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https://www.readbyqxmd.com/read/27616614/anatomopathological-changes-of-the-cardiac-conduction-system-in-sudden-cardiac-death-particularly-in-infants-advances-over-the-last-25-years
#1
REVIEW
Giulia Ottaviani, L Maximilian Buja
Sudden cardiac death (SCD) is defined as the unexpected death without an obvious noncardiac cause that occurs within 1 h of witnessed symptom onset (established SCD) or within 24 h of unwitnessed symptom onset (probable SCD). In the United States, its incidence is 69/100,000 per year. Dysfunctions of the cardiac conduction and autonomic nervous systems are known to contribute to SCD pathogenesis, even if most clinicians and cardiovascular pathologists lack experience with detailed examination of the cardiac conduction system and fail to recognize lesions that are crucial to explain the SCD itself...
November 2016: Cardiovascular Pathology: the Official Journal of the Society for Cardiovascular Pathology
https://www.readbyqxmd.com/read/27439929/successful-ablation-of-coexistent-mahaim-tachycardia-and-right-posterior-accessory-pathway-in-a-patient-with-ebstein-s-anomaly
#2
Enes Elvin Gül, Celal Akdeniz, Volkan Tuzcu
The atriofascicular accessory pathway (AP), known as the Mahaim pathway, is a rare form of pre-excitation, comprising less than 3% of all APs. Mahaim AP is characterized by decremental, anterograde-only conduction, and antidromic tachycardia with left bundle branch morphology. Prevalence of Mahaim AP in Ebstein's anomaly is significantly high. In addition, combination of Wolff-Parkinson-White (WPW) syndrome and Mahaim AP in patients with Ebstein's anomaly has been reported. Presently described is the coexistence of Mahaim AP and manifest WPW syndrome in a patient with Ebstein's anomaly, who was successfully ablated without fluoroscopy...
July 2016: Türk Kardiyoloji Derneği Arşivi: Türk Kardiyoloji Derneğinin Yayın Organıdır
https://www.readbyqxmd.com/read/27225166/-congenital-heart-defects-in-adulthood-supraventricular-tachycardia
#3
J Hebe
Supraventricular tachycardia (SVT) based on congenital substrates, such as accessory pathways or dual atrioventricular nodal properties, occur with an increased probability linked to specific congenital heart defects (CHDs). In the literature, the association of Ebstein's anomaly with accessory pathways and with Mahaim fibers is most prominent. Compared with patients with otherwise normal hearts, the clinical relevance of SVT is typically more severe and therefore antiarrhythmia treatment is a necessity in many cases...
June 2016: Herzschrittmachertherapie & Elektrophysiologie
https://www.readbyqxmd.com/read/26559920/pacemakers-implantation-and-radiofrequency-catheter-ablation-procedures-during-medical-missions-in-morocco-an-8-year-experience
#4
Sok-Sithikun Bun, Decebal Gabriel Latcu, Abdelkarim Errahmouni, Naïma Zarqane, Khelil Yaïci, Abdelhamid Moustaghfir, Amale Tazi-Mezalek, Nadir Saoudi
AIMS: Radiofrequency catheter ablation (RFCA) for arrhythmias in the context of short-term medical missions (MM) in a developing country has not been reported so far. We describe here our experience with RFCA and pacemaker implantation in Morocco with a fully portable electrophysiological (EP) system under the auspice of the Monaco-Morocco Cardiology Association. METHODS AND RESULTS: Since November 2007, two to three MM (mean duration 4 days including transportation) per year were conducted (including two physicians and one nurse from Monaco) and were alternately located in Marrakech, Fes, Agadir, Casablanca, Rabat, Essaouira, and Oujda...
July 2016: Europace: European Pacing, Arrhythmias, and Cardiac Electrophysiology
https://www.readbyqxmd.com/read/25546471/electroanatomic-mapping-guided-cryoablation-of-mahaim-pathways-in-children-with-limited-fluoroscopy-exposure
#5
Erkut Ozturk, Yakup Ergul, I Cansaran Tanidir, Celal Akdeniz, H Tahsin Tola, Volkan Tuzcu
BACKGROUND: The presence of Mahaim accessory pathways (MAP) with anterograde decremental conduction is a disorder that leads to antidromic atrioventricular reentrant tachycardia. There are rare reports of cryoablation use in MAP. This study aims at sharing our experience with using cryoablation to treat MAP in children. METHODS: Electrophysiology study and catheter ablation were performed in 14 patients diagnosed with Mahaim tachycardia between January 2010 and December 2013...
March 2015: Pacing and Clinical Electrophysiology: PACE
https://www.readbyqxmd.com/read/25349224/slow-automaticity-of-a-mahaim-fibre-after-radiofrequency-ablation
#6
Nikola Pavlović, Michael Kühne, Christian Sticherling
No abstract text is available yet for this article.
