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https://www.readbyqxmd.com/read/28318658/sudden-death-in-athletes
#1
Domenico Corrado, Alessandro Zorzi
Competitive sports activity is associated with an increased risk of sudden cardiovascular death (SCD) in adolescents and young adults with clinically silent cardiovascular disorders. While in middle-aged/senior athletes atherosclerotic coronary artery disease accounts for the vast majority of SCDs, in young athletes the spectrum of substrates is wider and includes inherited (cardiomyopathies) and congenital (anomalous origin of coronary arteries) structural heart diseases. Inherited ion channel diseases have been implicated in SCDs occurring with an apparently normal heart at autopsy...
March 10, 2017: International Journal of Cardiology
https://www.readbyqxmd.com/read/28291666/risk-and-protective-factors-for-sudden-cardiac-death-during-leisure-activities-in-the-mountains-an-update
#2
REVIEW
Martin Burtscher
INTRODUCTION: Annually, more than 100 million tourists with widely varying health and fitness status are attracted by the mountainous areas around the world. Whereas mountaineering activities may contribute to the well established beneficial effects of regular exercise, for certain individuals these activities are also associated with a relatively high risk of death. METHODS: This manuscript presents an updated overview of risk and protective factors for sudden cardiac death during leisure activities in the mountains...
February 28, 2017: Heart, Lung & Circulation
https://www.readbyqxmd.com/read/28291054/progression-of-atherosclerosis-in-hiv-infected-individuals-prospective-data-from-an-asian-cohort
#3
Grace Lui, Ronald Cw Ma, Ping Chook, Chun-Kwok Wong, Claudia Ht Tam, Michael Hm Chan, Shui-Shan Lee, Rity Yk Wong, Catherine Sk Cheung, Kin-Wing Choi, Ping-Chung Leung, Ka-Hing Wong, Kenny Cw Chan, Nelson Lee
BACKGROUND: The magnitude and risk factors of progression of atherosclerosis in Asian HIV-infected individuals were unknown. This study aimed to evaluate: (1) the rate of progression of atherosclerosis in HIV-infected individuals, and (2) metabolic and inflammatory parameters that may predict atherosclerosis progression in HIV-infected individuals in an Asian cohort. SETTING: A prospective, longitudinal study was performed among adults attending an HIV Metabolic clinic in Hong Kong...
March 10, 2017: Journal of Acquired Immune Deficiency Syndromes: JAIDS
https://www.readbyqxmd.com/read/28290854/-cardiovascular-complications-of-rheumatoid-arthritis-prevalence-and-pathogenesis
#4
L B Krougly, O A Fomicheva, Yu A Karpov, T V Popkova, D S Novikova, E L Nasonov
Rheumatoid arthritis (RA) is a chronic inflammatory disease associated with high risk of cardiovascular events. Among main causes of death in RA are: myocardial infarction, cerebrovascular accident, sudden cardiac death, which are determined by the early development and rapid progression of atherosclerotic vascular lesions. According to studies high risk of cardiovascular events is not explained by only classical risk factors. It is assumed that there are additional mechanisms of development of adverse outcomes such as systemic inflammation, increased arterial stiffness, and endothelial dysfunction...
June 2016: Kardiologiia
https://www.readbyqxmd.com/read/28290796/-sudden-cardiac-death-in-patients-with-chronic-obstructive-pulmonary-disease
#5
N A Karoli, A P Rebrov
The article contains review of data on the problem of sudden cardiac death (SCD) in patients with chronic obstructive pulmonary disease (COPD). Large studies have shown that risk of cardiovascular mortality in patients with chronic obstructive pulmonary disease (COPD) is 2-3 times greater than in general population. The incidence of COPD and ischemic heart disease (IHD) progressively rises with age. Combination of these diseases is often observed in clinical practice among patients older than 40 years. According to the population study published in 2015 COPD has been associated with elevated risk of SCD especially in patients with frequent exacerbations within 5 years after diagnosis...
