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Sudden unexplained death

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https://www.readbyqxmd.com/read/28781935/procedures-in-child-deaths-in-the-netherlands-a-comparison-with-child-death-review
#1
Sandra Gijzen, Jessica Petter, Monique P L'Hoir, Magda M Boere-Boonekamp, Ariana Need
AIM: Child Death Review (CDR) is a method in which every child death is systematically and multidisciplinary examined to (1) improve death statistics, (2) identify factors that give direction for prevention, (3) translate the results into possible interventions, and (4) support families. The aim of this study was to determine to what extent procedures of organizations involved in the (health) care for children in The Netherlands cover these four objectives of CDR. SUBJECT AND METHODS: Organizations in the Eastern part of The Netherlands and Dutch umbrella organizations involved in child (health) care were asked to provide their protocols, guidelines or other working agreements that describe their activities and responsibilities in case of a child's death...
2017: Journal of Public Health
https://www.readbyqxmd.com/read/28765766/asystole-in-focal-epilepsy-complicating-a-traumatic-subdural-hematoma
#2
Yuk-Ming Lau, Chi-Hung Lo, Kathy Lai-Fun Lee, Chu-Pak Lau
Ictal asystole due to sinus node suppression is a cause of sudden unexplained death in epilepsy. Here, for the first time, we describe a complete atrioventricular nodal block in a patient with non-compressive traumatic subdural hematoma, who developed ictal asystole as a delayed presentation. A leadless VVI pacemaker (ventricular paced, ventricular sensed, and pacing inhibited in response to a sensed beat) was implanted as a preventive measure against seizure-related heart block.
August 2017: Journal of Arrhythmia
https://www.readbyqxmd.com/read/28752200/retrospective-analysis-of-769-cases-of-sudden-cardiac-death-from-2006-to-2015-a-forensic-experience-in-china
#3
Zijiao Ding, Mingzhen Yang, Yunyun Wang, Shifan Wu, Xingang Qiu, Qian Liu
Sudden cardiac death (SCD) is a major health challenge. The records of 769 autopsy cases of SCD examined at Tongji Medicolegal Expertise Center from January 2006 to December 2015 were retrospectively reviewed. The mean age of the cases was 46 years, excluding 27 victims in whom the exact age could not be confirmed. The highest incidence of SCD occurred among the 40- to 60-year-old group (45.0%). Male preponderance was observed in SCD cases (male: female ratio: 5.0:1), and this preponderance was even higher (8...
July 27, 2017: Forensic Science, Medicine, and Pathology
https://www.readbyqxmd.com/read/28745206/sudden-unexplained-cardiac-deaths-in-young-adults-a-call-for-multidisciplinary-approach
#4
Bartosz Hudzik, Michal Hudzik, Andrzej Lekston, Mariusz Gasior
The investigation of death in young (<35 years), previously fit individuals, calls for a detailed autopsy with emphasis placed upon the examination of the heart. In most instances, the cause of cardiac death can be identified during autopsy. However, a large percentage of sudden deaths remain unexplained even after comprehensive medicolegal investigation, including autopsy, and are labelled as autopsy-negative sudden unexplained cardiac death (SUD). Still, when you look to the law, an autopsy, a much needed truth-finding-instrument, usually is not mandatory and is left up to the discretion of various medical or legal authorities, which when making a decision, balance various, often conflicting interests of the state and society on the one hand and of the deceased and his family on the other...
July 26, 2017: Acta Cardiologica
https://www.readbyqxmd.com/read/28735558/nicotinic-receptor-abnormalities-in-the-cerebellar-cortex-of-sudden-unexplained-fetal-and-infant-death-victims-possible-correlation-with-maternal-smoking
#5
Anna M Lavezzi, Stefano Ferrero, Luca Roncati, Francesco Piscioli, Luigi Matturri, Teresa Pusiol
Nicotinic acetylcholine receptors (nAChRs) are cationic channels of the neuronal cell membrane, differentially expressed in the central nervous system which, when activated by endogenous acetylcholine or exogenous nicotine, are able to enhance cholinergic transmission. The aim of this study was to investigate in human perinatal age the immunohistochemical expression of the α7-nAChR subtype, given its involvement in neuronal differentiation and its significant vulnerability to the toxic effects of nicotine...
