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Sudden infant death

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https://www.readbyqxmd.com/read/28416458/on-the-origins-of-sex-based-differences-in-respiratory-disorders-lessons-and-hypotheses-from-stress-neuroendocrinology-in-developing-rats
#1
REVIEW
Jean-Philippe Rousseau, Luana Tenorio-Lopes, Cécile Baldy, Tara Adele Janes, Stéphanie Fournier, Richard Kinkead
The environment plays a critical role in shaping development and function of the brain. Stress, especially when experienced early in life, can interfere with these processes. In the context of respiratory control, perinatal stress can therefore alter the ability to achieve the "fine-tuning" necessary for proper detection of chemosensory stimuli and production of an adequate motor (respiratory) command. Depending on the timing, intensity, and duration, the detrimental consequences of perinatal exposure to adverse conditions on the respiratory network become manifest at various life stages and can persist into adulthood...
April 14, 2017: Respiratory Physiology & Neurobiology
https://www.readbyqxmd.com/read/28394766/risks-and-benefits-of-swaddling-healthy-infants-an-integrative-review
#2
Antonia M Nelson
BACKGROUND: Swaddling has been practiced since antiquity; however, there is controversy about its safety. OBJECTIVES: The purpose of this review is to update and build upon previous reviews and synthesize evidence on risks and benefits of swaddling in healthyterm, near-term, or older infants. DATA SOURCES: MEDLINE (1960-May 13, 2016) and CINAHL (1963-May 13, 2016) searches were conducted, relevant articles retrieved, and citation lists reviewed for other references...
April 7, 2017: MCN. the American Journal of Maternal Child Nursing
https://www.readbyqxmd.com/read/28392470/pituitary-adenylate-cyclase-activating-polypeptide-pacap-and-its-receptor-1-pac1-in-the-human-infant-brain-and-changes-in-the-sudden-infant-death-syndrome-sids
#3
J Huang, K A Waters, R Machaalani
Pituitary adenylate cyclase activating polypeptide (PACAP) and its complementary receptor, PAC1, are crucial in central respiratory control. PACAP Knockout (KO) mice exhibit a SIDS-like phenotype, with an inability to overcome noxious insults, compression of baseline ventilation, and death in the early post-neonatal period. PAC1 KO demonstrate similar attributes to PACAP-null mice, but with the addition of increased pulmonary artery pressure, consequently leading to heart failure and death. This study establishes a detailed interpretation of the neuroanatomical distribution and localization of both PACAP and PAC1 in the human infant brainstem and hippocampus, to determine whether any changes in expression are evident in infants who died of Sudden Infant Death Syndrome (SIDS) and any relationships to risk factors of SIDS including smoke exposure and sleep related parameters...
April 6, 2017: Neurobiology of Disease
https://www.readbyqxmd.com/read/28392310/the-role-of-the-autonomic-nervous-system-in-arrhythmias-and-sudden-cardiac-death
#4
REVIEW
Sonia Franciosi, Frances K G Perry, Thomas M Roston, Kathryn R Armstrong, Victoria E Claydon, Shubhayan Sanatani
The autonomic nervous system (ANS) is complex and plays an important role in cardiac arrhythmia pathogenesis. A deeper understanding of the anatomy and development of the ANS has shed light on its involvement in cardiac arrhythmias. Alterations in levels of Sema-3a and NGF, both growth factors involved in innervation patterning during development of the ANS, leads to cardiac arrhythmias. Dysregulation of the ANS, including polymorphisms in genes involved in ANS development, have been implicated in sudden infant death syndrome...
March 31, 2017: Autonomic Neuroscience: Basic & Clinical
https://www.readbyqxmd.com/read/28382839/abnormal-muscularization-of-intra-acinar-pulmonary-arteries-in-2-cases-presenting-as-sudden-infant-death-sids
#5
Zainun Khairul, Hope Kirsten, Andrew G Nicholson, Marta C Cohen
Abnormal muscularization of acinar arteries is the hallmark of persistent pulmonary hypertension of newborn (PPHN), an uncommon disease with high rate of morbidity and mortality. PPHN presents with signs of respiratory distress immediately following birth. We herein report 2 cases presenting as a witnessed sudden unexpected death in the late neonatal period, preceded by respiratory deterioration and in whom the presence of abnormal muscularization of the acinar pulmonary arteries was reminiscent of PPHN. The significance of this report is twofold: to increase the awareness among pediatricians and pathologists of this feature that can present in some cases of sudden unexpected death in infancy/Sudden Infant Death Syndrome (SIDS), and to highlight the importance of performing a thorough autopsy in order to identify the abnormality...
