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https://www.readbyqxmd.com/read/28917559/predictors-and-outcomes-of-cardiac-resynchronization-therapy-extended-to-the-second-generator
#1
Xuping Li, Dachun Yang, Fred Kusumoto, Win-Guang Shen, Siva Mulpuru, Shenghua Zhou, Jinjun Liang, Gang Wu, Mei Yang, Jin-Qu Liu, Paul A Friedman, Yong-Mei Cha
BACKGROUND: A proportion of patients who receive cardiac resynchronization therapy (CRT) with defibrillator (CRT-D) live to receive a second generator. Controversy exists on whether an implantable cardioverter-defibrillator (ICD) should be offered to patients who have normalized or near normalized left ventricular ejection fraction (LVEF) at the time of generator replacement (GR). OBJECTIVE: To evaluate incidence of appropriate ICD therapy after CRT-D GR. METHODS: This series involved 1,026 consecutive patients who underwent CRT-D implant between January 2002 and December 2012...
September 13, 2017: Heart Rhythm: the Official Journal of the Heart Rhythm Society
https://www.readbyqxmd.com/read/28913817/return-to-play-in-2017-and-the-role-of-shared-decision-making-in-patients-with-inherited-and-acquired-channelopathies-and-cardiomyopathies
#2
REVIEW
Kia Afshar, T Jared Bunch
Shared decision-making is based upon a physician-patient encounter in which there is adequate education using aids if needed, a mutual discussion of how to assist the patient in weighing risks and benefits, and a supportive environment that allows the patient to deliberate on the clinical decision and make their own choice. This decision-making paradigm centers on the principles of autonomy and self-determination. Physical activity is a critical part of healthy lifestyle choices that helps lower risk of cardiovascular disease or the progression of it...
September 14, 2017: Current Treatment Options in Cardiovascular Medicine
https://www.readbyqxmd.com/read/28903763/troponin-as-ischemic-biomarker-is-related-with-all-three-echocardiographic-risk-factors-for-sudden-death-in-hypertrophic-cardiomyopathy-esc-guidelines-2014
#3
Rafał Hładij, Renata Rajtar-Salwa, Paweł Petkow Dimitrow
BACKGROUND: Sudden cardiac death (SCD) risk stratification is the most important preventive action in patients with hypertrophic cardiomyopathy (HCM). The identification of the ischemia biomarker high sensitive troponin I (hs-TnI) role for this arrhythmic disease may provide additional information for SCD risk stratification. The aim of the study was to compare echocardiographic parameters (prognostic for risk stratification of SCD in HCM) among two subgroups of HCM patients: with elevated hs-TnI versus non-elevated hs-TnI level...
September 13, 2017: Cardiovascular Ultrasound
https://www.readbyqxmd.com/read/28880023/sudden-infant-death-syndrome-and-inherited-cardiac-conditions
#4
REVIEW
Alban-Elouen Baruteau, David J Tester, Jamie D Kapplinger, Michael J Ackerman, Elijah R Behr
Sudden infant death syndrome (SIDS) is the leading cause of post-neonatal infant mortality in developed countries, characterized by the death of infants for no obvious reason and without prior warning. The complex interaction of multiple factors in the pathogenesis of SIDS is illustrated by the 'triple risk hypothesis', which proposed that SIDS results from a convergence of three overlapping risk factors: a critical developmental period, an exogenous stressor, and underlying genetic and/or nongenetic vulnerability in the infant...
September 7, 2017: Nature Reviews. Cardiology
https://www.readbyqxmd.com/read/28859790/ivabradine-in-children-with-dilated-cardiomyopathy-and-symptomatic-chronic-heart-failure
#5
RANDOMIZED CONTROLLED TRIAL
Damien Bonnet, Felix Berger, Eero Jokinen, Paul F Kantor, Piers E F Daubeney
BACKGROUND: Heart rate reduction as a therapeutic target has been investigated in adults with heart failure (HF). Ivabradine has shown promising efficacy, but has not been evaluated in children. Currently, treatment recommendations for chronic pediatric HF are based mainly on chronic HF guidelines for adults. OBJECTIVES: The authors explored the dose-response relationship of ivabradine in children with dilated cardiomyopathy and symptomatic chronic HF. The primary endpoint was ≥20% reduction in heart rate from baseline without inducing bradycardia or symptoms...
