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Infant mri

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https://www.readbyqxmd.com/read/28916469/activity-changes-in-the-left-superior-temporal-sulcus-reflect-the-effects-of-childcare-training-on-young-female-students-perceptions-of-infants-negative-facial-expressions
#1
Ayahito Ito, Katsuko Niwano, Motoko Tanabe, Yosuke Sato, Toshikatsu Fujii
In many developed countries, the number of infants who experience non-parent childcare is increasing, and the role of preschool teachers is becoming more important. However, little attention has been paid to the effects of childcare training on students who are studying to become preschool teachers. We used functional magnetic resonance imaging (fMRI) to investigate whether and how childcare training affects brain responses to infants' facial expressions among young females studying to become preschool teachers...
September 12, 2017: Neuroscience Research
https://www.readbyqxmd.com/read/28915232/effects-of-early-nutrition-and-growth-on-brain-volumes-white-matter-microstructure-and-neurodevelopmental-outcome-in-preterm-newborns
#2
Caterina Coviello, Kristin Keunen, Karina J Kersbergen, Floris Groenendaal, Alexander Leemans, Barbara Peels, Ivana Isgum, Max A Viergever, Linda S de Vries, Giuseppe Buonocore, Virgilio P Carnielli, Manon J N L Benders
BACKGROUND: This study aimed to investigate the effect of nutrition and growth during the first 4 weeks after birth on cerebral volumes and white matter maturation at term equivalent age(TEA) and on neurodevelopmental outcome at 2 years corrected age(CA), in preterm infants. METHODS: 131 infants born at a gestational age(GA)<31weeks with MRI at TEA were studied. Cortical gray matter volumes(CGM), basal ganglia and thalami(BGT) volumes, cerebellar volumes and total brain volume(TBV) were computed...
September 15, 2017: Pediatric Research
https://www.readbyqxmd.com/read/28913326/improvement-in-white-matter-tract-reconstruction-with-constrained-spherical-deconvolution-and-track-density-mapping-in-low-angular-resolution-data-a-pediatric-study-and-literature-review
#3
Benedetta Toselli, Domenico Tortora, Mariasavina Severino, Gabriele Arnulfo, Andrea Canessa, Giovanni Morana, Andrea Rossi, Marco Massimo Fato
INTRODUCTION: Diffusion-weighted magnetic resonance imaging (DW-MRI) allows noninvasive investigation of brain structure in vivo. Diffusion tensor imaging (DTI) is a frequently used application of DW-MRI that assumes a single main diffusion direction per voxel, and is therefore not well suited for reconstructing crossing fiber tracts. Among the solutions developed to overcome this problem, constrained spherical deconvolution with probabilistic tractography (CSD-PT) has provided superior quality results in clinical settings on adult subjects; however, it requires particular acquisition parameters and long sequences, which may limit clinical usage in the pediatric age group...
2017: Frontiers in Pediatrics
https://www.readbyqxmd.com/read/28906338/a-pharmacokinetics-efficacy-and-safety-study-of-gadoterate-meglumine-in-pediatric-subjects-aged-younger-than-2-years
#4
Mario Scala, Meriam Koob, Sophie de Buttet, Philippe Bourrinet, Mathieu Felices, Elzbieta Jurkiewicz
OBJECTIVES: The primary objective of this study was to investigate the pharmacokinetic profile of gadoterate meglumine in pediatric patients younger than 2 years; the secondary objectives were to document its efficacy and safety. MATERIAL AND METHODS: This was a Phase IV open-label, prospective study conducted in 9 centers (4 countries). Forty-five patients younger than 2 years with normal estimated glomerular filtration rate and scheduled to undergo routine gadolinium-enhanced magnetic resonance imaging (MRI) of any organ were included and received a single intravenous injection of gadoterate meglumine (0...
September 12, 2017: Investigative Radiology
https://www.readbyqxmd.com/read/28905126/neuroanatomical-correlates-of-haptic-object-processing-combined-evidence-from-tractography-and-functional-neuroimaging
#5
Haemy Lee Masson, Hyeok-Mook Kang, Laurent Petit, Christian Wallraven
Touch delivers a wealth of information already from birth, helping infants to acquire knowledge about a variety of important object properties using their hands. Despite the fact that we are touch experts as much as we are visual experts, surprisingly, little is known how our perceptual ability in touch is linked to either functional or structural aspects of the brain. The present study, therefore, investigates and identifies neuroanatomical correlates of haptic perceptual performance using a novel, multi-modal approach...
