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Motor impairment very preterm infants

Iryna Babik, James Cole Galloway, Michele A Lobo
Background.: Non-object-oriented exploratory behaviors infants perform with their bodies and surfaces have been proposed to be key precursors of infants' object exploration, early learning, and future cognitive development. Little is known about the developmental trajectories of these behaviors, especially for infants born preterm. Objective.: The purpose of the study was to longitudinally compare non-object-oriented exploratory behaviors performed by full-term and preterm infants...
June 12, 2017: Physical Therapy
Peter J Anderson, Karli Treyvaud, Jeffrey J Neil, Jeanie L Y Cheong, Rodney W Hunt, Deanne K Thompson, Katherine J Lee, Lex W Doyle, Terrie E Inder
OBJECTIVE: To determine the relationship between brain abnormalities on newborn magnetic resonance imaging (MRI) and neurodevelopmental impairment at 7 years of age in very preterm children. STUDY DESIGN: A total of 223 very preterm infants (<30 weeks of gestation or <1250 g) born at Melbourne's Royal Women's Hospital had a brain MRI scan at term equivalent age. Scans were scored using a standardized system that assessed structural abnormality of cerebral white matter, cortical gray matter, deep gray matter, and cerebellum...
June 2, 2017: Journal of Pediatrics
J M George, S Fiori, J Fripp, X K Pannek, X J Bursle, X R X Moldrich, X A Guzzetta, X A Coulthard, X R S Ware, X S E Rose, X P B Colditz, X R N Boyd
BACKGROUND AND PURPOSE: The diagnostic and prognostic potential of brain MR imaging before term-equivalent age is limited until valid MR imaging scoring systems are available. This study aimed to validate an MR imaging scoring system of brain injury and impaired growth for use at 29 to 35 weeks postmenstrual age in infants born at <31 weeks gestational age. MATERIALS AND METHODS: Eighty-three infants in a prospective cohort study underwent early 3T MR imaging between 29 and 35 weeks' postmenstrual age (mean, 32(+2) ± 1(+3) weeks; 49 males, born at median gestation of 28(+4) weeks; range, 23(+6)-30(+6) weeks; mean birthweight, 1068 ± 312 g)...
May 18, 2017: AJNR. American Journal of Neuroradiology
Jane Abbott, Janet Berrington, Ursula Bowler, Elaine Boyle, Jon Dorling, Nicholas Embleton, Edmund Juszczak, Alison Leaf, Louise Linsell, Samantha Johnson, Kenny McCormick, William McGuire, Tracy Roberts, Ben Stenson
BACKGROUND: In the UK, 1-2% of infants are born very preterm (<32 weeks of gestation) or have very low birth weight (<1500 g). Very preterm infants are initially unable to be fed nutritional volumes of milk and therefore require intravenous nutrition. Milk feeding strategies influence several long and short term health outcomes including growth, survival, infection (associated with intravenous nutrition) and necrotising enterocolitis (NEC); with both infection and NEC being key predictive factors of long term disability...
January 28, 2017: BMC Pediatrics
J W Logan, O Dammann, E N Allred, C Dammann, K Beam, R M Joseph, T M O'Shea, A Leviton, K C K Kuban
OBJECTIVE: A neonatal illness severity score, The Score for Neonatal Acute Physiology-II (SNAP-II), predicts neurodevelopmental impairments at two years of age among children born extremely preterm. We sought to evaluate to what extent SNAP-II is predictive of cognitive and other neurodevelopmental impairments at 10 years of age. STUDY DESIGN: In a cohort of 874 children born before 28 weeks of gestation, we prospectively collected clinical, physiologic and laboratory data to calculate SNAP-II for each infant...
May 2017: Journal of Perinatology: Official Journal of the California Perinatal Association
C Peyton, E Yang, M E Msall, L Adde, R Støen, T Fjørtoft, A F Bos, C Einspieler, Y Zhou, M D Schreiber, J D Marks, A Drobyshevsky
BACKGROUND AND PURPOSE: Very preterm infants (birth weight, <1500 g) are at increased risk of cognitive and motor impairment, including cerebral palsy. These adverse neurodevelopmental outcomes are associated with white matter abnormalities on MR imaging at term-equivalent age. Cerebral palsy has been predicted by analysis of spontaneous movements in the infant termed "General Movement Assessment." The goal of this study was to determine the utility of General Movement Assessment in predicting adverse cognitive, language, and motor outcomes in very preterm infants and to identify brain imaging markers associated with both adverse outcomes and aberrant general movements...
October 27, 2016: AJNR. American Journal of Neuroradiology
Anne Synnes, Thuy Mai Luu, Diane Moddemann, Paige Church, David Lee, Michael Vincer, Marilyn Ballantyne, Annette Majnemer, Dianne Creighton, Junmin Yang, Reginald Sauve, Saroj Saigal, Prakesh Shah, Shoo K Lee
OBJECTIVES: Identify determinants of neurodevelopmental outcome in preterm children. METHODS: Prospective national cohort study of children born between 2009 and 2011 at <29 weeks gestational age, admitted to one of 28 Canadian neonatal intensive care units and assessed at a Canadian Neonatal Follow-up Network site at 21 months corrected age for cerebral palsy (CP), visual, hearing and developmental status using the Bayley Scales of Infant and Toddler Development-Third Edition (Bayley-III)...