December 2014: Europace: European Pacing, Arrhythmias, and Cardiac Electrophysiology
https://www.readbyqxmd.com/read/25233505/successful-elimination-of-a-mahaim-pathway-using-an-8-mm-tip-cryoablation-catheter-in-a-child
#7
Neslihan Kiplapinar, Celal Akdeniz, Yakup Ergül, Volkan Tuzcu
No abstract text is available yet for this article.
September 2014: Anadolu Kardiyoloji Dergisi: AKD, the Anatolian Journal of Cardiology
https://www.readbyqxmd.com/read/25057225/parasystole-in-a-mahaim-accessory-pathway
#8
Chandramohan Ramasamy, Senthil Kumar, Raja J Selvaraj
Automaticity has been described in Mahaim pathways, both spontaneously and during radiofrequency ablation. We describe an unusual case of automatic rhythm from a Mahaim pathway presenting as parasystole. The parasystolic beats were also found to initiate tachycardia, resulting in initial presentation with incessant tachycardia and tachycardia induced cardiomyopathy.
July 2014: Indian Pacing and Electrophysiology Journal
https://www.readbyqxmd.com/read/25057223/parasystole-in-a-mahaim-accessory-pathway
#9
Roopa Tekkatte, Ahmed Hamoud, Claire Warren, James Barry
Hypertrophic cardiomyopathy's (HCM) association with sudden cardiac death is well recognised. The risk of sudden cardiac death is known to increase when there is a history of unexplained syncope, abnormal blood pressure response during exercise, severe left ventricular hypertrophy or a family history of unexplained death. Implantable Cardioverter Defibrillator (ICD) implantation has been widely used for primary and secondary prevention of sudden cardiac death (SCD) in people with HCM. Subcutaneous ICD (S-ICD) therapy has been developed to overcome some of the problems associated with the transvenous leads used in conventional ICDs...
July 2014: Indian Pacing and Electrophysiology Journal
https://www.readbyqxmd.com/read/24273563/radiofrequency-ablation-without-the-use-of-fluoroscopy-in-what-kind-of-patients-is-it-feasible
#10
Edward Koźluk, Marcin Gawrysiak, Agnieszka Piątkowska, Piotr Lodziński, Marek Kiliszek, Sylwia Małkowska, Rajmund Zaczek, Radosław Piątkowski, Grzegorz Opolski, Dariusz Kozłowski
INTRODUCTION: The aim of the study was to describe the experience in performing ablation without fluoroscopy. MATERIAL AND METHODS: From 575 ablation procedures with CARTO performed in the period 2003-2008, 108 (42 M; age 40 ±16 years) were done without fluoroscopy. One patient had ablation using the Localisa system. There was one man with thrombocytopenia and two pregnant women. RESULTS: Right ventricular (RV) outflow tract arrhythmias and other RV arrhythmias were noted in 38 patients (35%) and 17 patients (15%), respectively...
October 31, 2013: Archives of Medical Science: AMS
https://www.readbyqxmd.com/read/23264257/-wide-spectrum-of-arrhythmias-with-inductions-and-terminations-of-atrio-ventricular-replica-nodal-tachycardia-by-automaticity-during-successful-radiofrequency-ablation-of-long-anterogradely-slow-conducting-atrio-fasciculo-ventricular-accessory-pathway
#11
Robert Bodalski, Lukasz Szumowski, Franciszek Walczak
Mahaim syndrome is still a challenge. The specific characteristics of the pathway, the fact that it seldom occurs, and ambiguities about the pathophysiology and nomenclature make it, for electrophysiologists, still difficult to ablate. We present a case of a patient with anterogradely slow conducting accessory pathway, which has been effectively ablated although M potential was not observed nor was a mechanical conducting block of the accessory pathway. The accessory pathway showed a wide spectrum of electrophysiological characteristics of the "AV node physiology" including inductions and terminations of atrio-ventricular replica-nodal tachycardia by local automaticity, not only during electrophysiological study, but during successful application...
2012: Kardiologia Polska
https://www.readbyqxmd.com/read/22806715/successful-cryoablation-of-mahaim-tachycardia-in-a-child-with-ebstein-s-anomaly
#12
Yakup Ergul, Celal Akdeniz, Neslihan Kiplapinar, Volkan Tuzcu
Mahaim fibers with decremental atrioventricular (AV) node-like conduction properties comprise less than 3 % of accessory pathways. Radiofrequency ablation of right atriofascicular pathways guided by a distinct Mahaim potential detected at the anterolateral to posterolateral tricuspid annulus or in the right ventricular free wall is a safe and highly effective treatment method. The case report presents a 16-year-old boy with Ebstein's anomaly and symptomatic wide complex tachyarrhythmia. The electrophysiologic study and the entire ablation procedure were performed using a three-dimensional mapping system (EnSite Velocity; St...