July 2017: ASN Neuro
https://www.readbyqxmd.com/read/28706597/an-infrequent-cause-of-apical-ventricular-aneurysm-in-the-united-states
#6
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/28701845/fatal-postoperative-hemolysis-due-to-severe-falciparum-malaria
#7
Amol T Kothekar, Vijaya Patil, Nambiraj Konar, Jigeeshu Divatia
A 60-year-old apparently healthy female patient underwent mastectomy for breast cancer. She had sinus tachycardia and no other abnormal finding in the preoperative period. However, the immediate postoperative course was stormy with the development of anemia, thrombocytopenia, hemolysis, and renal failure with severe metabolic acidosis. Peripheral blood smear revealed the presence of ring forms of Plasmodium falciparum. Multiorgan failure and death occurred within 36 h of surgery in spite of initiation of antimalarial agents...
June 2017: Indian Journal of Critical Care Medicine
https://www.readbyqxmd.com/read/28691204/mortality-with-brainstem-seizures-from-focal-4-aminopyridine-induced-recurrent-hippocampal-seizures
#8
Muhammad Tariqus Salam, Gaspard Montandon, Roman Genov, Orrin Devinsky, Martin Del Campo, Peter L Carlen
OBJECTIVE: Sudden unexplained death in epilepsy is the leading cause of death in young adult epilepsy patients, typically occurring during the early postictal period, presumably resulting from brainstem and cardiorespiratory dysfunction. We hypothesized that ictal discharges in the brainstem disrupt the cardiorespiratory network, causing mortality. To study this hypothesis, we chose an animal model comprising focal unilateral hippocampal injection of 4-aminopyridine (4-AP), which produced focal recurrent hippocampal seizures with secondary generalization in awake, behaving rats...
July 10, 2017: Epilepsia
https://www.readbyqxmd.com/read/28668989/sudden-unexplained-death-in-alcohol-misuse-sudam-patients-have-different-characteristics-to-those-who-died-from-sudden-arrhythmic-death-syndrome-sads
#9
Tracy Sorkin, Mary N Sheppard
There is growing awareness of sudden unexplained death in alcohol misuse (SUDAM) in which there is no obvious cause of death, no evidence of acute alcohol toxicity or alcoholic ketoacidosis, and the heart is morphologically normal. This study describes the characteristics of a cohort with SUDAM from a tertiary cardiovascular referral center and compares the findings with those of individuals who died from sudden arrhythmic death syndrome (SADS). Cases in this retrospective cross-sectional study were identified from a database of referrals to our center spanning approximately 40 years...
July 1, 2017: Forensic Science, Medicine, and Pathology
https://www.readbyqxmd.com/read/28663329/long-qt-syndrome-and-sudden-unexpected-infant-death
#10
EDITORIAL
Chantal Van Niekerk, Barbara Ströh Van Deventer, Lorraine du Toit-Prinsloo
Long QT syndrome (LQTS) is an inheritable primary electric disease of the heart characterised by abnormally long QT intervals and a propensity to develop atrial and ventricular tachyarrhythmias. It is caused by an inherited channelopathy responsible for sudden cardiac death in individuals with structurally normal hearts. Long QT syndrome can present early in life, and some studies suggest that it may be associated with up to 20% of sudden unexplained infant death (SUID), particularly when associated with external stressors such as asphyxia, which is commonly seen in many infant death scenes...
June 29, 2017: Journal of Clinical Pathology
https://www.readbyqxmd.com/read/28629685/sudden-death-in-epilepsy-knowledge-among-pediatric-providers
#11
Madison M Berl, Howard P Goodkin, Barbara L Kroner, Adrian Bumbut, Gardiner Lapham, William Davis Gaillard
A survey of 146 pediatric care providers (PCPs) revealed that 75.3% were unaware that children with epilepsy were at risk of death, specifically from sudden unexpected (or unexplained) death in epilepsy (SUDEP). PCPs assume that the treating neurologist discusses these risks. Increasing PCPs' knowledge of SUDEP will help address the care gap related to informing families about SUDEP.
