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Stroke and neonate

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https://www.readbyqxmd.com/read/29323665/arterial-tortuosity-syndrome-40-new-families-and-literature-review
#1
Aude Beyens, Juliette Albuisson, Annekatrien Boel, Mazen Al-Essa, Waheed Al-Manea, Damien Bonnet, Ozlem Bostan, Odile Boute, Tiffany Busa, Nathalie Canham, Ergun Cil, Paul J Coucke, Margot A Cousin, Majed Dasouki, Julie De Backer, Anne De Paepe, Sofie De Schepper, Deepthi De Silva, Koenraad Devriendt, Inge De Wandele, David R Deyle, Harry Dietz, Sophie Dupuis-Girod, Eudice Fontenot, Björn Fischer-Zirnsak, Alper Gezdirici, Jamal Ghoumid, Fabienne Giuliano, Neus Baena Diéz, Mohammed Z Haider, Joshua S Hardin, Xavier Jeunemaitre, Eric W Klee, Uwe Kornak, Manuel F Landecho, Anne Legrand, Bart Loeys, Stanislas Lyonnet, Helen Michael, Pamela Moceri, Shehla Mohammed, Laura Muiño-Mosquera, Sheela Nampoothiri, Karin Pichler, Katrina Prescott, Anna Rajeb, Maria Ramos-Arroyo, Massimiliano Rossi, Mustafa Salih, Mohammed Z Seidahmed, Elise Schaefer, Elisabeth Steichen-Gersdorf, Sehime Temel, Fahrettin Uysal, Marine Vanhomwegen, Lut Van Laer, Lionel Van Maldergem, David Warner, Andy Willaert, Tom R Collins, Andrea Taylor, Elaine C Davis, Yuri Zarate, Bert Callewaert
PurposeWe delineate the clinical spectrum and describe the histology in arterial tortuosity syndrome (ATS), a rare connective tissue disorder characterized by tortuosity of the large and medium-sized arteries, caused by mutations in SLC2A10.MethodsWe retrospectively characterized 40 novel ATS families (50 patients) and reviewed the 52 previously reported patients. We performed histology and electron microscopy (EM) on skin and vascular biopsies and evaluated TGF-β signaling with immunohistochemistry for pSMAD2 and CTGF...
January 11, 2018: Genetics in Medicine: Official Journal of the American College of Medical Genetics
https://www.readbyqxmd.com/read/29316539/cyanosis-and-stroke-due-to-functional-cor-triatriatum-dexter-in-a-neonate
#2
Rachel L León, Nicholas B Zaban, Marcus S Schamberger, Chang Y Ho, Ulrike Mietzsch
Small remnants of the right valve of the sinus venosus are commonly found in adults, but the incidence and risk associated with these embryonic remnants in neonates are not well studied. The following report describes a cyanotic neonate with a large Eustachian valve remnant creating a functional cor triatriatum dexter who was initially diagnosed with persistent pulmonary hypertension of the newborn. The cyanosis in this infant improved over the first postnatal week with conservative management, but she suffered multifocal subcortical stroke, likely related to her intracardiac shunt...
January 10, 2018: Neonatology
https://www.readbyqxmd.com/read/29310519/intranasal-stem-cell-treatment-as-a-novel-therapy-for-subarachnoid-hemorrhage
#3
Cora H Nijboer, Elke Kooijman, Cindy T van Velthoven, Erik Van Tilborg, Ivo A Tiebosch, Niels Eijkelkamp, Rick M Dijkhuizen, Jozef Kesecioglu, Cobi Heijnen
Subarachnoid hemorrhage (SAH) represents a major health problem in Western society due to high mortality and morbidity, and the relative young age of patients. Currently, efficacious therapeutic options are very limited. Mesenchymal stem cell (MSC) administration has been shown to improve functional outcome and lesion size in experimental models of stroke and neonatal hypoxic-ischemic brain injury. Here we studied the therapeutic potential of intranasally administered bone marrow-derived MSCs relatively late post-insult using a rat endovascular puncture model for SAH...
