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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
#1
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/28716699/bridge-to-success-a-better-method-of-cryoablation-for-atrioventricular-nodal-reentrant-tachycardia-in-children
#2
Charitha D Reddy, Scott R Ceresnak, Kara S Motonaga, Kishor Avasarala, Christine Feller, Anthony Trela, Debra Hanisch, Anne M Dubin
BACKGROUND: Cryoablation for AVNRT is associated with higher recurrence rates than radiofrequency ablation(RF). Junctional tachycardia marks procedural success with RF, but no such indicator exists for cryoablation. OBJECTIVE: To determine the impact of voltage mapping plus longer ablation lesions on mid-term success of cryoablation for children with AVNRT. METHODS: A single-center retrospective analysis was performed of pediatric patients with AVNRT who underwent cryoablation from 2011-2015...
July 14, 2017: Heart Rhythm: the Official Journal of the Heart Rhythm Society
https://www.readbyqxmd.com/read/28663043/patients-and-procedural-characteristics-of-av-block-during-slow-pathway-modulation-for-avnrt-single-center-10year-experience
#3
Kristina Wasmer, Dirk G Dechering, Julia Köbe, Patrick Leitz, Gerrit Frommeyer, Phillip S Lange, Simon Kochhäuser, Florian Reinke, Christian Pott, Gerold Mönnig, Günter Breithardt, Lars Eckardt
BACKGROUND: Permanent AV-block is a recognized and feared complication of slow pathway modulation for AVNRT. We aimed to assess incidence of transient and permanent AV-block as well as consequences of transient AV-block in a large contemporary AVNRT ablation cohort. METHODS: We searched our single center prospective ablation database for occurrence of transient and permanent AV-block during slow pathway modulation between January 2004 and October 2015. We analyzed patients' and procedural characteristics as well as outcome of patients in whom transient or permanent AV-block occurred...
June 15, 2017: International Journal of Cardiology
https://www.readbyqxmd.com/read/28641381/supraventricular-tachyarrhythmias-in-patients-with-a-persistent-left-superior-vena-cava
#4
Jongmin Hwang, Hyoung-Seob Park, Jun Kim, Jeong Su Kim, Jong Sung Park, Ki-Hun Kim, Myung Hwan Bae, Sang-Hee Lee, Young Soo Lee, Seongwook Han, Dae-Kyeong Kim, Tae-Joon Cha, Dong Gu Shin, Byung Chun Jung, Yoon-Nyun Kim
Aims: A persistent left superior vena cava (PLSVC) is the most common thoracic venous anomaly. This venous anomaly can impact the evaluation and treatment of supraventricular tachyarrhythmia (SVA). The aim of this study was to assess the proportion and characteristics of PLSVC in adult SVA patients. Methods and results: From July 2002 to July 2012, clinical and procedural data from databases of 10 cardiac electrophysiology laboratories in the Yeungnam region of the Republic of Korea were reviewed...
June 20, 2017: Europace: European Pacing, Arrhythmias, and Cardiac Electrophysiology
https://www.readbyqxmd.com/read/28612907/safety-and-efficacy-of-cryoablation-without-the-use-of-fluoroscopy
#5
Edward Kozluk, Dariusz Rodkiewicz, Agnieszka Piątkowska, Grzegorz Opolski
BACKGROUND: Development of electroanatomical systems make it possible to perform ablations without the use of fluoroscopy. The aim of this study was to evaluate the efficacy and safety of cryoablation procedures without the use of fluoroscopy. METHODS: The study group consisted of 45 patients (14 female; age 36 ± 15 years) treated with cryoablation using the EnSite electroanatomical system: 10 with ventricular extrasystoly from the right ventricle, 6 with the arrhythmogenic site near the left coronary artery, 17 patients with Wolff-Parkinson-White syndrome (WPW), 2 patients with atrioventricular nodal reentrant tachycardia (AVNRT) type 2, 7 patients with AVNRT type 1, 3 patients with atrial tachycardia...
June 14, 2017: Cardiology Journal
https://www.readbyqxmd.com/read/28612086/comparison-of-6-mm-versus-8-mm-tip-cryoablation-catheter-for-the-treatment-of-atrioventricular-nodal-reentrant-tachycardia-in-children-a-prospective-study
#6
Volkan Tuzcu, Enes Elvin Gul, Mehmet Karacan, Hacer Kamali, Nida Celik, Celal Akdeniz
Due to its safety profile, cryoablation (Cryo) for atrioventricular nodal reentrant tachycardia (AVNRT) is more commonly preferred over radiofrequency (RF) ablation in children in recent years. Recent studies demonstrated high long-term success rates comparable to radiofrequency ablation. The aim of this prospective study was to compare the efficacy and safety of an 8-mm-tip versus 6-mm-tip Cryo catheter in the treatment of AVNRT in children. A total of 125 consecutive patients over 10 years of age with AVNRT were included...
