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Neonatal MRI

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https://www.readbyqxmd.com/read/28445905/prenatal-diagnosis-of-galen-vein-aneurysm-using-ultrasonography-and-magnetic-resonance-imaging-and-perinatal-and-long-term-neurological-outcomes-a-case-series
#1
Pedro Pires, Larisse de Brito Aurélio Martins, Norma Maria Tenório Brito Pires, Heron Werner, Adilson Cunha Ferreira, Edward Araujo Júnior
Objective To describe the prenatal diagnosis of Galen vein aneurysm (GVA) based on ultrasonography and magnetic resonance imaging (MRI) in a series of cases, as well as its postnatal outcomes and follow-up until 4 years of age. Methods A retrospective longitudinal study was performed, analyzing a database comprising seven cases of prenatal diagnosis of GVA at two Brazilian institutions from February of 2000 to May of 2012. The following data were evaluated: gestational age at diagnosis, GVA dimensions on ultrasonography, associated fetal changes, findings on fetal echocardiography, gestational age at delivery, type of delivery, birth weight, Apgar score at the 1st and 5th minutes, neonatal outcomes, and survival with follow-up until 4 years of age...
April 26, 2017: Revista Brasileira de Ginecologia e Obstetrícia
https://www.readbyqxmd.com/read/28443270/brain-lesions-among-orally-fed-and-gastrostomy-fed-dysphagic-preterm-infants-can-routine-qualitative-or-volumetric-quantitative-magnetic-resonance-imaging-predict-feeding-outcomes
#2
Nasser H Kashou, Irfaan A Dar, Mohamed A El-Mahdy, Charles Pluto, Mark Smith, Ish K Gulati, Warren Lo, Sudarshan R Jadcherla
INTRODUCTION: The usefulness of qualitative or quantitative volumetric magnetic resonance imaging (MRI) in early detection of brain structural changes and prediction of adverse outcomes in neonatal illnesses warrants further investigation. Our aim was to correlate certain brain injuries and the brain volume of feeding-related cortical and subcortical regions with feeding method at discharge among preterm dysphagic infants. MATERIALS AND METHODS: Using a retrospective observational study design, we examined MRI data among 43 (22 male; born at 31...
2017: Frontiers in Pediatrics
https://www.readbyqxmd.com/read/28438223/extrastriatal-changes-in-patients-with-late-onset-glutaric-aciduria-type-i-highlight-the-risk-of-long-term-neurotoxicity
#3
Nikolas Boy, Jana Heringer, Renate Brackmann, Olaf Bodamer, Angelika Seitz, Stefan Kölker, Inga Harting
BACKGROUND: Without neonatal initiation of treatment, 80-90% of patients with glutaric aciduria type 1 (GA1) develop striatal injury during the first six years of life resulting in a complex, predominantly dystonic movement disorder. Onset of motor symptoms may be acute following encephalopathic crisis or insidious without apparent crisis. Additionally, so-called late-onset GA1 has been described in single patients diagnosed after the age of 6 years. With the aim of better characterizing and understanding late-onset GA1 we analyzed clinical findings, biochemical phenotype, and MRI changes of eight late-onset patients and compared these to eight control patients over the age of 6 years with early diagnosis and start of treatment...
April 24, 2017: Orphanet Journal of Rare Diseases
https://www.readbyqxmd.com/read/28433476/patient-with-multiple-acyl-coa-dehydrogenation-deficiency-disease-and-flad1-mutations-benefits-from-riboflavin-therapy
#4
M Auranen, A Paetau, P Piirilä, A Pohju, T Salmi, A Lamminen, M Löfberg, S Mosegaard, R K Olsen, T Tyni
Multiple acyl-CoA dehydrogenation deficiency is genetically heterogenous metabolic disease with mutations in genes involved in electron transfer to the mitochondrial respiratory chain. Disease symptoms vary from severe neonatal form to late-onset presentation with metabolic acidosis, lethargy, vomiting, muscle pain and weakness. Riboflavin therapy has been shown to ameliorate diseases symptoms in some of these patients. Recently, mutations in FAD synthase have been described to cause multiple acyl-CoA dehydrogenation deficiency...