February 2017: Kardiologiia
https://www.readbyqxmd.com/read/28271806/cardiovascular-physiology-and-disease-in-youth-2016
#6
Thomas Rowland
The two articles in the area of cardiovascular physiology and disease in youth were chosen for commentary because of their exploration of new approaches to the diagnosis and management of cardiovascular derangements in young persons. The first, by Hinds et al., describes the potential clinical importance of detection of cardiovascular changes during exercise testing in adolescent athletes following concussions. This approach might prove useful in establishing safe return-to-play guidelines. The second, a review article by Van De Schoor et al, evaluates the frequency of myocardial scarring in athletes, some of adolescent age, which is a recognized risk factor for sudden cardiac death...
February 2017: Pediatric Exercise Science
https://www.readbyqxmd.com/read/28267962/relation-of-prolonged-p-wave-duration-to-risk-of-sudden-cardiac-death-in-the-general-population-from-the-atherosclerosis-risk-in-communities-study
#7
Ankit Maheshwari, Faye L Norby, Elsayed Z Soliman, M Chadi Alraies, Selcuk Adabag, Wesley T O'Neal, Alvaro Alonso, Lin Y Chen
Prolonged P-wave duration, a marker of left atrial abnormality, is associated with myocardial fibrosis, atrial fibrillation, and all-cause death. It is not known if prolonged P-wave duration is associated with sudden cardiac death (SCD) in the general population. We aimed to evaluate whether prolonged P-wave duration is independently associated with SCD risk in the Atherosclerosis Risk in Communities Study, a community-based prospective cohort study. We included 15,321 participants in our analysis (age 54.2 ± 5...
February 9, 2017: American Journal of Cardiology
https://www.readbyqxmd.com/read/28256463/characterization-of-cardiac-arrest-in-the-emergency-department-of-a-brazilian-university-reference-hospital-a-prospective-study
#8
Cassia Regina Vancini-Campanharo, Rodrigo Luiz Vancini, Claudio Andre Barbosa de Lira, Marília Dos Santos Andrade, Maria Carolina Barbosa Teixeira Lopes, Meiry Fernanda Pinto Okuno, Ruth Ester Assayag Batista, Álvaro Nagib Atallah, Aécio Flávio Teixeira de Góis
BACKGROUND & OBJECTIVES: Sudden cardiac arrest (CA) represents one of the greatest challenges for medicine due to the vast number of cases and its social and economic impact. Despite advances in cardiopulmonary resuscitation (CPR) techniques, mortality rates have not significantly decreased over decades. This study was undertaken to characterize patients that have suffered CA and to identify factors related to mortality. METHODS: This prospective study was conducted at Emergency Department of São Paulo Hospital, Brazil...
October 2016: Indian Journal of Medical Research
https://www.readbyqxmd.com/read/28247816/promoting-health-related-quality-of-life-in-patients-with-an-implantable-cardioverter-defibrillator
#9
Florence Wong
Implantable cardioverter defibrillators (ICDs) are an effective treatment to reduce mortality rates in patients who are at risk of sudden cardiac death. However, ICDs have been shown to reduce the patient's mental and physical health-related quality of life. It is essential for nurses to have an understanding of the factors associated with health-related quality of life in patients with ICDs, to develop appropriate strategies to improve patient care and optimise quality of life. A case study is included in this article to enhance understanding of the effects these devices can have on a patient's quality of life...
March 1, 2017: Nursing Standard
https://www.readbyqxmd.com/read/28223004/sudden-cardiac-death-among-hemodialysis-patients
#10
Melissa S Makar, Patrick H Pun
Hemodialysis patients carry a large burden of cardiovascular disease; most onerous is the high risk for sudden cardiac death. Defining sudden cardiac death among hemodialysis patients and understanding its pathogenesis are challenging, but inferences from the existing literature reveal differences between sudden cardiac death among hemodialysis patients and the general population. Vascular calcifications and left ventricular hypertrophy may play a role in the pathophysiology of sudden cardiac death, whereas traditional cardiovascular risk factors seem to have a more muted effect...
