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Ventricular Fibrilation

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https://www.readbyqxmd.com/read/29776964/arrhythmias-in-adult-patients-with-congenital-heart-disease-and-pulmonary-arterial-hypertension
#1
Maria Drakopoulou, Heba Nashat, Aleksander Kempny, Rafael Alonso-Gonzalez, Lorna Swan, Stephen J Wort, Laura C Price, Colm McCabe, Tom Wong, Michael A Gatzoulis, Sabine Ernst, Konstantinos Dimopoulos
OBJECTIVES: Approximately 5%-10% of adults with congenital heart disease (CHD) develop pulmonary arterial hypertension (PAH), which affects life expectancy and quality of life. Arrhythmias are common among these patients, but their incidence and impact on outcome remains uncertain. METHODS: All adult patients with PAH associated with CHD (PAH-CHD) seen in a tertiary centre between 2007 and 2015 were followed for new-onset atrial or ventricular arrhythmia. Clinical variables associated with arrhythmia and their relation to mortality were assessed using Cox analysis...
May 18, 2018: Heart: Official Journal of the British Cardiac Society
https://www.readbyqxmd.com/read/29773835/levosimendan-in-patients-with-left-ventricular-dysfunction-undergoing-cardiac-surgery-a-meta-analysis-and-trial-sequential-analysis-of-randomized-trials
#2
Zhenhua Xing, Liang Tang, Pengfei Chen, Jiabing Huang, Xiaofan Peng, Xinqun Hu
Patients with left ventricular dysfunction (LVD) undergoing cardiac surgery have a high mortality rate. Levosimendan, a calcium sensitizer, improves myocardial contractility without increasing myocardial oxygen demand. It is not clear whether levosimendan can reduce mortality in cardiac surgery patients with LVD. The PubMed, Embase, and Cochrane Central databases were searched to identify randomized trials comparing levosimendan with conventional treatment in cardiac surgery patients with LVD. We derived pooled risk ratios (RRs) with random effects models...
May 17, 2018: Scientific Reports
https://www.readbyqxmd.com/read/29773211/treating-obstructive-sleep-apnea-with-continuous-positive-airway-pressure-reduces-risk-of-recurrent-atrial-fibrillation-after-catheter-ablation-a-meta-analysis
#3
REVIEW
Feilong Deng, Ali Raza, Jun Guo
INTRODUCTION: Recent studies have suggested that there is a strong relationship between obstructive sleep apnea (OSA) and atrial fibrillation (AF). However, they have not identified whether treating OSA with continuous positive airway pressure (CPAP) might reduce rates of recurrent AF. OBJECTIVE: To investigate the recurrent risk of AF after catheter ablation among patients with OSA who did receive or did nor receive CPAP therapy. METHODS: A systematic review of PubMed, Embase, Medline, Cochrane library, China National Knowledge Infrastructure (CNKI) and Wan-fang databases was conducted to obtain relevant cohort studies and randomized controlled trials (RCTs)...
June 2018: Sleep Medicine
https://www.readbyqxmd.com/read/29768386/are-left-ventricular-ejection-fraction-and-left-atrial-diameter-related-to-atrial-fibrillation-recurrence-after-catheter-ablation-a-meta-analysis
#4
Xiao Jin, Jianke Pan, Huanlin Wu, Danping Xu
Atrial fibrillation (AF), the most common form of arrhythmia, is associated with the prevalence of many common cardiovascular and cerebrovascular diseases. Catheter ablation is considered the first-line therapy for AF; however, AF recurrence is very common after catheter ablation. Studies have been performed to analyze the factors associated with AF recurrence, but none have reached a consistent conclusion on whether left ventricular ejection fraction (LVEF) and left atrial diameter (LA diameter) affect AF recurrence after catheter ablation...
