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Ferreira-Vasques AT, Lamônica DAC. Motor, linguistic, personal and social aspects of children with Down syndrome. J Appl Oral Sci 2016; 23:424-30. [PMID: 26398516 PMCID: PMC4560504 DOI: 10.1590/1678-775720150102] [Citation(s) in RCA: 23] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/30/2022] Open
Abstract
A global developmental delay is expected from Down syndrome, affecting motor, cognitive, linguistic and personal-social skills. However, not always these delays are proportional; different conditions occur due to several intrinsic and extrinsic variables that must be controlled to form groups of greater homogeneity.
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102
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Bennema AN, Schendelaar P, Seggers J, Haadsma ML, Heineman MJ, Hadders-Algra M. Predictive value of general movements' quality in low-risk infants for minor neurological dysfunction and behavioural problems at preschool age. Early Hum Dev 2016; 94:19-24. [PMID: 26894664 DOI: 10.1016/j.earlhumdev.2016.01.010] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/10/2015] [Revised: 01/13/2016] [Accepted: 01/19/2016] [Indexed: 11/18/2022]
Abstract
BACKGROUND General movement (GM) assessment is a well-established tool to predict cerebral palsy in high-risk infants. Little is known on the predictive value of GM assessment in low-risk populations. AIMS To assess the predictive value of GM quality in early infancy for the development of the clinically relevant form of minor neurological dysfunction (complex MND) and behavioral problems at preschool age. STUDY DESIGN Prospective cohort study. SUBJECTS A total of 216 members of the prospective Groningen Assisted Reproductive Techniques (ART) cohort study were included in this study. ART did not affect neurodevelopmental outcome of these relatively low-risk infants born to subfertile parents. OUTCOME MEASURES GM quality was determined at 2 weeks and 3 months. At 18 months and 4 years, the Hempel neurological examination was used to assess MND. At 4 years, parents completed the Child Behavior Checklist; this resulted in the total problem score (TPS), internalizing problem score (IPS), and externalizing problem score (EPS). Predictive values of definitely (DA) and mildly (MA) abnormal GMs were calculated. RESULTS DA GMs at 2 weeks were associated with complex MND at 18 months and atypical TPS and IPS at 4 years (all p<0.05). Sensitivity and positive predictive value of DA GMs at 2 weeks were rather low (13%-60%); specificity and negative predictive value were excellent (92%-99%). DA GMs at 3 months occurred too infrequently to calculate prediction. MA GMs were not associated with outcome. CONCLUSIONS GM quality as a single predictor for complex MND and behavioral problems at preschool age has limited clinical value in children at low risk for developmental disorders.
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Affiliation(s)
- Anne N Bennema
- Division Developmental Neurology,Department of Paediatrics,University Medical Center Groningen,University of Groningen, Hanzeplein 1, Groningen GZ 9713, The Netherlands
| | - Pamela Schendelaar
- Division Developmental Neurology,Department of Paediatrics,University Medical Center Groningen,University of Groningen, Hanzeplein 1, Groningen GZ 9713, The Netherlands
| | - Jorien Seggers
- Division Developmental Neurology,Department of Paediatrics,University Medical Center Groningen,University of Groningen, Hanzeplein 1, Groningen GZ 9713, The Netherlands
| | - Maaike L Haadsma
- Department of Genetics, University Medical Center Groningen, University of Groningen, Hanzeplein 1, Groningen GZ 9713, The Netherlands
| | - Maas Jan Heineman
- Department of Obstetrics and Gynaecology, Academic Medical Center, Meibergdreef 9, Amsterdam AZ 1105, The Netherlands
| | - Mijna Hadders-Algra
- Division Developmental Neurology,Department of Paediatrics,University Medical Center Groningen,University of Groningen, Hanzeplein 1, Groningen GZ 9713, The Netherlands.
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Abstract
Survival after bypass surgery in moderate and severe congenital heart disease (CHD) has increased dramatically. Although cardiac outcome is often very good, these children are at increased risk of developmental impairments in all developmental domains. Risk factors for developmental impairment include a genetic disorder, preterm birth, longer intensive care stay, poorer socioeconomic environment, and more complex forms of CHD. Health care providers, patients, and parents must be aware and informed about noncardiac sequelae and tertiary centers performing open-heart surgery in neonates and infants must establish a neurodevelopmental follow-up program to provide regular neurodevelopmental assessments. These allow for individual counseling and early detection and treatment of developmental problems.