January 1, 2017: Pediatric and Developmental Pathology
https://www.readbyqxmd.com/read/28378502/infant-pacifiers-for-reduction-in-risk-of-sudden-infant-death-syndrome
#6
REVIEW
Kim Psaila, Jann P Foster, Neil Pulbrook, Heather E Jeffery
BACKGROUND: Sudden infant death syndrome (SIDS) has been most recently defined as the sudden unexpected death of an infant less than one year of age, with onset of the fatal episode apparently occurring during sleep, that remains unexplained after a thorough investigation, including the performance of a complete autopsy and a review of the circumstances of death and clinical history. Despite the success of several prevention campaigns, SIDS remains a leading cause of infant mortality...
April 5, 2017: Cochrane Database of Systematic Reviews
https://www.readbyqxmd.com/read/28370132/infant-sudden-death-mutations-responsible-for-impaired-nav1-5-channel-trafficking-and-function
#7
Ivan Gando, Jace Morganstein, Kundan Jana, Thomas V McDonald, Yingying Tang, William A Coetzee
BACKGROUND: Two genetic variants in SCN5A, encoding the Nav1.5 Na(+) channel α-subunit, were found in a five month-old girl who died suddenly in her sleep. The first variant is a missense mutation, resulting in an amino acid change (Q1832E), which has been described (but not characterized) in a patient with Brugada syndrome. The second is a nonsense mutation that produces a premature stop codon and a C-terminal truncation (R1944Δ). METHODS AND RESULTS: To investigate their functional relevance with patch clamp experiments in transfected HEK293 cells...
March 31, 2017: Pacing and Clinical Electrophysiology: PACE
https://www.readbyqxmd.com/read/28348544/substance-p-neurokinin-1-and-trigeminal-system-a-possible-link-to-the-pathogenesis-in-sudden-perinatal-deaths
#8
REVIEW
Riffat Mehboob
Sudden demise of a healthy fetus or a neonate is a very tragic episode in the life of parents. These deaths have been a mystery since ages but still remain unexplained. This review proposes the involvement of trigeminal nerve, neurotransmitter substance P (SP), and its receptor neurokinin 1 (NK-1R) in regulation of cardiorespiratory control in fetuses and newborns. Anomalies and immaturity of neuroregulatory systems such as trigeminal system in medulla oblongata of brainstem may provide a possible mechanism of sudden perinatal deaths...
2017: Frontiers in Neurology
https://www.readbyqxmd.com/read/28331972/safe-sleeping-positions-practice-and-policy-for-babies-with-cleft-palate
#9
Karen Davies, Iain A Bruce, Patricia Bannister, Peter Callery
Guidance recommends 'back to sleep' positioning for infants from birth in order to reduce the risk of sudden infant death. Exceptions have been made for babies with severe respiratory difficulties where lateral positioning may be recommended, although uncertainty exists for other conditions affecting the upper airway structures, such as cleft palate. This paper presents research of (i) current advice on sleep positioning provided to parents of infants with cleft palate in the UK; and (ii) decision making by clinical nurse specialists when advising parents of infants with cleft palate...
March 22, 2017: European Journal of Pediatrics
https://www.readbyqxmd.com/read/28327050/infant-bed-sharing-supporting-parents-to-make-an-informed-decision
#10
Layla Lavallee, Meredith Scannell
The practice of infant bed-sharing remains controversial in countries such as the UK and the US, despite its prevalence, and healthcare professionals are often faced with the task of advising parents on bed-sharing without the support of consistent or up-to-date guidelines. This article explores UK and US recommendations on infant bed-sharing, considering the existing evidence. The possible relationship between infant bed-sharing and sudden infant death syndrome (SIDS) is explored, alongside other factors that may be linked to SIDS...