January 8, 2018: Stem Cells and Development
https://www.readbyqxmd.com/read/29286442/neurobehavioral-assessments-in-a-mouse-model-of-neonatal-hypoxic-ischemic-brain-injury
#4
MinGi Kim, Ji Hea Yu, Jung Hwa Seo, Yoon-Kyum Shin, Soohyun Wi, Ahreum Baek, Suk-Young Song, Sung-Rae Cho
We performed unilateral carotid artery occlusion on CD-1 mice to create a neonatal hypoxic-ischemic (HI) model and investigated the effects of neonatal HI brain injury by studying neurobehavioral functions in these mice compared to non-operated (i.e., normal) mice. During the study, Rice-Vannucci's method was used to induce neonatal HI brain damage in postnatal day 7-10 (P7-10) mice. The HI operation was performed on the pups by unilateral carotid artery ligation and exposure to hypoxia (8% O2 and 92% N2 for 90 min)...
November 24, 2017: Journal of Visualized Experiments: JoVE
https://www.readbyqxmd.com/read/29278365/sexually-dimorphic-outcomes-after-neonatal-stroke-and-hypoxia-ischemia
#5
REVIEW
Christiane Charriaut-Marlangue, Valérie C Besson, Olivier Baud
Cohort studies have demonstrated a higher vulnerability in males towards ischemic and/or hypoxic-ischemic injury in infants born near- or full-term. Male sex was also associated with limited brain repair following neonatal stroke and hypoxia-ischemia, leading to increased incidence of long-term cognitive deficits compared to females with similar brain injury. As a result, the design of pre-clinical experiments considering sex as an important variable was supported and investigated because neuroprotective strategies to reduce brain injury demonstrated sexual dimorphism...
December 26, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/29277101/incidence-and-management-of-thrombotic-and-thromboembolic-complications-following-the-superior-cavopulmonary-anastomosis-procedure-a-literature-review
#6
Arnav Agarwal, Mohammed Firdouse, Nishaan Brar, Andy Yang, Panos Lambiris, Anthony K Chan, Tapas Kumar Mondal
The objective of this literature review was to estimate the incidence of thrombosis and thromboembolism associated with the superior cavopulmonary anastomosis (SCPA) procedure and its variants and to examine current thromboprophylaxis regimens utilized. MEDLINE and EMBASE were searched from inception to August 2017 for all prospective and retrospective cohort studies explicitly reporting incidence of thrombosis, thromboembolism, or shunt occlusion in neonates, infants, and children undergoing 1 or more variants of the SCPA procedure...
January 1, 2017: Clinical and Applied Thrombosis/hemostasis
https://www.readbyqxmd.com/read/29241822/neural-correlates-of-gentle-skin-stroking-in-early-infancy
#7
Jetro J Tuulari, Noora M Scheinin, Satu Lehtola, Harri Merisaari, Jani Saunavaara, Riitta Parkkola, Isac Sehlstedt, Linnea Karlsson, Hasse Karlsson, Malin Björnsdotter
Physical expressions of affection play a foundational role in early brain development, but the neural correlates of affective touch processing in infancy remain unclear. We examined brain responses to gentle skin stroking, a type of tactile stimulus associated with affectionate touch, in young infants. Thirteen term-born infants aged 11-36days, recruited through the FinnBrain Birth Cohort Study, were included in the study. Soft brush strokes, which activate brain regions linked to somatosensory as well as socio-affective processing in children and adults, were applied to the skin of the right leg during functional magnetic resonance imaging...
October 24, 2017: Developmental Cognitive Neuroscience
https://www.readbyqxmd.com/read/29237403/isolated-and-repeated-stroke-like-episodes-in-a-middle-aged-man-with-a-mitochondrial-nd3-t10158c-mutation-a-case-report
#8
Satomi Mezuki, Kenji Fukuda, Tomonaga Matsushita, Yoshihisa Fukushima, Ryu Matsuo, Yu-Ichi Goto, Takehiro Yasukawa, Takeshi Uchiumi, Dongchon Kang, Takanari Kitazono, Tetsuro Ago
BACKGROUND: Mitochondrial myopathy, encephalopathy, lactic acidosis and stroke-like episodes (MELAS) syndrome, is the most common phenotype of mitochondrial disease. It often develops in childhood or adolescence, usually before the age of 40, in a maternally-inherited manner. Mutations in mitochondrial DNA (mtDNA) are frequently responsible for MELAS. CASE PRESENTATION: A 55-year-old man, who had no family or past history of mitochondrial disorders, suddenly developed bilateral visual field constriction and repeated stroke-like episodes...
