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Sudden death syndrome

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https://www.readbyqxmd.com/read/29440504/national-and-state-trends-in-sudden-unexpected-infant-death-1990-2015
#1
Alexa B Erck Lambert, Sharyn E Parks, Carrie K Shapiro-Mendoza
BACKGROUND: Sharp declines in sudden unexpected infant death (SUID) in the 1990s and a diagnostic shift from sudden infant death syndrome (SIDS) to unknown cause and accidental suffocation and strangulation in bed (ASSB) in 1999-2001 have been documented. We examined trends in SUID and SIDS, unknown cause, and ASSB from 1990 to 2015 and compared state-specific SUID rates to identify significant trends that may be used to inform SUID prevention efforts. METHODS: We used data from US mortality files to evaluate national and state-specific SUID rates (deaths per 100 000 live births) for 1990-2015...
February 12, 2018: Pediatrics
https://www.readbyqxmd.com/read/29439887/a-challenge-for-mutation-specific-risk-stratification-in-long-qt-syndrome-type-1
#2
Noriaki Yagi, Hideki Itoh, Takashi Hisamatsu, Yukinori Tomita, Hiromi Kimura, Yusuke Fujii, Takeru Makiyama, Minoru Horie, Seiko Ohno
BACKGROUND: The relationship between mutation locations in KCNQ1 which is a major gene in long QT syndrome (LQTS) and phenotype has been analyzed and used for risk stratification. Mutations in the transmembrane region (TM) or cytoplasmic-loop (C-loop) are associated with more frequent cardiac events than those in other regions. However, accumulation of LQTS type 1 (LQT1) patients poses the question of whether the location specific risk stratification is really effective. METHODS: The study cohort consisted of 67 KCNQ1 mutation carriers and 13 family members who were suspected as having LQTS due to sudden cardiac death or syncope from 36 unrelated families...
February 10, 2018: Journal of Cardiology
https://www.readbyqxmd.com/read/29438849/association-between-histological-alterations-in-the-thymus-and-sudden-infant-death-syndrome
#3
Ivan Varga, Ildikó Bódi, Veronika Mešťanová, Martin Kováč, Martin Klein
INTRODUCTION: Sudden infant death syndrome (SIDS) involves the death of an infant during the first year of life and it is among the leading causes of infant mortality worldwide. One hypothesis regarding the pathogenesis of SIDS is that it results from a combination of three independent factors: endogenous vulnerability, a critical time window during postnatal development, and exogenous stressors. This hypothesis is known as the "triple-risk model". METHODS: In this study, we used an immunohistological approach to compare the cellular microenvironments of thymuses from 19 infants whose sudden death was classified as SIDS and a control group, which consisted of thymuses from age-matched children undergoing surgery for various congenital heart defects...
February 8, 2018: Journal of Forensic and Legal Medicine
https://www.readbyqxmd.com/read/29435603/integration-of-sudden-death-syndrome-resistance-loci-in-the-soybean-genome
#4
REVIEW
Hao-Xun Chang, Mitchell G Roth, Dechun Wang, Silvia R Cianzio, David A Lightfoot, Glen L Hartman, Martin I Chilvers
Complexity and inconsistencies in resistance mapping publications of soybean sudden death syndrome (SDS) result in interpretation difficulty. This review integrates SDS mapping literature and proposes a new nomenclature system for reproducible SDS resistance loci. Soybean resistance to sudden death syndrome (SDS) is composed of foliar resistance to phytotoxins and root resistance to pathogen invasion. There are more than 80 quantitative trait loci (QTL) and dozens of single nucleotide polymorphisms (SNPs) associated with soybean resistance to SDS...
February 12, 2018: TAG. Theoretical and Applied Genetics. Theoretische und Angewandte Genetik
https://www.readbyqxmd.com/read/29429858/-neuropathology-of-sudden-infant-death-syndrome-review-of-the-literature-and-proposal-of-a-protocol-for-neuropathological-examination
#5
Clémence Delteil, David Meyronet, Andre Maues de Paula, Anne Jouvet, Marie-Dominique Piercecchi-Marti
According to the French High Authority for Health, sudden unexpected death in infants (SUDI) is defined as "a sudden death that occurs in an infant, whereas nothing in its known history could have predicted it". This is an exclusion diagnosis. There are great interregional disparities despite the professional recommendations established in February 2007. For the examination of the brain, instructions are not adapted to current and research practice. The role of the pathologist, like anyone involved in SUDI, is to eliminate an abuse head trauma and to determine the cause of death...