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Affiliation(s)
- Beatrice Latal
- Child Development Center, University Children's Hospital Zurich, Steinwiesstrasse 75, Zurich 8032, Switzerland.
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104
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Olsen JE, Brown NC, Eeles AL, Lee KJ, Anderson PJ, Cheong JLY, Doyle LW, Spittle AJ. Trajectories of general movements from birth to term-equivalent age in infants born <30 weeks' gestation. Early Hum Dev 2015; 91:683-8. [PMID: 26513629 DOI: 10.1016/j.earlhumdev.2015.09.009] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/03/2015] [Revised: 09/21/2015] [Accepted: 09/22/2015] [Indexed: 11/28/2022]
Abstract
BACKGROUND General movements (GMs) is an assessment with good predictive validity for neurodevelopmental outcomes in preterm infants. However, there is limited information describing the early GMs of very preterm infants, particularly prior to term. AIMS To describe the early GMs trajectory of very preterm infants (born <30weeks' gestation) from birth to term-equivalent age, and to assess the influence of known perinatal risk factors on GMs. STUDY DESIGN Prospective cohort study. SUBJECTS 149 very preterm infants born <30weeks' gestation. OUTCOME MEASURES GMs were recorded weekly from birth until 32weeks' postmenstrual age, and then fortnightly until 38weeks' postmenstrual age. GMs were also assessed at term-equivalent age. Detailed perinatal data were collected. RESULTS Of 669 GMs assessed, 551 were preterm and 118 were at term-equivalent age. Prior to term, 15% (n=82) of GMs were normal and 85% (n=469) were abnormal, with the proportion of abnormal GMs decreasing with increasing postmenstrual age (p for trend <0.001). By term-equivalent 30% (n=35) of GMs were normal. On univariable analysis, lower gestational age (p<0.001), postnatal infection (p<0.001) and bronchopulmonary dysplasia (p=0.001) were associated with abnormal GMs. Postnatal infection was the only independent perinatal association with abnormal GMs on multivariable analysis. All four infants with grade III/IV intraventricular haemorrhage (IVH) had persistently abnormal GMs. CONCLUSIONS GMs were predominantly abnormal in very preterm infants, with a higher proportion of normal GMs at term-equivalent age than prior to term. Abnormal GMs were associated with postnatal infection and IVH.
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Affiliation(s)
- Joy E Olsen
- Murdoch Childrens Research Institute, 50 Flemington Road, Parkville, VIC 3052, Australia; University of Melbourne, Grattan Street, Parkville, VIC 3010, Australia; The Royal Women's Hospital, Cnr Grattan Street and Flemington Road, Parkville, VIC 3052, Australia.
| | - Nisha C Brown
- Murdoch Childrens Research Institute, 50 Flemington Road, Parkville, VIC 3052, Australia
| | - Abbey L Eeles
- Murdoch Childrens Research Institute, 50 Flemington Road, Parkville, VIC 3052, Australia
| | - Katherine J Lee
- Murdoch Childrens Research Institute, 50 Flemington Road, Parkville, VIC 3052, Australia; University of Melbourne, Grattan Street, Parkville, VIC 3010, Australia
| | - Peter J Anderson
- Murdoch Childrens Research Institute, 50 Flemington Road, Parkville, VIC 3052, Australia; University of Melbourne, Grattan Street, Parkville, VIC 3010, Australia
| | - Jeanie L Y Cheong
- Murdoch Childrens Research Institute, 50 Flemington Road, Parkville, VIC 3052, Australia; University of Melbourne, Grattan Street, Parkville, VIC 3010, Australia; The Royal Women's Hospital, Cnr Grattan Street and Flemington Road, Parkville, VIC 3052, Australia
| | - Lex W Doyle
- Murdoch Childrens Research Institute, 50 Flemington Road, Parkville, VIC 3052, Australia; University of Melbourne, Grattan Street, Parkville, VIC 3010, Australia; The Royal Women's Hospital, Cnr Grattan Street and Flemington Road, Parkville, VIC 3052, Australia
| | - Alicia J Spittle
- Murdoch Childrens Research Institute, 50 Flemington Road, Parkville, VIC 3052, Australia; University of Melbourne, Grattan Street, Parkville, VIC 3010, Australia; The Royal Women's Hospital, Cnr Grattan Street and Flemington Road, Parkville, VIC 3052, Australia
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105