May 2018: Medicine (Baltimore)
https://www.readbyqxmd.com/read/29764718/metabolic-syndrome-associates-with-left-atrial-dysfunction
#5
K Nyman, M Granér, M O Pentikäinen, J Lundbom, A Hakkarainen, R Sirén, M S Nieminen, M-R Taskinen, N Lundbom, K Lauerma
BACKGROUND AND AIMS: Obesity and metabolic syndrome (MetS) are risk factors of atrial fibrillation (AF), but limited data exist on their effect on left atrial (LA) function. The aim of the study was to evaluate the effects of cardiac, hepatic and intra-abdominal ectopic fat depots and cardiometabolic risk factors on LA function in non-diabetic male subjects. METHODS AND RESULTS: Myocardial and hepatic triglyceride contents were measured with 1.5T 1 H-magnetic resonance spectroscopy and LA and left ventricular function, visceral adipose tissue (VAT), subcutaneous adipose tissue (SAT), epicardial and pericardial fat by magnetic resonance imaging (MRI) in 33 men with MetS and 40 men without MetS...
February 21, 2018: Nutrition, Metabolism, and Cardiovascular Diseases: NMCD
https://www.readbyqxmd.com/read/29764553/-interposed-abdominal-pulling-pressing-cardiopulmonary-resuscitation-improve-the-resuscitation-effect-for-patients-with-cardiac-arrest
#6
Dabing Wang, Xiaonan Feng, Yujuan Han
OBJECTIVE: To study the impact of interposed abdominal pulling-pressing cardiopulmonary resuscitation (IAPP-CPR) for patients with cardiac arrest (CA). METHODS: A prospective study was conducted. A total of 122 CA patients admitted to Department of Emergency of Shandong Provincial Mining Industry Group Company Central Hospital from July 2013 to December 2017 were enrolled. They were divided into standard cardiopulmonary resuscitation (S-CPR) group (n = 62) and IAPP-CPR group (n = 60) according to order of admission...
May 2018: Zhonghua Wei Zhong Bing Ji Jiu Yi Xue
https://www.readbyqxmd.com/read/29761679/gender-related-differences-in-outcomes-of-patients-with-cardiac-resynchronization-therapy
#7
Roman Nevzorov, Avital Porter, Shanie Mostov, Shirit Kazum, Alon Eisen, Gustavo Goldenberg, Zaza Iakobishvili, Jairo Kusniec, Gregory Golovchiner, Boris Strasberg, Moti Haim
BACKGROUND: Gender-related differences (GRD) exist in the outcome of patients with cardiac resynchronization therapy (CRT). OBJECTIVES: To assess GRD in patients who underwent CRT. METHODS: A retrospective cohort of 178 patients who were implanted with a CRT in a tertiary center 2005-2009 was analyzed. Primary outcome was 1 year mortality. Secondary endpoints were readmission and complication rates. RESULTS: No statistically significant difference was found in 1 year mortality rates (14...
May 2018: Israel Medical Association Journal: IMAJ
https://www.readbyqxmd.com/read/29761670/arrhythmic-events-in-brugada-syndrome-a-nationwide-israeli-survey-of-the-clinical-characteristics-treatment-and-long-term-follow-up-israbru-vf
#8
Eran Leshem, Michael Rahkovich, Anna Mazo, Mahmoud Suleiman, Miri Blich, Avishag Laish-Farkash, Yuval Konstantino, Rami Fogelman, Boris Strasberg, Michael Geist, Israel Chetboun, Moshe Swissa, Michael Ilan, Aharon Glick, Yoav Michowitz, Raphael Rosso, Michael Glikson, Bernard Belhassen
BACKGROUND: Limited information exists about detailed clinical characteristics and management of the small subset of Brugada syndrome (BrS) patients who had an arrhythmic event (AE). OBJECTIVES: To conduct the first nationwide survey focused on BrS patients with documented AE. METHODS: Israeli electrophysiology units participated if they had treated BrS patients who had cardiac arrest (CA) (lethal/aborted; group 1) or experienced appropriate therapy for tachyarrhythmias after prophylactic implantable cardioverter defibrillator (ICD) implantation (group 2)...