September 13, 2017: Brain Structure & Function
https://www.readbyqxmd.com/read/28902466/learning-based-deformable-registration-for-infant-mri-by-integrating-random-forest-with-auto-context-model
#6
Lifang Wei, Xiaohuan Cao, Zhensong Wang, Yaozong Gao, Shunbo Hu, Li Wang, Guorong Wu, Dinggang Shen
PURPOSE: Accurately analyzing the rapid structural evolution of human brain in the first year of life is a key step in early brain development studies, which requires accurate deformable image registration. However, due to 1) dynamic appearance and 2) large anatomical changes, very few methods in the literature can work well for the registration of two infant brain MR images acquired at two arbitrary development phases, such as birth and one-year-old. METHODS: To address these challenging issues, we propose a learning-based registration method, which can handle the anatomical structures and the appearance changes between the two infant brain MR images with possible time gap...
September 13, 2017: Medical Physics
https://www.readbyqxmd.com/read/28899547/linear-dimensions-of-normal-upper-airway-structure-by-magnetic-resonance-imaging-in-chinese-han-infants-and-preschool-children
#7
Xiaoli Yi, Linyin Yao, Xinyu Yuan, Yongxiang Wei, Zhenchang Wang
OBJECTIVES: To establish normative data of upper airway structure in Chinese Han infants and preschool children. METHODS: Magnetic resonance imaging (MRI) scans of 521 Chinese Han infants and preschool children (225 girls, 296 boys) aged from 1 day to 72 months were selected from the children who underwent head MRI at the Capital Institute of Pediatrics Affiliated Children Hospital, Beijing, China. No subjects had sleep-disordered breathing or associated conditions that may have affected the upper airway anatomy...
September 2017: Sleep Medicine
https://www.readbyqxmd.com/read/28891004/cerebral-imaging-and-neurodevelopmental-outcome-after-entero-and-human-parechovirus-sepsis-in-young-infants
#8
Eveline P de Jong, Herma C Holscher, Sylke J Steggerda, Jeanine M M Van Klink, Erika P M van Elzakker, Enrico Lopriore, Frans J Walther, Frank Brus
Enterovirus (EV) and human parechovirus (HPeV) are major causes of sepsis-like illness in infants under 90 days of age and have been identified as neurotropic. Studies about acute and long-term neurodevelopment in infants with sepsis-like illness without the need for intensive care are few. This study investigates cerebral imaging and neurodevelopmental outcome following EV and HPeV infection in these infants. We studied infants under 90 days of age who were admitted to a medium care unit with proven EV- or HPeV-induced sepsis-like illness...
September 10, 2017: European Journal of Pediatrics
https://www.readbyqxmd.com/read/28883880/semi-lobar-holoprosencephaly-with-vertebral-segmentation-defects
#9
Birendra Rai, Farhana Sharif
Holoprosencephaly is the most common embryonic brain defect. Foetuses who survive during intrauterine life are born with varying grades of brain and facial deformities. Extra craniofacial manifestations are common. Vertebral segmentation defects are rarely seen with holoprosencephaly, mainly in association with holoprosencephaly diencephalic hamartoblastoma (HDH) association. A female infant was born at term by normal delivery. Birth head circumference was below the 3rd percentile. Antenatal scan had showed microcephaly as the only abnormality...
2017: Iranian Journal of Child Neurology
https://www.readbyqxmd.com/read/28871368/infected-multilocular-hydrocephalus-treated-by-rigid-and-flexible-endoscopes-with-electromagnetic-guided-neuronavigation-a-case-report
#10
Ryuji Ishizaki, Yuzuru Tashiro
BACKGROUND: Endoscopic surgery assisted by a navigation system has greatly aided treatment of infected multilocular hydrocephalus, especially in children. CASE REPORT: We describe a 2-year-old boy with multilocular hydrocephalus caused by repeated shunt infection, presenting with fever and vomiting. Magnetic resonance images (MRI) showed extraventricular cysts and severe ventricular deformity. There were three ventriculoperitoneal shunts and one residual ventricular catheter...