May 2017: Archives of Disease in Childhood. Fetal and Neonatal Edition
Anjo J W M Janssen, Rob A B Oostendorp, Reinier P Akkermans, Katerina Steiner, Louis A A Kollée, Maria W G Nijhuis-van der Sanden
AIM: To determine longitudinal motor performance in very preterm (VPT) infants from 6 months to 5 years of age for the entire cohort of infants, according to gender and gestational age and at the individual level. METHOD: Single-center, prospective longitudinal study of 201 VPT infants (106 boys) without severe impairments. OUTCOMES: Motor performance was assessed with the Bayley Scales of Infant Development (BSID-II-MS: 6, 12, 24 months) and the Movement Assessment Battery for Children (MABC-2-NL: 5 years)...
December 2016: Research in Developmental Disabilities
Brian B Monson, Peter J Anderson, Lillian G Matthews, Jeffrey J Neil, Kush Kapur, Jeanie L Y Cheong, Lex W Doyle, Deanne K Thompson, Terrie E Inder
IMPORTANCE: Smaller cerebral volumes at hospital discharge in very preterm (VPT) infants are associated with poor neurobehavioral outcomes. Brain growth from the newborn period to middle childhood has not been explored because longitudinal data have been lacking. OBJECTIVES: To examine the pattern of growth of cerebral tissue volumes from hospital discharge to childhood in VPT infants and to determine perinatal risk factors for impaired brain growth and associations with neurobehavioral outcomes at 7 years...
August 1, 2016: JAMA Pediatrics
Giancarlo Natalucci, Beatrice Latal, Brigitte Koller, Christoph Rüegger, Beate Sick, Leonhard Held, Hans Ulrich Bucher, Jean-Claude Fauchère
IMPORTANCE: Very preterm infants are at risk of developing encephalopathy of prematurity and long-term neurodevelopmental delay. Erythropoietin treatment is neuroprotective in animal experimental and human clinical studies. OBJECTIVE: To determine whether prophylactic early high-dose recombinant human erythropoietin (rhEPO) in preterm infants improves neurodevelopmental outcome at 2 years' corrected age. DESIGN, SETTING, AND PARTICIPANTS: Preterm infants born between 26 weeks 0 days' and 31 weeks 6 days' gestation were enrolled in a randomized, double-blind, placebo-controlled, multicenter trial in Switzerland between 2005 and 2012...
May 17, 2016: JAMA: the Journal of the American Medical Association
M A Matthews, J L Aschner, A R Stark, P E Moore, J C Slaughter, S Steele, A Beller, G L Milne, O Settles, O Chorna, N L Maitre
OBJECTIVE: This study examined the association between increased early oxidative stress, measured by F2-isoprostanes (IsoPs), and respiratory morbidity at term equivalent age and neurological impairment at 12 months of corrected age (CA). STUDY DESIGN: Plasma samples were collected from 136 premature infants on days 14 and 28 after birth. All participants were infants born at ⩽28 weeks of gestational age enrolled into the Prematurity and Respiratory Outcomes Program (PROP) study...
September 2016: Journal of Perinatology: Official Journal of the California Perinatal Association
Sirkku Setänen, Liisa Lehtonen, Riitta Parkkola, Jaakko Matomäki, Leena Haataja
BACKGROUND: Preterm infants are at a higher risk for poor motor outcome than term infants. This study aimed to describe the long-term motor profile in very preterm born children. METHODS: A total of 98 very preterm infants were included. Volumetric brain magnetic resonance imaging (MRI) was performed at term age, and the Movement Assessment Battery for Children-Second Edition (The Movement ABC-2) was employed at 11 y of age. The diagnosis of Developmental Coordination Disorder (DCD) was determined at 11 y of age according to the International Classification of Diseases...
September 2016: Pediatric Research
Katelyn Cahill-Rowley, Jessica Rose
Children born preterm with very-low birth-weight (VLBW) have increased risk of motor impairment. Early identification of impairment guides treatment to improve long-term function. Temporal-spatial gait parameters are an easily-recorded assessment of gross motor function. The objective of this study was to characterize preterm toddlers' gait and its relationship with neurodevelopment. Velocity, cycle time, step width, step length and time asymmetry, %stance, %single-limb support, and %double-limb support were calculated for 81 VLBW preterm and 43 typically-developing (TD) toddlers...
March 2016: Gait & Posture
Jill G Zwicker, Steven P Miller, Ruth E Grunau, Vann Chau, Rollin Brant, Colin Studholme, Mengyuan Liu, Anne Synnes, Kenneth J Poskitt, Mikaela L Stiver, Emily W Y Tam
OBJECTIVE: To examine the relationship between morphine exposure and growth of the cerebellum and cerebrum in very preterm neonates from early in life to term-equivalent age, as well as to examine morphine exposure and brain volumes in relation to neurodevelopmental outcomes at 18 months corrected age (CA). STUDY DESIGN: A prospective cohort of 136 very preterm neonates (24-32 weeks gestational age) was serially scanned with magnetic resonance imaging near birth and at term-equivalent age for volumetric measurements of the cerebellum and cerebrum...