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Milidou I, Lindhard MS, Søndergaard C, Olsen J, Henriksen TB. Developmental Coordination Disorder in Children with a History of Infantile Colic. J Pediatr 2015; 167:725-30.e1-2. [PMID: 26164380 DOI: 10.1016/j.jpeds.2015.06.005] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/09/2014] [Revised: 04/15/2015] [Accepted: 06/03/2015] [Indexed: 10/23/2022]
Abstract
OBJECTIVE To investigate whether children with a history of infantile colic showed impaired motor development at age 7 years compared with unaffected peers. STUDY DESIGN We studied 27,940 children from the Danish National Birth Cohort (1997-2002), including 1879 (6.8%) with a history of infantile colic. Infantile colic was defined according to the modified Wessel criteria as crying for more than 3 hours per day and more than 3 days per week. We compared the parental Developmental Coordination Disorder Questionnaire 2007 (DCDQ'07) scores in children with and without infantile colic after adjustment for intrauterine exposures, feeding type, parity, maternal age, socioeconomic status, Apgar score, gestational age, and birth weight. RESULTS Children with a history of infantile colic had an elevated risk of scoring above the predefined cutoff limit of possible or suspected developmental coordination disorder (OR, 1.3; 95% CI, 1.0-1.7; P = .034). The mean total DCDQ'07 score was -0.4 point (95% CI, -0.8 to 0) lower in children with a history of infantile colic. Moreover, they were at higher risk for a low total score (OR for a 10-point decrease, 1.1; 95% CI, 1.0-1.1; P = .006) and a low general coordination score (OR, 1.3; 95% CI, 1.1-1.5, P = .000) in the DCDQ'07. All associations appeared to be stronger among boys, but no statistically significant effect measure modification between infantile colic and sex was found. CONCLUSION We found no evidence of a strong association between infantile colic and developmental coordination disorder in this large Danish cohort.
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Affiliation(s)
- Ioanna Milidou
- Perinatal Epidemiology Research Unit, Department of Pediatrics, Aarhus University Hospital, Aarhus, Denmark.
| | | | | | - Jørn Olsen
- Department of Epidemiology, School of Public Health, Aarhus University, Aarhus, Denmark
| | - Tine Brink Henriksen
- Perinatal Epidemiology Research Unit, Department of Pediatrics, Aarhus University Hospital, Aarhus, Denmark; Department of Pediatrics, Aarhus University Hospital, Aarhus, Denmark
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Soleimani F, Badv RS, Momayezi A, Biglarian A, Marzban A. General movements as a predictive tool of the neurological outcome in term born infants with hypoxic ischemic encephalopathy. Early Hum Dev 2015; 91:479-82. [PMID: 26070097 DOI: 10.1016/j.earlhumdev.2015.05.007] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/06/2015] [Revised: 05/27/2015] [Accepted: 05/29/2015] [Indexed: 10/23/2022]
Abstract
BACKGROUND At a time of increasing high risk neonates, an assessment method is needed that can reliably predict neurological deficits at an early age. AIMS The objective of this study was to determine whether the assessment of fidgety movements (FMs) will predict the neurological outcome of infants with hypoxic ischemic encephalopathy (HIE). STUDY DESIGN This study employed a prospective and descriptive plan. SUBJECTS The study sample consisted of 15 infants (8 male and 7 female) born at term. Video recording of FMs were analyzed at 3 to 5 months' infants, who identified with perinatal asphyxia and neonatal HIE. FMs were classified as present or absent. OUTCOME MEASURES At 12-18 months age, the infants' developmental outcome was classified as normal or abnormal according to the Infant Neurological International Battery test. "Abnormal outcome" was denoted as poor motor or neurological outcome such as cerebral palsy, whereas "Normal outcome" denotes normal motor and neurological outcomes. RESULTS The predictive values of FMs were: a sensitivity 0.80 (95% CI: 0.44-0.96), a specificity 1.00 (95% CI: 0.47-1.00), and the accuracy 0.87 (0.57 to 1.00). CONCLUSIONS FMs assessment improves our ability to predict later neurodevelopmental outcomes in term born children with neonatal HIE.