September 4, 2017: Child's Nervous System: ChNS: Official Journal of the International Society for Pediatric Neurosurgery
https://www.readbyqxmd.com/read/28867998/functional-magnetic-resonance-imaging-and-functional-near-infrared-spectroscopy-insights-from-combined-recording-studies
#11
REVIEW
Vanessa Scarapicchia, Cassandra Brown, Chantel Mayo, Jodie R Gawryluk
Although blood oxygen level dependent (BOLD) functional magnetic resonance imaging (fMRI) is a widely available, non-invasive technique that offers excellent spatial resolution, it remains limited by practical constraints imposed by the scanner environment. More recently, functional near infrared spectroscopy (fNIRS) has emerged as an alternative hemodynamic-based approach that possesses a number of strengths where fMRI is limited, most notably in portability and higher tolerance for motion. To date, fNIRS has shown promise in its ability to shed light on the functioning of the human brain in populations and contexts previously inaccessible to fMRI...
2017: Frontiers in Human Neuroscience
https://www.readbyqxmd.com/read/28864462/rapid-whole-genome-sequencing-identifies-a-novel-gabra1-variant-associated-with-west-syndrome
#12
Lauge Farnaes, Shareef A Nahas, Shimul Chowdhury, James Nelson, Serge Batalov, David M Dimmock, Stephen F Kingsmore
A 9-mo-old infant was admitted with infantile spasms that improved on administration of topiramate and steroids. He also had developmental delay, esotropia, and hypsarrhythmia on interictal electroencephalogram (EEG), and normal brain magnetic resonance imaging (MRI). West syndrome is the triad of infantile spasms, interictal hypsarrhythmia, and mental retardation. Rapid trio whole-genome sequencing (WGS) revealed a novel, likely pathogenic, de novo variant in the gene encoding γ-aminobutyric acid (GABA) type A receptor, α1 polypeptide (GABRA1 c...
September 2017: Cold Spring Harbor Molecular Case Studies
https://www.readbyqxmd.com/read/28864243/diagnostic-value-of-conventional-mri-combined-with-dti-for-neonatal-hyperbilirubinemia
#13
Ruifang Yan, Dongming Han, Jipeng Ren, Zhansheng Zhai, Fengmei Zhou, Jingliang Cheng
BACKGROUND: Neonatal hyperbilirubinemia (NHB) is a common clinical disease and can cause bilirubin encephalopathy in severe cases. It is now widely accepted that increased signal intensity in the globus pallidus on MR T1WI is an important sign of neonatal bilirubin encephalopathy. And brain diffusion tensor imaging (DTI) has not been used extensively to study hyperbilirubinemia (HB). So we compared newborns with different hyperbilirubinemia of different severities and healthy newborns in order to determine the relationships among MRI signal intensities, serum bilirubin levels, and the molecular changes in brain water diffusion in hyperbilirubinemia...
August 3, 2017: Pediatrics and Neonatology
https://www.readbyqxmd.com/read/28861337/clinical-neuroimaging-in-the-preterm-infant-diagnosis-and-prognosis
#14
REVIEW
Manuel Hinojosa-Rodríguez, Thalía Harmony, Cristina Carrillo-Prado, John Darrell Van Horn, Andrei Irimia, Carinna Torgerson, Zachary Jacokes
Perinatal care advances emerging over the past twenty years have helped to diminish the mortality and severe neurological morbidity of extremely and very preterm neonates (e.g., cystic Periventricular Leukomalacia [c-PVL] and Germinal Matrix Hemorrhage - Intraventricular Hemorrhage [GMH-IVH grade 3-4/4]; 22 to < 32 weeks of gestational age, GA). However, motor and/or cognitive disabilities associated with mild-to-moderate white and gray matter injury are frequently present in this population (e.g., non-cystic Periventricular Leukomalacia [non-cystic PVL], neuronal-axonal injury and GMH-IVH grade 1-2/4)...
2017: NeuroImage: Clinical
https://www.readbyqxmd.com/read/28856131/resting-state-functional-connectivity-in-the-infant-brain-methods-pitfalls-and-potentiality
#15
Chandler R L Mongerson, Russell W Jennings, David Borsook, Lino Becerra, Dusica Bajic
Early brain development is characterized by rapid growth and perpetual reconfiguration, driven by a dynamic milieu of heterogeneous processes. Postnatal brain plasticity is associated with increased vulnerability to environmental stimuli. However, little is known regarding the ontogeny and temporal manifestations of inter- and intra-regional functional connectivity that comprise functional brain networks. Resting-state functional magnetic resonance imaging (rs-fMRI) has emerged as a promising non-invasive neuroinvestigative tool, measuring spontaneous fluctuations in blood oxygen level dependent (BOLD) signal at rest that reflect baseline neuronal activity...