May 2016: Journal of Pediatrics
Katherine M Rand, Nicola C Austin, Terrie E Inder, Samudragupta Bora, Lianne J Woodward
OBJECTIVES: To document associations between confirmed and suspected neonatal infection and motor, cognitive, educational, and mental health outcomes of very preterm (VPT)-born children at 9 years of age; to examine the potential intervening role of cerebral white matter abnormalities (WMAs) and structural development on term magnetic resonance imaging. STUDY DESIGN: A regional cohort of 110 infants born VPT in Christchurch, New Zealand were studied from birth to age of 9 years...
March 2016: Journal of Pediatrics
Tara L Crapnell, Lianne J Woodward, Cynthia E Rogers, Terrie E Inder, Roberta G Pineda
OBJECTIVE: To examine the association of difficult feeding behaviors in very preterm infants at age 2 years with growth and neurodevelopmental outcomes and family factors and functioning. STUDY DESIGN: Eighty children born ≤30 weeks gestation were studied from birth until age 2 years. Feeding difficulties were assessed using the Eating Subscale of the Infant-Toddler Social Emotional Assessment at age 2 years, along with growth measurement and developmental testing...
December 2015: Journal of Pediatrics
Jonneke J Hollanders, Joël Israëls, Sylvia M van der Pal, Paul H Verkerk, Joost Rotteveel, Martijn J J Finken
CONTEXT: Transient hypothyroxinemia of prematurity (THoP) has been associated with neurodevelopmental impairment in infancy and childhood. It is not known whether these relations persist into adulthood. OBJECTIVE: The objective was to examine whether there is an effect of THoP on intelligence quotient (IQ) score and motor functioning at a young adult age. DESIGN: This study was part of the 19-year follow-up of the Project On Preterm and Small-for-gestational-age birth (POPS) cohort, which included infants born very preterm (ie, <32 wk) and/or with a very low birth weight (ie, <1500 g)...
December 2015: Journal of Clinical Endocrinology and Metabolism
Joanne M George, Roslyn N Boyd, Paul B Colditz, Stephen E Rose, Kerstin Pannek, Jurgen Fripp, Barbara E Lingwood, Melissa M Lai, Annice H T Kong, Robert S Ware, Alan Coulthard, Christine M Finn, Sasaka E Bandaranayake
BACKGROUND: More than 50 percent of all infants born very preterm will experience significant motor and cognitive impairment. Provision of early intervention is dependent upon accurate, early identification of infants at risk of adverse outcomes. Magnetic resonance imaging at term equivalent age combined with General Movements assessment at 12 weeks corrected age is currently the most accurate method for early prediction of cerebral palsy at 12 months corrected age. To date no studies have compared the use of earlier magnetic resonance imaging combined with neuromotor and neurobehavioural assessments (at 30 weeks postmenstrual age) to predict later motor and neurodevelopmental outcomes including cerebral palsy (at 12-24 months corrected age)...
September 16, 2015: BMC Pediatrics
Sumudu Ranasinghe, Grace Or, Eric Y Wang, Aiva Ievins, Merritt A McLean, Cristopher M Niell, Vann Chau, Peter K H Wong, Hannah C Glass, Joseph Sullivan, Patrick S McQuillen
UNLABELLED: Survivors of preterm birth are at high risk of pervasive cognitive and learning impairments, suggesting disrupted early brain development. The limits of viability for preterm birth encompass the third trimester of pregnancy, a "precritical period" of activity-dependent development characterized by the onset of spontaneous and evoked patterned electrical activity that drives neuronal maturation and formation of cortical circuits. Reduced background activity on electroencephalogram (EEG) is a sensitive marker of brain injury in human preterm infants that predicts poor neurodevelopmental outcome...
August 26, 2015: Journal of Neuroscience: the Official Journal of the Society for Neuroscience
Takeshi Kato, Tsurue Mandai, Sota Iwatani, Tsubasa Koda, Miwako Nagasaka, Kaori Fujita, Daisuke Kurokawa, Keiji Yamana, Kosuke Nishida, Mariko Taniguchi-Ikeda, Kenji Tanimura, Masashi Deguchi, Hideto Yamada, Kazumoto Iijima, Ichiro Morioka
BACKGROUND: Few studies have targeted psychomotor development and associated perinatal risk factors in Japanese very low birth weight (VLBW) infants who are severely small for gestational age (SGA). DESIGN/SUBJECTS: A single-center study was conducted in 104 Japanese VLBW infants who were born preterm, due to maternal, umbilical cord, or placental abnormalities, between 2000 and 2007. Psychomotor development as a developmental quotient (DQ) was assessed using the Kyoto Scale of Psychological Development at 3 years corrected age...
February 2016: Brain & Development
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