May 2018: Israel Medical Association Journal: IMAJ
https://www.readbyqxmd.com/read/29759829/acute-and-3-month-performance-of-a-communicating-leadless-antitachycardia-pacemaker-and-subcutaneous-implantable-defibrillator
#9
Fleur V Y Tjong, Tom F Brouwer, Brendan Koop, Brian Soltis, Allan Shuros, Brian Schmidt, Bryan Swackhamer, Anne-Floor E B Quast, Arthur A M Wilde, Martin C Burke, Reinoud E Knops
OBJECTIVES: The primary objective was to assess the acute and 3-month performance of the modular antitachycardia pacing (ATP)-enabled leadless pacemaker (LP) and subcutaneous implantable cardioverter-defibrillator (S-ICD) system, particularly device-device communication and ATP delivery. BACKGROUND: Transvenous pacemakers and implantable cardioverter-defibrillators (ICDs) have considerable rates of lead complications. We examined the next step in multicomponent leadless cardiac rhythm management: feasibility of pacing (including ATP) by a LP, commanded by an implanted S-ICD through wireless, intrabody, device-device communication...
December 26, 2017: JACC. Clinical Electrophysiology
https://www.readbyqxmd.com/read/29759788/novel-extravascular-defibrillation-configuration-with-a-coil-in-the-substernal-space-the-asd-clinical-study
#10
Joseph Y S Chan, Jacek Lelakowski, Francis D Murgatroyd, Lucas V Boersma, Jian Cao, Vladimir Nikolski, Griet Wouters, Mark C S Hall
OBJECTIVES: This study assessed the defibrillation efficacy of the substernal-lateral electrode configuration. BACKGROUND: Subcutaneous implantable cardioverter-defibrillators (ICDs) are regarded as alternatives to transvenous ICDs in certain subjects. However, substantially higher shock energy of up to 80 J may be required. Proposed is a new defibrillation method of placing the shock coil into the substernal space. METHODS: This prospective, nonrandomized, feasibility study was conducted in subjects scheduled for midline sternotomy or implant of ICD...
August 2017: JACC. Clinical Electrophysiology
https://www.readbyqxmd.com/read/29759624/long-detection-programming-in-single-chamber-defibrillators-reduces-unnecessary-therapies-and-mortality-the-advance-iii-trial
#11
Maurizio Gasparini, Maurizio G Lunati, Alessandro Proclemer, Angel Arenal, Axel Kloppe, Josè B Martínez Ferrer, Ahmad S Hersi, Marcin Gulaj, Maurits C E Wijffels, Elisabetta Santi, Laura Manotta, Niraj Varma
OBJECTIVES: This study sought to evaluate the effects of programming a long detection in single-chamber (VVI) implantable cardioverter-defibrillators (ICDs) in the multicenter prospective ADVANCE III (Avoid DeliVering TherApies for Non-sustained Arrhythmias in ICD PatiEnts III) trial. BACKGROUND: Programming strategies may reduce unnecessary ICD shocks and their adverse effects but to date have been described only for dual-chamber ICDs. METHODS: A total of 545 subjects (85% male; atrial fibrillation 25%, left ventricular ejection fraction 31%, ischemic etiology 68%, secondary prevention indications 32%) receiving a VVI ICD were randomized to long detection (30 of 40 intervals) or standard programming (18 of 24 intervals) based on device type, atrial fibrillation history, and indication...