2017: Frontiers in Pediatrics
https://www.readbyqxmd.com/read/28855493/clinical-characteristics-of-17-adult-patients-with-epidemic-myalgia-associated-with-human-parechovirus-type-3-infection
#16
Tatsushi Yamakawa, Katsumi Mizuta, Katsurou Kurokawa, Hikaru Nagasawa, Takahiro Yamada, Emiko Suzuki, Manabu Wada
We investigated 17 adult cases (14 males and 3 females) of myalgia induced by human parechovirus type 3 (HPeV3) infection, treated during the summers of 2008, 2011, 2014, and 2016. The patients were aged between 21 and 50 years. The limbs and trunk of all patients were affected, and severe myalgia, muscle weakness, and decreased grip strength were observed. In addition to myalgia and muscle weakness, symptoms included fever in 14 (82%), upper respiratory inflammation in 8 (47%), gastroenteritis in 4 (24%), and scrotal pain in 4 (29% of males) patients...
August 31, 2017: Rinshō Shinkeigaku, Clinical Neurology
https://www.readbyqxmd.com/read/28854519/isolated-neonatal-mri-punctate-white-matter-lesions-in-very-preterm-neonates-and-quality-of-life-at-school-age
#17
C Arberet, M Proisy, J L Fausser, M Curt, P Bétrémieux, C Tréguier, C Rozel, P Pladys
OBJECTIVE: To study the quality of life at school age of very preterm infants presenting isolated punctate periventricular white matter lesions (IPWL) on late-preterm or term magnetic resonance imaging (MRI). METHODS: In 1996-2000, 16 of the 131 very preterm neonates explored by MRI were found to have IPWL. At the age of 9-14, 12 children from the IPWL group were compared with 54 children born preterm but with a normal MRI (no lesion). Quality of life (Health Status Classification System Pre School questionnaire), school performance, and motor outcome were investigated...
August 23, 2017: Journal of Neonatal-perinatal Medicine
https://www.readbyqxmd.com/read/28852582/term-neonate-with-atypical-hypoxic-ischemic-encephalopathy-presentation-a-case-report
#18
Nick Townley, Emily McNellis, Venkatesh Sampath
We describe a case of atypical hypoxic-ischemic encephalopathy (HIE) in a neonate following a normal pregnancy and delivery who was found to have an umbilical vein thrombosis. The infant arrived to our center with continuous bicycling movement of her lower extremities. She had a continuous electroencephalogram that showed burst suppression and magnetic resonance imaging of the brain showed diffusely abnormal cerebral cortical/subcortical diffusion restriction which may be secondary hypoxic-ischemic injury. Interestingly, a pathology report noted a focal umbilical vein thrombosis appearing to have compressed an umbilical artery with associated arterial dissection and hematoma...
July 2017: American Journal of Perinatology Reports
https://www.readbyqxmd.com/read/28842114/intergenerational-effect-of-maternal-exposure-to-childhood-maltreatment-on-newborn-brain-anatomy
#19
Nora K Moog, Sonja Entringer, Jerod M Rasmussen, Martin Styner, John H Gilmore, Norbert Kathmann, Christine M Heim, Pathik D Wadhwa, Claudia Buss
BACKGROUND: Childhood maltreatment (CM) confers deleterious long-term consequences, and growing evidence suggests some of these effects may be transmitted across generations. We examined the intergenerational effect of maternal CM exposure on child brain structure and also addressed the hypothesis that this effect may start during the child's intrauterine period of life. METHODS: A prospective longitudinal study was conducted in a clinical convenience sample of 80 mother-child dyads...
July 21, 2017: Biological Psychiatry
https://www.readbyqxmd.com/read/28838528/cardiac-lymphangioma-encasing-right-coronary-artery-in-an-infant
#20
Neha Bansal, Sara Haidar-El-Atrache, Henry L Walters, Daisuke Kobayashi
Cardiac lymphangioma is a rare primary benign tumor of the heart. We report a 3-year-old with cystic lymphangioma encasing the right coronary artery. Cardiac magnetic resonance imaging confirmed a intra-pericardial heterogeneous mass measuring 2.6 × 2.4 × 3.9 cm and situated right anterolateral to the ascending aorta and extending into the right atrioventricular groove. Furthermore, the right coronary artery traversed through the center of the mass. Surgical resection, on cardiopulmonary bypass, consisted of excision by skeletonizing the right coronary artery along the length of the mass...
September 2017: Annals of Thoracic Surgery
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