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Sudden unexplained death

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https://www.readbyqxmd.com/read/27910804/sudden-cardiac-death-a-nationwide-cohort-study-among-the-young
#1
Bjarke Risgaard
Sudden cardiac death (SCD) is a tragic event affecting millions of individuals worldwide. Although several studies have investigated the epidemiology of SCD, these studies may have been affected by reporting and referral biases, which are reflected in the very different incidence rates and causes of deaths that have previously been reported. Among SCD victims aged < 36 years, inherited cardiac diseases are well known to play an important role. However, the extent to which inherited cardiac diseases also play a role in SCD victims aged < 50 years has not been completely described...
December 2016: Danish Medical Journal
https://www.readbyqxmd.com/read/27891698/vaccination-and-unexplained-sudden-death-risk-in-taiwanese-infants
#2
Wan-Ting Huang, Robert T Chen, Yu-Chen Hsu, John W Glasser, Philip H Rhodes
PURPOSE: In March 1992, eight infants who had died within 36 hours of receiving whole-cell pertussis vaccine (diphtheria, tetanus, and whole-cell pertussis [DTwP]) prompted the Taiwan health authorities to suspend its use. We conducted an investigation of vaccination and sudden unexplained infant death (SUID) and repeated it more recently after Taiwan switched to acellular pertussis vaccine (diphtheria, tetanus, and acellular pertussis [DTaP]) in 2010. METHODS: All SUIDs aged 31-364 days during 1990-1992 and 1996-2013 were selected from the death registration databases...
November 28, 2016: Pharmacoepidemiology and Drug Safety
https://www.readbyqxmd.com/read/27879323/issues-and-challenges-in-diagnostic-sequencing-for-inherited-cardiac-conditions
#3
REVIEW
Roddy Walsh, Stuart A Cook
BACKGROUND: Inherited cardiac conditions are a relatively common group of Mendelian diseases associated with ill health and death, often in the young. Research into the genetic causes of these conditions has enabled confirmatory and predictive diagnostic sequencing to become an integral part of the clinical management of inherited cardiomyopathies, arrhythmias, aortopathies, and dyslipidemias. CONTENT: Currently, the principle benefit of clinical genetic testing is the cascade screening of family members of patients with a pathogenic variant, enabling targeted follow up of presymptomatic genotype-positive individuals and discharge of genotype-negative individuals to health...
November 22, 2016: Clinical Chemistry
https://www.readbyqxmd.com/read/27864903/long-term-monitoring-of-cardiorespiratory-patterns-in-drug-resistant-epilepsy
#4
Daniel M Goldenholz, Amanda Kuhn, Alison Austermuehle, Martin Bachler, Christopher Mayer, Siegfried Wassertheurer, Sara K Inati, William H Theodore
OBJECTIVE: Sudden unexplained death in epilepsy (SUDEP) during inpatient electroencephalography (EEG) monitoring has been a rare but potentially preventable event, with associated cardiopulmonary markers. To date, no systematic evaluation of alarm settings for a continuous pulse oximeter (SpO2 ) has been performed. In addition, evaluation of the interrelationship between the ictal and interictal states for cardiopulmonary measures has not been reported. METHODS: Patients with epilepsy were monitored using video-EEG, SpO2 , and electrocardiography (ECG)...
November 16, 2016: Epilepsia
https://www.readbyqxmd.com/read/27792993/abnormal-autonomic-nervous-system-function-in-rural-thai-men-a-potential-contributor-to-their-high-risk-of-sudden-unexplained-nocturnal-death-syndrome
#5
Raoyrin Chanavirut, Terdthai Tong-Un, Dusit Jirakulsomchok, J Michael Wyss, Sanya Roysommuti
BACKGROUND: Rural compared to urban Thai populations have a higher incidence of sudden unexplained nocturnal death syndrome (SUNDS). This study tests the hypothesis that compared to young urban Thai men, the young rural northeast Thai men display autonomic system dysfunction that may contribute to their relatively high risk to develop SUNDS. METHODS: Forty-seven healthy second and third year students from Khon Kaen University (20-22years old) were divided into central, urban northeastern, and rural northeastern groups, based on the locality in which they had grown up and in which their parents had lived prior to their birth...
October 4, 2016: International Journal of Cardiology
https://www.readbyqxmd.com/read/27787326/the-economical-furnishing-and-equipment-of-children-s-hospitals-or-wards
#6
(no author information available yet)
: Editor's note: From its first issue in 1900 through to the present day, AJN has unparalleled archives detailing nurses' work and lives over more than a century. These articles not only chronicle nursing's growth as a profession within the context of the events of the day, but they also reveal prevailing societal attitudes about women, health care, and human rights. Today's nursing school curricula rarely include nursing's history, but it's a history worth knowing. To this end, From the AJN Archives highlights articles selected to fit today's topics and times...