December 13, 2017: BMC Neurology
https://www.readbyqxmd.com/read/29228213/contemporary-incidence-of-stroke-focal-infarct-and-or-haemorrhage-determined-by-neuroimaging-and-neurodevelopmental-disability-at-12-months-of-age-in-neonates-undergoing-cardiac-surgery-utilizing-cardiopulmonary-bypass
#9
Charlotte E Verrall, Karen Walker, Alison Loughran-Fowlds, Kristina Prelog, Robert Goetti, Christopher Troedson, Julian Ayer, Jonathan Egan, Robert Halliday, Yishay Orr, Gary F Sholler, Nadia Badawi, David S Winlaw
OBJECTIVES: When evaluated prospectively, acute brain injury is reported in up to 75% of neonates undergoing cardiopulmonary bypass (CPB), predominantly white matter injury rather than stroke. This study investigates the incidence of stroke (focal infarct and/or haemorrhage) detected by neuroimaging in contemporary clinical practice, whereby magnetic resonance imaging/computed tomography routinely occurs in response to clinical events, comparing those undergoing the Norwood procedure with those undergoing other neonatal procedures involving CPB, and defines the relationship between stroke and neurodevelopmental disability (NDD) at 12 months of age...
December 8, 2017: Interactive Cardiovascular and Thoracic Surgery
https://www.readbyqxmd.com/read/29223466/long-term-pulmonary-and-cardiovascular-morbidities-of-neonatal-hyperoxia-exposure-in-mice
#10
Renuka T Menon, Amrit Kumar Shrestha, Corey L Reynolds, Roberto Barrios, Binoy Shivanna
Pulmonary hypertension (PH) frequently occurs in infants with bronchopulmonary dysplasia (BPD), causing increased mortality and right ventricular (RV) dysfunction that persists into adulthood. A first step in developing better therapeutic options is identifying and characterizing an appropriate animal model. Previously, we characterized the short-term morbidities of a model in which C57BL/6J wild-type (WT) mice were exposed to 70% O2 (hyperoxia) during the neonatal period. Here, we aimed to determine the long-term morbidities using lung morphometry, echocardiography (Echo), and cardiac magnetic resonance imaging (cMRI)...
December 7, 2017: International Journal of Biochemistry & Cell Biology
https://www.readbyqxmd.com/read/29205995/volume-and-health-outcomes-evidence-from-systematic-reviews-and-from-evaluation-of-italian-hospital-data
#11
Laura Amato, Danilo Fusco, Anna Acampora, Katia Bontempi, Alessandro Cesare Rosa, Paola Colais, Fabio Cruciani, Mariangela D'Ovidio, Francesca Mataloni, Silvia Minozzi, Zuzana Mitrova, Luigi Pinnarelli, Rosella Saulle, Salvatore Soldati, Chiara Sorge, Simona Vecchi, Martina Ventura, Marina Davoli
BACKGROUND Improving quality and effectiveness of healthcare is one of the priorities of health policies. Hospital or physician volume represents a measurable variable with an impact on effectiveness of healthcare. An Italian law calls for the definition of «qualitative, structural, technological, and quantitative standards of hospital care». There is a need for an evaluation of the available scientific evidence in order to identify qualitative, structural, technological, and quantitative standards of hospital care, including the volume of care above or below which the public and private hospitals may be accredited (or not) to provide specific healthcare interventions...
September 2017: Epidemiologia e Prevenzione
https://www.readbyqxmd.com/read/29201015/role-of-perinatal-inflammation-in-neonatal-arterial-ischemic-stroke
#12
REVIEW
Antoine Giraud, Clémence Guiraut, Mathilde Chevin, Stéphane Chabrier, Guillaume Sébire
Based on the review of the literature, perinatal inflammation often induced by infection is the only consistent independent risk factor of neonatal arterial ischemic stroke (NAIS). Preclinical studies show that acute inflammatory processes take place in placenta, cerebral arterial wall of NAIS-susceptible arteries and neonatal brain. A top research priority in NAIS is to further characterize the nature and spatiotemporal features of the inflammatory processes involved in multiple levels of the pathophysiology of NAIS, to adequately design randomized control trials using targeted anti-inflammatory vasculo- and neuroprotective agents...