February 17, 2017: American Journal of Kidney Diseases: the Official Journal of the National Kidney Foundation
https://www.readbyqxmd.com/read/28222965/ventricular-arrhythmias-and-sudden-death-in-tetralogy-of-fallot
#11
REVIEW
Philippe Maury, Frederic Sacher, Anne Rollin, Pierre Mondoly, Alexandre Duparc, Katja Zeppenfeld, Sebastien Hascoet
Malignant ventricular arrhythmias and sudden cardiac death may late happen in repaired tetralogy of Fallot, although probably less frequently than previously thought, especially with the advent of new surgical techniques/management. Ventricular tachycardias are caused by reentry around the surgical scars/patches and valves. Many predictive factors have been proposed, which suffer from poor accuracy. There is currently no recommended indication for prophylactic implantable cardioverter defibrillator implantation-except maybe in the case of multiple risk factors-while radiofrequncy ablation may be proposed in secondary prevention with or even without a back-up implantable cardioverter defibrillator in selected cases...
February 17, 2017: Archives of Cardiovascular Diseases
https://www.readbyqxmd.com/read/28218213/surgical-treatment-of-double-outlet-right-ventricle-complicated-by-pulmonary-hypertension
#12
Qing-Yu Wu, Dong-Hai Li, Hong-Yin Li, Ming-Kui Zhang, Zhong-Hua Xu, Hui Xue
BACKGROUND: Double outlet right ventricle (DORV) is a group of complex congenital heart abnormalities. Preoperative pulmonary hypertension (PH) is considered an important risk factor for early death during the surgical treatment of DORV. The aim of this study was to report our experience on surgical treatment of DORV complicated by PH. METHODS: From June 2004 to November 2016, 61 patients (36 males and 25 females) aged 2 weeks to 26 years (median: 0.67 years and interquartile range: 0...
February 20, 2017: Chinese Medical Journal
https://www.readbyqxmd.com/read/28209387/associations-of-cardiovascular-and-all-cause-mortality-events-with-oxygen-uptake-at-ventilatory-threshold
#13
Setor K Kunutsor, Sudhir Kurl, Hassan Khan, Francesco Zaccardi, Jari A Laukkanen
BACKGROUND: Oxygen uptake (VO2) at ventilatory threshold (VT), is a cardiopulmonary exercise testing parameter which may be a proxy for peak VO2. We aimed to assess the associations of VO2 at VT with sudden cardiac death (SCD), fatal coronary heart disease (CHD) and cardiovascular disease (CVD), and all-cause mortality. METHODS AND RESULTS: VO2 at VT was assessed during a submaximal exercise test using respiratory gas analyzers in the Kuopio Ischemic Heart Disease cohort of 1639 middle-aged men...
February 10, 2017: International Journal of Cardiology
https://www.readbyqxmd.com/read/28205229/linking-myofilaments-to-sudden-cardiac-death-recent-advances
#14
Sabine Huke
The major goal of this focused review is to highlight some of the open questions and recent advances about how a mutation in a myofilament protein leads to an increased risk for sudden cardiac death (SCD). The link between myofilaments and SCD is known for over 25 years, but identifying mutation carriers at risk for SCD is still a challenge and currently the only effective prevention is implantation of a defibrillator (ICD). In addition to recognized risk factors, other contributing factors need to be considered and assessed, e...
February 16, 2017: Journal of Physiology
https://www.readbyqxmd.com/read/28154006/sudden-cardiac-death-in-patients-with-ischemic-heart-failure-undergoing-coronary-artery-bypass-grafting-results-from-the-surgical-treatment-for-ischemic-heart-failure-stich-randomized-clinical-trial
#15
Meena P Rao, Sana M Al-Khatib, Sean Pokorney, Lilin She, Alexander Romanov, Jose C Nicolau, Kerry L Lee, Peter E Carson, Craig H Selzman, Janina Stepinska, John G F Cleland, Wiwun Tungsubutra, Patrice M Desvigne-Nickens, Carla Sueta, Matthias Siepe, Irene M Lang, Arthur M Feldman, Michael Yii, Jean L Rouleau, Eric J Velazquez
BACKGROUND: -The risk of sudden cardiac death (SCD) in patients with heart failure following CABG has not been examined in a contemporary clinical trial of surgical revascularization. This analysis describes the incidence, timing and clinical predictors of SCD after CABG. METHODS: -Patients enrolled in the Surgical Treatment of Ischemic Heart Failure (STICH) trial who underwent CABG with or without surgical ventricular reconstruction (SVR) were included. We excluded patients with prior ICD and those randomized only to medical therapy...