November 2016: American Journal of Nursing
https://www.readbyqxmd.com/read/27787325/an-evidence-based-infant-safe-sleep-program-to-reduce-sudden-unexplained-infant-deaths
#7
Whitney Zachritz, Megan Fulmer, Nicole Chaney
: : Objective: The purpose of this project was to design, implement, and evaluate a safe sleep program for expectant mothers and the families of infants discharged from our hospital's neonatal intensive care unit (NICU). It was prompted by the sleep-related deaths of two infants in the community, both of whom had been discharged from our NICU. METHODS: A six-member interdisciplinary team comprising nurses, a physician, an occupational therapist, and a respiratory therapist developed a safe sleep program in an effort to identify and implement evidence-based safe sleep practices for infants in the NICU...
November 2016: American Journal of Nursing
https://www.readbyqxmd.com/read/27761159/molecular-autopsy-in-victims-of-inherited-arrhythmias
#8
Christopher Semsarian, Jodie Ingles
Sudden cardiac death (SCD) is a rare but devastating complication of a number of underlying cardiovascular diseases. While coronary artery disease and acute myocardial infarction are the most common causes of SCD in older populations, inherited cardiac disorders comprise a substantial proportion of SCD cases aged less than 40 years. Inherited cardiac disorders include primary inherited arrhythmogenic disorders such as familial long QT syndrome (LQTS), Brugada syndrome (BrS), catecholaminergic polymorphic ventricular tachycardia (CPVT), and inherited cardiomyopathies, most commonly hypertrophic cardiomyopathy (HCM)...
October 2016: Journal of Arrhythmia
https://www.readbyqxmd.com/read/27719691/a-survey-of-paediatricians-on-the-use-of-electrocardiogram-for-pre-participation-sports-screening
#9
Angira Patel, Gregory Webster, Kendra Ward, John Lantos
: Aim The aim of the present study was to determine general paediatrician knowledge, practices, and attitudes towards electrocardiogram (ECG) screening in school athletes during pre-participation screening exam (PPSE). METHODS: Paediatricians affiliated with a tertiary children's hospital completed a survey about ECGs for PPSE. RESULTS: In total, 205/498 (41%) responded; 92% of the paediatricians did not include an ECG as part of PPSE; 56% were aware of a case in which a student athlete in their own community had died of sudden unexplained death; 4% had an athlete in their practice die...
October 10, 2016: Cardiology in the Young
https://www.readbyqxmd.com/read/27709109/defining-sudden-infant-death-and-sudden-intrauterine-unexpected-death-syndromes-with-regard-to-anatomo-pathological-examination
#10
Giulia Ottaviani
Crib death, or sudden infant death syndrome (SIDS), is the most frequent form of death in the first year of life, striking one baby in every 1,700-2,000. Yet, despite advances in maternal-infant care, sudden intrauterine unexplained/unexpected death syndrome (SIUDS) has a sixfold to eightfold greater incidence than that of SIDS. Frequent congenital abnormalities, likely morphological substrates for SIDS-SIUDS, were detected, mainly represented by alterations of the cardiac conduction system, such as accessory pathways and abnormal resorptive degeneration, and hypoplasia/agenesis of the vital brainstem structures...
2016: Frontiers in Pediatrics
https://www.readbyqxmd.com/read/27707468/does-sudden-unexplained-nocturnal-death-syndrome-remain-the-autopsy-negative-disorder-a-gross-microscopic-and-molecular-autopsy-investigation-in-southern-china
#11
Liyong Zhang, David J Tester, Di Lang, Yili Chen, Jinxiang Zheng, Rui Gao, Robert F Corliss, Shuangbo Tang, John W Kyle, Chao Liu, Michael J Ackerman, Jonathan C Makielski, Jianding Cheng
OBJECTIVE: To look for previously unrecognized cardiac structural abnormalities and address the genetic cause for sudden unexplained nocturnal death syndrome (SUNDS). METHODS: Data for 148 SUNDS victims and 444 controls (matched 1:3 on sex, race, and age of death within 1 year) were collected from Sun Yat-sen University from January 1, 1998, to December 31, 2014, to search morphological changes. An additional 17 patients with Brugada syndrome (BrS) collected from January 1, 2006, to December 31, 2014, served as a comparative disease cohort...
