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sudden death and exercise

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https://www.readbyqxmd.com/read/28424438/using-cardiovascular-imaging-modalities-to-determine-cardiac-disorders-before-starting-sports-activities
#1
Özgür Ceylan, Timur Meşe, Meşe Hazım Gürsu
OBJECTIVE: We re-examined children who had previously been declared eligible to participate in competitive sports activities for cardiac disorders, using cardiac investigation protocol. METHODS: Total of 250 children (224 males [89.6%], and 26 females [10.4%]) between the ages of 8 and 17 years who had just started or were already engaged in sports activities were included in the study. Participants had detailed physical examination evaluated by a pediatric cardiologist...
March 2017: Türk Kardiyoloji Derneği Arşivi: Türk Kardiyoloji Derneğinin Yayın Organıdır
https://www.readbyqxmd.com/read/28408651/disease-severity-and-exercise-testing-reduce-subcutaneous-implantable-cardioverter-defibrillator-left-sternal-ecg-screening-success-in-hypertrophic-cardiomyopathy
#2
Neil T Srinivasan, Kiran H Patel, Kashif Qamar, Amy Taylor, Marco Bacà, Rui Providência, Maria Tome-Esteban, Perry M Elliott, Pier D Lambiase
BACKGROUND: The features of the hypertrophic cardiomyopathy (HCM) ECG make it a challenge for subcutaneous implantable cardioverter-defibrillator (S-ICD) screening. We aimed to investigate the causes of screening failure at rest and on exercise to inform optimal S-ICD ECG vector development. METHODS AND RESULTS: One hundred and thirty-one HCM patients (age, 50±16 years; 92 males and 39 females) with ≥1 HCM risk factor for sudden death underwent S-ICD ECG screening at rest and on exercise...
April 2017: Circulation. Arrhythmia and Electrophysiology
https://www.readbyqxmd.com/read/28400050/sudden-death-of-non-cardiological-origin-during-exercise-the-dysbarism-model
#3
Jordi Desola
No abstract text is available yet for this article.
April 8, 2017: Medicina Clínica
https://www.readbyqxmd.com/read/28382856/postmortem-findings-in-ontario-racehorses-2003-2015
#4
Josepha DeLay
Postmortem lesions and cause of death were evaluated retrospectively for 963 horses examined as part of the Ontario Racing Commission Death Registry over a 13-y period. The Death Registry was established in 2003 to identify factors leading to death or euthanasia of racehorses in this Canadian province. Postmortem examination was carried out on 56% of horses reported to the Death Registry and included Standardbred, Thoroughbred, and American Quarter Horses. Musculoskeletal injury was the most common reason for death associated with racing or training among all racehorses and involved 68% of horses...
April 1, 2017: Journal of Veterinary Diagnostic Investigation
https://www.readbyqxmd.com/read/28379019/-irregular-breathing-during-the-cardiopulmonary-exercise-test-from-mildly-irregular-breathing-pattern-to-periodic-breathing-of-oscillatory-ventilation-type
#5
František Várnay, Leona Mífková, Pavel Homolka, Petr Dobšák
The fluctuating course of tidal volume (VT), breathing frequency (DF) and minute ventilation (VE) during the cardio-pulmonary exercise test using a ramp incremental protocol occurs not only in patients, but relatively frequently also in healthy individuals. It can account for a number of irregularities in the course of the curves VO2, VCO2 and in particular of those of ventilatory equivalents for O2 and CO2 (EQO2, EQCO2) as well as curves of partial pressure of end-tidal oxygen and partial pressure of end-tidal carbon dioxide (PETO2, PETCO2), which are also used, inter alia, to establish ventilatory thresholds...
2017: Vnitr̆ní Lékar̆ství
https://www.readbyqxmd.com/read/28375659/cardiopulmonary-exercise-test-in-hypertrophic-cardiomyopathy
#6
Damiano Magri, Caterina Santolamazza
Understanding the functional limitation in hypertrophic cardiomyopathy, the most common inherited heart disease, is challenging. Beside the occurrence of disease-related complications, several factors are potential determinants of exercise limitation, including left ventricular hypertrophy, myocardial fiber disarray, left ventricular outflow tract obstruction, microvascular ischemia, and interstitial fibrosis. Furthermore, drugs commonly used in the daily management of these patients may interfere with exercise capacity, especially those with a negative chronotropic effect...
April 4, 2017: Annals of the American Thoracic Society
https://www.readbyqxmd.com/read/28373621/sudden-cardiac-death-during-first-time-jogging
#7
Hiromitsu Kurata, Akiko Ishigami, Itsuo Tokunaga, Yasushi Nagasaki, Akiyoshi Nishimura
With increased interest in fitness and health care, jogging has become more popular as an exercise to promote health. However, sudden cardiac death during sports or exercise has also been reported. Some apparently healthy elderly individuals take up sports for both recreation and health improvement based only on completion of a questionnaire, without undergoing medical evaluation. We report the case of a 66-year-old Japanese man who suddenly died of acute ischemic heart disease during first-time jogging. He collapsed an hour after starting...
