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"Sudden death"

E Gandjbakhch, E Varlet, G Duthoit, V Fressart, P Charron, C Himbert, C Maupain, C Bordet, F Hidden-Lucet, J Nizard
INTRODUCTION: The prognosis of pregnancy in patients with Arrhythmogenic Right Ventricular Cardiomyopathy/dysplasia (ARVC/D) is poorly documented. The aim of this study is to assess the cardiac risks during pregnancy and the impact of ARVC/D on fetuses/neonates/children. METHODS: We included all ARVC/D women with a history of pregnancy from the ARVC/D Pitié-Salpêtrière registry. Cardiac and obstetrical events having occurred during pregnancy/delivery/post-partum periods and neonatal data/follow-up were collected...
May 1, 2018: International Journal of Cardiology
Michael Papadakis, Efstathios Papatheodorou, Greg Mellor, Hariharan Raju, Rachel Bastiaenen, Yanushi Wijeyeratne, Sara Wasim, Bode Ensam, Gherardo Finocchiaro, Belinda Gray, Aneil Malhotra, Andrew D'Silva, Nina Edwards, Della Cole, Virginia Attard, Velislav N Batchvarov, Maria Tome-Esteban, Tessa Homfray, Mary N Sheppard, Sanjay Sharma, Elijah R Behr
BACKGROUND: Familial evaluation after a sudden death with negative autopsy (sudden arrhythmic death syndrome; SADS) may identify relatives at risk of fatal arrhythmias. OBJECTIVES: This study aimed to assess the impact of systematic ajmaline provocation testing using high right precordial leads (RPLs) on the diagnostic yield of Brugada syndrome (BrS) in a large cohort of SADS families. METHODS: Three hundred three SADS families (911 relatives) underwent evaluation with resting electrocardiogram using conventional and high RPLs, echocardiography, exercise, and 24-h electrocardiogram monitor...
March 20, 2018: Journal of the American College of Cardiology
Mark Stewart
This review traces the examination of autonomic, cardiovascular, and respiratory derangements associated with seizure activity in the clinical and preclinical literature generally, and in the author's animal model specifically, and concludes with the author's views on the potential mechanisms for sudden death in epilepsy (SUDEP). An animal model that employs kainic acid-induced seizures on a background of urethane anesthesia has permitted unprecedented access to the behavior of autonomic, cardiovascular, and respiratory systems during seizure activity...
March 14, 2018: Journal of Physiological Sciences: JPS
Claire E Raphael, Mandeep Singh, Malcolm Bell, Daniel Crusan, Ryan J Lennon, Amir Lerman, Abhiram Prasad, Charanjit S Rihal, Bernard J Gersh, Rajiv Gulati
BACKGROUND: Women have higher rates of all-cause mortality after percutaneous coronary intervention. Whether this is because of greater age and comorbidity burden or a sex-specific factor remains unclear. METHODS AND RESULTS: We retrospectively assessed cause-specific long-term mortality after index percutaneous coronary intervention over 3 time periods (1991-1997, 1998-2005, and 2006-2012). Cause of death was determined using telephone interviews, medical records, and death certificates...
March 2018: Circulation. Cardiovascular Interventions
Ali J Marian, Yanli Tan, Lili Li, Jeffrey T Chang, Petros Syrris, Manouchehr Hessabi, Mohammad H Rahbar, James T Willerson, Benjamin Y Cheong, Chia-Ying Liu, Neal S Kleiman, David A Bluemke, Sherif F Nagueh
<u>Rationale:</u> Hypertrophic cardiomyopathy (HCM) is a genetic paradigm of cardiac hypertrophy. Cardiac hypertrophy and interstitial fibrosis are important risk factors for sudden death and morbidity in HCM. Oxidative stress is implicated in the pathogenesis of cardiac hypertrophy and fibrosis. Treatment with anti-oxidant N-acetylcysteine (NAC) reverses cardiac hypertrophy and fibrosis in animal models of HCM. <u>Objective:</u> To determine effect sizes of NAC on indices of cardiac hypertrophy and fibrosis in patients with established HCM...