November 2016: Mayo Clinic Proceedings
https://www.readbyqxmd.com/read/27698338/alacrima-as-a-harbinger-of-adrenal-insufficiency-in-a-child-with-allgrove-aaa-syndrome
#12
Brande Brown, Levon Agdere, Cornelia Muntean, Karen David
BACKGROUND Allgrove syndrome, or triple "A" syndrome (3A syndrome), is a rare autosomal recessive syndrome with variable phenotype, and an estimated prevalence of 1 per 1,000,000 individuals. Patients usually display the triad of achalasia, alacrima, and adrenocorticotropin (ACTH) insensitive adrenal insufficiency, though the presentation is inconsistent. CASE REPORT Here, the authors report a case of Allgrove syndrome in a pediatric patient with delayed diagnosis in order to raise awareness of this potentially fatal disease as a differential diagnosis of alacrima...
October 4, 2016: American Journal of Case Reports
https://www.readbyqxmd.com/read/27692971/incidence-and-etiology-of-sudden-cardiac-arrest-and-death-in-high-school-athletes-in-the-united-states
#13
Kimberly G Harmon, Irfan M Asif, Joseph J Maleszewski, David S Owens, Jordan M Prutkin, Jack C Salerno, Monica L Zigman, Rachel Ellenbogen, Ashwin L Rao, Michael J Ackerman, Jonathan A Drezner
OBJECTIVE: To determine the incidence and etiology of sudden cardiac arrest and death (SCA/D) in US high school athletes. PATIENTS AND METHODS: A prospective media database of SCA/D was queried for cases aged 14 to 18 years from 7 states over 6 school years (September 1, 2007, to August 30, 2013). Event details were investigated to determine participation on a high school athletic team, sex, sport, and occurrence during school-sponsored activity or exertion. National sports participation numbers were used and a conversion factor was applied to account for multisport athletes...
November 2016: Mayo Clinic Proceedings
https://www.readbyqxmd.com/read/27692676/sudden-death-and-cardiac-arrest-without-phenotype-the-utility-of-genetic-testing
#14
Yanushi D Wijeyeratne, Elijah R Behr
Approximately 4% of sudden cardiac deaths are unexplained [the sudden arrhythmic death syndrome (SADS)], and up to 6-10% of survivors of cardiac arrest do not have an identifiable cardiac abnormality after comprehensive clinical evaluation [idiopathic ventricular fibrillation (IVF)]. Genetic testing may be able to play a role in diagnostics and can be targeted to an underlying phenotype present in family members following clinical evaluation. Alternatively, post-mortem genetic testing (the "molecular autopsy") may diagnose the underlying cause if a clearly pathogenic rare variant is found...
August 31, 2016: Trends in Cardiovascular Medicine
https://www.readbyqxmd.com/read/27665048/sudden-cardiac-death-a-reappraisal
#15
REVIEW
Christian Steinberg, Zachary W M Laksman, Andrew D Krahn
Sudden cardiac death (SCD) is still among the leading causes of death in women and men, accounting for over 50% of all fatal cardiovascular events in the United States. Two arrhythmia mechanisms of SCD can be distinguished as follows: shockable rhythms (ventricular fibrillation and pulseless ventricular tachycardia) and non-shockable rhythms including asystole or pulseless electrical activity. The overall prognosis of cardiac arrest due to shockable rhythms is significantly better. While the majority of SCDs is attributed to coronary artery disease or other structural heart disease, no obvious cause can be identified in 5% of all events, and those events are labeled as sudden unexplained deaths (SUD)...
November 2016: Trends in Cardiovascular Medicine
https://www.readbyqxmd.com/read/27650965/genetic-investigation-of-100-heart-genes-in-sudden-unexplained-death-victims-in-a-forensic-setting
#16
Sofie Lindgren Christiansen, Christin Løth Hertz, Laura Ferrero-Miliani, Morten Dahl, Peter Ejvin Weeke, LuCamp, Gyda Lolk Ottesen, Rune Frank-Hansen, Henning Bundgaard, Niels Morling
In forensic medicine, one-third of the sudden deaths remain unexplained after medico-legal autopsy. A major proportion of these sudden unexplained deaths (SUD) are considered to be caused by inherited cardiac diseases. Sudden cardiac death (SCD) may be the first manifestation of these diseases. The purpose of this study was to explore the yield of next-generation sequencing of genes associated with SCD in a cohort of SUD victims. We investigated 100 genes associated with cardiac diseases in 61 young (1-50 years) SUD cases...