March 9, 2017: Neuromuscular Disorders: NMD
https://www.readbyqxmd.com/read/28424010/olfactory-development-part-1-function-from-fetal-perception-to-adult-wine-tasting
#5
Harvey B Sarnat, Laura Flores-Sarnat, Xing-Chang Wei
Discrimination of odorous molecules in amniotic fluid occur after 30 weeks' gestation; fetuses exhibit differential responses to maternal diet. Olfactory reflexes enable reliable neonatal testing. Olfactory bulbs can be demonstrated reliably by MRI after 30 weeks' gestation, and their hypoplasia or aplasia also documented by late prenatal and postnatal MRI. Olfactory axons project from nasal epithelium to telencephalon before olfactory bulbs form. Fetal olfactory maturation remains incomplete at term for neuronal differentiation, synaptogenesis, myelination, and persistence of the transitory fetal ventricular recess...
May 2017: Journal of Child Neurology
https://www.readbyqxmd.com/read/28422948/beyond-the-uterine-environment-nonhuman-primate-model-to-investigate-maternal-fetal-and-neonatal-outcomes-following-chronic-intrauterine-infection
#6
Meredith A Kelleher, Zheng Liu, Xiaojie Wang, Christopher D Kroenke, Lisa A Houser, Brandy L Dozier, Lauren D Martin, Ken B Waites, Cindy McEvoy, Robert L Schelonka, Peta L Grigsby
BACKGROUND: Intrauterine infection is a significant cause of early preterm birth. We have developed a fetal-neonatal model in the rhesus macaque to determine the impact of chronic intrauterine infection with Ureaplasma parvum on early neonatal reflexes and brain development. METHODS: Time-mated, pregnant rhesus macaques were randomized to be inoculated with U. parvum (serovar 1; 10(5)cfu) or control media at ~120 dGA. Neonates were delivered by elective hysterotomy at 135-147 dGA (term=167d) stabilized and cared for in our nonhuman primate neonatal intensive care unit...
April 19, 2017: Pediatric Research
https://www.readbyqxmd.com/read/28422947/factors-affecting-the-cognitive-profile-of-11-year-old-children-born-very-preterm
#7
Anna Nyman, Tapio Korhonen, Petriina Munck, Riitta Parkkola, Liisa Lehtonen, Leena Haataja
BACKGROUND: Preterm birth is a risk for cognitive development. This study assessed the cognitive profile of children born very preterm at the age of 11 years as well as associated risk factors. METHODS: A total of 128 children born very preterm were included. MRI was performed at term age. Cognitive development was assessed using the full-scale intelligence quotient (IQ) and four domains of the Wechsler Intelligence Scale for Children, fourth edition (WISC-IV), Finnish translation...
April 19, 2017: Pediatric Research
https://www.readbyqxmd.com/read/28419634/contrast-enhanced-ultrasound-and-elastography-imaging-of-the-neonatal-brain-a-review
#8
REVIEW
Christopher Bailey, Thierry A G M Huisman, Robert M de Jong, Misun Hwang
Neonates presenting with neurologic symptoms require rapid, noninvasive imaging with high spatial resolution and tissue contrast. Magnetic resonance imaging (MRI) is currently the most sensitive and specific imaging modality for evaluation of neurological pathology. This modality does come with several challenges in the neonatal population, namely, the need to transport a possibly critically sick neonate to the MRI suite and the necessity of the neonate to remain still for a significant length of time, occasionally requiring sedation...
April 17, 2017: Journal of Neuroimaging: Official Journal of the American Society of Neuroimaging
https://www.readbyqxmd.com/read/28412496/magnesium-sulfate-mg-prevents-maternal-inflammation-induced-offspring-cerebral-injury-evident-on-mri-but-not-via-il-1%C3%AE
#9
Yuval Ginsberg, Nizar Khatib, Boaz Weiss, Shay Arison, Michael G Ross, Zeev Weiner, Ron Beloosesky
OBJECTIVE: As maternal treatment with magnesium sulfate (MG) may protect the fetal brain, we sought to assess the inflammation associated neuroprotective potential of MG and its association to interleukin 1β (IL-1β). METHODS: Pregnant Sprague-Dawley rats at 18-day gestation received i.p. lipopolysaccharide (LPS) or saline. Dams were randomized to treatment with s.c. saline (control), or MG prior to or following the i.p. injection, resulting in three groups. At the end of the treatment, fetal brain IL-1β was quantified for 18 pregnant rats (six of each group)...
