire and (ii) assess the impact of radiofrequency (RF) ablation and medical treatment on the quality of life of patients with supraventricular tachycardias (SVTs). Methods: A total of 140 patients with atrioventricular nodal re-entry tachycardia (AVNRT) and atrioventricular re-entry tachycardia (AVRT) were enrolled in the study...
2018: BioMed Research International
https://www.readbyqxmd.com/read/30322760/clinical-features-of-post-cardiac-injury-syndrome-following-catheter-ablation-of-arrhythmias-systematic-review-and-additional-cases
#4
Wei Li, Jian Sun, Ying Yu, Zhi-Quan Wang, Peng-Pai Zhang, Kai Guo, Man-Tian Chen, Yi-Gang Li
BACKGROUND: Post cardiac injury syndrome (PCIS) is a troublesome but not uncommon complication following catheter ablation of arrhythmias. We aimed to study the clinical features of ablation-associated PCIS. METHODS: For this purpose, we conducted a computerised literature search that identified 19 published cases, and we additionally included another 2 new cases from our centres. Twenty-one cases of PCIS following ablation were analysed. RESULTS: Among the 21 cases, PCIS most commonly occurred after atrial flutter/fibrillation (AFL/AF) ablation (71...
October 7, 2018: Heart, Lung & Circulation
https://www.readbyqxmd.com/read/30180406/-3d-electronic-anatomy-mapping-guided-radiofrequency-catheter-ablation-in-95-children-with-atrioventricular-nodal-reentrant-tachycardia
#5
H Jiang, X M Li, M T Li, X C Zheng, H J Liu, Y Zhang, H Y Ge
Objective: To investigate the clinical features and evaluate the efficacy of radiofrequency catheter ablation (RFCA) guided by 3D electronic-anatomy mapping system (CARTO3 System) in children with atrioventricular nodal reentrant tachycardia (AVNRT). Methods: This was a retrospective case-controlled study. Data were collected from 95 children with AVNRT who underwent RFCA using CARTO3 System in the first hospital of Tsinghua University from January 2014 to December 2017. The onset age, characteristic of electrophysiology and anatomy feature of Koch triangle were analyzed...
September 2, 2018: Zhonghua Er Ke za Zhi. Chinese Journal of Pediatrics
https://www.readbyqxmd.com/read/30126655/initial-single-centre-experience-with-the-novel-rhythmia%C3%A2-high-density-mapping-system-in-an-all-comer-collective-of-400-electrophysiological-patients
#6
Korbinian Lackermair, Stefanie Kellner, Antonia Kellnar, Lisa M Riesinger, Reza Wakili, Moritz F Sinner, Konstantinos D Rizas, Stephanie Fichtner, Heidi L Estner
BACKGROUND: A novel, automatically annotating ultra-high density mapping system (Rhythmia©, Boston Scientific) collects a high number and quality of electrograms (EGMs). So far, data on general use in the electrophysiological laboratory are sparse. METHODS: We retrospectively analyzed all our ablations using Rhythmia and recorded patient clinical data, procedural parameters, and mapping parameters including the count of EGMs, mapping time, and mapping volume. Where appropriate, procedural parameters were compared over time to assess a learning curve...
December 1, 2018: International Journal of Cardiology
https://www.readbyqxmd.com/read/30103070/clinical-presentation-of-ventricular-hisian-and-ventricular-nodal-accessory-pathways
#7
Roy Chung, Oussama Wazni, Thomas Dresing, Mina Chung, Walid Saliba, Bruce Lindsay, Patrick Tchou
BACKGROUND: Narrow QRS tachycardia or premature beat with bystander atrial activation or ventricular-atrial dissociation is an unusual arrhythmia that can present diagnostic and therapeutic challenges. When ventricular-atrial conduction is robust, these arrhythmias can be difficult to distinguish from atrioventricular nodal reentry. OBJECTIVE: The purpose of this study was to describe the electrophysiology characteristics, diagnostic maneuvers, and treatment of these types of arrhythmias in a series of 7 cases...