2017: Journal of Medical Investigation: JMI
https://www.readbyqxmd.com/read/28364778/clinical-and-molecular-findings-in-a-moroccan-family-with-jervell-and-lange-nielsen-syndrome-a-case-report
#8
N Adadi, N Lahrouchi, R Bouhouch, I Fellat, R Amri, M Alders, A Sefiani, C Bezzina, I Ratbi
BACKGROUND: Jervell and Lange-Nielsen syndrome (Online Mendelian Inheritance in Man 220400) is a rare autosomal recessive cardioauditory ion channel disorder that affects 1/200,000 to 1/1,000,000 children. It is characterized by congenital profound bilateral sensorineural hearing loss, a long QT interval, ventricular tachyarrhythmias, and episodes of torsade de pointes on an electrocardiogram. Cardiac symptoms arise mostly in early childhood and consist of syncopal episodes during periods of stress, exercise, or fright and are associated with a high risk of sudden cardiac death...
April 2, 2017: Journal of Medical Case Reports
https://www.readbyqxmd.com/read/28350812/sports-related-sudden-cardiac-deaths-in-the-young-population-of-switzerland
#9
Babken Asatryan, Cristina Vital, Christoph Kellerhals, Argelia Medeiros-Domingo, Christoph Gräni, Lukas D Trachsel, Christian M Schmied, Ardan M Saguner, Prisca Eser, David Herzig, Stephan Bolliger, Katarzyna Michaud, Matthias Wilhelm
BACKGROUND: In Switzerland, ECG screening was first recommended for national squad athletes in 1998. Since 2001 it has become mandatory in selected high-risk professional sports. Its impact on the rates of sports-related sudden cardiac death (SCD) is unknown. OBJECTIVE: We aimed to study the incidence, causes and time trends of sports-related SCD in comparison to SCD unrelated to exercise in Switzerland. METHODS: We reviewed all forensic reports of SCDs of the German-speaking region of Switzerland in the age group of 10 to 39 years, occurring between 1999 and 2010...
2017: PloS One
https://www.readbyqxmd.com/read/28318658/sudden-death-in-athletes
#10
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/28316113/the-utility-of-exercise-testing-in-risk-stratification-of-asymptomatic-patients-with-type-1-brugada-pattern
#11
Muthiah Subramanian, Mukund A Prabhu, Madhavankutty Santhakumari Harikrishnan, Saritha S Shekhar, Praveen G Pai, Kumaraswamy Natarajan
INTRODUCTION: Risk stratification of asymptomatic patients with a Brugada type 1 ECG pattern remains an unresolved clinical conundrum. In contrast to provocative pharmacological testing in Brugada syndrome, there is limited data on the role of exercise stress testing as a risk stratification modality. The objective of this study was to evaluate the utility of exercise testing in asymptomatic patients with type 1 Brugada pattern to prognosticate major arrhythmic events (MAE) during follow-up...
March 18, 2017: Journal of Cardiovascular Electrophysiology
https://www.readbyqxmd.com/read/28306757/effect-of-moderate-intensity-exercise-training-on-peak-oxygen-consumption-in-patients-with-hypertrophic-cardiomyopathy-a-randomized-clinical-trial
#12
Sara Saberi, Matthew Wheeler, Jennifer Bragg-Gresham, Whitney Hornsby, Prachi P Agarwal, Anil Attili, Maryann Concannon, Annika M Dries, Yael Shmargad, Heidi Salisbury, Suwen Kumar, Jonathan Herrera, Jonathan Myers, Adam S Helms, Euan A Ashley, Sharlene M Day
Importance: Formulating exercise recommendations for patients with hypertrophic cardiomyopathy is challenging because of concern about triggering ventricular arrhythmias and because a clinical benefit has not been previously established in this population. Objective: To determine whether moderate-intensity exercise training improves exercise capacity in adults with hypertrophic cardiomyopathy. Design, Setting, and Participants: A randomized clinical trial involving 136 patients with hypertrophic cardiomyopathy was conducted between April 2010 and October 2015 at 2 academic medical centers in the United States (University of Michigan Health System and Stanford University Medical Center)...
April 4, 2017: JAMA: the Journal of the American Medical Association
https://www.readbyqxmd.com/read/28293624/excessive-exercise-habits-in-marathoners-as-novel-indicators-of-masked-hypertension
#13
Young-Joo Kim, Yongbum Park, Duk-Ho Kang, Chul-Hyun Kim
Background. Excessive exercise such as marathon running increases the risk of cardiovascular events that may be related to myocardial infarction and sudden death. We aimed to investigate that the exercise characteristics can be used as a novel indicator of masked hypertension. Methods. A total of 571 middle-aged recreational male marathoners were assigned to a high blood pressure group (HBPG; n = 214) or a normal blood pressure group (NBPG; n = 357). A graded exercise test was used to examine the hemodynamic response and cardiac events, and the personal exercise characteristics were recorded...