September 5, 2017: Journal of the American College of Cardiology
https://www.readbyqxmd.com/read/28854816/carvedilol-inhibits-matrix-metalloproteinase-2-activation-in-experimental-autoimmune-myocarditis-possibilities-of-cardioprotective-application
#6
Monika Skrzypiec-Spring, Katarzyna Haczkiewicz, Agnieszka Sapa, Tomasz Piasecki, Joanna Kwiatkowska, Ireneusz Ceremuga, Mieczyslaw Wozniak, Wieslawa Biczysko, Christopher Kobierzycki, Piotr Dziegiel, Marzenna Podhorska-Okolow, Adam Szelag
AIMS: Acute myocarditis is a potentially lethal inflammatory heart disease that frequently precedes the development of dilated cardiomyopathy and subsequent heart failure. At present, there is no effective standardized therapy for acute myocarditis, besides the optimal care of heart failure and arrhythmias in accordance with evidence-based guidelines and specific etiology-driven therapy for infectious myocarditis. Carvedilol has been shown to be cardioprotective by reducing cardiac pro-inflammatory cytokines present in oxidative stress in certain heart diseases...
January 1, 2017: Journal of Cardiovascular Pharmacology and Therapeutics
https://www.readbyqxmd.com/read/28853722/propionic-acidemia-as-a-cause-of-adult-onset-dilated-cardiomyopathy
#7
Moniek Riemersma, Mark R Hazebroek, Appolonia T J M Helderman-van den Enden, Gajja S Salomons, Sacha Ferdinandusse, Martijn C G J Brouwers, Liesbeth van der Ploeg, Stephane Heymans, Jan F C Glatz, Arthur van den Wijngaard, Ingrid P C Krapels, Jörgen Bierau, Han G Brunner
Dilated cardiomyopathy (DCM) is extremely heterogeneous with a large proportion due to dominantly inherited disease-causing variants in sarcomeric genes. Recessive metabolic diseases may cause DCM, usually with onset in childhood, and in the context of systemic disease. Whether metabolic defects can also cause adult-onset DCM is currently unknown. Therefore, we performed an extensive metabolic screening in 36 consecutive adult-onset DCM patients. Diagnoses were confirmed by Sanger sequencing and multiplex ligation-dependent probe amplification (MLPA)...
August 30, 2017: European Journal of Human Genetics: EJHG
https://www.readbyqxmd.com/read/28842918/who-still-remains-at-risk-of-arrhythmic-death-at-time-of-implantable-cardioverter-defibrillator-generator-replacement
#8
Marta Madeira, Natália António, James Milner, Miguel Ventura, João Cristóvão, Marco Costa, José Nascimento, Luís Elvas, Lino Gonçalves, Guilherme Mariano Pego
BACKGROUND: Implantable cardioverter-defibrillator (ICD) is associated with reduction in arrhythmic mortality. However, at the time of generator replacement (GR) some patients had not experienced therapies and had a different clinical profile. Therefore, the risk-benefit ratio of ICD may have changed. Our aim was to determine the proportion of patients with ICD implanted in primary prevention that maintain guideline-derived indications at the time of GR and assess predictors of therapies in the postreplacement period...
August 26, 2017: Pacing and Clinical Electrophysiology: PACE
https://www.readbyqxmd.com/read/28798245/regadenoson-cardiac-stress-test-induced-stress-cardiomyopathy
#9
Jagadeesh K Kalavakunta, Dominika M Zoltowska, Yashwant Agrawal, Vishal Gupta
Takotsubo cardiomyopathy, also described as apical ballooning syndrome/stress-induced cardiomyopathy, imitates acute coronary syndrome and is usually related to a massive physiological or emotional stressor. We describe perhaps the first reported case to the best of our knowledge of a 55-year-old Caucasian woman who presented with congestive heart failure after having a regadenoson cardiac stress test a few hours prior to presentation to the hospital. Transthoracic echocardiogram revealed reduced heart function...
August 10, 2017: BMJ Case Reports
https://www.readbyqxmd.com/read/28795160/performance-and-in-house-validation-of-a-bioassay-for-the-determination-of-beta1-autoantibodies-found-in-patients-with-cardiomyopathy
#10
Katrin Wenzel, Sarah Schulze-Rothe, Annekathrin Haberland, Johannes Müller, Gerd Wallukat, Hanna Davideit
BACKGROUND: Autoantibodies specific for the adrenergic beta1-receptor were identified to be an essential factor for the pathogenesis of dilated cardiomyopathy. For the detection of these autoantibodies, a bioassay was developed and has been used, measuring the positive chronotropic effect on spontaneously beating neonatal rat cardiomyocytes. In order to use this bioassay as an analytical tool to monitor the effectiveness of autoantibody neutralizing therapy in a regulated field, there is a need to assess its analytical performance and validate it according to current guidelines...