August 10, 2018: Heart Rhythm: the Official Journal of the Heart Rhythm Society
https://www.readbyqxmd.com/read/30065572/transcatheter-cryoablation-procedures-without-fluoroscopy-in-pediatric-patients-with-atrioventricular-nodal-reentrant-tachycardia-a-single-center-experience
#8
Sevket Balli, Mehmet Kucuk, Mustafa Orhan Bulut, Ilker Kemal Yucel, Ahmet Celebi
Background: Atrioventricular nodal reentrant tachycardia (AVNRT) is one of the most common supraventricular tachycardia substrates. The aim of this study was to demonstrate the excellent outcomes of cryoablation without fluoroscopy in pediatric patients with AVNRT. Methods: From September 2015 to October 2016, a transcatheter cryoablation procedure was performed in 109 patients using the EnSite® system. After electrophysiologic studies, a cryoablation catheter was advanced for the purpose of ablation of the slow pathway...
July 2018: Acta Cardiologica Sinica
https://www.readbyqxmd.com/read/30032471/the-low-specificity-of-low-voltage-bridges-associating-atrioventricular-nodal-reentry-in-pediatric-patients
#9
Amanda M Marshall, Christopher C Erickson, David A Danford, John D Kugler, Vincent C Thomas
PURPOSE: Patients with atrioventricular nodal reentry tachycardia (AVNRT) often are managed successfully by ablation of the slow pathway with success rates reported as high as 99%. Low voltage bridges (LVBs) have been demonstrated to be helpful in guiding AVNRT ablation. Patients may present to the electrophysiology lab without evidence of inducible arrhythmia. In these scenarios, the demonstration of LVBs may be diagnostic and guide catheter ablation treatment. The purpose of our study was to prospectively investigate the specificity of LVBs as a diagnostic marker of AVNRT...
July 21, 2018: Journal of Interventional Cardiac Electrophysiology: An International Journal of Arrhythmias and Pacing
https://www.readbyqxmd.com/read/29953955/electrophysiological-features-and-radiofrequency-catheter-ablation-of-supraventricular-tachycardia-in-patients-with-persistent-left-superior-vena-cava
#10
Jae-Sun Uhm, Jong-Il Choi, Yong Soo Baek, Hee Tae Yu, Pil-Sung Yang, Yun Gi Kim, Suk-Kyu Oh, Hee-Soon Park, Kwang No Lee, Tae-Hoon Kim, Jaemin Shim, Boyoung Joung, Hui-Nam Pak, Moon-Hyoung Lee, Young-Hoon Kim
BACKGROUND: The electrophysiological features and roles of persistent left superior vena cava (PLSVC) in supraventricular tachycardia (SVT) are not known. OBJECTIVE: The purpose of this study was to elucidate the electrophysiological features and roles of PLSVC in patients with SVT. METHODS: We included 37 patients with PLSVC (mean age 43.5 ± 17.1 years; 35.1% men) and 510 patients without PLSVC (mean age 43.9 ± 18.8 years; 48.2% men) who underwent an electrophysiology study for SVT...
June 25, 2018: Heart Rhythm: the Official Journal of the Heart Rhythm Society
https://www.readbyqxmd.com/read/29766449/value-of-an-old-school-approach-safety-and-long-term-success-of-radiofrequency-current-catheter-ablation-of-atrioventricular-nodal-reentrant-tachycardia-in-children-and-young-adolescents
#11
Henrike Siebels, Christian Sohns, Jan-Hendrik Nürnberg, Jürgen Siebels, Klaus Langes, Joachim Hebe
PURPOSE: Radiofrequency current energy (RFC) ablation is still considered as the gold standard for atrioventricular nodal reentrant tachycardia (AVNRT). Success-rates for AVNRT ablation vary irrespective of the ablation technology and strategy. This study aimed to access safety, efficacy, and long-term outcome of RFC catheter ablation for the treatment of AVNRT in children and adolescents aged < 19 years with special focus on modulation versus ablation of the AV nodal slow pathway (SP)...