June 16, 2017: Journal of Pediatrics
https://www.readbyqxmd.com/read/28616646/molecular-genetic-diagnostics-for-ventricular-arrhythmias-and-sudden-cardiac-death-syndromes
#12
B Stallmeyer, S Dittmann, G Seebohm, J Müller, E Schulze-Bahr
Inherited forms of ventricular arrhythmias are rare diseases, but a major cause for severe cardiac events, sudden unexplained death syndromes, and death in young adults, infants, and children. Each disorder is genetically heterogeneous (5-20 genes per disease) and molecular testing may include both core genes and less common disease genes as well. Owing to the rapid development and feasibility of sequencing technologies enabling a parallel analysis of several hundred genes up to a whole exome, disease mutations can be identified very efficiently, but have to be seen in the complexity and natural variance of the human genome...
August 2017: Herz
https://www.readbyqxmd.com/read/28602955/etiological-diagnoses-of-out-of-hospital-cardiac-arrest-survivors-admitted-to-the-intensive-care-unit-insights-from-a-french-registry
#13
Guillaume Geri, Olivier Passouant, Florence Dumas, Wulfran Bougouin, Benoit Champigneulle, Michel Arnaout, Jonathan Chelly, Jean-Daniel Chiche, Olivier Varenne, Lucie Guillemet, Frederic Pène, Victor Waldmann, Jean-Paul Mira, Eloi Marijon, Alain Cariou
BACKGROUND: Respective proportions of final etiologies are disparate in cohorts of cardiac arrest patients, depending on examined population and diagnostic algorithms. In particular, prevalence and characteristics of sudden unexplained death syndrome (SUDS) are debated. We aimed at describing etiologies in a large cohort of aborted out-of-hospital cardiac arrest (OHCA) patients, in order to assess prevalence and outcome of SUDS. PATIENTS AND METHODS: We analyzed data from our prospective registry of successfully resuscitated OHCA patients admitted to a cardiac arrest centre between January 2002 and December 2014...
August 2017: Resuscitation
https://www.readbyqxmd.com/read/28600387/genetic-testing-in-the-evaluation-of-unexplained-cardiac-arrest-from-the-casper-cardiac-arrest-survivors-with-preserved-ejection-fraction-registry
#14
Greg Mellor, Zachary W M Laksman, Rafik Tadros, Jason D Roberts, Brenda Gerull, Christopher S Simpson, George J Klein, Jean Champagne, Mario Talajic, Martin Gardner, Christian Steinberg, Laura Arbour, David H Birnie, Paul Angaran, Richard Leather, Shubhayan Sanatani, Vijay S Chauhan, Colette Seifer, Jeffrey S Healey, Andrew D Krahn
BACKGROUND: Unexplained cardiac arrest may be because of an inherited arrhythmia syndrome. The role of genetic testing in cardiac arrest survivors without a definite clinical phenotype is unclear. METHODS AND RESULTS: The CASPER (Cardiac Arrest Survivors with Preserved Ejection Fraction Registry) is a large registry of cardiac arrest survivors where initial assessment reveals normal coronary arteries, left ventricular function, and resting ECG. Of 375 cardiac arrest survivors in CASPER from 2006 to 2015, 174 underwent genetic testing...
June 2017: Circulation. Cardiovascular Genetics
https://www.readbyqxmd.com/read/28600177/compound-heterozygous-kcnq1-mutations-a300t-p535t-in-a-child-with-sudden-unexplained-death-insights-into-possible-molecular-mechanisms-based-on-protein-modeling
#15
Erika Antúnez-Argüelles, Arturo Rojo-Domínguez, Ana Leticia Arregui-Mena, Leonor Jacobo-Albavera, Manlio Fabio Márquez, Pedro Iturralde-Torres, María Teresa Villarreal-Molina
Sudden death in a child is a devastating event with important medical implications for surviving relatives. Because it may be the first manifestation of unknown inherited cardiac disease, molecular autopsy can be helpful to determine the cause of death and identify at risk family members. The aim of the study was to perform a molecular autopsy in a seven year-old girl with sudden unexplained death, to find evidence supporting the possible pathogenicity of mutations identified in inherited cardiac disease genes, and to clinically and genetically assess first-degree relatives...
