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Sudden infant death

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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
#1
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/28729852/towards-better-understanding-of-the-pathogenesis-of-neuronal-respiratory-network-in-sudden-perinatal-death
#2
REVIEW
Riffat Mehboob, Mahvish Kabir, Naseer Ahmed, Fridoon Jawad Ahmad
Sudden perinatal death that includes the victims of sudden infant death syndrome, sudden intrauterine death syndrome, and stillbirth are heartbreaking events in the life of parents. Most of the studies about sudden perinatal death were reported from Italy, highlighting two main etiological factors: prone sleeping position and smoking. Other probable contributory factors are prematurity, male gender, lack of breastfeeding, respiratory tract infections, use of pacifiers, infant botulism, extensive use of pesticides and insecticides, etc...
2017: Frontiers in Neurology
https://www.readbyqxmd.com/read/28728766/assessment-of-safe-sleep-validation-of-the-parent-newborn-sleep-safety-survey
#3
Leanne Whiteside-Mansell, Rosemary Nabaweesi, Alison Rose Caballero, Samantha Hope Mullins, Beverly Kaye Miller, Mary Elizabeth Aitken
PURPOSE: Sudden Infant Death Syndrome (SIDS) and suffocation account for more than half of all Sudden Unexpected Infant Deaths (SUID). The American Academy of Pediatrics (AAP) recommendations describe the safest environments to protect infants. This study compared parent responses on the Newborn Sleep Safety Survey and observational assessments (N=72) of infant sleep environments in families thought to be at high-risk for non-compliance with AAP recommendations. DESIGN AND METHODS: A naturalistic study of participants enrolled in two home visitation support programs was used...
July 2017: Journal of Pediatric Nursing
https://www.readbyqxmd.com/read/28720085/my-child-cannot-breathe-while-sleeping-a-report-of-three-cases-and-review
#4
Won Hee Seo, Minkyu Park, So-Hee Eun, Seonkyeong Rhie, Dae Jin Song, Kyu-Young Chae
BACKGROUND: Sudden breath-holding episodes during sleep in young children are potentially related to sudden infant death syndrome and other life-threatening events. Additionally, these episodes can negatively affect child's growth and development. CASE PRESENTATION: Here, we present 3 cases of preschool children with similar paroxysmal nocturnal waking events associated with choking that had different etiologies (nocturnal frontal lobe epilepsy, nocturnal gastroesophageal reflux disease, and parasomnia, respectively)...
July 18, 2017: BMC Pediatrics
https://www.readbyqxmd.com/read/28717962/comparative-proteome-analysis-for-identification-of-differentially-abundant-proteins-in-sids
#5
Noha El-Kashef, Iva Gomes, Katja Mercer-Chalmers-Bender, Peter M Schneider, Markus A Rothschild, Martin Juebner
Sudden infant death syndrome (SIDS) remains one of the most common causes of post-neonatal infant mortality in developed countries. Its pathogenesis is still poorly understood. The goal of the present study was to characterize changes in the proteome of SIDS compared to age-matched controls in heart and medulla tissues as well as in blood samples using two complementary quantitative proteomic techniques: 2D-DIGE and iTRAQ aiming to provide new insights into the mechanism of SIDS and to find diagnostic protein patterns...
July 17, 2017: International Journal of Legal Medicine
https://www.readbyqxmd.com/read/28707773/sudden-onset-of-pheochromocytoma-multisystem-crisis-at-38%C3%A2-weeks-of-gestation-resulted-in-intrauterine-fetal-death-a-case-report
#6
Jun Iwase, Michiko Yamanaka
A 24-year-old woman at 38 weeks of gestation with no past medical history was transferred to our hospital because of acute onset of severe dyspnea. Her conscious level was E4V2M5 on the Glasgow Coma Scale and she displayed stress cardiomyopathy (Takotsubo cardiomyopathy) with multiple organ failure. Intrauterine fetal death was confirmed. After immediate application of intubated ventilation, percutaneous cardiopulmonary support and hemodialysis, she was diagnosed with pheochromocytoma multisystem crisis. After multidisciplinary team discussion, surgical resection of the left pheochromocytoma was performed on the same day...
July 14, 2017: Journal of Obstetrics and Gynaecology Research
https://www.readbyqxmd.com/read/28701321/pituitary-adenylate-cyclase-activating-polypeptide-pacap-drives-cardiorespiratory-responses-to-heat-stress-in-neonatal-mice
#7
Karlene T Barrett, John Andrew Daubenspeck, Richard J A Wilson
The neuropeptide, pituitary adenylate cyclase-activating polypeptide (PACAP), has emerged as a principal and rate-limiting regulator of physiological stress responses in adult rodents and has been implicated in SIDS (Sudden Infant Death Syndrome). Recent studies show that PACAP plays a role in neonatal cardiorespiratory responses to hypoxia, hypercapnia and hypothermia, but not hyperthermia, which is often associated with SIDS. Here we tested the hypothesis that, consistent with a role in SIDS, PACAP is involved in regulating the neonatal cardiorespiratory responses to severe heat...
