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Developmental pediatrics

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https://www.readbyqxmd.com/read/29033391/breast-diseases-in-children-the-spectrum-of-radiologic-findings-in-a-cohort-study
#1
Emel Durmaz, Murat Alp Öztek, Hatice Arıöz Habibi, Uğur Kesimal, Hakkı Timur Sindel
PURPOSE: We aimed to investigate the spectrum of radiologic findings and referral reasons for breast diseases in children considering age-appropriate presentation. METHODS: Our retrospective cohort study included 348 consecutive pediatric patients aged <19 years (median, 13 years) referred to radiology with a clinical presentation between 2005 and 2016. Radiologic findings were reviewed in four age ranges (0-2 years, 2-8 years, 8-15 years, >15 years). RESULTS: Of 348 patients, 257 had a referral reason...
October 16, 2017: Diagnostic and Interventional Radiology: Official Journal of the Turkish Society of Radiology
https://www.readbyqxmd.com/read/29033222/processing-of-structural-neuroimaging-data-in-young-children-bridging-the-gap-between-current-practice-and-state-of-the-art-methods
#2
REVIEW
Thanh Vân Phan, Dirk Smeets, Joel B Talcott, Maaike Vandermosten
The structure of the brain is subject to very rapid developmental changes during early childhood. Pediatric studies based on Magnetic Resonance Imaging (MRI) over this age range have recently become more frequent, with the advantage of providing in vivo and non-invasive high-resolution images of the developing brain, toward understanding typical and atypical trajectories. However, it has also been demonstrated that application of currently standard MRI processing methods that have been developed with datasets from adults may not be appropriate for use with pediatric datasets...
August 24, 2017: Developmental Cognitive Neuroscience
https://www.readbyqxmd.com/read/29027617/zebrafish-as-a-model-to-study-neuroblastoma-development
#3
REVIEW
Mattie J Casey, Rodney A Stewart
Neuroblastoma is a pediatric solid tumor arising from embryonic neural crest progenitor cells that normally generate the peripheral sympathetic nervous system. As such, the location of neuroblastoma tumors is correlated with the distribution of major post-ganglionic clusters throughout the sympathetic chain, with the highest incidence in the adrenal medulla or lumbar sympathetic ganglia (~65%). Neuroblastoma is an enigmatic tumor that can spontaneously regress with minimal treatment or become highly metastatic and develop resistance to aggressive treatments, including radiation and high-dose chemotherapy...
October 13, 2017: Cell and Tissue Research
https://www.readbyqxmd.com/read/29026269/clinical-characteristics-of-septo-optic-dysplasia-accompanied-by-congenital-central-hypothyroidism-in-japan
#4
Keisuke Nagasaki, Takuo Kubota, Hironori Kobayashi, Hirotake Sawada, Chikahiko Numakura, Shohei Harada, Kei Takasawa, Kanshi Minamitani, Tomohiro Ishii, Satoshi Okada, Hotaka Kamasaki, Shigetaka Sugihara, Masanori Adachi, Toshihiro Tajima
Septo-optic dysplasia (SOD) is a congenital anomaly in which agenesis of the septum pellucidum and optic nerve hypoplasia are accompanied by hypopituitarism. Typically, the symptoms develop in 3 organs, the brain, eyes, and pituitary, and approximately one third of the patients present with all of the three cardinal features. The diagnostic criteria for SOD were established in Japan in 2015. The purpose of this study is to review clinical features regarding SOD patients with hypopituitarism in Japan. In this study, 21 patients with SOD were identified by a questionnaire survey for congenital central hypothyroidism...
2017: Clinical Pediatric Endocrinology: Case Reports and Clinical Investigations: Official Journal of the Japanese Society for Pediatric Endocrinology
https://www.readbyqxmd.com/read/29024679/short-range-connections-in-the-developmental-connectome-during-typical-and-atypical-brain-maturation
#5
REVIEW
Minhui Ouyang, Huiying Kang, John A Detre, Timothy P L Roberts, Hao Huang
The human brain is remarkably complex with connectivity constituting its basic organizing principle. Although long-range connectivity has been focused on in most research, short-range connectivity is characterized by unique and spatiotemporally heterogeneous dynamics from infancy to adulthood. Alterations in the maturational dynamics of short-range connectivity has been associated with neuropsychiatric disorders, such as autism and schizophrenia. Recent advances in neuroimaging techniques, especially diffusion magnetic resonance imaging (dMRI), resting-state functional MRI (rs-fMRI), electroencephalography (EEG) and magnetoencephalography (MEG), have made quantification of short-range connectivity possible in pediatric populations...
