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https://www.readbyqxmd.com/read/28716699/bridge-to-success-a-better-method-of-cryoablation-for-atrioventricular-nodal-reentrant-tachycardia-in-children
#1
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/28715153/automated-analysis-of-fetal-cardiac-function-using-color-tissue-doppler-imaging
#2
L Herling, J Johnson, K Ferm-Widlund, F Bergholm, P Lindgren, S-E Sonesson, G Acharya, M Westgren
OBJECTIVES: Our main objective was to evaluate the feasibility of an automated analysis of fetal myocardial velocity recordings obtained by color tissue Doppler imaging (cTDI). METHODS: This was a prospective cross-sectional observational study of 107 singleton pregnancies in ≥41 weeks of gestation. Myocardial velocity recordings were obtained by cTDI in a long-axis four-chamber view of the fetal heart. Regions of interest (ROI) were placed in the septum, right (RV) and left ventricular (LV) walls at the level of the atrioventricular plane (AV-plane)...
July 17, 2017: Ultrasound in Obstetrics & Gynecology
https://www.readbyqxmd.com/read/28712585/conduction-disturbance-after-isolated-surgical-aortic-valve-replacement-in-degenerative-aortic-stenosis
#3
You Mi Hwang, Jun Kim, Ji Hyun Lee, Minsu Kim, Jongmin Hwang, Joon Bum Kim, Sung-Ho Jung, Suk Jung Choo, Gi Byoung Nam, Kee Joon Choi, Cheol Hyun Chung, Jae Won Lee, You Ho Kim
OBJECTIVE: Conduction disturbances are common in patients with aortic stenosis. We investigated the incidence, reversibility, and prognosis of conduction disorders requiring permanent pacemaker implantation in patients with degenerative aortic stenosis after isolated aortic valve replacement. METHODS: This was a retrospective study conducted at a tertiary care center. We evaluated the incidence of conduction disturbances in patients who underwent isolated surgical aortic valve replacement for aortic stenosis between January 2005 and May 2015...
June 15, 2017: Journal of Thoracic and Cardiovascular Surgery
https://www.readbyqxmd.com/read/28712558/catheter-ablation-of-accessory-pathway-14-year-trends-in-utilization-and-complications-in-adults-in-the-united-states
#4
Jalaj Garg, Neeraj Shah, Parasuram Krishnamoorthy, Kathan Mehta, Babak Bozorgnia, Noel G Boyle, Ronald Freudenberger, Andrea Natale
BACKGROUND: The aim of this study was to determine the temporal trends in utilization of catheter ablation of accessory pathways in the United States. METHODS: All patients from the Nationwide Inpatient Sample (NIS) ≥18years of age with a primary diagnosis of anomalous atrioventricular excitation syndrome (International Classification of Diseases, Ninth Edition, Clinical Modification [ICD-9-CM] code 426.7) were included in the study. Patients who underwent catheter ablation were identified using ICD-9-CM procedure code 37...
June 30, 2017: International Journal of Cardiology
https://www.readbyqxmd.com/read/28712476/comparative-assessment-of-the-heart-s-functioning-by-using-the-akabane-test-and-classical-methods-of-instrumental-examination
#5
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/28711966/modified-single-patch-technique-versus-two-patch-technique-for-the-repair-of-complete-atrioventricular-septal-defect-a-meta-analysis
#6
Dongxu Li, Qiang Fan, Tomoyuki Iwase, Yasutaka Hirata, Qi An
Technical selection for surgical repair of complete atrioventricular septal defect (CAVSD) still remains controversial. This meta-analysis aimed to compare the modified single-patch (MP) technique with the two-patch (TP) technique for patients with CAVSD. Relevant studies comparing the MP technique with the TP technique were identified through a literature search using MEDLINE, EMBASE, Google Scholar, Cochrane Library, and the China National Knowledge Infrastructure databases. The variables were ventricular septal defect (VSD) size, cardiopulmonary bypass (CBP) time, aortic cross-clamp (ACC) time, intensive care unit stay, hospital stay, and other outcomes involving mortality, left ventricular outflow tract obstruction, atrioventricular valve regurgitation, residual septal shunt, atrioventricular block, and reoperation...