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Affiliation(s)
- Farin Soleimani
- Pediatric Neurorehabilitation Research Center, University of Social Welfare and Rehabilitation Sciences, Kodakyar St, Daneshjo Blvd, Evin, P.O Box: 14155-6386, Tehran, Iran.
| | - Reza Shervin Badv
- Tehran University of Medical Science, Children's Medical Center of Excellence, Dr Gharib St, Keshavarz Blvd, P.O Box: 14155-6386, Tehran, Iran.
| | - Amin Momayezi
- Department of Pediatrics, School of Medicine, Zanjan University of Medical Sciences, Zanjan, Iran.
| | - Akbar Biglarian
- Department of Biostatistics, University of Social Welfare and Rehabilitation Sciences, Koodakyar Street, Daneshjoo Ave, Evin, Tehran 1985713834, Iran.
| | - Asghar Marzban
- Department of Pediatrics, School of Medicine, Zanjan University of Medical Sciences, Zanjan, Iran.
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107
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Lev-Enacab O, Sher-Censor E, Einspieler C, Daube-Fishman G, Beni-Shrem S. The Quality of Spontaneous Movements of Preterm Infants: Associations with the Quality of Mother-Infant Interaction. INFANCY 2015. [DOI: 10.1111/infa.12096] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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108
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Orlandi S, Guzzetta A, Bandini A, Belmonti V, Barbagallo SD, Tealdi G, Mazzotti S, Scattoni ML, Manfredi C. AVIM—A contactless system for infant data acquisition and analysis: Software architecture and first results. Biomed Signal Process Control 2015. [DOI: 10.1016/j.bspc.2015.04.011] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
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109
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Van Balen LC, Dijkstra LJ, Bos AF, Van Den Heuvel ER, Hadders-Algra M. Development of postural adjustments during reaching in infants at risk for cerebral palsy from 4 to 18 months. Dev Med Child Neurol 2015; 57:668-676. [PMID: 25645150 DOI: 10.1111/dmcn.12699] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Accepted: 12/14/2014] [Indexed: 12/01/2022]
Abstract
AIM To investigate postural adjustments during reaching in infants at high risk for cerebral palsy (CP). METHOD Observational cohort study in which 25 infants at high risk (11 males, 14 females) and 11 infants with typical development (six males, five females) were assessed at 4, 6, and 18 months corrected age. Reaching movements were elicited during supported and unsupported sitting, while surface electromyography was recorded of arm, neck, and trunk muscles. Percentages of direction-specific adjustments (first level of control), and recruitment patterns and anticipatory activation (second level of control) were calculated. Statistical analyses were performed with a binomial generalized estimating equations model for dichotomous variables and a linear mixed model for continuous variables. RESULTS Postural activity of infants at high risk for CP at 4 months was virtually similar to that of infants with typical development. At 18 months, infants at high risk differed from infants with typical development with less direction-specificity (median values 20% vs 58% at trunk and neck level, OR 0.38, 95% CI 0.18-0.82); longer latencies to trunk muscle activation; and less anticipatory activation (41% vs 55%, in any direction-specific muscle, OR 0.53, 95% CI 0.32-0.89). In unsupported sitting, results were largely similar to those in supported sitting. INTERPRETATION Infants at high risk for CP grew into a postural deficit: at 18 months they showed delayed development of direction-specificity, and postural dysfunction as evidenced by slower recruitment of postural muscles and less frequent anticipatory activation.
