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https://www.readbyqxmd.com/read/29032933/my-approach-to-the-athlete-with-wolff-parkinson-white-syndrome-wpw
#1
Aaron L Baggish, Ankit B Shah
No abstract text is available yet for this article.
October 3, 2017: Trends in Cardiovascular Medicine
https://www.readbyqxmd.com/read/29021860/atriofascicular-mahaim-with-ebstein-anomaly-a-case-report
#2
Kazushi Ueshima, Yoshihide Nakamura, Satoru Takeno, Toshiharu Miyake, Tsukasa Takemura
We report a case of a 7-year-old girl with atriofascicular Mahaim (AFM) pathway concomitant with Ebstein's anomaly. The QRS wave showed left bundle branch block pattern on electrocardiogram. Holter electrocardiogram showed prolongation of the PR interval and QRS morphological change during sinus tachycardia. An electrophysiological study demonstrated that the distal His potential appeared earlier than the proximal His potential, which suggested retrograde His conduction toward the atrioventricular node. Conduction from the Mahaim fiber to the His bundle was faster than that from the atrioventricular node towards the His bundle...
October 2017: Journal of Arrhythmia
https://www.readbyqxmd.com/read/28929532/the-impact-of-left-ventricular-deformation-and-dyssynchrony-on-improvement-of-left-ventricular-ejection-fraction-following-radiofrequency-catheter-ablation-in-wolff-parkinson-white-syndrome-a-comprehensive-study-by-speckle-tracking-echocardiography
#3
Tomoo Nagai, Akira Hamabe, Junko Arakawa, Hirotsugu Tabata, Toshihiko Nishioka
PURPOSE: The purpose of this study was to evaluate left ventricular (LV) deformation and LV dyssynchrony in patients with Wolff-Parkinson-White (WPW) syndrome and to identify the factors that affect the efficacy of radiofrequency catheter ablation (RFCA). METHODS: Thirty patients (26 men, mean age 40 ± 12 years) with WPW syndrome were prospectively recruited for this study. They underwent 2-dimensional transthoracic echocardiography with speckle tracking analysis before RFCA and again within 48 hours after RFCA...
September 19, 2017: Echocardiography
https://www.readbyqxmd.com/read/28919627/ebstein-s-anomaly-associated-with-atrial-septal-defect-and-wolff-parkinson-white-wpw-syndrome
#4
M N Hasan, K Ahmed, S M Ahmed, M M Rahman
Ebstein's anomaly is a rare congenital heart disorder, accounting for <1% of all cases of congenital heart disease. It is a congenital malformation of the heart that is characterized by apical displacement of the septal and posterior tricuspid valve leaflets, leading to atrialization of the right ventricle with a variable degree of malformation and displacement of the anterior leaflet. We report the case of a 25 years old female with Ebstein's anomaly which was associated with Ostium Secundum type of atrial septal defect and WPW syndrome, who presented with dyspnea, palpitations, cyanosis, clubbing and cardiomegaly...
July 2017: Mymensingh Medical Journal: MMJ
https://www.readbyqxmd.com/read/28917552/crispr-correction-of-the-prkag2-gene-mutation-in-a-patient-s-induced-pluripotent-stem-cell-derived-cardiomyocytes-eliminates-electrophysiological-and-structural-abnormalities
#5
Ronen Ben Jehuda, Binyamin Eisen, Yuval Shemer, Lucy N Mekies, Agnes Szantai, Irina Reiter, Huanhuan Cui, Kaomei Guan, Shiraz Haron-Khun, Dov Freimark, Silke R Sperling, Mihaela Gherghiceanu, Michael Arad, Ofer Binah
BACKGROUND: Mutations in the PRKAG2 gene encoding the γ-subunit of adenosine monophosphate kinase (AMPK) cause hypertrophic cardiomyopathy (HCM) and familial Wolff-Parkinson-White (WPW) syndrome. Patients carrying the R302Q mutation in PRKAG2 present with sinus bradycardia, escape rhythms, ventricular preexcitation, supraventricular tachycardia, and atrioventricular block. This mutation affects AMPK activity and increases glycogen storage in cardiomyocytes. The link between glycogen storage, WPW syndrome, HCM, and arrhythmias remains unknown...
September 14, 2017: Heart Rhythm: the Official Journal of the Heart Rhythm Society
https://www.readbyqxmd.com/read/28899346/one-symptom-two-arrhythmias-the-rare-and-the-even-rarer
#6
Florian Zauner, Jan-Thorben Sieweke, Stephan Hohmann, David Duncker, Christian Riehle, L Christian Napp, Ulrike Flierl, Thorben König, Christian Veltmann
BACKGROUND: Wolff-Parkinson-White (WPW) syndrome and idiopathic left ventricular tachycardia (ILVT) are rare and up to now the coexistence of both entities has rarely been reported. In patients with ventricular preexcitation the underlying mechanism of paroxysmal tachycardia most likely is atrioventricular reentrant tachycardia (AVRT). However, without ECG documentation of the tachycardia diagnosis of the underlying mechanism cannot be made due to similar clinical presentation of AVRT and ILVT...