September 5, 2017: Gene
https://www.readbyqxmd.com/read/28486839/brugada-syndrome-and-the-story-of-dave
#16
Samira Kashinath Dhamapurkar, Barbara A Wilson, Anita Rose, Gerhard Florschutz
Brugada syndrome (BrS) is a little known genetic condition that causes severe disturbances in cardiac rhythm and may result in sudden unexpected cardiac death in an apparently healthy person. The heart structure is typically normal but there are problems with electrical activity. The syndrome is named after Spanish brothers who are cardiologists, Pedro and Josep Brugada. BrS is the major cause of sudden unexplained death syndrome (SUDS), also known as sudden arrhythmic death syndrome (SADS). Following a description of the syndrome, including its prevalence and incidence, how it is diagnosed and how it can be treated, we consider those who survive a cardiac arrest and what problems they may face...
May 10, 2017: Neuropsychological Rehabilitation
https://www.readbyqxmd.com/read/28482693/risk-factors-for-sudden-cardiac-death-in-childhood-hypertrophic-cardiomyopathy-a-systematic-review-and-meta-analysis
#17
Gabrielle Norrish, Nicoletta Cantarutti, Eleni Pissaridou, Deborah A Ridout, Giuseppe Limongelli, Perry M Elliott, Juan Pablo Kaski
Aims To perform a systematic literature review and meta-analysis of clinical risk factors for sudden cardiac death (SCD) in childhood hypertrophic cardiomyopathy. Methods Medline and PubMed databases were searched for original articles published in English from 1963 through to December 2015 that included patients under 18 years of age with a primary or secondary end-point of either SCD or SCD-equivalent events (aborted cardiac arrest or appropriate implantable cardioverter-defibrillator discharge) or cardiovascular death (CVD)...
January 1, 2017: European Journal of Preventive Cardiology
https://www.readbyqxmd.com/read/28472724/relevance-of-molecular-testing-in-patients-with-a-family-history-of-sudden-death
#18
Silke Kauferstein, Nadine Herz, Stefanie Scheiper, Stephanie Biel, Tina Jenewein, Malte Kunis, Damir Erkapic, Britt-Maria Beckmann, Thomas Neumann
Sudden cardiac death (SCD) is a major cause of death in industrial countries. Although SCD occurs mainly in adults, it may also affect young persons, where genetic cardiac disorders comprise at least half of these cases. This includes primary arrhythmogenic disorders such as long QT syndrome and inherited cardiomyopathies. However, in many cases, postmortem examinations provide no conclusive results explaining the cause of death. Since family members of the deceased may eventually have inherited the same disease, they are at risk of SCD...
April 13, 2017: Forensic Science International
https://www.readbyqxmd.com/read/28452637/incidence-and-etiology-of-sudden-cardiac-death-new-updates-for-athletic-departments
#19
REVIEW
Irfan M Asif, Kimberly G Harmon
CONTEXT: Sudden cardiac death (SCD) in a young athlete is a tragic event and is the leading medical cause of death in this population. The precise incidence of SCD in young athletes has been subject of debate, with studies reporting drastically different rates (1:917,000 athlete-years (AYs) to 1:3000 AYs) depending on the methodological design of the investigation or the targeted population. EVIDENCE ACQUISITION: A literature search was performed in PubMed using the terms: incidence, sudden cardiac death, sudden death, sudden cardiac arrest, etiology, pathology, registry, athlete, young, children, and adolescents...
May 2017: Sports Health
https://www.readbyqxmd.com/read/28450386/update-on-congenital-heart-disease-and-sudden-infant-perinatal-death-from-history-to-future-trends
#20
REVIEW
Giulia Ottaviani, L Maximilian Buja
During the 20th century, expert pathologists contributed an in-depth characterisation of the anatomical pathology and associated pathophysiology of congenital heart disease (CHD). Starting in the 1970s, the reported CHD birth prevalence has been increasing, owing to advances in diagnostic methods. Over the years, surgical treatments have been associated with an enormous reduction of CHD mortality. Advances also have been made in understanding the developmental biology and molecular pathogenesis of CHD. In developed countries, sudden infant death syndrome (SIDS) is the most frequent form of death during the first year of life, with a death rate of 0...
April 27, 2017: Journal of Clinical Pathology
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