June 13, 2017: Pediatric Cardiology
https://www.readbyqxmd.com/read/28606635/atrial-and-ventricular-activation-sequence-after-ventricular-induction-entrainment-pacing-during-fast-slow-atrioventricular-nodal-reentrant-tachycardia-new-insight-into-the-use-of-v-a-a-v-for-the-differential-diagnosis-of-supraventricular-tachycardia
#7
Yoshiaki Kaneko, Tadashi Nakajima, Tadanobu Irie, Takashi Iizuka, Shuntaro Tamura, Masahiko Kurabayashi
BACKGROUND: The atrial and ventricular response observed immediately after cessation of ventricular induction/entrainment pacing is commonly analyzed to discriminate atrial tachycardia from other supraventricular tachycardias during electrophysiologic studies. However, the response in fast-slow atrioventricular nodal reentrant tachycardia (F/S-AVNRT) remains poorly investigated. OBJECTIVE: The purpose of this study was to analyze the atrial and ventricular activation patterns after ventricular pacing in F/S-AVNRT...
June 10, 2017: Heart Rhythm: the Official Journal of the Heart Rhythm Society
https://www.readbyqxmd.com/read/28593735/new-insights-into-the-clinical-signs-of-supraventricular-tachycardia-the-sign-of-lace-tying
#8
Dominique Blommaert, Fabien Dormal, Olivier Deceuninck, Olivier Xhaet, Elisabeth Ballant, Luc De Roy
BACKGROUND: Supraventricular tachycardias (SVT) are a common arrhythmia therefore an accurate diagnosis is of clinical importance. Although an ECG performed during tachycardia greatly aids diagnosis, patient history and predisposing factors also improve diagnostic accuracy. METHODS: This prospective study included 100 consecutive patients undergoing electrophysiological study for SVT with the aim to reassess their clinical characteristics and describe frequent predisposing factors, such as the "sign of lace-tying" that to our knowledge has not previously been reported...
June 8, 2017: Annals of Noninvasive Electrocardiology
https://www.readbyqxmd.com/read/28541507/current-management-and-clinical-outcomes-for-catheter-ablation-of-atrioventricular-nodal-re-entrant-tachycardia
#9
Jonathan Chrispin, Satish Misra, Joseph E Marine, John Rickard, Andreas Barth, Aravindan Kolandaivelu, Hiroshi Ashikaga, Harikrishna Tandri, David D Spragg, Jane Crosson, Ronald D Berger, Gordon Tomaselli, Hugh Calkins, Sunil K Sinha
Aims: Historical studies of ablation of atrioventricular nodal re-entrant tachycardia (AVNRT) have shown high long-term success rates and low complication rates. The potential impact of several recent practice trends has not been described. This study aims to characterize recent clinical practice trends in AVNRT ablation and their associated success rates and complications. Methods and results: Patients undergoing initial ablation of AVNRT between 1 July 2005 and 30 June 2015 were included in this study...
May 24, 2017: Europace: European Pacing, Arrhythmias, and Cardiac Electrophysiology
https://www.readbyqxmd.com/read/28520908/shortening-of-the-atrial-his-bundle-interval-during-atrial-pacing-as-a-predictor-of-successful-ablation-for-typical-atrioventricular-nodal-re-entrant-tachycardia
#10
Masahiro Nakano, Marehiko Ueda, Yusuke Kondo, Tomohiko Hayashi, Miyo Nakano, Kazuo Miyazawa, Masayuki Ishimura, Yoshio Kobayashi
Aims: Shortening of the atrial-His bundle (AH) interval during the sinus rhythm is occasionally observed after slow pathway ablation for atrioventricular nodal re-entrant tachycardia (AVNRT). In addition, high-rate atrial pacing is useful for avoiding atrioventricular block. We hypothesized that shortening of the AH interval during slow pathway ablation under high-rate atrial pacing would lead to successful ablation of typical AVNRT. Methods and results: This retrospective study included 37 patients in whom successful ablation of typical AVNRT was performed under atrial pacing...