2017: Frontiers in Neurology
https://www.readbyqxmd.com/read/29184182/a-quantitative-method-for-microstructural-analysis-of-myelinated-axons-in-the-injured-rodent-brain
#13
Erik van Tilborg, Caren M van Kammen, Caroline G M de Theije, Maurits P A van Meer, Rick M Dijkhuizen, Cora H Nijboer
MRI studies (e.g. using diffusion tensor imaging) revealed that injury to white matter tracts, as observed in for instance perinatal white matter injury and multiple sclerosis, leads to compromised microstructure of myelinated axonal tracts. Alterations in white matter microstructure are also present in a wide range of neurological disorders including autism-spectrum disorders, schizophrenia and ADHD. Whereas currently myelin quantity measures are often used in translational animal models of white matter disease, it can be an important valuable addition to study the microstructural organization of myelination patterns in greater detail...
November 28, 2017: Scientific Reports
https://www.readbyqxmd.com/read/29181841/epidural-therapy-for-the-treatment-of-severe-pre-eclampsia-in-non-labouring-women
#14
REVIEW
Amita Ray, Sujoy Ray
BACKGROUND: Pre-eclampsia is a pregnancy-specific multi-organ disorder, which is characterised by hypertension and multisystem organ involvement and which has significant maternal and fetal morbidity and mortality. Failure of the placental vascular remodelling and reduced uteroplacental flow form the etiopathological basis of pre-eclampsia. There are several established therapies for pre-eclampsia including antihypertensives and anticonvulsants. Most of these therapies aim at controlling the blood pressure or preventing complications of elevated blood pressure, or both...
November 28, 2017: Cochrane Database of Systematic Reviews
https://www.readbyqxmd.com/read/29180541/neonatal-brain-injuries-in-england-population-based-incidence-derived-from-routinely-recorded-clinical-data-held-in-the-national-neonatal-research-database
#15
Chris Gale, Yevgeniy Statnikov, Sena Jawad, Sabita N Uthaya, Neena Modi
OBJECTIVE: In 2015, the Department of Health in England announced an ambition to reduce 'brain injuries occurring during or soon after birth'. We describe the development of a pragmatic case definition and present annual incidence rates. DESIGN: Retrospective cohort study using data held in the National Neonatal Research Database (NNRD) extracted from neonatal electronic patient records from all National Health Service (NHS) neonatal units in England, Wales and Scotland...
October 22, 2017: Archives of Disease in Childhood. Fetal and Neonatal Edition
https://www.readbyqxmd.com/read/29175171/early-warning-system-hypertension-thresholds-to-predict-adverse-outcomes-in-pre-eclampsia-a-prospective-cohort-study
#16
Hannah L Nathan, Paul T Seed, Natasha L Hezelgrave, Annemarie De Greeff, Elodie Lawley, John Anthony, David R Hall, Wilhelm Steyn, Lucy C Chappell, Andrew H Shennan
OBJECTIVES: To evaluate the association between blood pressure (BP) measurements and adverse outcomes in women with pre-eclampsia. STUDY DESIGN: A prospective cohort study of women with pre-eclampsia admitted to three South African tertiary facilities. BP was measured using the CRADLE Vital Signs Alert (VSA), incorporated with a traffic light early warning system; green: systolic BP <140 mmHg and diastolic BP <90 mmHg, yellow: systolic BP 140-159 and/or diastolic BP 90-109 mmHg (but neither is above the upper threshold), red: systolic BP ≥160 mmHg and/or diastolic BP ≥110 mmHg...
