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developmental milestones

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https://www.readbyqxmd.com/read/28644755/a-contemporary-examination-of-first-and-second-permanent-molar-emergence
#1
B T Pahel, W F Vann, K Divaris, R G Rozier
The emergence of first permanent molars (FPMs) and second permanent molars (SPMs) is an important developmental milestone influencing caries risk and the timing of sealant placement. Emergence times have been shown to vary by sex and race/ethnicity, while recent reports suggest a positive association with adiposity. Amid the changing demographics of the US population and the rising rates of pediatric overweight/obesity, we sought to examine the association of body mass index (BMI) with FPM/SPM emergence in a representative sample of US children and adolescents...
June 1, 2017: Journal of Dental Research
https://www.readbyqxmd.com/read/28644430/the-clinical-landscape-for-sma-in-a-new-therapeutic-era
#2
REVIEW
K Talbot, E F Tizzano
Despite significant advances in basic research, the treatment of degenerative diseases of the nervous system remains one of the greatest challenges for translational medicine. The childhood onset motor neuron disorder spinal muscular atrophy (SMA) has been viewed as one of the more tractable targets for molecular therapy, due to a detailed understanding of the molecular genetic basis of the disease. In SMA, inactivating mutations in the SMN1 gene can be partially compensated for by limited expression of SMN protein from a variable number of copies of the SMN2 gene, which provides both a molecular explanation for phenotypic severity and a target for therapy...
June 23, 2017: Gene Therapy
https://www.readbyqxmd.com/read/28630251/valnoctamide-inhibits-cytomegalovirus-infection-in-developing-brain-and-attenuates-neurobehavioral-dysfunctions-and-brain-abnormalities
#3
Sara Ornaghi, Lawrence S Hsieh, Angélique Bordey, Patrizia Vergani, Michael J Paidas, Anthony N van den Pol
Cytomegalovirus (CMV) is the most common infectious cause of brain defects and neurological dysfunction in developing human babies. Due to the teratogenicity and toxicity of available CMV antivirals, treatment options during early development are markedly limited. Valnoctamide (VCD), a neuroactive mood stabilizer with no known teratogenic activity, was recently demonstrated to have anti-CMV potential. However, it is not known whether this can be translated into an efficacious therapeutic effect to improve CMV-induced adverse neurological outcomes...
June 19, 2017: Journal of Neuroscience: the Official Journal of the Society for Neuroscience
https://www.readbyqxmd.com/read/28615374/a-cross-sectional-survey-in-rural-bihar-india-indicates-that-nutritional-status-diet-and-stimulation-are-associated-with-motor-and-mental-development-in-young-children
#4
Leila M Larson, Melissa F Young, Usha Ramakrishnan, Amy Webb Girard, Pankaj Verma, Indrajit Chaudhuri, Sridhar Srikantiah, Reynaldo Martorell
Background: Many malnourished children in resource-poor settings fail to fulfill their developmental potential.Objectives: The objectives of this analysis were to examine the nutritional, psychosocial, environmental, and household correlates of child development in Bihar, India, and identify mediators between dietary diversity and mental development.Methods: Using 2-stage cluster randomized sampling, we surveyed 4360 households with children 6-18 mo of age in the West Champaran district of Bihar. We measured motor and mental development with the use of the Developmental Milestones Checklist II...
June 14, 2017: Journal of Nutrition
https://www.readbyqxmd.com/read/28614480/-child-development-in-poor-areas-of-peru
#5
Adrián Alberto Díaz, Jorge Bacallao Gallestey, Rocío Vargas-Machuca, Roxana Aguilar Velarde
Objectives: The objective of the study was to demonstrate the influence of several socioeconomic factors on the motor and language development of children under 5 from the baseline study conducted within the framework of the Joint Program for Children, Food Security, and Nutrition, implemented by five United Nations agencies across 65 districts in the departments of Loreto, Ayacucho, Huancavelica, and Apurímac, Peru. Methods: Dichotomous logistic regression models were used to estimate the likelihood of achievement of motor and language milestones, while polynomial regression models were used to estimate the last milestone achieved and the number of milestones achieved...