April 12, 2017: Neuroscience
https://www.readbyqxmd.com/read/28409761/the-question-of-whether-or-not-to-perform-therapeutic-hypothermia-a-case-of-neonatal-spinal-cord-injury
#10
K Yokoi, S Kobayashi, K Muramatsu, S Suzuki, H Gotou
Neonatal spinal cord injury is an extremely rare perinatal complication that often occurs concurrently with hypoxic ischemic encephalopathy (HIE), further complicating diagnosis of spinal cord injury. Although therapeutic hypothermia for moderate to severe HIE is widely recommended in Japan, it is difficult to determine whether it satisfies the neurological findings-related entry criteria in some patients.We describe a female infant with neonatal spinal cord injury after forceps delivery, who underwent therapeutic hypothermia upon diagnosis of HIE...
April 8, 2017: Journal of Neonatal-perinatal Medicine
https://www.readbyqxmd.com/read/28409752/early-appearance-of-tuberous-sclerosis-complex-on-cerebral-ultrasound-in-extremely-preterm-infant
#11
E B F Terpstra-Prinsen, K Kamphuis-Van Ulzen, K D Liem
Tuberous sclerosis complex (TSC) is an inherited neurocutaneous disorder. Diagnosis of early onset TSC in newborn infants is usually made by cardiac ultrasound because of circulatory problems due to cardiac rhabdomyoma. Early appearance of cortical tubers on cerebral ultrasound in newborn infants is very rare. Mostly TSC is diagnosed on MRI and not by cerebral ultrasound. Subependymal nodules are the usual presenting sign of TSC on cerebral ultrasound in neonates, which are often misdiagnosed as subependymal hemorrhage, calcifications or ischemic lesions after intrauterine germinal matrix hemorrhage...
April 8, 2017: Journal of Neonatal-perinatal Medicine
https://www.readbyqxmd.com/read/28397227/-prenatal-diagnosis-and-follow-up-of-a-case-with-lowe-syndrome-caused-by-interstitial-deletion-of-xq25-26
#12
Xiangyu Zhu, Jie Li, Tong Ru, Ruifang Zhu, Chenyan Dai, Wanjun Wang, Yali Hu
OBJECTIVE: To report on a sporadic case of Lowe syndrome diagnosed prenatally with ultrasound examination and genetic testing. METHODS: Detailed sonographic fetal screening was performed by an experienced sonographer at 32 weeks of gestation. Fetal cranial magnetic resonance imaging (MRI) was applied to detect potential brain abnormality. Chromosomal microarray analysis (CMA) was conducted on amniotic fluid sample from the fetus and peripheral blood sample from the mother...
April 10, 2017: Zhonghua Yi Xue Yi Chuan Xue za Zhi, Zhonghua Yixue Yichuanxue Zazhi, Chinese Journal of Medical Genetics
https://www.readbyqxmd.com/read/28394816/brain-mri-findings-in-pediatric-patients-post-ecmo
#13
Venessa L Pinto, Sumit Pruthi, Ashly C Westrick, Chevis N Shannon, Brian C Bridges, Truc M Le
Neurologic complications can occur with ECMO due to several factors. Prior studies identified neonates as having unique risk factors and neuro-imaging findings post-ECMO. The aim of this study is to describe brain MRI findings of pediatric patients treated with ECMO. We conducted a retrospective study of non-neonatal pediatric patients who underwent a comprehensive brain MRI after ECMO, between January 2000 and July 2015. We identified 47 pediatric patients in the study cohort with a median age of 8 months (IQR 3-170mo) and a median ECMO run duration of 7...
April 6, 2017: ASAIO Journal: a Peer-reviewed Journal of the American Society for Artificial Internal Organs
https://www.readbyqxmd.com/read/28372649/can-we-reduce-anesthesia-exposure-neonatal-brain-mri-swaddling-vs-sedation-a-national-survey
#14
Benjamin J Heller, Francine S Yudkowitz, Scott Lipson
STUDY OBJECTIVE: Neonatal magnetic resonance imaging (MRI) is a diagnostic modality that requires minimal motion to acquire quality images. Sedation or even general anesthesia may be necessary to achieve acceptable scans. There is a growing body of literature, especially in animal studies, that links neurotoxicity with anesthetic exposure to the developing brain. There is no study outlining strategies used by neonatal intensive care units (NICU) to achieve quality MRI images with limited exposure to medications identified as possibly harmful to the developing brain...