2017: BioMed Research International
https://www.readbyqxmd.com/read/28291666/risk-and-protective-factors-for-sudden-cardiac-death-during-leisure-activities-in-the-mountains-an-update
#14
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/28287681/the-preparticipation-physical-evaluation
#15
Patrick J Lehman, Rebecca L Carl
With rising rates of sports participation among children and adolescents, pediatricians are increasingly being called upon to perform preparticipation physical evaluations (PPEs) for young athletes. The purpose of this review article is to discuss the general structure of a comprehensive PPE and how the PPE differs from a typical health maintenance visit. The PPE focuses attention on screening for cardiac conditions that predispose athletes to sudden cardiac death with exercise. This review also addresses the debate over whether electrocardiogram screening should be a routine required part of the PPE...
March 1, 2017: Pediatric Annals
https://www.readbyqxmd.com/read/28282353/the-use-of-echocardiograms-in-preparticipation-examinations
#16
Caroline Lucas, Deanna L Kerkhof, Jacilyn E Briggs, Gianmichel D Corrado
Sudden cardiac death (SCD) is the leading cause of death during exercise in young athletes. Preparticipation physical examinations were developed to maintain the health and safety of athletes, including the prompt identification of those at risk for SCD. The use of medical history and physical examinations, electrocardiography, and echocardiography, or some combination thereof, is the source of continued debate. This article provides an overview of the etiology of SCD and reviews literature relating to preparticipation echocardiography, with a focus on its evolution, utility, and effectiveness...
March 2017: Current Sports Medicine Reports
https://www.readbyqxmd.com/read/28271806/cardiovascular-physiology-and-disease-in-youth-2016
#17
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/28267896/treatment-of-supraventricular-tachycardia-in-a-horse
#18
Dorothy D Whelchel, Brett S Tennent-Brown, Amanda E Coleman, Gregg S Rapoport, Uriel Blas-Machado, Herbert W Maisenbacher, Brenton C Credille, Steeve Giguère
OBJECTIVE: To describe the treatment of persistent supraventricular tachycardia (SVT) in a young horse in endurance training. CASE SUMMARY: A 6-year-old Arab gelding in endurance training presented for a dysrhythmia and decreased performance. SVT was diagnosed and conversion to a normal sinus rhythm was achieved following administration of a constant rate infusion of amiodarone. However, reversion to SVT occurred shortly after initiation of ridden exercise. A second attempt to convert the dysrhythmia with amiodarone failed, but normal sinus rhythm was achieved with transvenous electrical cardioversion (TVEC)...
March 7, 2017: Journal of Veterinary Emergency and Critical Care
https://www.readbyqxmd.com/read/28255936/sudden-arrhythmic-death-during-exercise-a-post-mortem-genetic-analysis
#19
Oscar Campuzano, Olallo Sanchez-Molero, Anna Fernandez, Irene Mademont-Soler, Monica Coll, Alexandra Perez-Serra, Jesus Mates, Bernat Del Olmo, Ferran Pico, Laia Nogue-Navarro, Georgia Sarquella-Brugada, Anna Iglesias, Sergi Cesar, Esther Carro, Juan Carlos Borondo, Josep Brugada, Josep Castellà, Jordi Medallo, Ramon Brugada
BACKGROUND: Sudden cardiac death is a natural and unexpected death that occurs within 1 h of the first symptom. Most sudden cardiac deaths occur during exercise, mostly as a result of myocardial infarction. After autopsy, some cases, especially in the young, are diagnosed as cardiomyopathies or remain without a conclusive cause of death. In both situations, genetic alterations may explain the arrhythmia. OBJECTIVE: Our aim was to identify a genetic predisposition to sudden cardiac death in a cohort of post-mortem cases of individuals who died during exercise, with a structurally normal heart, and were classified as arrhythmogenic death...
March 3, 2017: Sports Medicine
https://www.readbyqxmd.com/read/28229200/-current-impact-of-cardiac-implantable-electronic-devices
#20
J Kuschyk, B Rudic, M Borggrefe, I Akin
Sudden cardiac death and chronic heart failure are among the main contributors to persisting high mortality rates in Germany. In addition to removal of causal factors and guideline-conform pharmacological therapy, therapy with cardiac implantable electronic devices (CIED) is of undisputed importance. Subcutaneous defibrillators have the advantage that they do not have intracardiac electrodes but still have the same efficacy and safety. For patients with a wide QRS complex and reduced ejection fraction, cardiac resynchronization has led to a reduction of morbidity and mortality...
February 22, 2017: Herz
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