November 21, 2017: Pregnancy Hypertension
https://www.readbyqxmd.com/read/29171427/baicalin-protects-neonatal-rat-brains-against-hypoxic-ischemic-injury-by-upregulating-glutamate-transporter-1-via-the-phosphoinositide-3-kinase-protein-kinase-b-signaling-pathway
#17
Zhi-Qing Zhou, Yong-Liang Li, Zhen-Bo Ao, Zhi-Li Wen, Qi-Wen Chen, Zheng-Gang Huang, Bing Xiao, Xiao-Hua Yan
Baicalin is a flavonoid compound extracted from Scutellaria baicalensis root. Recent evidence indicates that baicalin is neuroprotective in models of ischemic stroke. Here, we investigate the neuroprotective effect of baicalin in a neonatal rat model of hypoxic-ischemic encephalopathy. Seven-day-old pups underwent left common carotid artery ligation followed by hypoxia (8% oxygen at 37°C) for 2 hours, before being injected with baicalin (120 mg/kg intraperitoneally) and examined 24 hours later. Baicalin effectively reduced cerebral infarct volume and neuronal loss, inhibited apoptosis, and upregulated the expression of p-Akt and glutamate transporter 1...
October 2017: Neural Regeneration Research
https://www.readbyqxmd.com/read/29168218/the-clinical-epidemiology-of-sickle-cell-anemia-in-africa
#18
Alex W Macharia, George Mochamah, Sophie Uyoga, Carolyne M Ndila, Gideon Nyutu, Johnstone Makale, Metrine Tendwa, Emily Nyatichi, John Ojal, Mohammed Shebe, Kennedy O Awuondo, Neema Mturi, Norbert Peshu, Benjamin Tsofa, J Anthony G Scott, Kathryn Maitland, Thomas N Williams
Sickle cell anemia (SCA) is the commonest severe monogenic disorders of humans. The disease has been highly characterized in high-income countries but not in sub-Saharan Africa where SCA is most prevalent. We conducted a retrospective cohort study of all children 0-13 years admitted from within a defined study area to Kilifi County Hospital in Kenya over a five-year period. Children were genotyped for SCA retrospectively and incidence rates calculated with reference to population data. Overall, 576 of 18,873 (3...
November 23, 2017: American Journal of Hematology
https://www.readbyqxmd.com/read/29166948/cause-specific-mortality-for-249-causes-in-brazil-and-states-during-1990-2015-a-systematic-analysis-for-the-global-burden-of-disease-study-2015
#19
Elisabeth B França, Valéria Maria de Azeredo Passos, Deborah Carvalho Malta, Bruce B Duncan, Antonio Luiz P Ribeiro, Mark D C Guimarães, Daisy M X Abreu, Ana Maria N Vasconcelos, Mariângela Carneiro, Renato Teixeira, Paulo Camargos, Ana Paula S Melo, Bernardo L Queiroz, Maria Inês Schmidt, Lenice Ishitani, Roberto Marini Ladeira, Otaliba L Morais-Neto, Maria Tereza Bustamante-Teixeira, Maximiliano R Guerra, Isabela Bensenor, Paulo Lotufo, Meghan Mooney, Mohsen Naghavi
BACKGROUND: Reliable data on cause of death (COD) are fundamental for planning and resource allocation priorities. We used GBD 2015 estimates to examine levels and trends for the leading causes of death in Brazil from 1990 to 2015. METHODS: We describe the main analytical approaches focused on both overall and specific causes of death for Brazil and Brazilian states. RESULTS: There was an overall improvement in life expectancy at birth from 1990 to 2015, but with important heterogeneity among states...
November 22, 2017: Population Health Metrics
https://www.readbyqxmd.com/read/29166459/could-infarct-location-predict-the-long-term-functional-outcome-in-childhood-arterial-ischemic-stroke
#20
Mauricio López-Espejo, Marta Hernández-Chávez
OBJECTIVE: To explore the influence of infarct location on long-term functional outcome following a first-ever arterial ischemic stroke (AIS) in non-neonate children. METHOD: The MRIs of 39 children with AIS (median age 5.38 years; 36% girls; mean follow-up time 5.87 years) were prospectively evaluated. Infarct location was classified as the absence or presence of subcortical involvement. Functional outcome was measured using the modified Rankin scale (mRS) for children after the follow-up assessment...
October 2017: Arquivos de Neuro-psiquiatria
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