February 2, 2017: Circulation
https://www.readbyqxmd.com/read/28153995/atrial-fibrillation-and-ventricular-arrhythmias-sex-differences-in-electrophysiology-epidemiology-clinical-presentation-and-clinical-outcomes
#16
Anne M Gillis
Sex-specific differences in the epidemiology, pathophysiology, clinical presentation, clinical treatment, and clinical outcomes of atrial fibrillation (AF), sustained ventricular arrhythmias, and sudden cardiac death are recognized. Sex hormones cause differences in cardiac electrophysiological parameters between men and women that may affect the risk for arrhythmias. The incidence and prevalence of AF is lower in women than in men. However, because women live longer and AF prevalence increases with age, the absolute number of women with AF exceeds that of men...
February 7, 2017: Circulation
https://www.readbyqxmd.com/read/28146053/cardiac-channelopathies-and-sudden-death-recent-clinical-and-genetic-advances
#17
REVIEW
Anna Fernández-Falgueras, Georgia Sarquella-Brugada, Josep Brugada, Ramon Brugada, Oscar Campuzano
Sudden cardiac death poses a unique challenge to clinicians because it may be the only symptom of an inherited heart condition. Indeed, inherited heart diseases can cause sudden cardiac death in older and younger individuals. Two groups of familial diseases are responsible for sudden cardiac death: cardiomyopathies (mainly hypertrophic cardiomyopathy, dilated cardiomyopathy, and arrhythmogenic cardiomyopathy) and channelopathies (mainly long QT syndrome, Brugada syndrome, short QT syndrome, and catecholaminergic polymorphic ventricular tachycardia)...
January 29, 2017: Biology
https://www.readbyqxmd.com/read/28139454/brugada-syndrome-diagnosis-risk-stratification-and-management
#18
REVIEW
Jean-Baptiste Gourraud, Julien Barc, Aurélie Thollet, Hervé Le Marec, Vincent Probst
Brugada syndrome is a rare inherited arrhythmia syndrome leading to an increased risk of sudden cardiac death, despite a structurally normal heart. Diagnosis is based on a specific electrocardiogram pattern, observed either spontaneously or during a sodium channel blocker test. Among affected patients, risk stratification remains a challenge, despite recent insights from large population cohorts. As implantable cardiac defibrillators - the main therapy in Brugada syndrome - are associated with a high rate of complications in this population, the main challenge is risk stratification of patients with Brugada syndrome...
March 2017: Archives of Cardiovascular Diseases
https://www.readbyqxmd.com/read/28138202/treating-an-adolescent-with-long-qt-syndrome-for-bipolar-disorder-a-case-presentation
#19
Özlem Önen, Ayşe Kutlu, Handan Özek Erkuran
OBJECTIVES: Long QT syndrome (LQTS) is described as the development of sudden syncope attacks or death as a result of ventricular tachycardia (VT) episodes that might be observed as elongated QT interval in electrocardiography (ECG). Implantable Cardioverter Defibrillator (ICD) is recommended as first-line treatment for the condition in guidelines. We aimed to present an adolescent recently diagnosed with Bipolar Disorder (BD) who had LQTS that was treated with ICD, discussing her follow up and treatment along with relevant literature...
January 26, 2017: Psychopharmacology Bulletin
https://www.readbyqxmd.com/read/28131609/geriatric-syncope-and-cardiovascular-risk-in-the-emergency-department
#20
Nissa J Ali, Shamai A Grossman
BACKGROUND: Syncope is a transient loss of consciousness that is caused by a brief loss in generalized cerebral blood flow. OBJECTIVE: This article reviews the background, epidemiology, etiologies, evaluation, and disposition considerations of geriatric patients with syncope, with a focus on cardiovascular risk. DISCUSSION: Although syncope is one of the most common symptoms in elderly patients presenting to the emergency department, syncope causes in geriatric patients can present differently than in younger populations, and the underlying etiology is often challenging to discern...
January 25, 2017: Journal of Emergency Medicine
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