November 2017: JACC. Clinical Electrophysiology
https://www.readbyqxmd.com/read/29759619/catheter-ablation-for-cardiac-arrhythmias-utilization-and-in-hospital-complications-2000-to-2013
#12
Seyed Mohammadreza Hosseini, Guy Rozen, Ahmed Saleh, Jeena Vaid, Yitschak Biton, Kasra Moazzami, E Kevin Heist, Moussa C Mansour, M Ihsan Kaadan, Mark Vangel, Jeremy N Ruskin
OBJECTIVES: This study sought to investigate the utilization of and in-hospital complications in patients undergoing catheter ablation in the United States from 2000 to 2013 by using the National Inpatient Sample and Nationwide Inpatient Sample. BACKGROUND: Catheter ablation has become a mainstay in the treatment of a wide range of cardiac arrhythmias. METHODS: This study identified patients 18 years of age and older who underwent inpatient catheter ablation from 2000 to 2013 and had 1 primary diagnosis of any of the following arrhythmias: atrial fibrillation, atrial flutter, supraventricular tachycardia, or ventricular tachycardia...
November 2017: JACC. Clinical Electrophysiology
https://www.readbyqxmd.com/read/29759541/the-phenotypic-spectrum-of-a-mutation-hotspot-responsible-for-the-short-qt-syndrome
#13
Dan Hu, Yang Li, Jiancheng Zhang, Ryan Pfeiffer, Michael H Gollob, Jeff Healey, Daniel Toshio Harrell, Naomasa Makita, Haruhiko Abe, Yaxun Sun, Jihong Guo, Li Zhang, Ganxin Yan, Douglas Mah, Edward P Walsh, Harris B Leopold, Carla Giustetto, Fiorenzo Gaita, Agnieszka Zienciuk-Krajka, Andrea Mazzanti, Silvia G Priori, Charles Antzelevitch, Hector Barajas-Martinez
OBJECTIVES: This study sought to evaluate the phenotypic and functional expression of an apparent hotspot mutation associated with short QT syndrome (SQTS). BACKGROUND: SQTS is a rare channelopathy associated with a high risk of life-threatening arrhythmias and sudden cardiac death (SCD). METHODS: Probands diagnosed with SQTS and their family members were evaluated clinically and genetically. KCNH2 wild-type (WT) and mutant genes were transiently expressed in HEK293 cells, and currents were recorded using whole-cell patch clamp and action potential (AP) clamp techniques...
July 2017: JACC. Clinical Electrophysiology
https://www.readbyqxmd.com/read/29759496/j-waves-for-predicting-cardiac-events-in-hypertrophic-cardiomyopathy
#14
Toyonobu Tsuda, Kenshi Hayashi, Tetsuo Konno, Kenji Sakata, Takashi Fujita, Akihiko Hodatsu, Yoji Nagata, Ryota Teramoto, Akihiro Nomura, Yoshihiro Tanaka, Hiroshi Furusho, Masayuki Takamura, Masa-Aki Kawashiri, Noboru Fujino, Masakazu Yamagishi
OBJECTIVES: This study sought to investigate whether the presence of J waves was associated with cardiac events in patients with hypertrophic cardiomyopathy (HCM). BACKGROUND: It has been uncertain whether the presence of J waves predicts life-threatening cardiac events in patients with HCM. METHODS: This study evaluated consecutive 338 patients with HCM (207 men; age 61 ± 17 years of age). A J-wave was defined as J-point elevation >0...
October 2017: JACC. Clinical Electrophysiology
https://www.readbyqxmd.com/read/29758993/lower-in-hospital-ventricular-tachyarrhythmia-in-patients-with-acute-myocardial-infarction-receiving-prior-statin-therapy
#15
Jin Sup Park, Bo Won Kim, Taek Jong Hong, Jeong Cheon Choe, Hye Won Lee, Jun-Hyok Oh, Jung Hyun Choi, Han Cheol Lee, Kwang Soo Cha, Myung Ho Jeong
We evaluated whether prior statin therapy reduces in-hospital ventricular tachycardia/ventricular fibrillation (VT/VF) in percutaneous coronary intervention (PCI) patients with acute myocardial infarction (MI). Among the 1177 patients from the Acute Myocardial Infarction Registry-National Institutes of Health (KAMIR-NIH), 823 (70%) patients received prior statin therapy. Prior statin therapy was associated with a reduced risk of VT/VF events in both adjusted propensity score analysis (odds ratio [OR] 0.414, 95% confidence interval [CI], 0...