2013: Pediatric Cardiology
https://www.readbyqxmd.com/read/22498860/-a-rare-coexistence-atrioventricular-nodal-reentry-tachycardia-and-mahaim-accessory-pathway-mediated-atrioventricular-tachycardia
#13
Taner Sen, Umit Güray, Serkan Topaloğlu, Dursun Aras
No abstract text is available yet for this article.
June 2012: Anadolu Kardiyoloji Dergisi: AKD, the Anatolian Journal of Cardiology
https://www.readbyqxmd.com/read/22338671/postablation-acquired-short-atrioventricular-mahaim-type-fibers-observations-on-their-clinical-electrocardiographic-and-electrophysiologic-profile
#14
COMPARATIVE STUDY
Eduardo Back Sternick, Frederico Soares Correa, Silvia Rego, Daniela Moreira Santos, Fernando Damascena, Ricardo Scarpelli, Luiz Márcio Gerken, Hein J J Wellens
BACKGROUND: The electrophysiologic characteristics of decrementally conducting accessory pathways (APs) are well described; however, little is known about decrementally conducting APs caused by the radiofrequency ablation of a rapidly conducting AP. OBJECTIVE: To report the clinical, electrocardiographic, and electrophysiologic characteristics of 6 patients who developed a decremental AP after an attempt at ablation. METHODS: We compared the clinical and electrophysiologic characteristics of 295 consecutive patients with the Wolff-Parkinson-White syndrome who underwent radiofrequency ablation of 311 manifest APs (group A) with those of 6 patients with the Wolff-Parkinson-White syndrome in whom a decrementally conducting AP was detected after an attempt at ablation...
June 2012: Heart Rhythm: the Official Journal of the Heart Rhythm Society
https://www.readbyqxmd.com/read/22169427/-successful-ablation-on-a-patient-with-left-mahaim-fiber-mediated-atrioventricular-reentrant-tachycardia
#15
Jin Xu, Ying-min Chen, Ben He
No abstract text is available yet for this article.
August 2011: Zhonghua Xin Xue Guan Bing za Zhi
https://www.readbyqxmd.com/read/21715150/an-unusual-preinduction-arrhythmia-resulting-from-the-presence-of-a-mahaim-fiber
#16
Iris A Zweifler, Andrew D Rosenberg, Larry Chinitz
A potentially life-threatening arrhythmia appeared on the preinduction electrocardiogram of an asymptomatic young woman prior to spine surgery. The patient was evaluated by electrophysiology and had a rare accessory pathway, a Mahaim Fiber.
September 2011: Journal of Clinical Anesthesia
https://www.readbyqxmd.com/read/21468364/unusual-source-of-tachycardia-in-an-adolescent
#17
Marvin B Mata, Brian T Kloss, Jennifer A Campoli, Karen Teelin
Mahaim fiber tachycardia is an uncommon cause of palpitations among the pediatric population. This case report describes an adolescent female who presented with recurrent episodes of tachycardia with chest pain and dizziness. Her ECG showed tachycardia with wide QRS complexes and left bundle branch block pattern. Repeat ECG after adenosine treatment revealed sinus rhythm with persistence of the left bundle branch block pattern. Metoprolol was started however she continued to have episodes of sustained tachycardia...
2011: International Journal of Emergency Medicine
https://www.readbyqxmd.com/read/21185075/brief-report-the-identity-style-inventory-isi-3-and-the-utrecht-management-of-identity-commitments-scale-u-mics-factor-structure-reliability-and-convergent-validity-in-french-speaking-university-students
#18
Grégoire Zimmermann, Elodie Biermann Mahaim, Gregory Mantzouranis, Philippe A Genoud, Elisabetta Crocetti
The purpose of this study was to evaluate the factor structure and the reliability of the French versions of the Identity Style Inventory (ISI-3) and the Utrecht-Management of Identity Commitments Scale (U-MICS) in a sample of college students (N = 457, 18-25 years old). Confirmatory factor analyses confirmed the hypothesized three-factor solution of the ISI-3 identity styles (i.e. informational, normative, and diffuse-avoidant styles), the one-factor solution of the ISI-3 identity commitment, and the three-factor structure of the U-MICS (i...
April 2012: Journal of Adolescence
https://www.readbyqxmd.com/read/20296406/-not-available
#19
I MAHAIM, G GANDER
No abstract text is available yet for this article.
April 1947: Helvetica Medica Acta
https://www.readbyqxmd.com/read/20272001/-not-available
#20
I MAHAIM
No abstract text is available yet for this article.
1947: Cardiologia
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