July 15, 2017: Pediatric Cardiology
https://www.readbyqxmd.com/read/28711964/utility-of-echocardiography-in-detecting-silent-complications-after-pediatric-catheter-ablations
#7
Shahnawaz M Amdani, Salaam Sallaam, Peter P Karpawich, Sanjeev Aggarwal
Although transcatheter arrhythmia ablation (TCA) has been performed in children for over two decades, guidelines for routine use of post-ablation transthoracic echocardiography (TTE) are absent. We sought to determine the efficacy of TTE after apparently uneventful TCA procedures in detecting adverse findings and identify predisposing factors. A retrospective review of clinical and procedural data on patients who underwent TCA for supraventricular arrhythmias from 2000 to 2015 was performed. Pre- and post-ablation TTE data were reviewed...
July 15, 2017: Pediatric Cardiology
https://www.readbyqxmd.com/read/28710299/takotsubo-cardiomyopathy-related-complete-heart-block-and-torsades-de-pointes
#8
Faisal Inayat, Hafeez Ul Hassan Virk, Waqas Ullah, Iqra Riaz
Takotsubo cardiomyopathy (TCM) is a relatively recently recognised clinical entity. It frequently mimics acute coronary syndrome and is accompanied by reversible left ventricular apical ballooning in the absence of angiographically significant coronary artery stenosis. TCM is a reversible condition, and the prognosis is usually well. However, in rare instances, it can be associated with life-threatening arrhythmic complications. Herein, we report the case of a patient with TCM who developed complete atrioventricular block followed by QT prolongation and torsades de pointes...
July 14, 2017: BMJ Case Reports
https://www.readbyqxmd.com/read/28709918/unroofed-coronary-sinus-syndrome-an-easily-corrected-congenital-anomaly-but-more-diagnostic-suspicions-are-needed
#9
Changcheng Chen, Lili Xu, Yi Xu, Ping Li, Shuo Liu, Bin You
BACKGROUND: Unroofed coronary sinus syndrome (URCSS) is a spectrum of cardiac anomalies in which part (partial type) or the entire common wall (complete type) between the coronary sinus (CS) and left atrium is absent. It is commonly associated with a persistent left superior vena cava (PLSVC). The PLSVC can even anomalously connect to the left atrium in complete type anomaly. URCSS has been reported to be associated with delayed diagnosis and life-threatening cerebral injury. The purpose of the present study was to review our experience with surgical correction of this often-concealed malformation and discuss methods for reducing diagnostic omission...
June 22, 2017: Heart, Lung & Circulation
https://www.readbyqxmd.com/read/28709664/current-results-of-single-ventricle-palliation-of-patients-with-double-inlet-left-ventricle
#10
Bahaaldin Alsoufi, Courtney McCracken, Kirk Kanter, Subhadra Shashidharan, Brian Kogon
BACKGROUND: Double inlet left ventricle (DILV) is a heterogeneous single ventricle anomaly in which initial presentation, and consequently, timing and palliation mode vary based on morphology and degree of pulmonary or systemic outflow obstruction. Very few reports, mostly old, focused on palliation outcomes of DILV. We report current-era results and examine whether morphologic and subsequently surgical factors influence survival. METHODS: Fifty-eight infants with DILV underwent single ventricle palliation...
July 11, 2017: Annals of Thoracic Surgery
https://www.readbyqxmd.com/read/28708660/a-novel-predictor-of-adverse-outcomes-after-st-elevation-myocardial-infarction-deterioration-of-atrioventricular-conduction
#11
Gilad Margolis, Shafik Khoury
No abstract text is available yet for this article.