March 14, 2018: Circulation Research
M Marin-Gracia, D Cantero-Lozano, E Garces-Anton, A Lopez-Bravo, A Garrido-Fernandez, M P Navarro-Perez, S Santos-Lasaosa, M Garces-Redondo
INTRODUCTION: Lacosamide is an antiepileptic drug whose exact mechanism of action remains unknown. It acts by increasing the slow inactivation of the voltage-dependent sodium channels of the cell membranes. It is indicated in the treatment of focal seizures with or without secondary generalisation and is occasionally used as adjunct treatment in neuropathic pain. Although the most frequent side effects are mild (dizziness, diplopia, blurred vision, headache, tremor, etc.), others such as supraventricular tachyarrhythmias, changes in repolarisation, atrioventricular blocks and even cardiac arrest or sudden death have been reported...
March 16, 2018: Revista de Neurologia
Elizabeth Regina Carvalho, Roberto Andrés Navarrete Ampuero, Giovana Laís Ruviaro Tuleski, Aparecido Antonio Camacho, Marlos Gonçalves Sousa
Ventricular arrhythmias (VA) are a recognized concern in dogs with degenerative mitral valve disease (DMVD). The coupling interval (CI) and the prematurity index (PI) have been shown to accurately differentiate between benign and malignant VA in people, where ventricular arrhythmias are known to be associated with an increased risk of development of signs of heart failure or sudden death. In this study, we characterized ventricular arrhythmias in dogs with symptomatic and asymptomatic DMVD. Seventy dogs with naturally-occurring DMVD and ventricular arrhythmias were retrospectively studied...
March 13, 2018: Veterinary Research Communications
Patrícia B S Celestino-Soper, Ty C Lynnes, Lili Zhang, Karen Ouyang, Samuel Wann, Victoria L Clyde, Matteo Vatta
Arrhythmogenic right ventricular cardiomyopathy (ARVC) is a disorder that may lead to sudden death and can affect humans and other primates. In 2012, the alpha male bonobo of the Milwaukee County Zoo died suddenly and histologic evaluation found features of ARVC. This study sought to discover a possible genetic cause for ARVC in this individual. We sequenced our subject's DNA to search for deleterious variants in genes involved in cardiovascular disorders. Variants found were annotated according to the human genome, following currently available classification used for human diseases...
March 12, 2018: Scientific Reports
Orrin Devinsky, Daniel Friedman, Jocelyn Y Cheng, Ellen Moffatt, Anthony Kim, Zian H Tseng
No abstract text is available yet for this article.
March 13, 2018: Neurology
Vaitsa Giannouli
No abstract text is available yet for this article.
March 13, 2018: Neurology
Chafic Karam, Steven Galetta
No abstract text is available yet for this article.
March 13, 2018: Neurology
Stuart J McCarter, David B Burkholder, James P Klaas, Christopher J Boes
Charles Edward Beevor (1854-1908) was a prominent English neurologist who served in a variety of positions at the National Hospital for the Paralysed and Epileptic, Queen Square, from 1883 until his sudden death due to coronary artery disease in 1908. Staunchly committed to the meticulous study of neuroanatomy and physiology and education of his fellow physicians, Beevor was an accomplished clinician-scientist. He is most well known for describing the Beevor sign (commonly known as "Beevor's sign"), which is the upward movement of the umbilicus with truncal flexion from a supine position, used to indicate a spinal cord lesion between the levels of T10 and T12...
March 13, 2018: Neurology
Cindy You, Shishir Sharma, Aakash Bavishi, Christopher A Groh, Yazan Alia, Basil Saour, Rod Passman
BACKGROUND: Hemodialysis (HD) patients have a high risk of sudden death but limited vascular access and high complication rates from transvenous implantable cardioverter-defibrillators (ICDs). Subcutaneous ICDs (S-ICD) may be an alternative, but dynamic ECG changes may result in inappropriate shocks. This study aims to define the screen failure rate for S-ICD in patients pre- and post-HD. METHODS: ECG waveforms were obtained using electrodes mimicking the S-ICD sensing vectors in an unselected test group of chronic HD patients and a control group of ICD-eligible non-dialysis patients...
March 10, 2018: Journal of Interventional Cardiac Electrophysiology: An International Journal of Arrhythmias and Pacing
Daniele Masarone, Juan Pablo Kaski, Giuseppe Pacileo, Perry M Elliott, Eduardo Bossone, Sharlene M Day, Giuseppe Limongelli
Cardiomyopathies (CMPs) are an increasingly recognized cause of heart failure and sudden death, particularly in young patients. Since their original description, major advances were achieved in the phenotype knowledge, natural history, and nosography of CMPs leading to different classification systems and therapies. However, a deeper knowledge of different causes, genotype-phenotype link, and natural history in different disease stages (preclinical, overt disease, and end-stage disease) according to a recognized standard of care (ie, international guidelines) is needed...