May 17, 2017: Europace: European Pacing, Arrhythmias, and Cardiac Electrophysiology
https://www.readbyqxmd.com/read/28469873/third-degree-av-block-sensitive-to-prednisolone-72-hours-post-avnrt-ablation
#11
Abdul S Parwani, Anna I Schröder, Daniela Blaschke, Florian Blaschke, Martin Huemer, Philipp Attanasio, Burkert Pieske, Leif-Hendrik Boldt, Wilhelm Haverkamp
A patient developed a transient first-degree AV block during a radiofrequency ablation of an atrioventricular nodal reentrant tachycardia. Three days later the patient presented with a third-degree AV block. It resolved within 24 h under antiphlogistic therapy. Patient was asymptomatic without necessity for pacemaker implantation at 12 months follow-up.
May 2017: Clinical Case Reports
https://www.readbyqxmd.com/read/28431060/catheter-ablation-vs-antiarrhythmic-drug-therapy-in-patients-with-symptomatic-atrioventricular-nodal-re-entrant-tachycardia-a-randomized-controlled-trial
#12
Demosthenes G Katritsis, Theodoros Zografos, George D Katritsis, Eleftherios Giazitzoglou, Vasilios Vachliotis, George Paxinos, A John Camm, Mark E Josephson
Aims: To conduct a randomized trial in order to guide the optimum therapy of symptomatic atrioventricular nodal re-entrant tachycardia (AVNRT). Methods and Results: Patients with at least one symptomatic episode of tachycardia per month and an electrophysiologic diagnosis of AVNRT were randomly assigned to catheter ablation or chronic antiarrhythmic drug (AAD) therapy with bisoprolol (5 mg od) and/or diltiazem (120-300 mg od). All patients were properly educated to treat subsequent tachycardia episodes with autonomic manoeuvres or a 'pill in the pocket' approach...
April 1, 2017: Europace: European Pacing, Arrhythmias, and Cardiac Electrophysiology
https://www.readbyqxmd.com/read/28416984/the-inferior-displacement-of-the-his-bundle-and-fast-pathway-in-a-patient-with-common-type-atrioventricular-nodal-tachycardia-three-dimensional-computed-tomography-analysis
#13
Kunihiko Kiuchi, Koji Fukuzawa, Mori Shumpei, Tatsuya Nishii
A 66-year-old woman with palpitations was referred to our center for catheter ablation due to drug-refractory, common type atrioventricular nodal tachycardia (AVNRT). A selective slow pathway ablation was attempted. A fast junctional rhythm with transient ventriculoatrial block followed by transient prolongation of the A-H interval occurred immediately after the radiofrequency (RF) application at the coronary sinus ostium (CSOS) level. To assess the location of the fast pathway and His bundle, we sought to visualize the anatomy of the triangle of Koch (TOK) by three-dimensional computed tomography (CT)...
April 2017: Journal of Arrhythmia
https://www.readbyqxmd.com/read/28407062/voltage-gradient-mapping-and-electrophysiologically-guided-cryoablation-in-children-with-avnrt
#14
Fabrizio Drago, Irma Battipaglia, Mario Salvatore Russo, Romolo Remoli, Vincenzo Pazzano, Gino Grifoni, Greta Allegretti, Massimo Stefano Silvetti
Aims: Recently, voltage gradient mapping of Koch's triangle to find low-voltage connections, or 'voltage bridges', corresponding to the anatomic position of the slow pathway, has been introduced as a method to ablate atrioventricular nodal reentry tachycardia (AVNRT) in children. Thus, we aimed to assess the effectiveness of voltage mapping of Koch's triangle, combined with the search for the slow potential signal in 'low-voltage bridges', to guide cryoablation of AVNRT in children. Methods and results: From June 2015 to May 2016, 35 consecutive paediatric patients (mean age 12...
April 12, 2017: Europace: European Pacing, Arrhythmias, and Cardiac Electrophysiology
https://www.readbyqxmd.com/read/28374333/how-to-approach-difficult-cases-of-avnrt
#15
REVIEW
Darpan S Kumar, Thomas A Dewland, Seshadri Balaji, Charles A Henrikson
Our approach to the ablation of atrioventricular nodal reciprocating tachycardia (AVNRT), the most common supraventricular tachycardia, is as follows: We first attempt ablation in the right atrial posteroseptum anterior to the coronary sinus ostium with a 4-mm non-irrigated tip catheter. If ablation within the triangle of Koch is unsuccessful with radiofrequency (RF), we switch to cryoablation and target a more superior (mid septal) region. We also utilize cryoablation if RF ablation produces transient VA block (absence of retrograde conduction during junctional rhythm) or a fast junctional rhythm (<350 msec)...