February 8, 2018: Annales de Pathologie
https://www.readbyqxmd.com/read/29425541/-spontaneous-coronary-artery-dissection-an-exceptional-cause-of-acute-coronary-syndrome
#6
H Yao, A Ekou, J J N'Djessan, A Zoumenou, I Angoran, R N'Guetta
Spontaneous coronary artery dissection (SCAD) is an uncommon cause of acute coronary syndrome (ACS) or sudden death, which typically affects young women. We reported two cases of black Africans patients, aged 56 and 52 years old, who presented to Abidjan Heart Institute for ACS. Coronary angiography showed spontaneous dissection of the right coronary artery in the first case, and dissection of the distal left anterior descending artery in the second. A conservative approach was preferred. Both patients received antiplatelet agents, beta-blockers, angiotensin converting enzyme inhibitors and statins, with a favorable in-hospital course...
February 2018: Journal de Médecine Vasculaire
https://www.readbyqxmd.com/read/29423392/neurochemical-alterations-in-sudden-unexplained-perinatal-deaths-a-review
#7
REVIEW
Nazeer Muhammad, Muhammad Sharif, Javeria Amin, Riffat Mehboob, Syed Amir Gilani, Nargis Bibi, Hasnain Javed, Naseer Ahmed
Sudden unexpected perinatal collapse is a major trauma for the parents of victims. Sudden infant death syndrome (SIDS) is unexpected and mysterious death of an apparently healthy neonate from birth till 1 year of age without any known causes, even after thorough postmortem investigations. However, the incidence of sudden intrauterine unexplained death syndrome (SIUDS) is seven times higher as compared with SIDS. This observation is approximated 40-80%. Stillbirth is defined as death of a fetus after 20th week of gestation or just before delivery at full term without a known reason...
2018: Frontiers in Pediatrics
https://www.readbyqxmd.com/read/29414256/updated-recommendations-for-athletes-with-heart-disease
#8
Rachel Lampert, Douglas P Zipes
Professional society recommendations to decrease sudden cardiac death in athletes, including eligibility requirements with disqualification for athletes with diagnosed disease as well as preparticipation screening and emergency preparedness, were updated in 2015. The update includes new sections on aortic disease, channelopathies, and sickle cell trait, as well as a change in format from the previous binary yes/no format to the more nuanced and contemporary "class and level of evidence" format. Eighty-four of the 246 recommendations now carry Class II designation-"reasonable," or "may be considered...
January 29, 2018: Annual Review of Medicine
https://www.readbyqxmd.com/read/29413968/current-perspective-osimertinib-induced-qt-prolongation-new-drugs-with-new-side-effects-need-careful-patient-monitoring
#9
Mart Schiefer, Lizza E L Hendriks, Trang Dinh, Ulrich Lalji, Anne-Marie C Dingemans
An increasing number of tyrosine kinase inhibitors (TKIs) are available for the treatment of non-small cell lung cancer (NSCLC). QT prolongation is one of the known, but relatively rare, adverse events of several TKIs (e.g. osimertinib, crizotinib, ceritinib). Screening for QT prolongation in (high risk) patients is advised for these TKIs. When a QT prolongation develops, the physician is challenged with the question whether to (permanently) discontinue the TKI. In this perspective, we report on a patient who developed a grade III QT prolongation during osimertinib (a third-generation epidermal growth factor receptor [EGFR]-TKI) treatment...
March 2018: European Journal of Cancer
https://www.readbyqxmd.com/read/29412302/integrative-literature-review-sleep-patterns-in-infants-attending-nurseries
#10
Ana Carolina Dantas Rocha Cerqueira, Maria Vera Lúcia Moreira Leitão Cardoso, Tamires Rebeca Forte Viana, Márcia Maria Coelho Oliveira Lopes
OBJECTIVE: To identify evidence available in the literature about sleep patterns of infants attending nurseries. METHOD: An integrative review of studies published in Portuguese, English or Spanish available in full text on LILACS, CINAHL, and PubMed databases. The following descriptors sono, lactente and creches or berçários (in Portuguese) and sleep, infant and childcare or nurseries were used for LILACS, CINAHL and Pubmed, respectively. Nine studies were selected and analyzed...