May 2017: Journal of Clinical Anesthesia
https://www.readbyqxmd.com/read/28371107/using-clinically-acquired-mri-to-construct-age-specific-adc-atlases-quantifying-spatiotemporal-adc-changes-from-birth-to-6-year-old
#15
Yangming Ou, Lilla Zöllei, Kallirroi Retzepi, Victor Castro, Sara V Bates, Steve Pieper, Katherine P Andriole, Shawn N Murphy, Randy L Gollub, Patricia Ellen Grant
Diffusion imaging is critical for detecting acute brain injury. However, normal apparent diffusion coefficient (ADC) maps change rapidly in early childhood, making abnormality detection difficult. In this article, we explored clinical PACS and electronic healthcare records (EHR) to create age-specific ADC atlases for clinical radiology reference. Using the EHR and three rounds of multiexpert reviews, we found ADC maps from 201 children 0-6 years of age scanned between 2006 and 2013 who had brain MRIs with no reported abnormalities and normal clinical evaluations 2+ years later...
March 31, 2017: Human Brain Mapping
https://www.readbyqxmd.com/read/28369850/an-mri-study-of-the-corpus-callosum-in-monkeys-developmental-trajectories-and-effects-of-neonatal-hippocampal-and-amygdala-lesions
#16
Christa Payne, Laetitia Cirilli, Jocelyne Bachevalier
This study provides the first characterization of early developmental trajectories of corpus callosum (CC) segments in rhesus macaques using noninvasive MRI techniques and assesses long-term effects of neonatal amygdala or hippocampal lesions on CC morphometry. In Experiment 1, 10 monkeys (5 males) were scanned at 1 week-2 years of age; eight additional infants (4 males) were scanned once at 1-4 weeks of age. The first 8 months showed marked growth across all segments, with sustained, albeit slower, growth through 24 months...
May 2017: Developmental Psychobiology
https://www.readbyqxmd.com/read/28359187/prediction-of-future-epilepsy-in-neonates-with-hypoxic-ischemic-encephalopathy-who-received-selective-head-cooling
#17
Tiffani L McDonough, Juliann M Paolicchi, Linda A Heier, Nikkan Das, Murray Engel, Jeffrey M Perlman, Zachary M Grinspan
Epilepsy outcomes after therapeutic hypothermia for neonates with hypoxic-ischemic encephalopathy are understudied. The authors used multivariable logistic regression to predict epilepsy in neonates after selective head cooling. Sensitivity analyses used magnetic resonance imaging (MRI) and electroencephalogram (EEG) interpretations by different clinicians. Fifty neonates had 2-year follow-up. Nine developed epilepsy. Predictors included pH ≤6.8 on day of birth (adjusted odds ratio [OR] 19 [95% confidence interval (CI) 1-371]), burst suppression on EEG on day 4 (8...
January 1, 2017: Journal of Child Neurology
https://www.readbyqxmd.com/read/28351437/-a-neonate-with-a-mass-on-the-upper-back
#18
J C Naafs, K Sax, M E van der Putten
Immediately after birth, a skin-covered mass with weak consistency was noted on the back of a full-term newborn boy. Ultrasound and MRI (performed to exclude spina bifida occulta) showed a multicystic venolymphatic malformation. Sclerotherapy or surgical excision are possible treatments. In asymptomatic patients, however, a watchful waiting approach is used.
2017: Nederlands Tijdschrift Voor Geneeskunde
https://www.readbyqxmd.com/read/28348910/a-wandering-abdominal-mass-in-a-neonate-an-enteric-duplication-cyst-mimicking-an-ovarian-cyst
#19
Shigeo Iijima
Enteric duplication cysts are rare congenital anomalies that are prenatally diagnosed through antenatal ultrasonography (US). In female patients, however, attention must be paid since these formations might be confused with ovarian cysts. Herein, we present a case of a low birth weight female infant with an enteric duplication cyst. A cystic lesion was detected in the right abdomen of the fetus on antenatal US and magnetic resonance imaging (MRI). Serial US and MRI examinations performed after birth showed a single cyst that wandered from side to side in the abdomen; the initial diagnosis was thought to be an ovarian cyst...
2017: Case Reports in Pediatrics
https://www.readbyqxmd.com/read/28345195/diagnosing-neonatal-transphyseal-fractures-of-the-distal-humerus
#20
Matthew Kay, Carly Simpkins, Peter Shipman, Colin Whitewood
A traumatic birth can cause significant upper limb injury; the presenting features are non-specific and the differential diagnosis long. Transphyseal fractures of the distal humerus are a rare but clinically important birth injury. This injury has typical radiographic findings, which due to the un-ossified nature of the distal humeral epiphysis can easily be misinterpreted. This article presents the radiographic appearance correlated with arthrography, ultrasound and MRI obtained from four cases of neonatal transphyseal fracture of the distal humerus...
March 27, 2017: Journal of Medical Imaging and Radiation Oncology
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