March 22, 2017: Nursing Standard
https://www.readbyqxmd.com/read/28316956/sudden-infant-death-syndrome-due-to-long-qt-syndrome-a-brief-review-of-the-genetic-substrate-and-prevalence
#11
REVIEW
Nikolaos S Ioakeimidis, Theodora Papamitsou, Soultana Meditskou, Zafiroula Iakovidou-Kritsi
The pathophysiological mechanisms which lead to sudden infant death syndrome (SIDS) are not completely understood. Cardiac channelopathies are a well-established causative factor with long QT syndrome (LQTS) being the most frequent one, accounting for approximately 12% of SIDS cases. The genetic substrate of the above arrhythmogenic syndrome has been thoroughly described but only specific gene mutations or polymorphisms have been identified as SIDS causative. The review will focus on the prevalence of LQTS-induced SIDS or near-SIDS cases and the mutations held responsible...
December 2017: Journal of Biological Research
https://www.readbyqxmd.com/read/28295538/authorised-access-web-portal-for-italiandata-bank-on-sudden-unexpected-perinatal-and-infant-death
#12
Giulia Ottaviani, Paolo Perlasca, Marco Mesiti, Luca Ferrari, Anna M Lavezzi
Sudden infant death syndrome (SIDS) is common during the first year of life and affects 0.40every 1,000 births (1). Stillbirths are seven times more common than SIDS; in 40-80% of cases remain unexplained and are categorised as sudden intrauterine unexpected death syndrome (2).In 2006 Italy passed legislation that fetuses, and infants, from 25 weeks of gestation to one postnatal year, that died suddenly and unexpectedly should be sent to the University of Milan, Italy, for an in-depth diagnostic post-mortem with parental permission (3)...
March 15, 2017: Acta Paediatrica
https://www.readbyqxmd.com/read/28289401/sleep-disorders-is-the-trigemino-cardiac-reflex-a-missing-link
#13
REVIEW
Tumul Chowdhury, Barkha Bindu, Gyaninder Pal Singh, Bernhard Schaller
Trigeminal innervated areas in face, nasolacrimal, and nasal mucosa can produce a wide array of cardiorespiratory manifestations that include apnea, bradypnea, bradycardia, hypotension, and arrhythmias. This reflex is a well-known entity called "trigemino-cardiac reflex" (TCR). The role of TCR is investigated in various pathophysiological conditions especially in neurosurgical, but also skull base surgery procedures. Additionally, its significance in various sleep-related disorders has also been highlighted recently...
2017: Frontiers in Neurology
https://www.readbyqxmd.com/read/28288222/-the-benefits-of-breastfeeding-and-associated-risks-of-replacement-with-baby-formulas
#14
Paulina Brahm, Verónica Valdés
Breastfeeding is the nourishment designed by nature for the newborn and the infant; however its prevalence is nowadays not optimal. The aim of this article is to review the current evidence of the benefits of breastfeeding for children and society, and to elaborate the risks associated with the replacement of lactation with baby formulas. Breastfeeding is a protective factor for several infectious, atopic, and cardiovascular diseases as well as for leukaemia, necrotising enterocolitis, celiac disease, and inflammatory bowel disease...
February 2017: Revista Chilena de Pediatría
https://www.readbyqxmd.com/read/28276303/abnormal-muscularization-of-intra-acinar-pulmonary-arteries-in-two-cases-presenting-as-sudden-infant-death
#15
Khairul Zainun, Kirsten Hope, Andrew G Nicholson, Marta C Cohen
Abnormal muscularization of acinar arteries is the hallmark of persistent pulmonary hypertension of newborn (PPHN), an uncommon disease with high rate of morbidity and mortality. PPHN presents with signs of respiratory distress immediately following birth. We herein report 2 cases presenting as a witnessed sudden unexpected death in the late neonatal period, preceded by respiratory deterioration and in whom the presence of abnormal muscularization of the acinar pulmonary arteries was reminiscent of PPHN. The significance of this report is twofold: to increase the awareness among pediatricians and pathologists of this feature that can present in some cases of Sudden Unexpected Death in Infancy/Sudden Infant Death Syndrome, and to highlight the importance of performing a thorough autopsy in order to identify the abnormality...