January 1, 2018: Angiology
https://www.readbyqxmd.com/read/29758173/lack-of-genotype-phenotype-correlation-in-families-who-had-brugada-syndrome-and-sudden-arrhythmic-death-syndrome-with-reported-pathogenic-scn1b-variants
#16
Belinda Gray, Can Hasdemir, Jodie Ingles, Takeshi Aiba, Naomasa Makita, Vincent Probst, Arthur A M Wilde, Ruth Newbury-Ecob, Mary N Sheppard, Christopher Semsarian, Raymond W Sy, Elijah R Behr
BACKGROUND: There is limited evidence that Brugada syndrome (BrS) is due to SCN1B variants (BrS5). This gene may be inappropriately included in routine genetic testing panels for BrS or sudden arrhythmic death syndrome (SADS). OBJECTIVE: We sought to characterize the genotype-phenotype correlation in families who had BrS and SADS with reportedly pathogenic SCN1B variants and to review their pathogenicity. METHODS: Families with BrS and SADS were assessed from 6 inherited arrhythmia centers worldwide, and a comprehensive literature review was performed...
May 3, 2018: Heart Rhythm: the Official Journal of the Heart Rhythm Society
https://www.readbyqxmd.com/read/29755946/iatrogenic-atrial-septal-defect-with-right-to-left-shunt-following-atrial-fibrillation-ablation-in-a-patient-with-arrhythmogenic-right-ventricular-cardiomyopathy
#17
Adam Lee, Vaikom S Mahadevan, Edward P Gerstenfeld
No abstract text is available yet for this article.
April 2018: HeartRhythm Case Reports
https://www.readbyqxmd.com/read/29755626/the-impact-of-admission-serum-creatinine-on-major-adverse-clinical-events-in-st-segment-elevation-myocardial-infarction-patients-undergoing-primary-percutaneous-coronary-intervention
#18
Poornima Vinod, Taylor Kann, Shyam Polaconda, Alibel Bello, Mohamed Khayata, Fernando Munoz, Vinod Krishnappa, Rupesh Raina
Background: Impaired renal function has been shown in previous studies to be an independent predictor of cardiovascular adverse events amongst patients admitted for percutaneous coronary intervention (PCI) following ST-segment elevation myocardial infarction (STEMI). This study investigates the impact of admission serum creatinine (SCr) on major cardiovascular outcomes among STEMI patients undergoing PCI. Methods: A retrospective study of patients admitted for PCI following STEMI was conducted using the National Cardiovascular Database Action Registry (NCDR) at Cleveland Clinic Akron General (CCAG) Hospital...
April 2018: Cardiology Research
https://www.readbyqxmd.com/read/29754924/evaluation-of-left-ventricular-systolic-function-during-atrial-fibrillation-is-it-reliable
#19
EDITORIAL
Donato Mele, Giovanni Andrea Luisi, Roberto Ferrari
No abstract text is available yet for this article.
July 15, 2018: International Journal of Cardiology
https://www.readbyqxmd.com/read/29754460/prognostic-evaluation-of-the-elastic-properties-of-the-ascending-aorta-in-dilated-cardiomyopathy
#20
Edoardo Sciatti, Enrico Vizzardi, Ivano Bonadei, Davide Fabbricatore, Francesco Prati, Mattia Pagnoni, Marco Metra
BACKGROUND: Nowadays there is an increased interest in the role of aortic stiffness in the pathophysiology of heart failure (HF), since it is a major determinant of left ventricular (LV) performance. We aimed at assessing the predictive value of the aortic stiffness parameters, measured by echocardiography, in patients affected by non-ischemic dilated cardiomyopathy (DCM) regarding three end-points: death, HF rehospitalization, combined death or HF rehospitalization in a long-term follow-up...
May 13, 2018: European Journal of Clinical Investigation
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