March 2018: Revista Brasileira de Enfermagem
https://www.readbyqxmd.com/read/29407892/the-impact-of-myocardial-bridge-on-coronary-artery-spasm-and-long-term-clinical-outcomes-in-patients-without-significant-atherosclerotic-stenosis
#11
Purumeh Nam, Byoung Geol Choi, Se Yeon Choi, Jae Kyeong Byun, Ahmed Mashaly, Yoonjee Park, Won Young Jang, Woohyeun Kim, Jah Yeon Choi, Eun Jin Park, Jin Oh Na, Cheol Ung Choi, Hong Euy Lim, Eung Ju Kim, Chang Gyu Park, Hong Seog Seo, Dong Joo Oh, Seung-Woon Rha
BACKGROUND AND AIMS: Myocardial bridge (MB) and coronary artery spasm (CAS) can induce a sustained chest pain, acute coronary syndrome (ACS) and even sudden cardiac death. The aim of this study is to evaluate the relationship between MB and CAS and its impact on long-term clinical outcomes. METHODS: A total of 812 patients with MB without significant coronary artery disease (CAD), who underwent acetylcholine (ACH) provocation test, were enrolled. Significant CAS was defined as ≥70% temporary narrowing by ACH test, and MB was defined as the characteristic phasic systolic compression of the coronary artery with a decrease of more than 30% in diameter on the angiogram after intracoronary nitroglycerin infusion...
February 2, 2018: Atherosclerosis
https://www.readbyqxmd.com/read/29405193/-the-forensic-medical-characteristic-of-sudden-death-associated-with-metabolic-syndrome
#12
Yu I Pigolkin, Zh V Dorosheva, N S Oganesyan, D V Gornostaev
The detection of grade II-III central obesity on a corpse in conjunction with the identification of two additional criteria (such as arterial hypertension and impaired glucose tolerance) provides, if combined with the autopsy data (including the visual reduction of muscular mass, the increased total amount of the adipose tissue, gynecomastia in men together with hypertrophied abdominal adipose tissue accumulation, decreased face and body pilosis), a basis for diagnostics of metabolic syndrome (MS). The objective parameters for this purpose are waist circumference measurements, corpse weight and height, the degree of visceral obesity, narrowing of the renal arteries as a result of their compression by the surrounding adipose tissue, and accumulation of epicardial fat confirmed by the results of the biochemical analysis...
2018: Sudebno-meditsinskaia Ekspertiza
https://www.readbyqxmd.com/read/29402692/life-after-surviving-fontan-surgery-a-meta-analysis-of-the-incidence-and-predictors-of-late-death
#13
REVIEW
C L Poh, Y d'Udekem
AIM: We now know that 20-40% of patients with a single ventricle will develop heart failure after the second decade post-Fontan surgery. However, we remain unable to risk-stratify the cohort to identify patients at highest risk of late failure and death. We conducted a systematic review of all reported late outcomes for patients with a Fontan circulation to identify predictors of late death. METHODS: We searched MEDLINE, Embase and PubMed with subject terms ("single ventricle", "Hypoplastic left heart syndrome", "congenital heart defects" or "Fontan procedure") AND ("heart failure", "post-operative complications", "death", "cause of death", "transplantation" or "follow-up studies") for relevant studies between January 1990 and December 2015...
December 20, 2017: Heart, Lung & Circulation
https://www.readbyqxmd.com/read/29397883/relation-of-the-brugada-phenocopy-to-hyperkalemia-from-the-international-registry-on-brugada-phenocopy
#14
Grace Xu, Byron H Gottschalk, Daniel D Anselm, David G Benditt, Ankit Maheshwari, Shiva Sreenivasan, Raed Abu Shama, Gregory Dendramis, Héctor Barajas-Martínez, José Manuel Rubio Campal, Sam G Aznaurov, Adrian Baranchuk
Brugada phenocopies (BrPs) are clinical entities that differ in etiology from true congenital Brugada syndrome but have identical electrocardiographic (ECG) patterns. Hyperkalemia is known to be one of the causes of BrP. The aim of this study was to determine the clinical characteristics and evolution of hyperkalemia-induced BrP. Data from 27 cases of hyperkalemia-induced BrP were collected from the International Registry at www.brugadaphenocopy.com. Data were extracted from publications. Of the 27 patients included in the analysis, 18 (67%) were male; mean age was 53 ± 15 years (range 31 to 89)...
December 29, 2017: American Journal of Cardiology
https://www.readbyqxmd.com/read/29397386/blood-troponin-levels-in-acute-cardiac-events-depends-on-space-weather-activity-components-a-correlative-study
#15
Eliiyahu Stoupel, Richardas Radishauskas, Gailute Bernotiene, Abdonas Tamoshiunas, Daiva Virvichiute
BACKGROUND: Many biological processes are influenced by space weather activity components such as solar activity (SA), geomagnetic activity (GMA) and cosmic ray activity (CRA). Examples are total mortality, acute myocardial infarction (AMI), stroke (cerebrovascular accident), sudden cardiac death, some congenital maladies (congenital heart disease and Down syndrome), many events in neonatology, ophtalmology, blood pressure regulation, blood coagulation, inflammation, etc. The aim of this study was to check if the level of blood troponins (Tns) - markers of myocardial damage and recognized components of modern description of AMI - is connected with the mentioned space weather parameters...