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Affiliation(s)
- Lieke C Van Balen
- Department of Paediatrics - Developmental Neurology, University Medical Center Groningen, University of Groningen, Groningen, the Netherlands
| | - Linze-Jaap Dijkstra
- Department of Paediatrics - Developmental Neurology, University Medical Center Groningen, University of Groningen, Groningen, the Netherlands
| | - Arend F Bos
- Department of Paediatrics - Neonatology, University Medical Center Groningen, University of Groningen, Groningen, the Netherlands
| | - Edwin R Van Den Heuvel
- Department of Epidemiology, University Medical Center Groningen, University of Groningen, Groningen, the Netherlands
| | - Mijna Hadders-Algra
- Department of Paediatrics - Developmental Neurology, University Medical Center Groningen, University of Groningen, Groningen, the Netherlands
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110
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Panteliadis CP, Hagel C, Karch D, Heinemann K. Cerebral Palsy: A Lifelong Challenge Asks for Early Intervention. Open Neurol J 2015; 9:45-52. [PMID: 26191093 PMCID: PMC4503828 DOI: 10.2174/1874205x01509010045] [Citation(s) in RCA: 25] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/29/2014] [Revised: 03/09/2015] [Accepted: 04/05/2015] [Indexed: 01/03/2023] Open
Abstract
One of the oldest and probably well-known examples of cerebral palsy is the mummy of the Pharaoh Siptah about 1196-1190 B.C., and a letter from Hippocrates (460-390 B.C.). Cerebral palsy (CP) is one of the most common congenital or acquired neurological impairments in paediatric patients, and refers to a group of children with motor disability and related functional defects. The visible core of CP is characterized by abnormal coordination of movements and/or muscle tone which manifest very early in the development. Resulting from pre- or perinatal brain damage CP is not a progressive condition per se. However, without systematic medical and physiotherapeutic support the dystonia leads to muscle contractions and to deterioration of the handicap. Here we review the three general spastic manifestations of CP hemiplegia, diplegia and tetraplegia, describe the diagnostic procedures and delineate a time schedule for an early intervention.
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Affiliation(s)
- Christos P Panteliadis
- Paediatric, Division of Paediatric Neurology and Developmental Medicine, Aristotle University of Thessaloniki, Greece
| | - Christian Hagel
- Institute of Neuropathology, University Medical Center Hamburg-Eppendorf, Germany
| | - Dieter Karch
- Clinic of Paediatric Neurology and Social Paediatrics, Children Centre Maulbronn, Germany
| | - Karl Heinemann
- Clinic of Paediatric Neurology and Social Paediatrics, Children Centre Maulbronn, Germany
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111
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The effect of maternal sleep-disordered breathing on the infant's neurodevelopment. Am J Obstet Gynecol 2015; 212:656.e1-7. [PMID: 25576821 DOI: 10.1016/j.ajog.2015.01.001] [Citation(s) in RCA: 32] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/26/2014] [Revised: 12/10/2014] [Accepted: 01/05/2015] [Indexed: 12/25/2022]
Abstract
OBJECTIVE We sought to examine the effect of maternal sleep-disordered breathing (SDB) on infant general movements (GMs) and neurodevelopment. STUDY DESIGN Pregnant women with uncomplicated full-term pregnancies and their offspring were prospectively recruited from a community and hospital low-risk obstetric surveillance. All participants completed a sleep questionnaire on second trimester and underwent ambulatory sleep evaluation (WatchPAT; Itamar Medical, Caesarea, Israel). They were categorized as SDB (apnea hypopnea index>5) and controls. Infant GMs were assessed in the first 48 hours and at 8-11 and 14-16 weeks of age. At 12 months of age the Infant Developmental Inventory and the Brief Infant Sleep Questionnaire were administered. RESULTS In all, 74 women and their full-term infants were studied. Eighteen (24%) women had SDB. Mean birthweight was 3347.1±423.9 g. Median Apgar score at 5 minutes was 10 (range, 8-10). In adjusted comparisons, no differences were found between infants born to mothers with SDB and controls in GM scores in all 3 evaluations. Low social developmental score was detected at 12 months in 64% of infants born to SDB mothers compared to 25% of infants born to controls (adjusted P=.036; odds ratio, 16.7). Infant snoring was reported by 41.7% of mothers with SDB compared to 7.5% of controls (P=.004). CONCLUSION Our preliminary results suggest that maternal SDB during pregnancy has no adverse effect on neonatal and infant neuromotor development but may affect social development at 1 year.