July 13, 2017: Coronary Artery Disease
https://www.readbyqxmd.com/read/28708290/rationale-and-design-of-the-adaptresponse-trial-a-prospective-randomized-study-of-cardiac-resynchronization-therapy-with-preferential-adaptive-left-ventricular-only-pacing
#12
Gerasimos Filippatos, David Birnie, Michael R Gold, Bart Gerritse, Ahmad Hersi, Sandra Jacobs, Kengo Kusano, Christophe Leclercq, Wilfried Mullens, Bruce L Wilkoff
The AdaptResponse trial is designed to test the hypothesis that preferential adaptive left ventricular-only pacing with the AdaptivCRT(®) algorithm reduces the incidence of the combined endpoint of all-cause mortality and intervention for heart failure (HF) decompensation, compared with conventional cardiac resynchronization therapy (CRT), among patients with a CRT indication, left bundle branch block (LBBB) and normal atrioventricular (AV) conduction. The AdaptResponse study is a prospective, randomized, controlled, single-blinded, multicentre, clinical trial (ClinicalTrials...
July 2017: European Journal of Heart Failure
https://www.readbyqxmd.com/read/28707408/complete-heart-block-following-transcatheter-closure-of-perimembranous-vsd-using-amplatzer-duct-occluder-ii
#13
Sanjiban Ghosh, Anuradha Sridhar, Muthukumaran Sivaprakasam
Long term follow up studies have shown that transcatheter closure of perimembranous Ventricular Septal Defect (PmVSD) can be done safely and successfully. One of the most serious complications of VSD device closure is complete atrioventricular block which has been reported in 3-18% is various studies following VSD device closure. Amplatzar Duct Occluder II (ADO-II) device is now commonly being used for closure of small to moderate sized PmVSD. Complete heart block has not been reported with ADO-II device. We are reporting 2 cases of complete heart block following transcatheter closure of PmVSD using ADO-II device where sinus rhythm was established following early surgical removal of the device...
July 14, 2017: Catheterization and Cardiovascular Interventions
https://www.readbyqxmd.com/read/28705792/deletion-of-fstl1-follistatin-like-1-from-the-endocardial-endothelial-lineage-causes-mitral-valve-disease
#14
Stuti Prakash, Luis J J Borreguero, Marc Sylva, Lorena Flores Ruiz, Fereshte Rezai, Quinn D Gunst, José-Luis de la Pompa, Jan M Ruijter, Maurice J B van den Hoff
OBJECTIVE: Fstl1 (Follistatin-like 1) is a secreted protein that is expressed in the atrioventricular valves throughout embryonic development, postnatal maturation, and adulthood. In this study, we investigated the loss of Fstl1 in the endocardium/endothelium and their derived cells. APPROACH AND RESULTS: We conditionally ablated Fstl1 from the endocardial lineage using a transgenic Tie2-Cre mouse model. These mice showed a sustained Bmp and Tgfβ signaling after birth...
July 13, 2017: Arteriosclerosis, Thrombosis, and Vascular Biology
https://www.readbyqxmd.com/read/28705664/complete-atrioventricular-canal-defect-towards-a-more-physiological-repair
#15
A Boutayeb
We describe a more physiological technique of complete atrioventricular septal defect repair which restores normal heart anatomy with the offset between the insertions of the mitral and tricuspid valves. This technique overcomes the drawbacks of the previous approaches, and may improve surgical outcomes, particularly in small infants with high ventricular septal defect component or dextroposed aorta.