September 21, 2016: European Journal of Human Genetics: EJHG
https://www.readbyqxmd.com/read/27635072/cardiac-abnormalities-in-first-degree-relatives-of-unexplained-cardiac-arrest-victims-a-report-from-the-cardiac-arrest-survivors-with-preserved-ejection-fraction-registry
#17
Christian Steinberg, Gareth J Padfield, Jean Champagne, Shubhayan Sanatani, Paul Angaran, Jason G Andrade, Jason D Roberts, Jeffrey S Healey, Vijay S Chauhan, David H Birnie, Mikyla Janzen, Brenda Gerull, George J Klein, Richard Leather, Christopher S Simpson, Colette Seifer, Mario Talajic, Martin Gardner, Andrew D Krahn
BACKGROUND: Unexplained cardiac arrest (UCA) may be explained by inherited arrhythmia syndromes. The Cardiac Arrest Survivors With Preserved Ejection Fraction Registry prospectively assessed first-degree relatives of UCA or sudden unexplained death victims to screen for cardiac abnormalities. METHODS AND RESULTS: Around 398 first-degree family members (186 UCA, 212 sudden unexplained death victims' relatives; mean age, 44±17 years) underwent extensive cardiac workup, including ECG, signal averaged ECG, exercise testing, cardiac imaging, Holter-monitoring, and selective provocative drug testing with epinephrine or procainamide...
September 2016: Circulation. Arrhythmia and Electrophysiology
https://www.readbyqxmd.com/read/27634962/serotonin-receptors-in-the-medulla-oblongata-of-the-human-fetus-and-infant-the-analytic-approach-of-the-international-safe-passage-study
#18
Robin L Haynes, Rebecca D Folkerth, David S Paterson, Kevin G Broadbelt, S Dan Zaharie, Richard H Hewlett, Johan J Dempers, Elsie Burger, Shabbir Wadee, Pawel Schubert, Colleen Wright, Mary Ann Sens, Laura Nelsen, Bradley B Randall, Hoa Tran, Elaine Geldenhuys, Amy J Elliott, Hein J Odendaal, Hannah C Kinney
The Safe Passage Study is an international, prospective study of approximately 12 000 pregnancies to determine the effects of prenatal alcohol exposure (PAE) upon stillbirth and the sudden infant death syndrome (SIDS). A key objective of the study is to elucidate adverse effects of PAE upon binding to serotonin (5-HT) 1A receptors in brainstem homeostatic networks postulated to be abnormal in unexplained stillbirth and/or SIDS. We undertook a feasibility assessment of 5-HT1A receptor binding using autoradiography in the medulla oblongata (6 nuclei in 27 cases)...
September 15, 2016: Journal of Neuropathology and Experimental Neurology
https://www.readbyqxmd.com/read/27625632/negative-role-of-the-environmental-endocrine-disruptors-in-the-human-neurodevelopment
#19
Luca Roncati, Veronica Termopoli, Teresa Pusiol
The endocrine disruptors (EDs) are able to influence the endocrine system, mimicking or antagonizing hormonal molecules. They are bio-persistent for their degradation resistance in the environment. Our research group has investigated by gas chromatography-mass spectrometry (GC-MS) the EDs presence in 35 brain samples, coming from 27 cases of sudden intrauterine unexplained death syndrome (SIUDS) and 8 cases of sudden infant death syndrome (SIDS), collected by centralization in the last year (2015). More in detail, a mixture of 25 EDs has been subjected to analytical procedure, following standard protocols...
2016: Frontiers in Neurology
https://www.readbyqxmd.com/read/27612489/hippocampal-formation-maldevelopment-and-sudden-unexpected-death-across-the-pediatric-age-spectrum
#20
Hannah C Kinney, Annapurna H Poduri, Jane B Cryan, Robin L Haynes, Lisa Teot, Lynn A Sleeper, Ingrid A Holm, Gerald T Berry, Sanjay P Prabhu, Simon K Warfield, Catherine Brownstein, Harry S Abram, Michael Kruer, Walter L Kemp, Beata Hargitai, Joanne Gastrang, Othon J Mena, Elisabeth A Haas, Roya Dastjerdi, Dawna D Armstrong, Richard D Goldstein
Sudden infant death syndrome (SIDS) and sudden unexplained death in childhood (SUDC) are defined as sudden death in a child remaining unexplained despite autopsy and death scene investigation. They are distinguished from each other by age criteria, i.e. with SIDS under 1 year and SUDC over 1 year. Our separate studies of SIDS and SUDC provide evidence of shared hippocampal abnormalities, specifically focal dentate bilamination, a lesion classically associated with temporal lobe epilepsy, across the 2 groups...
September 9, 2016: Journal of Neuropathology and Experimental Neurology
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