April 2018: Heart Failure Clinics
Shai Tejman-Yarden, Eyal Nof, Roy Beinart, Nadav Ovadia, Yuval Goldshmit, Jonathan Buber, Hagith Yonath, Eitan Keizman, Michael Glikson
Permanent cardiac pacing is the only effective solution for patients with symptomatic bradycardia and heart block. About 10% of patients undergoing implantation of the conventional pacing system develop complications related to the subcutaneous pocket or the leads and in pediatric patients lead problems may rise in up to 30% of the patients. The leadless pacemaker devices were developed in order to minimize some of those complications. We present a case of an 11-year-old patient who presented after the sudden death of his older brother, with recurrent episodes of syncope and documented prolonged sinus pauses...
March 8, 2018: Pediatric Cardiology
Nicolize O'Dell, Luke Arnot, Chris Eric Janisch, Johan Ca Steyl
African horse sickness (AHS) is a fatal vector transmitted viral disease of horses caused by the African horse sickness virus (AHSV). This disease is characterised by circulatory and respiratory failure, resulting from vascular endothelial injury affecting many organs. The susceptibility of dogs to AHS has been demonstrated in the past following experimental infection through consumption of infected horse meat. clinical cases of AHS in dogs (cAHS) have been documented, without a history of ingesting infected horse meat, over a period of 12 years...
March 8, 2018: Veterinary Record
Clarisse Lopes de Castro Lobo, Emilia Matos do Nascimento, Leonardo José Carvalho de Jesus, Thiago Gotelip de Freitas, Jocemir Ronaldo Lugon, Samir K Ballas
OBJECTIVE: To determine the mortality rate of children, adolescents and adults with sickle cell anemia in Rio de Janeiro, Brazil. METHODS: The number of deaths, the mortality rate and the causes of deaths in patients with sickle cell anemia who were treated and followed up at our institution for 15 years were determined and compared to data available for the Brazilian population. RESULTS: The overall number of deaths was 281 patients with a mortality rate of 16...
January 2018: Revista Brasileira de Hematologia e Hemoterapia
Renato D Lopes, Roberto Rordorf, Gaetano M De Ferrari, Sergio Leonardi, Laine Thomas, Daniel M Wojdyla, Peter Ridefelt, John H Lawrence, Raffaele De Caterina, Dragos Vinereanu, Michael Hanna, Greg Flaker, Sana M Al-Khatib, Stefan H Hohnloser, John H Alexander, Christopher B Granger, Lars Wallentin
BACKGROUND: Digoxin is widely used in patients with atrial fibrillation (AF). OBJECTIVES: The goal of this paper was to explore whether digoxin use was independently associated with increased mortality in patients with AF and if the association was modified by heart failure and/or serum digoxin concentration. METHODS: The association between digoxin use and mortality was assessed in 17,897 patients by using a propensity score-adjusted analysis and in new digoxin users during the trial versus propensity score-matched control participants...
March 13, 2018: Journal of the American College of Cardiology
Mio Takayama, Brian Waters, Hiroshi Fujii, Kenji Hara, Masayuki Kashiwagi, Aya Matsusue, Natsuki Ikematsu, Shin-Ichi Kubo
Based on a prospective case-control study of forensic autopsies, the causes of cocaine (COC)-related sudden death (SD) are cardiovascular events in 62.0% of cases, cerebrovascular events in 14.0%, and others. A forensic autopsy of a male in his early forties revealed subarachnoid hemorrhage (SAH) at the base of the brain. A cerebral arterial aneurysm was not detected even though hemorrhage was clearly observed in the anterior cerebral artery (ACA) bifurcation area. The brain weighed 1488 g and was edematous...
March 2, 2018: Legal Medicine
Kevin J Li, Aaron P Greenstein, Lynn E Delisi
PURPOSE OF REVIEW: To examine the recent literature regarding sudden death in patients with schizophrenia and synthesize salient conclusions based on this evidence. RECENT FINDINGS: Sudden cardiac death (SCD) is the largest subset of sudden unexpected death (SUD), with up to 40% of SUD from cardiovascular causes. SCD has been associated with exposure to both first and second-generation antipsychotics. Clozapine [odds ratio (OR) 3.67, 95% confidence interval (CI) 1...
March 6, 2018: Current Opinion in Psychiatry
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