October 9, 2017: Neuroscience and Biobehavioral Reviews
https://www.readbyqxmd.com/read/29019974/the-state-of-the-art-in-stem-cell-biology-regenerative-medicine-the-end-of-the-beginning
#6
REVIEW
Evan Y Snyder
With translational stem cell biology and Regenerative Medicine (the field to which it gave rise) now over a quarter century old, it is time to take stock of where we have been and where we are going. This editorial overview, which serves an introduction to a special issue of Pediatric Research dedicated to these fields, reinforces the notion that stem cells are ultimately intrinsic parts of developmental biology, for which Pediatrics represents the clinical face. While stem cells represent the cellular basis for a great deal of unrecognized plasticity programmed into the developing and post-developmental human, and while there is great promise in harnessing this plasticity for therapeutic advantage, their successful use rests on a deep understanding of their developmental imperatives and the developmental programs in which they engage...
October 11, 2017: Pediatric Research
https://www.readbyqxmd.com/read/29019756/imaging-of-skeletal-disorders-caused-by-fibroblast-growth-factor-receptor-gene-mutations
#7
Kiran M Sargar, Achint K Singh, Simon C Kao
Fibroblast growth factors and fibroblast growth factor receptors (FGFRs) play important roles in human axial and craniofacial skeletal development. FGFR1, FGFR2, and FGFR3 are crucial for both chondrogenesis and osteogenesis. Mutations in the genes encoding FGFRs, types 1-3, are responsible for various skeletal dysplasias and craniosynostosis syndromes. Many of these disorders are relatively common in the pediatric population, and diagnosis is often challenging. These skeletal disorders can be classified based on which FGFR is affected...
October 2017: Radiographics: a Review Publication of the Radiological Society of North America, Inc
https://www.readbyqxmd.com/read/29019755/interstitial-lung-disease-in-children-made-easier%C3%A2-well-almost
#8
Thomas R Semple, Michael T Ashworth, Catherine M Owens
Interstitial lung disease (ILD) in pediatric patients is different from that in adults, with a vast array of pathologic conditions unique to childhood, varied modes of presentation, and a different range of radiologic appearances. Although rare, childhood ILD (chILD) is associated with significant morbidity and mortality, most notably in conditions of disordered surfactant function, with respiratory failure in 100% of neonates with surfactant protein B dysfunction and 100% mortality without lung transplantation...
October 2017: Radiographics: a Review Publication of the Radiological Society of North America, Inc
https://www.readbyqxmd.com/read/29019747/masses-of-the-nose-nasal-cavity-and-nasopharynx-in-children
#9
Diana P Rodriguez, Emily S Orscheln, Bernadette L Koch
A wide range of masses develop in the nose, nasal cavity, and nasopharynx in children. These lesions may arise from the nasal ala or other structures of the nose, including the mucosa covering any surface of the nasal cavity, the cartilaginous or osseous portion of the nasal septum, the nasal turbinates, and the nasal bones. Lesions may also arise from the nasopharynx or adjacent structures and involve the nose by way of direct extension. The causes of nasal masses in children include congenital and developmental disorders such as congenital nasolacrimal duct mucocele, dermoid cyst, cephalocele, and nasal neuroglial heterotopia; inflammatory and infectious processes such as mucocele, polyp, and pyogenic granuloma; benign neoplasms such as infantile hemangioma and juvenile nasopharyngeal angiofibroma; malignant lesions such as rhabdomyosarcoma and nasopharyngeal carcinoma; and masses related to prior trauma such as septal hematoma...
October 2017: Radiographics: a Review Publication of the Radiological Society of North America, Inc
https://www.readbyqxmd.com/read/29019630/prolonged-hospital-discharge-for-children-with-technology-dependency-a-source-of-health-care-disparities
#10
Sarah A Sobotka, Rishi K Agrawal, Michael E Msall
Children with ventilator assistance have been supported in living at home since 1981 when parental advocacy ushered in a change to Medicaid policy. As the population of children who use medical technology such as long-term ventilation increases, we must critically evaluate our systems for preparing families for home life. Discharge delays persist in the modern era because of fragmentation between hospital and home systems. These discharge delays result in children spending time in less developmentally rich environments, further exacerbating the health and development disparities of children with complex disabilities...