July 12, 2017: American Journal of Physiology. Regulatory, Integrative and Comparative Physiology
https://www.readbyqxmd.com/read/28697921/new-frameworks-for-understanding-sudden-unexpected-deaths-in-infancy-sudi-in-socially-vulnerable-families
#8
REVIEW
Rebecca Shipstone, Jeanine Young, Lauren Kearney
THEORETICAL PRINCIPLES: Sociological frameworks may enhance understanding of the complex and multidimensional nature of disadvantage, which is prevalent among families who experience Sudden Unexpected Death in Infancy (SUDI). PHENOMENA ADDRESSED: SUDI is the largest category of postneonatal death and largely associated with the social determinants of health. The highly successful 'Back to Sleep' campaign has resulted in a more than 85% decrease in SUDI. However, social inequalities have accompanied this decrease, and the burden of SUDI now lies with the most disadvantaged and socially vulnerable families...
July 8, 2017: Journal of Pediatric Nursing
https://www.readbyqxmd.com/read/28694200/the-prevention-and-treatment-of-smoking-and-tobacco-use-during-pregnancy-in-selected-indigenous-communities-in-high-income-countries-of-usa-canada-australia-and-new-zealand-an-evidence-based-review
#9
REVIEW
Gillian S Gould, Ling Li Lim, Joerg Mattes
IMPORTANCE: Tobacco smoking during pregnancy is the most important modifiable risk factor for adverse pregnancy outcomes and long-term health complications for mother and bab(ies). Tobacco use during pregnancy has reduced in high-income countries; but not for Indigenous women in Australia, New Zealand, the United States, and Canada. APPROACH/AIM: This evidence-based review focusses on tobacco use among Indigenous pregnant women in high-income countries, who share a history of European colonisation...
July 7, 2017: Chest
https://www.readbyqxmd.com/read/28692430/adherence-to-safe-sleep-recommendations-by-families-with-higher-order-multiples
#10
Madeline C Haas, Donna Dowling, Elizabeth G Damato
BACKGROUND: More than 95% of higher-order multiples are born preterm and more than 90% are low birth weight, making this group of infants especially vulnerable to sudden infant death syndrome (SIDS). Emerging evidence suggests that families with twins face challenges adhering to the American Academy of Pediatrics (AAP) recommendations to reduce SIDS risks. Adherence to the AAP recommendations in families with higher-order multiples has not been described. PURPOSE: This study describes SIDS risk reduction infant care practices for higher-order multiples during the first year of life...
July 13, 2017: Advances in Neonatal Care: Official Journal of the National Association of Neonatal Nurses
https://www.readbyqxmd.com/read/28678413/disseminated-neonatal-herpes-simplex-virus-infection-with-escherichia-coli-coinfection
#11
Kacy Krehbiel, Veena Singh
Neonatal herpes simplex virus (HSV) infection is an uncommon disease that rarely presents as sudden unexpected death of a previously healthy newborn. Clinical manifestations are variable; signs and symptoms may be subtle and nonspecific. Neonatal infection may present with mucocutaneous (skin, eye, and/or mouth), disseminated, or central nervous system disease. Morbidity and mortality are dependent upon disease presentation and treatment. The infection is most frequently transmitted during the peripartum period, although the majority of mothers have no known history of HSV infection at the time of delivery...
July 5, 2017: Journal of Forensic Sciences
https://www.readbyqxmd.com/read/28675564/activation-of-serotonergic-neurons-in-the-medullary-caudal-raphe-shortens-the-laryngeal-chemoreflex-in-anaesthetized-neonatal-rats
#12
William T Donnelly, Luxi Xia, Donald Bartlett, J C Leiter
What is the central question of this study? Does activation of serotonergic neurons in the caudal medullary raphe, some of which project to the nucleus of the solitary tract, shorten the laryngeal chemoreflex? What is the main finding and its importance? We found that serotonin originating from neurons in the caudal raphe acts through a 5-HT3 receptor located in the nucleus of the solitary tract to terminate reflex apnoea. Failure or deficiency of this arousal-related process is likely to be relevant to the pathogenesis of sudden infant death syndrome...
July 3, 2017: Experimental Physiology
https://www.readbyqxmd.com/read/28674018/high-serum-serotonin-in-sudden-infant-death-syndrome
#13
Robin L Haynes, Andrew L Frelinger, Emma K Giles, Richard D Goldstein, Hoa Tran, Harry P Kozakewich, Elisabeth A Haas, Anja J Gerrits, Othon J Mena, Felicia L Trachtenberg, David S Paterson, Gerard T Berry, Khosrow Adeli, Hannah C Kinney, Alan D Michelson
Sudden infant death syndrome (SIDS), the leading cause of postneonatal infant mortality, likely comprises heterogeneous disorders with the common phenotype of sudden death without explanation upon postmortem investigation. Previously, we reported that ∼40% of SIDS deaths are associated with abnormalities in serotonin (5-hydroxytryptamine, 5-HT) in regions of the brainstem critical in homeostatic regulation. Here we tested the hypothesis that SIDS is associated with an alteration in serum 5-HT levels. Serum 5-HT, adjusted for postconceptional age, was significantly elevated (95%) in SIDS infants (n = 61) compared with autopsied controls (n = 15) [SIDS, 177...