May 2017: Current Treatment Options in Cardiovascular Medicine
https://www.readbyqxmd.com/read/28340121/atrioventricular-nodal-echoes-over-a-wide-echo-window-as-a-therapeutic-end-point-for-the-catheter-guided-radiofrequency-ablation-of-atrioventricular-nodal-reentrant-tachycardia-a-prospective-study
#16
Mohammad Hossein Nikoo, Armin Attar, Mohammad Pourmontaseri, Mohammad Vahid Jorat, Mohammad Kafi
Aims: In previous retrospective studies, it was shown that the presence of residual single atrioventricular node (AVN) echoes with an echo zone longer than 30 ms may increase the rate of recurrence after radiofrequency ablation (RFA) of slow pathway in patients with AVN reentrant tachycardia (AVNRT). Based on that, some centres perform additional RFA in these patients. However, this opinion has never been tested prospectively and many centres do not perform re-ablation in these patients...
March 15, 2017: Europace: European Pacing, Arrhythmias, and Cardiac Electrophysiology
https://www.readbyqxmd.com/read/28329395/long-term-symptom-improvement-and-patient-satisfaction-following-catheter-ablation-of-supraventricular-tachycardia-insights-from-the-german-ablation-registry
#17
Johannes Brachmann, Thorsten Lewalter, Karl-Heinz Kuck, Dietrich Andresen, Stephan Willems, Stefan G Spitzer, Florian Straube, Burghard Schumacher, Lars Eckardt, Dejan Danilovic, Dierk Thomas, Matthias Hochadel, Jochen Senges
Aims: To analyse outcomes of supraventricular tachycardia (SVT) ablations performed within a prospective German Ablation Quality Registry. Methods and results: Data from 12 566 patients who underwent catheter ablation of SVT between January 2007 and January 2010 to treat atrial fibrillation (AFIB, 37.2% of procedures), atrial flutter (AFL, 29.9%), atrioventricular nodal re-entrant tachycardia (AVNRT, 23.2%), atrioventricular re-entrant tachycardia (6.3%), and focal atrial tachycardia (AT, 3...
May 1, 2017: European Heart Journal
https://www.readbyqxmd.com/read/28318819/slow-pathway-radiofrequency-ablation-using-magnetic-navigation-a-description-of-technique-and-retrospective-case-analysis
#18
Abhishek Bhaskaran, Maha Albarri, Neil Ross, Sara Al Raisi, Rahul Samantha, Leonette Roode, Fazlur Nadri, Jeanette Ng, Stuart Thomas, Aravinda Thiagalingam, Pramesh Kovoor
BACKGROUND: The Magnetic Navigation System (MNS) catheter was shown to be stable in the presence of significant cardiac wall motion and delivered more effective lesions compared to manual control. This stability could potentially make AV junctional reentrant tachycardia (AVNRT) ablation safer. The aim of this study is to describe the method of mapping and ablation of AVNRT with MNS and 3-D electro-anatomical mapping system (CARTO, Biosense Webster, Diamond bar, CA, USA) anatomical mapping, with a view to improve the safety of ablation...
February 21, 2017: Heart, Lung & Circulation
https://www.readbyqxmd.com/read/28294644/electrocardiogram-changes-and-atrial-arrhythmias-in-individuals-carrying-sodium-channel-scn5a-d1275n-mutation
#19
Sari U M Vanninen, Kjell Nikus, Katriina Aalto-Setälä
INTRODUCTION: The cardiac sodium channel SCN5A regulates atrioventricular and ventricular depolarization as well as cardiac conduction. Patients with cardiac electrical abnormalities have an increased risk of sudden cardiac death (SCD) and cardio-embolic stroke. Optimal management of cardiac disease includes the understanding of association between the causative mutations and the clinical phenotype. A 12-lead electrocardiogram (ECG) is an easy and inexpensive tool for finding risk patients...
April 17, 2017: Annals of Medicine
https://www.readbyqxmd.com/read/28213508/familial-occurrence-of-atrioventricular-nodal-reentrant-tachycardia
#20
Yoav Michowitz, Adi Anis-Heusler, Eyal Reinstein, Oholi Tovia-Brodie, Aharon Glick, Bernard Belhassen
BACKGROUND: Atrioventricular nodal reentrant tachycardia (AVNRT) is considered a sporadic disease occurring in ≈22.5 cases per 10 000 in the general population. We define the prevalence and characteristics of familial AVNRT among patients who underwent radiofrequency ablation. METHODS AND RESULTS: Ablation reports of all patients with familial AVNRT (at least 2 first-degree family members) who underwent radiofrequency ablation in our institution and in another hospital were reviewed...
February 2017: Circulation. Arrhythmia and Electrophysiology
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