October 1, 2017: Pediatric Annals
https://www.readbyqxmd.com/read/29019627/dry-drowning-myths-and-misconceptions
#11
M Denise Dowd
Drowning is a leading cause of death in children and is highly preventable. More than 10 people die of drowning in the United States each day, most of them adults. Rates of drowning are highest in children given their developmental vulnerabilities. Drowning incidents that result in cardiopulmonary arrest have a straightforward emergency clinical response, but the management approaches to the more common scenario of brief, nonfatal submersion is less clear. Clinicians must make clinical-care decisions based on evidence to provide safe and effective care in a timely manner and to help families avoid unnecessary anxiety...
October 1, 2017: Pediatric Annals
https://www.readbyqxmd.com/read/28992658/-the-pl%C3%A3-ner-model-for-the-school-entry-screening-is-a-role-model-for-the-future
#12
Josef Weigl
Background The Plöner Model is a stepwise-selective model, similar to the one practised in all of Bavaria since 2008. It was already developed in 2002/2003 for the school entry screening and has been in use since then. Such models are intermittently criticized since not each child is seen by a doctor. Methods The procedure and data of the Plöner Model are analyzed and put into a wider context within Germany and beyond. The current programs in place are therefore categorized into 3 groups and compared with regard to public heath ethics criteria...
October 9, 2017: Das Gesundheitswesen
https://www.readbyqxmd.com/read/28991109/patient-blood-management-in-pediatric-cardiac-surgery-a-review
#13
Jill M Cholette, David Faraoni, Susan M Goobie, Victor Ferraris, Nabil Hassan
Efforts to reduce blood product transfusions and adopt blood conservation strategies for infants and children undergoing cardiac surgical procedures are ongoing. Children typically receive red blood cell and coagulant blood products perioperatively for many reasons, including developmental alterations of their hemostatic system, and hemodilution and hypothermia with cardiopulmonary bypass that incites inflammation and coagulopathy and requires systemic anticoagulation. The complexity of their surgical procedures, complex cardiopulmonary interactions, and risk for inadequate oxygen delivery and postoperative bleeding further contribute to blood product utilization in this vulnerable population...
October 5, 2017: Anesthesia and Analgesia
https://www.readbyqxmd.com/read/28986749/pig-models-on-intestinal-development-and-therapeutics
#14
REVIEW
Lanmei Yin, Huansheng Yang, Jianzhong Li, Yali Li, Xueqing Ding, Guoyao Wu, Yulong Yin
The gastrointestinal tract plays a vital role in nutrient supply, digestion, and absorption, and has a crucial impact on the entire organism. Much attention is being paid to utilize animal models to study the pathogenesis of gastrointestinal diseases in response to intestinal development and health. The piglet has a body size similar to that of the human and is an omnivorous animal with comparable anatomy, nutritional requirements, and digestive and associated inflammatory processes, and displays similarities to the human intestinal microbial ecosystem, which make piglets more appropriate as an animal model for human than other non-primate animals...
October 6, 2017: Amino Acids
https://www.readbyqxmd.com/read/28985199/renal-lineage-cells-as-a-source-for-renal-regeneration
#15
REVIEW
Oren Pleniceanu, Dorit Omer, Orit Harari-Steinberg, Benjamin Dekel
The mammalian kidney is a highly complex organ, composed of various cell types within a unique structural framework. Nonetheless, in recent years, giant leaps in our understanding of nephrogenesis and the origin of new cells in the adult kidney, have resulted in novel routes to regenerate damaged nephrons. While several strategies can be envisioned to achieve this aim, one common theme is the reliance on renal lineage cells, since extra-renal cells, such as bone-marrow derived cells, have been shown to be devoid of renal differentiation capacity...