May 15, 2018: Journal of Interventional Cardiac Electrophysiology: An International Journal of Arrhythmias and Pacing
https://www.readbyqxmd.com/read/29725383/therapeutic-effect-of-radiofrequency-ablation-on-children-with-supraventricular-tachycardia-and-the-risk-factors-for-postoperative-recurrence
#12
Chunli Li, Libo Jia, Zhenzhou Wang, Ling Niu, Xinjiang An
The present study investigated the therapeutic effect of radiofrequency ablation on children with supraventricular tachycardia (SVT), and explored the risk factors for postoperative recurrence. A total of 312 patients with pediatric SVT were selected in the Affiliated Children's Hospital of Xuzhou Medical University from April, 2011 to March, 2017. All the patients were subjected to radiofrequency ablation, and clinical data were retrospectively analyzed. Tilt table test was performed before and after treatment, and heart rate, systolic and diastolic blood pressure before and after treatment were compared...
May 2018: Experimental and Therapeutic Medicine
https://www.readbyqxmd.com/read/29611170/feasibility-of-zero-or-near-zero-fluoroscopy-during-catheter-ablation-procedures
#13
Laurent M Haegeli, Linda Stutz, Mohammed Mohsen, Thomas Wolber, Corinna Brunckhorst, Chol-Jun On, Firat Duru
BACKGROUND: Awareness of risks associated with radiation exposure to patients and medical staff has significantly increased. It has been reported before that the use of advanced three-dimensional electro-anatomical mapping (EAM) system significantly reduces fluoroscopy time, however this study aimed for zero or near zero fluoroscopy ablation to assess its feasibility and safety in ablation of atrial fibrillation (AF) and other tachyarrhythmias in a "real world" experience of a single tertiary care center...
April 3, 2018: Cardiology Journal
https://www.readbyqxmd.com/read/29578423/impact-of-radiofrequency-catheter-ablation-on-health-related-quality-of-life-assessed-by-the-sf-36-questionnaire-in-patients-with-paroxysmal-supraventricular-tachycardia
#14
G Papiashvili, N Tabagari-Bregvadze, J Brugada
The aim of the study was to investigate the effect of catheter ablation on different aspects of health-related quality of life in association with patients' age, gender and the type of paroxysmal supraventricular tachycardia. We investigated 70 consecutive patients with paroxysmal supraventricular tachycardia (AV Nodal Reentrant Tachycardia (AVNRT), AV Reentrant Tachycardia (AVRT) or Atrial Tachycardia (AT)) who underwent a catheter ablation. The patients were asked to fill out the short form (SF-36) health questionnaire before the ablation on the day of the procedure and after 3 months of a successful catheter ablation and eight health concept scores (1...
February 2018: Georgian Medical News
https://www.readbyqxmd.com/read/29556909/outcome-of-slow-pathway-modulation-for-atrioventricular-nodal-reentrant-tachycardia-with-50-versus-30-watts-more-power-more-effect
#15
Dirk G Dechering, Ruben Schleberger, Eva Greiser, Jannis Dickow, Julia Koebe, Gerrit Frommeyer, Stephan Willems, Lars Eckardt, Boris A Hoffmann, Kristina Wasmer
PURPOSE: Slow pathway modulation is the treatment of choice in patients with atrioventricular nodal reentrant tachycardia (AVNRT). No comparative data on ablation strategies exist. Therefore, we sought to compare two common ablation approaches. METHODS: We analyzed prospective ablation databases of two high-volume tertiary centers (> 1000 ablations/year) using either 30 or 50 W for slow pathway modulation from 2012 to 2013. We analyzed procedural characteristics as well as short- and long-term outcomes...
July 2018: Journal of Interventional Cardiac Electrophysiology: An International Journal of Arrhythmias and Pacing
https://www.readbyqxmd.com/read/29540373/left-septal-slow-pathway-ablation-for-atrioventricular-nodal-reentrant-tachycardia
#16
Demosthenes G Katritsis, Roy M John, Rakesh Latchamsetty, Rahul G Muthalaly, Theodoros Zografos, George D Katritsis, William G Stevenson, Igor R Efimov, Fred Morady
BACKGROUND: Immunohistochemistry studies suggest that the anatomic substrate of the slow pathway in atrioventricular nodal reentrant tachycardia (AVNRT) is the left inferior nodal extension. We hypothesized that slow pathway ablation from the left septum is an effective alternative to right-sided ablation. METHODS AND RESULTS: We analyzed our databases of AVNRT in search of cases that had used slow pathway ablation from the left septum because of failure of right septal ablation, and then prospectively subjected consenting patients to a left septal-only procedure...