June 8, 2017: Revista Panamericana de Salud Pública, Pan American Journal of Public Health
https://www.readbyqxmd.com/read/28607820/incidental-choroid-plexus-papilloma-in-a-child-a-difficult-decision
#6
Avra S Laarakker, Jonathan Nakhla, Andrew Kobets, Rick Abbott
BACKGROUND: Choroid plexus tumors (CPT) in the pediatric population are usually discovered in symptomatic patients often with symptoms of increased intracranial pressure, with hydrocephalus as the most common presentation, along with seizures, subarachnoid hemorrhage, or focal neurological deficit. Most CPTs are found to be benign choroid plexus papillomas (CPP), whereas a small number are intermediate and malignant choroid plexus carcinomas (CPC). Total surgical resection is the established definitive treatment for symptomatic CPP...
2017: Surgical Neurology International
https://www.readbyqxmd.com/read/28600929/detrimental-effects-of-self-administered-methamphetamine-during-pregnancy-on-offspring-development-in-the-rat
#7
Daniela Rüedi-Bettschen, Donna M Platt
BACKGROUND: Methamphetamine (METH) abuse by pregnant women is a commonly observed phenomenon. While the harmful effects of METH are well described for adults, there is only limited knowledge of the effects of METH use during pregnancy on the developing child. In the present study, we investigated how intraveneous (iv) METH self-administration throughout pregnancy affected rat dams and their offspring through weaning, compared to controls. METHODS: Female rats (n=16) were trained to self-administer METH iv; every drug infusion by a dam also resulted in a saline injection to a yoked control (n=16)...
June 1, 2017: Drug and Alcohol Dependence
https://www.readbyqxmd.com/read/28595647/pubertal-development-in-girls-by-breast-cancer-family-history-the-legacy-girls-cohort
#8
Mary Beth Terry, Theresa H M Keegan, Lauren C Houghton, Mandy Goldberg, Irene L Andrulis, Mary B Daly, Saundra S Buys, Ying Wei, Alice S Whittemore, Angeline Protacio, Angela R Bradbury, Wendy K Chung, Julia A Knight, Esther M John
BACKGROUND: Pubertal milestones, such as onset of breast development and menstruation, play an important role in breast cancer etiology. It is unclear if these milestones are different in girls with a first- or second-degree breast cancer family history (BCFH). METHODS: In the LEGACY Girls Study (n = 1040), we examined whether three mother/guardian-reported pubertal milestones (having reached Tanner Stage 2 or higher (T2+) for breast and pubic hair development, and having started menstruation) differed by BCFH...
June 8, 2017: Breast Cancer Research: BCR
https://www.readbyqxmd.com/read/28557947/validity-evidence-from-ratings-of-pediatric-interns-and-subinterns-on-a-subset-of-pediatric-milestones
#9
Teri L Turner, Vasudha L Bhavaraju, Ulana A Luciw-Dubas, Patricia J Hicks, Sara Multerer, Amanda Osta, Jennifer McDonnell, Sue Poynter, Daniel J Schumacher, Rebecca Tenney-Soeiro, Linda Waggoner-Fountain, Alan Schwartz
PURPOSE: To investigate evidence for validity of faculty members' pediatric milestone (PM) ratings of interns (first-year residents) and subinterns (fourth-year medical students) on nine subcompetencies related to readiness to serve as a pediatric intern in the inpatient setting. METHOD: The Association of Pediatric Program Directors Longitudinal Educational Assessment Research Network (APPD LEARN) and the National Board of Medical Examiners collaborated to investigate the utility of assessments of the PMs for trainees' performance...
June 2017: Academic Medicine: Journal of the Association of American Medical Colleges
https://www.readbyqxmd.com/read/28557682/an-infant-presenting-with-failure-to-thrive-and-hyperkalaemia-owing-to-transient-pseudohypoaldosteronism-case-report
#10
Marieke De Clerck, Johan Vande Walle, Evelyn Dhont, Joke Dehoorne, Werner Keenswijk
A 3-month-old boy presented with failure to thrive and a history of a prenatally detected unilateral hydroureteronephrosis which was confirmed after birth. His growth and developmental milestones had been normal during the first 2 months but in the third month his appetite was poor with reduced intake but no vomiting. At presentation, his temperature was normal, there was mild dehydration and there was weight loss (his weight had decreased by 270 g in the past month). Haemoglobin was 11.9 g/dL, total white cell count 20...