January 2017: Pediatric and Developmental Pathology
https://www.readbyqxmd.com/read/28272668/tricuspid-valve-hemangioma-associated-with-hypoplastic-left-heart-syndrome-presenting-as-sudden-infant-death-syndrome
#16
Brijnandan Gupta, Shouriyo Ghosh, Maikal Kujur, Khushbu Khetan, Tarun Kumar
Primary cardiac tumors are rare in children with a low incidence varying from 0.0017 to 0.28% in autopsy studies. Approximately 90% of the reported primary cardiac tumors in the pediatric population are benign and the most common subtype is rhabdomyomas accounting for approximately 60%, while hemangiomas are rare primary tumors with a 5% incidence. Hypoplastic left heart syndrome is abnormal development of the left-sided cardiac structures, leading to obstruction of blood flow from the left ventricle out-flow tract...
February 4, 2017: Türk Patoloji Dergisi
https://www.readbyqxmd.com/read/28270749/identifying-candidate-genes-that-underlie-cellular-ph-sensitivity-in-serotonin-neurons-using-transcriptomics-a-potential-role-for-kir5-1-channels
#17
Madeleine M Puissant, Gary C Mouradian, Pengyuan Liu, Matthew R Hodges
Ventilation is continuously adjusted by a neural network to maintain blood gases and pH. Acute CO2 and/or pH regulation requires neural feedback from brainstem cells that encode CO2/pH to modulate ventilation, including but not limited to brainstem serotonin (5-HT) neurons. Brainstem 5-HT neurons modulate ventilation and are stimulated by hypercapnic acidosis, the sensitivity of which increases with increasing postnatal age. The proper function of brainstem 5-HT neurons, particularly during post-natal development is critical given that multiple abnormalities in the 5-HT system have been identified in victims of Sudden Infant Death Syndrome...
2017: Frontiers in Cellular Neuroscience
https://www.readbyqxmd.com/read/28264500/geneanalytics-pathway-analysis-and-genetic-overlap-among-autism-spectrum-disorder-bipolar-disorder-and-schizophrenia
#18
Naveen S Khanzada, Merlin G Butler, Ann M Manzardo
Bipolar disorder (BPD) and schizophrenia (SCH) show similar neuropsychiatric behavioral disturbances, including impaired social interaction and communication, seen in autism spectrum disorder (ASD) with multiple overlapping genetic and environmental influences implicated in risk and course of illness. GeneAnalytics software was used for pathway analysis and genetic profiling to characterize common susceptibility genes obtained from published lists for ASD (792 genes), BPD (290 genes) and SCH (560 genes). Rank scores were derived from the number and nature of overlapping genes, gene-disease association, tissue specificity and gene functions subdivided into categories (e...
February 28, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/28238633/early-neonatal-death-a-challenge-worldwide
#19
REVIEW
Liisa Lehtonen, Ana Gimeno, Anna Parra-Llorca, Máximo Vento
Early neonatal death (ENND), defined as the death of a newborn between zero and seven days after birth, represents 73% of all postnatal deaths worldwide. Despite a 50% reduction in childhood mortality, reduction of ENND has significantly lagged behind other Millennium Developmental Goal achievements and is a growing contributor to overall mortality in children aged <5 years. The etiology of ENND is closely related to the level of a country's industrialization. Hence, prematurity and congenital anomalies are the leading causes in high-income countries...
February 23, 2017: Seminars in Fetal & Neonatal Medicine
https://www.readbyqxmd.com/read/28229101/factors-associated-with-infant-bed-sharing
#20
Megan Heere, Beth Moughan, Joseph Alfonsi, Jennifer Rodriguez, Stephen Aronoff
Objective: Bed-sharing is associated with sudden infant death syndrome and accidental suffocation and strangulation in bed. The purpose of this study was to identify risk factors for newborn bed-sharing. Methods: Postpartum mothers from a university maternity service were contacted by phone to complete a survey. Demographic and environmental data were collected; newborn bed-sharing and sleep environment were self-reported. Results: A total of 1261 mothers completed surveys; bed-sharing was reported by 79 mothers (6...
2017: Global Pediatric Health
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