March 2018: Circulation. Arrhythmia and Electrophysiology
https://www.readbyqxmd.com/read/29476203/first-experience-with-zero-fluoroscopic-ablation-for-supraventricular-tachycardias-using-a-novel-impedance-and-magnetic-field-based-mapping-system
#17
Katie A Walsh, Joseph Galvin, John Keaney, Edward Keelan, Gabor Szeplaki
AIMS: Zero- and near-zero-fluoroscopic ablation techniques reduce the harmful effects of ionizing radiation during invasive electrophysiology procedures. We aimed to test the feasibility and safety of a zero-fluoroscopic strategy using a novel integrated magnetic and impedance-based electroanatomical mapping system for radiofrequency ablation (RFA) of supraventricular tachycardias (SVTs). METHODS: We retrospectively studied 92 consecutive patients undergoing electrophysiology studies with/without RFA for supraventricular tachycardia (SVT) performed by a single operator at a single center...
July 2018: Clinical Research in Cardiology: Official Journal of the German Cardiac Society
https://www.readbyqxmd.com/read/29433068/a-simplified-approach-for-evaluating-sustained-slow-pathway-conduction-for-diagnosis-and-treatment-of-atrioventricular-nodal-reentry-tachycardia-in-children-and-adults
#18
Janusz Sledz, Michal Labus, Mariusz Mazij, Monika Klank-Szafran, Dariusz Karbarz, Bartosz Ludwik, Jacek Kusa, Karol Deutsch, Leslaw Szydlowski, Adrian Mscisz, Jerzy Spikowski, Aleksandra Morka, Tomasz Kameczura, Aleksandra Swietoniowska-Mscisz, Sebastian Stec
PURPOSE: During incremental atrial pacing in patients with atrioventricular nodal reentrant tachycardia, the PR interval often exceeds the RR interval (PR > RR) during stable 1:1 AV conduction. However, the PR/RR ratio has never been evaluated in a large group of patients with pacing from the proximal coronary sinus and after isoproterenol challenge. Our study validates new site of pacing and easier method of identification of PR > RR. MATERIAL AND METHODS: A prospective protocol of incremental atrial pacing from the proximal coronary sinus was carried out in 398 patients (AVNRT-228 and control-170)...
February 10, 2018: Advances in Medical Sciences
https://www.readbyqxmd.com/read/29397525/coronary-sinus-morphology-in-pediatric-patients-with-supraventricular-tachycardia
#19
COMPARATIVE STUDY
Matthew B Ambrose, Jennifer N Avari Silva, Michael Rudokas, Tammy M Bowman, Joshua Murphy, George F Van Hare
PURPOSE: The anatomic basis of atrioventricular node reentrant tachycardia (AVNRT) remains incompletely characterized in children. Differences in coronary sinus (CS) size and morphology have been observed in adults with AVNRT but have not been well characterized in children. METHODS: Children (< 18 years) brought to the EP lab with supraventricular tachycardia for ablation underwent CS venography. A blinded pediatric interventional cardiologist performed CS measurements, which were indexed to body surface area...
March 2018: Journal of Interventional Cardiac Electrophysiology: An International Journal of Arrhythmias and Pacing
https://www.readbyqxmd.com/read/29387326/performance-of-electrophysiologic-study-in-an-asymptomatic-patient-with-type-2-intermittent-brugada-syndrome-to-do-or-not-to-do
#20
Kaveh Hosseini, Mansour Jahangiri, Ali Vasheghani Farahani
Background: Brugada syndrome (BrS) is an inherited channelopathy, which is associated with sudden cardiac death due to rapid polymorphic VT or VF. There is no definite consensus regarding the management of asymptomatic patients. Some experts advocate close follow-up; others propose the programmed stimulation for risk stratification. We aimed to evaluate the benefit of complete atrial and ventricular stimulation in patients with BrS and palpitation. Case Presentation: A 30-year-old man was admitted to our hospital because of a family history of sudden cardiac death (SCD) at age less than 45 years...
2018: Caspian Journal of Internal Medicine
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