May 30, 2017: Paediatrics and International Child Health
https://www.readbyqxmd.com/read/28546662/pregnancy-outcome-in-patients-with-solitary-kidney
#11
Vineet V Mishra, Kavita M Mistry, Sakshi S Nanda, Sumesh Choudhary, Rohina Aggarwal, Khushali Gandhi
BACKGROUND: Solitary kidney may be congenital or as a result of nephrectomy. There is a lot of literature available on quality of life in these patients, but there is limited data on pregnancy outcome. OBJECTIVES: To study pregnancy outcome in patients with solitary kidney either congenital or due to nephrectomy. MATERIALS AND METHODS: Study Design This is a retrospective observational study conducted at tertiary health center in Ahmedabad, from 2011 to 2014...
June 2017: Journal of Obstetrics and Gynaecology of India
https://www.readbyqxmd.com/read/28543358/transient-arrest-of-germinal-vesicle-breakdown-improved-in-vitro-development-potential-of-buffalo-bubalus-bubalis-oocytes
#12
Sandeep Kumar, Manish Kumar, Sunny Dholpuria, Parul Sarwalia, Vipul Batra, Sachinandan De, Rakesh Kumar, T K Datta
Germinal vesicle breakdown (GVBD) is the first milestone that an oocyte needs to achieve towards completing the maturation and gaining potential to fertilise. Significantly lower in vitro embryo production rate in buffaloes can be attributed to heterogeneity of GVBD occurrence among oocytes obtained from abattoir derived ovaries. Evidence from our earlier work had suggested that different qualities of buffalo oocytes differ significantly in their timing of GVBD. Besides, these oocytes also differ in terms of volume of Akt phosphorylation, which initiates the process of GVBD...
May 25, 2017: Journal of Cellular Biochemistry
https://www.readbyqxmd.com/read/28537576/an-infant-and-mother-with-severe-b12-deficiency-vitamin-b12-status-assessment-should-be-determined-in-pregnant-women-with-anaemia
#13
A Sobczyńska-Malefora, R Ramachandran, D Cregeen, E Green, P Bennett, D J Harrington, H A Lemonde
The vitamin B12 status of infants depends on maternal B12 status during pregnancy, and during lactation if breastfed. We present a 9-month-old girl who was admitted to the metabolic unit for assessment of developmental delay. She was exclusively breastfed and the introduction of solids at 5 months was unsuccessful. Investigations revealed pancytopenia, undetectable B12 and highly elevated methylmalonic acid and homocysteine. Methylmalonic acid and homocysteine normalised following B12 injections. Marked catch-up of developmental milestones was noted after treatment with B12...
May 24, 2017: European Journal of Clinical Nutrition
https://www.readbyqxmd.com/read/28518104/neurodevelopmental-reflex-testing-in-neonatal-rat-pups
#14
Antoinette T Nguyen, Edward A Armstrong, Jerome Y Yager
Neurodevelopmental reflex testing is commonly used in clinical practice to assess the maturation of the nervous system. Neurodevelopmental reflexes are also referred to as primitive reflexes. They are sensitive and consistent with later outcomes. Abnormal reflexes are described as an absence, persistence, reappearance, or latency of reflexes, which are predictive indices of infants that are at high risk for neurodevelopmental disorders. Animal models of neurodevelopmental disabilities, such as cerebral palsy, often display aberrant developmental reflexes, as would be observed in human infants...
April 24, 2017: Journal of Visualized Experiments: JoVE
https://www.readbyqxmd.com/read/28514024/historical-review-of-efforts-to-reduce-noise-induced-hearing-loss-in-the-united-states
#15
Madeleine J Kerr, Richard L Neitzel, OiSaeng Hong, Robert T Sataloff
BACKGROUND: Noise-induced hearing loss is a centuries-old problem that is still prevalent in the United States and worldwide. AIM: To describe highlights in the development of hearing loss prevention in the U.S. from World War II to the present. METHODS: Literature review. RESULTS: Approaches to occupational noise-induced hearing loss prevention in the United States over the past seven decades are described using a hierarchy of controls framework and an interdisciplinary perspective...