July 2017: Heliyon
https://www.readbyqxmd.com/read/28781300/successful-catheter-ablation-as-a-substitute-for-cardiac-resynchronization-therapy-in-patient-with-an-accessory-pathway-induced-cardiomyopathy
#11
Keisuke Nakabayashi, Ryo Sugiura, Yusuke Mizuno, Hiroko Kato, Naomi Nakazawa, Toshiaki Suzuki, Hideki Saito, Naomi Kawakatsu, Masayuki Goto, Daichi Isomura, Hisayuki Okada, Toshiaki Oka
A 50-year-old man presented with exertional dyspnea and orthopnea. An electrocardiogram showed a delta wave and a wide QRS complex, similar to left bundle branch block. Cardiac echocardiography revealed diffuse severe hypokinesis and dyssynchrony. The patient was diagnosed with congestive heart failure. We considered that the patient's condition was caused by an accessory pathway-induced cardiomyopathy after heart failure compensation with guideline-oriented medical therapy. We therefore performed catheter ablation for right-sided pre-excitation syndrome as cardiac resynchronization therapy...
August 15, 2017: Internal Medicine
https://www.readbyqxmd.com/read/28765406/a-contemporary-review-of-peripartum-cardiomyopathy
#12
Peysh A Patel, Ashwin Roy, Rabeia Javid, John Aw Dalton
Peripartum cardiomyopathy reflects the presence of cardiac failure in the absence of determinable heart disease and occurs in late third trimester of pregnancy or up to 6 months postpartum. A full understanding of pathophysiological mechanisms is lacking, but excess prolactin levels, haemodynamic alterations, inflammation and nutritional deficiencies have all been implicated. Its clinical presentation has distinct overlap with physiological alterations in healthy pregnancy and this presents a diagnostic challenge...
July 2017: Clinical Medicine: Journal of the Royal College of Physicians of London
https://www.readbyqxmd.com/read/28756079/-exercise-testing-new-guidelines
#13
Dany Michel Marcadet
The GERS (Exercise Rehabilitation and Sports Group of the French Society of Cardiology) has decided to update current guidelines regarding the practice of EKG stress tests. Since the last update dates from 1997, the GERS judged it necessary to integrate data from new works and advancements made in the last 20 years. Good clinical practices and safety conditions are better defined regarding the structure, location, material, staff competency, as well as convention with hospital structures. The diagnosis of coronary artery disease remains the principal indication for a stress test...
July 2017: La Presse Médicale
https://www.readbyqxmd.com/read/28747034/impact-of-peak-provoked-left-ventricular-outflow-tract-gradients-on-clinical-outcomes-in-hypertrophic-cardiomyopathy
#14
Dai-Yin Lu, Bereketeab Hailesealassie, Ioannis Ventoulis, Hongyun Liu, Hsin-Yueh Liang, Alexandra Nowbar, Iraklis Pozios, Marco Canepa, Kenneth Cresswell, Hong-Chang Luo, M Roselle Abraham, Theodore P Abraham
BACKGROUND: Hypertrophic cardiomyopathy (HCM) is traditionally classified based on a left ventricular outflow tract (LVOT) pressure gradient of 30mmHg at rest or with provocation. There are no data on whether 30mmHg is the most informative cut-off value and whether provoked gradients offer any information regarding outcomes. METHODS: Resting and provoked peak LVOT pressure gradients were measured by Doppler echocardiography in patients fulfilling guidelines criteria for HCM...
September 15, 2017: International Journal of Cardiology
https://www.readbyqxmd.com/read/28721212/recent-advances-in-the-management-of-ventricular-tachyarrhythmias
#15
REVIEW
Syeda Atiqa Batul, Brian Olshansky, John D Fisher, Rakesh Gopinathannair
Ventricular arrhythmias are an important cause of cardiovascular morbidity and mortality, particularly in those with structural heart disease, inherited cardiomyopathies, and channelopathies. The goals of ventricular arrhythmia management include symptom relief, improving quality of life, reducing implantable cardioverter defibrillator shocks, preventing deterioration of left ventricular function, reducing risk of arrhythmic death, and potentially improving overall survival. Guideline-directed medical therapy and implantable cardioverter defibrillator implantation remain the mainstay of therapy to prevent sudden cardiac death in patients with ventricular arrhythmias in the setting of structural heart disease...