September 12, 2017: BMC Cardiovascular Disorders
https://www.readbyqxmd.com/read/28835839/percutaneous-catheter-ablation-of-epicardial-accessory-pathways
#7
Eduardo Back Sternick, Mariana Faustino, Frederico Soares Correa, Cristiano Pisani, Maurício Ibrahim Scanavacca
Radiofrequency (RF) catheter ablation is the treatment of choice in patients with accessory pathways (APs) and Wolff-Parkinson-White syndrome. Endocardial catheter ablation has limitations, including the inability to map and ablate intramural or subepicardial APs. Some of these difficulties can be overcome using an epicardial approach performed through the epicardial venous system or by percutaneous catheterisation of the pericardial space. When a suspected left inferior or infero-paraseptal AP is refractory to ablation or no early activation is found at the endocardium, a transvenous approach via the coronary sinus is warranted because such epicardial pathways can be in close proximity to the coronary venous system...
June 2017: Arrhythmia & Electrophysiology Review
https://www.readbyqxmd.com/read/28820557/papillary-muscle-rupture-in-an-adolescent-with-no-coronary-lesions
#8
Tatjana Lejko Zupanc, Mateja Logar
A 21-year-old man with Wolff-Parkinson-White syndrome presented to the authors' hospital with ventricular fibrillation. Coronary angiography failed to demonstrate coronary stenosis, but temporary mechanical circulatory support resolved the ventricular fibrillation and the patient was extubated eight days later. On the next day, however, he had to be re-intubated with symptoms of congestive heart failure. Echocardiography revealed new severe mitral regurgitation and a mobile mass, while emergency surgery revealed a posteromedial papillary muscle rupture (PMR)...
March 2017: Journal of Heart Valve Disease
https://www.readbyqxmd.com/read/28765737/local-atrial-ventricular-ratio-as-an-adjuvant-marker-for-catheter-ablation-of-atrioventricular-accessory-pathways
#9
Ki-Hun Kim, Dae-Kyeong Kim, Hyun-Ji Im, Jeong-Sook Seo, Han-Young Jin, Jae-Sik Jang, Tae-Hyun Yang, Dong-Soo Kim, So-Young Jeong, Yun Seok Song, Dong-Kie Kim, Pil-Sang Song, Sang-Hoon Seol, Doo-Il Kim
BACKGROUND AND OBJECTIVES: The earliest atrial (A)/ventricular (V) activation potential, or accessory pathway (AP) potential are commonly used as ablation targets for atrioventricular (AV) APs. However, these targets are sometimes ambiguous. SUBJECTS AND METHODS: We reviewed 119 catheter ablation cases in 112 patients diagnosed with orthodromic atrioventricular reentrant tachycardia (AVRT) or Wolff-Parkinson-White (WPW) syndrome. Local A/V amplitude potentials with the earliest activation or AP potential were measured shortly before achieving antegrade AP conduction block, ventriculoatrial block during right ventricle (RV) pacing, or AVRT termination with no AP conduction...
July 2017: Korean Circulation Journal
https://www.readbyqxmd.com/read/28744873/epicardial-ablation-of-tachyarrhythmia-in-children-experience-at-two-academic-centers
#10
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 nine patients underwent 10 epicardial ablation procedures from 2002 to 2013 at two academic centers. Activation mapping was performed in all cases, and electroanatomic map was utilized in nine of the 10 procedures. Patients had undergone one to three 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/28712476/comparative-assessment-of-the-heart-s-functioning-by-using-the-akabane-test-and-classical-methods-of-instrumental-examination
#11
COMPARATIVE STUDY
Valery Muzhikov, Elena Vershinina, Vadim Belenky, Ruslan Muzhikov
Acupuncture physicians have studied the application of reflexotherapy to cardiology. However, no one has investigated the connection of ancient Chinese diagnostic methods with modern tools. A total of 102 patients (54 men and 48 women) with heart pathology, namely, sick-sinus syndrome, Wolff-Parkinson-White syndrome, and atrioventricular blockade, were studied using the usual instrumental methods (transesophageal electrophysiological study of the heart, echocardiography), after which they underwent Akabane thermopuncture testing as in traditional Chinese medicine...
June 2017: Journal of Acupuncture and Meridian Studies
https://www.readbyqxmd.com/read/28690312/wolff-parkinson-white-syndrome-with-ventricular-hypertrophy-in-a-brazilian-family
#12
Lenises de Paula van der Steld, Oscar Campuzano, Alexandra Pérez-Serra, Mabel Moura de Barros Zamorano, Selma Sousa Matos, Ramon Brugada
BACKGROUND PRKAG2 syndrome diagnosis is already well-defined as Wolff-Parkinson-White syndrome (WPW), ventricular hypertrophy (VH) due to glycogen accumulation, and conduction system disease (CSD). Because of its rarity, there is a lack of literature focused on the treatment. The present study aimed to describe appropriate strategies for the treatment of affected family members with PRKAG2 syndrome with a long follow-up period. CASE REPORT We studied 60 selected individuals from 84 family members (32 males, 53...