June 2017: American Journal of Industrial Medicine
https://www.readbyqxmd.com/read/28506505/the-utility-of-surveillance-electroencephalography-to-guide-early-antiepileptic-drug-therapy-in-infants-with-tuberous-sclerosis-complex
#16
Robyn Whitney, Saber Jan, Maria Zak, Bláthnaid McCoy
BACKGROUND: Seizures are a common early presentation in infants with tuberous sclerosis complex (TSC) and can be preceded by electrographic changes on electroencephalography (EEG) before clinical seizure onset. A limited number of studies have addressed the initial EEG findings in TSC and the outcome of early treatment with antiepileptic medication prior to clinical seizure onset. METHODS: We describe two infants with tuberous sclerosis complex whose surveillance EEG showed focal seizures that were not previously recognized by caregivers...
July 2017: Pediatric Neurology
https://www.readbyqxmd.com/read/28503161/exploring-task-specific-independent-standing-in-3-to-5-month-old-infants
#17
Hermundur Sigmundsson, Håvard W Lorås, Monika Haga
Perspectives on developmental milestones suggest that an infant's ability to stand without support occurs at the age of 9-16 months. The two exploratory tasks were part of a baby swimming routine, conducted over a period of 12 weeks (24 sessions), and the aim was to examine whether young infants (mean age 97 days) improved their performance in standing as measured by prolonged time-to-stand. The data suggest that 3- to 5-month-old infants are capable of demonstrating signs of motor learning in task-specific standing...
2017: Frontiers in Psychology
https://www.readbyqxmd.com/read/28489346/metal-organic-frameworks-at-the-biointerface-synthetic-strategies-and-applications
#18
Christian Doonan, Raffaele Riccò, Kang Liang, Darren Bradshaw, Paolo Falcaro
Many living organisms are capable of producing inorganic materials of precisely controlled structure and morphology. This ubiquitous process is termed biomineralization and is observed in nature from the macroscale (e.g., formation of exoskeletons) down to the nanoscale (e.g., mineral storage and transportation in proteins). Extensive research efforts have pursued replicating this chemistry with the overarching aims of synthesizing new materials of unprecedented physical properties and understanding the complex mechanisms that occur at the biological-inorganic interface...
May 10, 2017: Accounts of Chemical Research
https://www.readbyqxmd.com/read/28486374/premature-thelarche-and-the-pura-syndrome
#19
Joshua Rezkalla, Tiffany Von Wald, Keith A Hansen
BACKGROUND: Premature thelarche is a self-limited condition characterized by Tanner stage II-III breast development in girls younger than 8 years of age with no evidence of advancing puberty. Evaluation concentrates on excluding central or peripheral causes of precocious puberty. CASE: A girl aged 2 years 4 months with profound hypotonia and delayed developmental milestones presented with Tanner II breast development, elevated follicle-stimulating hormone levels, suppressed luteinizing hormone level, normal growth and skeletal development, and prepubertal uterine length and ovarian volume...
June 2017: Obstetrics and Gynecology
https://www.readbyqxmd.com/read/28476907/congenital-talipes-equinovarus-and-congenital-vertical-talus-secondary-to-sacral-agenesis
#20
Jonathan James Hyett Bray, Sebastien Crosswell, Rick Brown
Sacral agenesis is a rare congenital defect which is associated with foot deformities such as congenital talipes equinovarus (CTEV) and less commonly congenital vertical talus (CVT). We report a 3-year-old Caucasian girl who was born with right CTEV and left CVT secondary to sacral agenesis. Her right foot was managed with a Ponseti casting method at 2 weeks, followed by an Achilles tenotomy at 4 months. The left foot was initially managed with a nocturnal dorsi-flexion splint. Both feet remained resistant and received open foot surgery at 10 months producing plantigrade feet with neutral hindfeet...
May 5, 2017: BMJ Case Reports
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