2017: F1000Research
https://www.readbyqxmd.com/read/28720602/a-reminder-of-escherichia-coli-sepsis-induced-reversible-cardiomyopathy
#16
Aung Naing Lin, Atif Shaikh, Sithu Lin, Deepika Misra
Cardiomyopathy is a progressive disease of myocardium causing either mechanical or electrical disturbances. Sepsis-induced cardiomyopathy (SICM) is an entity of cardiomyopathy which is reversible in 1â€"2 weeks after recovery from sepsis or septic shock. SICM is thought to have unpredictable cumulative mortality towards sepsis but its exact mechanism remains elusive. We report a case of Escherichia coli SICM in a 63-year-old woman presented with sudden onset of dyspnoea on exertion and orthopnoea following nausea, vomiting and diarrhoea after consuming Chinese foods...
July 18, 2017: BMJ Case Reports
https://www.readbyqxmd.com/read/28714810/advances-in-cardiovascular-health-in-women-over-the-past-decade-guideline-recommendations-for-practice
#17
Pejman Raeisi-Giglou, Annabelle Santos Volgman, Hena Patel, Susan Campbell, Amparo Villablanca, Eileen Hsich
Cardiovascular disease (CVD) remains the number one cause of death in women. It is estimated that 44 million women in the United States are either living with or at risk for heart disease. This article highlights the recent significant progress made in improving care, clinical decision-making, and policy implications for women with CVD. We provide our perspective supported by evidence-based advances in cardiovascular research and clinical care guidelines in seven areas: (1) primary CVD prevention and community heart care, (2) secondary prevention of CVD, (3) stroke, (4) heart failure and cardiomyopathies, (5) ischemia with nonobstructive coronary artery disease, (6) spontaneous coronary artery dissection, and (7) arrhythmias and device therapies...
July 17, 2017: Journal of Women's Health
https://www.readbyqxmd.com/read/28706597/an-infrequent-cause-of-apical-ventricular-aneurysm-in-the-united-states
#18
Mohammed M Taleb
Chronic Chagas cardiomyopathy (CCC) is a late complication of Chagas disease with various manifestations including arrhythmia, heart failure, thromboembolism, and stroke. In a patient with symptoms of heart failure and left ventricular apical aneurysm unexplained by structural heart or coronary vascular abnormalities, CCC should be strongly considered and inquiry made about exposure status. Typical electrocardiographic findings of bundle branch block, complete heart blocks, and ventricular arrhythmia are helpful clues...
April 2017: Heart Views: the Official Journal of the Gulf Heart Association
https://www.readbyqxmd.com/read/28673245/takotsubo-cardiomyopathy-complicated-with-apical-thrombus-formation-on-first-day-of-the-illness-a-case-report-and-literature-review
#19
H M M T B Herath, S P Pahalagamage, Laura C Lindsay, S Vinothan, Sampath Withanawasam, Vajira Senarathne, Milinda Withana
BACKGROUND: Takotsubo cardiomyopathy is characterized by transient systolic dysfunction of the apical and mid segments of the left ventricle in the absence of obstructive coronary artery disease. Intraventricular thrombus formation is a rare complication of Takotsubo cardiomyopathy and current data almost exclusively consists of isolated case reports and a few case series. Here we describe a case of Takotsubo cardiomyopathy with formation of an apical thrombus within 24 h of symptom onset, which has been reported in the literature only once previously, to the best of our knowledge...
July 3, 2017: BMC Cardiovascular Disorders
https://www.readbyqxmd.com/read/28670752/sudden-cardiac-death-in-nonischemic-cardiomyopathy-refining-risk-assessment
#20
REVIEW
Matthew M Zipse, Wendy S Tzou
Sudden cardiac death (SCD) risk assessment among patients with nonischemic cardiomyopathy (NICM) has been has been less straightforward than for patients with ischemic cardiomyopathy. The common surrogate that has been associated with highest SCD risk for all cardiomyopathies, and which has been universally used to guide implantation of primary-prevention implantable cardioverter-defibrillators (ICDs), is left ventricular ejection fraction (LVEF) ≤35%. However, this practice has been called into question, especially in light of recent trials suggesting that ICD treatment may not be of additional survival benefit among those with NICM treated with optimal medical therapy...
July 3, 2017: Journal of Cardiovascular Electrophysiology
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