February 5, 2018: Journal of Basic and Clinical Physiology and Pharmacology
https://www.readbyqxmd.com/read/29396286/genetic-variants-in-post-myocardial-infarction-patients-presenting-with-electrical-storm-of-unstable-ventricular-tachycardia
#16
Advithi Rangaraju, Shuba Krishnan, G Aparna, Satish Sankaran, Ashraf U Mannan, B Hygriv Rao
Electrical storm (ES) is a life threatening clinical situation. Though a few clinical pointers exist, the occurrence of ES in a patient with remote myocardial infarction (MI) is generally unpredictable. Genetic markers for this entity have not been studied. In the present study, we carried out genetic screening in patients with remote myocardial infarction presenting with ES by next generation sequencing and identified 25 rare variants in 19 genes predominantly in RYR2, SCN5A, KCNJ11, KCNE1 and KCNH2, CACNA1B, CACNA1C, CACNA1D and desmosomal genes - DSP and DSG2 that could potentially be implicated in electrical storm...
January 30, 2018: Indian Pacing and Electrophysiology Journal
https://www.readbyqxmd.com/read/29394482/factors-associated-with-parental-compliance-with-supine-infant-sleep-an-integrative-review
#17
Kristyn Zundo, Elizabeth A Richards, Azza H Ahmed, Jennifer A Codington
Despite educational programs, sudden infant death syndrome (SIDS) rates remain unacceptably high, especially among low-income and African-American populations. The purpose of this review is to examine reasons for parental noncompliance with supine sleep recommendations. A database search in Cochrane Database of Systematic Reviews, PubMed, EBSCOhost, and CINAHL was conducted using keywords SIDS, prevention and control, parental compliance, nursing, supine position, Back to Sleep campaign, and Safe to Sleep campaign...
March 2017: Pediatric Nursing
https://www.readbyqxmd.com/read/29391825/tramadol-use-in-a-patient-with-brugada-syndrome-and-morphine-allergy-a-case-report
#18
Cengiz Sahutoglu, Seden Kocabas, Fatma Zekiye Askar
Brugada syndrome is a rare syndrome characterized by arrhythmias and sudden death, particularly in younger individuals. A mutation in a gene encoding the human cardiac sodium channels is responsible for this syndrome. In the literature, there are several case reports of Brugada syndrome in association with the use of several anesthetic agents. Herein, we present our anesthetic practice and the use of tramadol in a 75-year-old female patient who underwent pulmonary lobectomy under general anesthesia and was diagnosed with Brugada syndrome...
2018: Journal of Pain Research
https://www.readbyqxmd.com/read/29387326/performance-of-electrophysiologic-study-in-an-asymptomatic-patient-with-type-2-intermittent-brugada-syndrome-to-do-or-not-to-do
#19
Kaveh Hosseini, Mansour Jahangiri, Ali Vasheghani Farahani
Background: Brugada syndrome (BrS) is an inherited channelopathy, which is associated with sudden cardiac death due to rapid polymorphic VT or VF. There is no definite consensus regarding the management of asymptomatic patients. Some experts advocate close follow-up; others propose the programmed stimulation for risk stratification. We aimed to evaluate the benefit of complete atrial and ventricular stimulation in patients with BrS and palpitation. Case Presentation: A 30-year-old man was admitted to our hospital because of a family history of sudden cardiac death (SCD) at age less than 45 years...
2018: Caspian Journal of Internal Medicine
https://www.readbyqxmd.com/read/29384800/cardiac-disorders-in-patients-with-leber-hereditary-optic-neuropathy
#20
Christophe Orssaud
BACKGROUND: Cardiac abnormalities have been described in patients with Leber hereditary optic neuropathy (LHON). Some are life-threatening because of the risk of ventricular fibrillation and sudden death. The purpose of our study was to better characterize the cardiac abnormalities in a large patient cohort with LHON. METHODS: A retrospective study of the electrocardiogram (EKG) results performed on all patients with LHON evaluated at The Reference Center for Rare Diseases in Ophthalmology, Paris, France, from January 2015 to June 2017...
January 30, 2018: Journal of Neuro-ophthalmology: the Official Journal of the North American Neuro-Ophthalmology Society
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