October 6, 2017: Pediatric Research
https://www.readbyqxmd.com/read/28984477/pediatric-pharmacoepidemiology-safety-and-effectiveness-of-medicines-for-adhd
#16
Antonio Clavenna, Maurizio Bonati
Attention-deficit hyperactivity disorder (ADHD) is a common neurobehavioral disorder in children and adolescents that comprises core symptoms of developmentally inappropriate levels of inattention and/or hyperactivity and impulsivity. Stimulant (methylphenidate, amphetamines) and non stimulant (atomoxetine, clonidine and guanfacine) are the treatment usually prescribed for ADHD. Area covered: This review covers the safety of ADHD medications in children and adolescents. MEDLINE, EMBASE and PsycINFO databases were searched with the aim to retrieve prospective studies that monitored the incidence of adverse events (AEs) in children receiving drug therapy for ADHD...
October 12, 2017: Expert Opinion on Drug Safety
https://www.readbyqxmd.com/read/28983939/the-association-between-pediatric-injury-risks-and-parenting-behaviours
#17
M L Jaques, T L Weaver, N L Weaver, L Willoughby
BACKGROUND: Unintentional injuries are the leading cause of death in children ages 1-18 years. Many of these injuries to young children occur in their own homes. Although research has explored injury risk prevention strategies, historically, much of this research has focused on environmental changes and teaching safety practices. Currently, there appears to be a gap in current research exploring how parenting influences children's risk of injury. METHODS: Mothers (n = 119) of children 5 years and younger were recruited from a paediatric clinic as a part of a larger study and completed measures of parenting challenges, developmentally sensitive parenting, child neglect, parental efficacy, and risk of potential injury situations...
October 6, 2017: Child: Care, Health and Development
https://www.readbyqxmd.com/read/28982596/subsequent-maternal-separation-exacerbates-neurobehavioral-abnormalities-in-rats-neonatally-exposed-to-sevoflurane-anesthesia
#18
Jiaojiao Yang, Lingsha Ju, Min Jia, Hui Zhang, Xiaoru Sun, Muhuo Ji, Jianjun Yang, Anatoly E Martynyuk
Several recent studies suggest that in the human population, a routine, short anesthetic in otherwise healthy infants is void of neurodevelopmental insult. On the other hand, many human retrospective epidemiological studies report evidence of cognitive abnormalities in children after testing those who had different anesthesia-requiring procedures in early childhood. We tested in a rat model whether post-anesthesia stressful environmental factors can contribute to developmental abnormalities that were initiated by a relatively short exposure to sevoflurane, the most widely used anesthetic in pediatric anesthesia, whose polyvalent actions include enhancement of gamma-aminobutyric acid type A receptor (GABAAR) activity...
October 2, 2017: Neuroscience Letters
https://www.readbyqxmd.com/read/28981823/developmental-fine-tuning-of-human-olfactory-discriminability
#19
Xiaomeng Zhang, Wei Chen, Su Li, Wen Zhou
Unlike vision or audition, human olfaction is generally considered evolutionarily ancient and well-functioning at birth, yet there have been few empirical data on the development of olfactory acuity. The current study has assessed olfactory discriminability in children aged 3 to 6 years with 16 pairs of single-compound odorants that differ in various degrees in structure and smell. We report a significant improvement over age in young children's overall olfactory discriminability. Critically, such improvement is modulated by the degree of structural similarity between odorants independent of odor familiarity...
October 1, 2017: Chemical Senses
https://www.readbyqxmd.com/read/28977300/analysis-of-daytime-sleepiniess-in-adolescents-by-the-pediatric-daytime-sleepiness-scale-a-systematic-review
#20
Carolina Meyer, Geraldo Jose Ferrari, Diego Grasel Barbosa, Rubian Diego Andrade, Andreia Pelegrini, Érico Pereira Gomes Felden
OBJECTIVE: To systematically review the use of the Pediatric Daytime Sleepiness Scale (PDSS) in the analysis of daytime sleepiness in children and adolescents. DATA SOURCE: The electronic databases PubMed and SciELO were consulted between 2003 and 2015. As inclusion criterion, studies were considered in English, Spanish and Portuguese, original articles of any type of design, articles with a sample of children and/or adolescents, articles that used the PDSS. Duplicate articles, articles with no relation to the theme, articles with another investigated population, and articles that the parents answered the instrument for their children were excluded...
July 2017: Revista Paulista de Pediatria: Orgão Oficial da Sociedade de Pediatria de São Paulo
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