July 3, 2017: Proceedings of the National Academy of Sciences of the United States of America
https://www.readbyqxmd.com/read/28669108/novel-genetic-variants-in-bag3-and-tnnt2-in-a-swedish-family-with-a-history-of-dilated-cardiomyopathy-and-sudden-cardiac-death
#14
Eva Fernlund, A Wålinder Österberg, E Kuchinskaya, M Gustafsson, K Jansson, C Gunnarsson
Familial dilated cardiomyopathy is a rare cause of dilated cardiomyopathy (DCM), especially in childhood. Our aim was to describe the clinical course and the genetic variants in a family where the proband was a four-month-old infant presenting with respiratory problems due to DCM. In the family, there was a strong family history of DCM and sudden cardiac death in four generations. DNA was analyzed initially from the deceased girl using next-generation sequencing including 50 genes involved in cardiomyopathy...
July 1, 2017: Pediatric Cardiology
https://www.readbyqxmd.com/read/28663329/long-qt-syndrome-and-sudden-unexpected-infant-death
#15
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/28661937/ambient-temperature-and-sudden-infant-death-syndrome-in-the-united-states
#16
Iny Jhun, Douglas A Mata, Francesco Nordio, Mihye Lee, Joel Schwartz, Antonella Zanobetti
BACKGROUND: Sudden infant death syndrome (SIDS) is a leading cause of infant mortality in the United States. While thermal stress is implicated in many risk factors for SIDS, the association between ambient temperature and SIDS remains unclear. METHODS: We obtained daily individual-level infant mortality data and outdoor temperature data from 1972 to 2006 for 210 United States cities. We applied a time-stratified case-crossover analysis to determine the effect of ambient temperature on the risk of SIDS by season...
June 28, 2017: Epidemiology
https://www.readbyqxmd.com/read/28659555/the-effects-of-temperature-on-the-growth-and-heat-resistance-of-cronobacter-spp
#17
Shigeko Ueda
 The growth and survival of Cronobacter isolates were examined under incubation at different temperatures, and their thermal death behavior was investigated at high temperature conditions of above 50℃. Seventy three strains isolated from fresh vegetables, dried foods and soil were tested: 28 of Cronobacter sakazakii, 5 of C. dublienensis, 27 of C. malonaticus and 13 of C. turicensis. All Cronobacter strains grew and multiplied predominantly at 35 and 44℃ until 16 hours of incubation, but showed poor growth at 15℃, and no growth at 5℃...
2017: Biocontrol Science
https://www.readbyqxmd.com/read/28616646/molecular-genetic-diagnostics-for-ventricular-arrhythmias-and-sudden-cardiac-death-syndromes
#18
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...
June 14, 2017: Herz
https://www.readbyqxmd.com/read/28615326/prenatal-nicotinic-exposure-prolongs-superior-laryngeal-c-fiber-mediated-apnea-and-bradycardia-through-enhancing-neuronal-trpv1-expression-and-excitation
#19
Xiuping Gao, Lei Zhao, Jianguo Zhuang, Na Zang, Fadi Xu
Maternal cigarette smoke, including prenatal nicotinic exposure (PNE), is responsible for sudden infant death syndrome (SIDS). The fatal events of SIDS are characterized by severe bradycardia and life-threatening apneas. Although activation of transient receptor potential vanilloid 1 (TRPV1) of superior laryngeal C-fibers (SLCFs) could induce bradycardia and apnea and has been implicated in SIDS pathogenesis, how PNE affects the SLCF-mediated cardiorespiratory responses remains unexplored. Here, we tested the hypothesis that PNE would aggravate the SLCF-mediated apnea and bradycardia via up-regulating TRPV1 expression and excitation of laryngeal C-neurons in the nodose/jugular (N/J) ganglia...
June 14, 2017: FASEB Journal: Official Publication of the Federation of American Societies for Experimental Biology
https://www.readbyqxmd.com/read/28608686/targeted-metabolic-profiling-of-post-mortem-brain-from-infants-who-died-from-sudden-infant-death-syndrome
#20
Stewart F Graham, Onur Turkoglu, Praveen Kumar, Ali Yilmaz, Trent C Bjorndahl, BeomSoo Han, Rupasri Mandal, David S Wishart, Ray O Bahado-Singh
Currently little is known about the underlying pathophysiology associated with SIDS, and no objective biomarkers exist for the accurate identification of those at greatest risk of dying from SIDS. Using targeted metabolomics, we aim to profile the medulla oblongata of infants who have died from SIDS (n = 16) and directly compare their biochemical profile with age matched controls. Combining data acquired using (1)H NMR and targeted DI-LC-MS/MS, we have identified fatty acid oxidation as a pivotal biochemical pathway perturbed in the brains of those infants who have from SIDS (p = 0...
June 20, 2017: Journal of Proteome Research
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