June 15, 2017: Heart, Lung & Circulation
https://www.readbyqxmd.com/read/28705318/progressive-atrial-conduction-defects-associated-with-bone-malformation-caused-by-a-connexin-45-mutation
#16
Akiko Seki, Taisuke Ishikawa, Xavier Daumy, Hiroyuki Mishima, Julien Barc, Ryo Sasaki, Kiyomasa Nishii, Kayoko Saito, Mari Urano, Seiko Ohno, Saki Otsuki, Hiroki Kimoto, Alban-Elouen Baruteau, Aurelie Thollet, Swanny Fouchard, Stéphanie Bonnaud, Philippe Parent, Yosaburo Shibata, Jean-Philippe Perrin, Hervé Le Marec, Nobuhisa Hagiwara, Sandra Mercier, Minoru Horie, Vincent Probst, Koh-Ichiro Yoshiura, Richard Redon, Jean-Jacques Schott, Naomasa Makita
BACKGROUND: Inherited cardiac conduction disease is a rare bradyarrhythmia associated with mutations in various genes that affect action potential propagation. It is often characterized by isolated conduction disturbance of the His-Purkinje system, but it is rarely described as a syndromic form. OBJECTIVES: The authors sought to identify the genetic defect in families with a novel bradyarrhythmia syndrome associated with bone malformation. METHODS: The authors genetically screened 15 European cases with genotype-negative de novo atrioventricular (AV) block and their parents by trio whole-exome sequencing, plus 31 Japanese cases with genotype-negative familial AV block or sick sinus syndrome by targeted exon sequencing of 457 susceptibility genes...
July 18, 2017: Journal of the American College of Cardiology
https://www.readbyqxmd.com/read/28705106/characteristic-features-of-patients-with-multiple-accessory-pathways
#17
Michal Orczykowski, Pawel Derejko, Piotr Urbanek, Robert Bodalski, Joanna Zakrzewska-Koperska, Maria Bilińska, Lukasz Szumowski
Objective Only limited clinical and electrophysiological data concerning patients (pts) with multiple accessory pathways (MAP) in comparison to large control groups are available. The aim of our study was to analyse these data from the largest cohort of patients with multiple accessory pathways and a large control group. Method and results We analysed data from pts with MAP (group 1) and pts with a single accessory pathway (AP) (group 2) referred for radiofrequency catheter ablation (RFCA) at our tertiary centre...
July 14, 2017: Acta Cardiologica
https://www.readbyqxmd.com/read/28699977/pacemaker-implants-in-children-and-adolescents-with-chagas-disease-in-brazil-18-year-incidence
#18
Carolina Christianini Mizzaci, Thiago Gonçalves Schroder E Souza, Gabriel Pelegrineti Targueta, Ana Paula Frederico Tótora, Juan Carlos Pachón Mateos, José Carlos Pachon Mateos
Background: Chagas disease continues to be a serious public health problem, and accounts for 25-30% of the indications for cardiac stimulation in Brazil. Objective: To assess clinical and epidemiological characteristics of patients with Chagas disease, younger than 18 years, who had undergone pacemaker implantation in Brazil between 1994 and 2011, and its temporal trend. Methods: This was a cross-sectional analysis of data from the Brazilian Pacemaker Registry database...
June 2017: Arquivos Brasileiros de Cardiologia
https://www.readbyqxmd.com/read/28696883/decision-making-in-unbalanced-atrioventricular-septal-defect-examining-another-piece-of-the-puzzle
#19
David M Overman
No abstract text is available yet for this article.
July 2017: World Journal for Pediatric & Congenital Heart Surgery
https://www.readbyqxmd.com/read/28696879/outcomes-of-patients-undergoing-primary-fontan-operation-beyond-first-decade-of-life
#20
Sachin Talwar, Sukhjeet Singh, Vishnubhatla Sreenivas, Kulwant Singh Kapoor, Saurabh Kumar Gupta, Sivasubramanian Ramakrishnan, Shyam Sunder Kothari, Anita Saxena, Rajnish Juneja, Shiv Kumar Choudhary, Balram Airan
OBJECTIVES: Studies on older patients undergoing primary Fontan operation (FO) are limited, with conflicting results. We review our experience with these patients beyond the first decade of life. PATIENTS AND METHODS: Between January 2000 and December 2014, a total of 105 patients ≥10 years of age (mean 15.6 ± 4.9, range 10-31, median 15 years) underwent primary FO without a prior bidirectional superior cavopulmonary anastomosis (Bidirectional Glenn [BDG]). Mean preoperative New York Heart Association (NYHA) class was 2...
July 2017: World Journal for Pediatric & Congenital Heart Surgery
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