July 10, 2017: American Journal of Case Reports
https://www.readbyqxmd.com/read/28666538/the-relevance-of-looking-for-right-bundle-branch-block-in-catheter-ablation-of-ebstein-s-anomaly
#13
Laila Gonzalez-Melchor, Santiago Nava, Pedro Iturralde, Manlio F Marquez
INTRODUCTION: Ebstein's anomaly is the most commonly occurring congenital defect associated with the Wolff-Parkinson-White syndrome. In patients with Ebstein's anomaly and supraventricular tachycardia, the absence of right bundle branch block (RBBB) in sinus rhythm is a highly sensitive and specific indicator of the presence of an ipsilateral accessory AP. CASE: We present an electrophysiology case of a patient with Ebstein's anomaly and 3 ipsilateral accessory pathways...
June 17, 2017: Journal of Electrocardiology
https://www.readbyqxmd.com/read/28612907/safety-and-efficacy-of-cryoablation-without-the-use-of-fluoroscopy
#14
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/28605443/radiofrequency-ablation-of-accessory-pathways-in-patients-with-the-wolff-parkinson-white-syndrome-long-term-risk-of-mortality-and-coronary-events
#15
Wanwarang Wongcharoen, Yenn-Jiang Lin, Fa-Po Chung, Yun-Yu Chen, Tze-Fan Chao, Pei-Chun Chen, Kuo-Liong Chien, Shih-Ann Chen
Aims: The long-term outcomes of radiofrequency catheter ablation (RFCA) in patients with Wolff-Parkinson-White syndrome (WPW) remain unclear. We investigated the impact of RFCA on the long-term risk of coronary events and mortality in WPW patients. Methods and results: We conducted a prospective cohort study utilizing the Taiwan National Health Insurance Research Database. Between 2000 and 2003, WPW patients with no prior coronary artery disease (CAD) history, aged over 18 years, who underwent RFCA were identified...
June 10, 2017: Europace: European Pacing, Arrhythmias, and Cardiac Electrophysiology
https://www.readbyqxmd.com/read/28579124/sinus-tachycardia-with-variable-qrs-morphology
#16
Darrin M Breaux, D Luke Glancy
Wolff-Parkinson-White-type ventricular preexcitation was recognized for the first time in a 67-year-old man four days after aortic valve replacement. The preexcitation was intermittent.
August 1, 2017: American Journal of Cardiology
https://www.readbyqxmd.com/read/28543607/successful-ablation-of-a-right-atrium-axillary-ventricular-accessory-pathway-associated-with-wolff-parkinson-white-syndrome
#17
Yuan Yuan, Deyong Long, Jianzeng Dong, Ling Tao, Changsheng Ma
We report a case of a patient with right axillary ventricular. Similar congenital anomaly of the right atrium was reported as "right appendage diverticulum or right atrial diverticulum". However, this independent chamber has its own annulus, synchronizes with the right ventricular, and generates large ventricular potential. Under the guidance of CARTO mapping system, a right atrioventricular accessory pathway associated with Type B Wolff-Parkinson-White syndrome was ablated successfully. This pathway was close to the annulus of the axillary ventricular...
May 24, 2017: Pacing and Clinical Electrophysiology: PACE
https://www.readbyqxmd.com/read/28510647/epicardial-cardioverter-defibrillator-implantation-in-a-4-month-old-infant-bridged-to-heart-transplantation
#18
Cristina Carro, Alberto Francesco Cereda, Giuseppe Annoni, Stefano Maria Marianeschi
Implantable cardioverter-defibrillator (ICD) is the gold standard therapy for the prevention of sudden cardiac death. Nevertheless, ICD placement in the paediatric population is still limited because of several technical difficulties. Several implantation techniques have been proposed but experience in infants with very low weight and less than 6 months is very limited. We herein describe a case of a minimally invasive ICD epicardial implantation in a 4-month-old infant weighing 5 kg. A diagnosis of arrhythmic cardiomyopathy with left ventricular non-compaction disease with ventricular tachycardia storms, QT prolongation and Wolff-Parkinson-White pattern was made...
May 16, 2017: Interactive Cardiovascular and Thoracic Surgery
https://www.readbyqxmd.com/read/28491758/atrial-fibrillation-associated-with-wolff-parkinson-white-syndrome-in-a-patient-with-concomitant-brugada-syndrome
#19
Shaobo Shi, Tao Liu, Hector Barajas-Martinez, Ryan Pfeiffer, Hong Jiang, Congxin Huang, Dan Hu
No abstract text is available yet for this article.
January 2017: HeartRhythm Case Reports
https://www.readbyqxmd.com/read/28491747/flecainide-induced-incessant-orthodromic-atrioventricular-reentrant-tachycardia-in-wolff-parkinson-white-syndrome-uneven-depression-of-accessory-pathway-conduction
#20
Oscar A Pellizzón, Manlio F Márquez, Mario D González, Sebastián Nannini, Rodolfo Leiva, Antonia Catalano, Pedro Iturralde
No abstract text is available yet for this article.
November 2016: HeartRhythm Case Reports
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