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112
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Einspieler C, Yang H, Bartl-Pokorny KD, Chi X, Zang FF, Marschik PB, Guzzetta A, Ferrari F, Bos AF, Cioni G. Are sporadic fidgety movements as clinically relevant as is their absence? Early Hum Dev 2015; 91:247-52. [PMID: 25748086 PMCID: PMC5951271 DOI: 10.1016/j.earlhumdev.2015.02.003] [Citation(s) in RCA: 43] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/19/2014] [Revised: 02/05/2015] [Accepted: 02/10/2015] [Indexed: 11/15/2022]
Abstract
BACKGROUND Infants with normal fidgety movements at 3 to 5 months after term are very likely to show neurologically normal development, while the absence of fidgety movements is an early marker for an adverse neurological outcome, mainly cerebral palsy (CP). The clinical significance of so-called sporadic fidgety movements (i.e., fidgety movements occur isolated in a few body parts and are of 1- to 3-second-duration) is not yet known. AIMS Our objective was to determine whether infants who had developed CP and had sporadic fidgety movements have a better outcome than infants who did not have fidgety movements. STUDY DESIGN Longitudinal study. Retrospective analysis of prospectively collected data. SUBJECTS 61 infants who developed CP (46 male, 15 female; 29 infants born preterm; videoed for the assessment of movements and postures at 9 to 16 weeks post-term age). OUTCOME MEASURES The Gross Motor Function Classification System (GMFCS) was applied at 3 to 5 years of age. RESULTS There was no difference between children diagnosed with CP who had sporadic fidgety movements at 9 to 16 weeks post-term age (n = 9) and those who never developed fidgety movements (n = 50) with regard to their functional mobility and activity limitation at 3 to 5 years of age. One infant had normal FMs and developed unilateral CP, GMFCS Level I; the remaining infant had abnormal FMs and developed bilateral CP, GMFCS Level II. CONCLUSIONS There is no evidence that the occurrence of occasional isolated fidgety bursts indicates a milder type of CP.
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Affiliation(s)
- Christa Einspieler
- Research Unit iDN, Interdisciplinary Developmental Neuroscience, Institute of Physiology, Center for Physiological Medicine, Medical University of Graz, Austria.
| | - Hong Yang
- Department of Rehabilitation, Children's Hospital of Fudan University, Shanghai, PR China
| | - Katrin D Bartl-Pokorny
- Research Unit iDN, Interdisciplinary Developmental Neuroscience, Institute of Physiology, Center for Physiological Medicine, Medical University of Graz, Austria
| | - Xia Chi
- Department of Pediatrics, Nanjing Maternity and Child Health Hospital, Nanjing Medical University, PR China
| | - Fei-Fei Zang
- Department of Rehabilitation, Children's Hospital of Fudan University, Shanghai, PR China
| | - Peter B Marschik
- Research Unit iDN, Interdisciplinary Developmental Neuroscience, Institute of Physiology, Center for Physiological Medicine, Medical University of Graz, Austria; Center of Neurodevelopmental Disorders, Karolinska Institutet, Stockholm, Sweden
| | - Andrea Guzzetta
- Department of Developmental Neuroscience, University of Pisa, Italy; IRCCS Fondazione Stella Maris, Pisa, Italy
| | - Fabrizio Ferrari
- Dept. of Neonatology, University of Modena and Reggio Emilia, Modena, Italy
| | - Arend F Bos
- Division of Neonatology, Beatrix Children's Hospital, University Medical Center, University of Groningen, The Netherlands
| | - Giovanni Cioni
- Department of Developmental Neuroscience, University of Pisa, Italy; IRCCS Fondazione Stella Maris, Pisa, Italy
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Gajewska E, Sobieska M. Qualitative elements of early motor development that influence reaching of the erect posture. A prospective cohort study. Infant Behav Dev 2015; 39:124-30. [PMID: 25827262 DOI: 10.1016/j.infbeh.2015.02.005] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/03/2015] [Revised: 02/24/2015] [Accepted: 02/28/2015] [Indexed: 11/18/2022]
Abstract
The proposed assessment sheet aims to show in detail, which qualitative elements of motor performance are performed correctly in the 2nd month of life by children who in the 9th month reached the erect posture. Similar analysis was performed for the qualitative assessment in the 6th month. The prospective investigation of motor development involved a group of 109 children (40 girls and 69 boys). The study was based on the previously described quantity and quality assessment sheet of motor performance, validated for the 2nd and 6th month. Final investigation took place in the 9th month of life and was based on a neurological assessment. It could be shown that a completely correct assessment at the age of 2 months precludes future severe motor development disorders, especially cerebral palsy, although it does not rule out a slight delay. Prematurity and the analyzed risk factors, particularly IVH, impair the motor performance. The absence of axial symmetry, the shoulders protraction and improper position of the pelvis are the most important alarming features at the 2nd month. Distal elements observed in the prone position at the 6th month show a good prognosis for the motor performance in the 9th month. Any abnormalities, mainly related to the body axis and symmetry observed at 2 months of age should encourage one to put a child under observation.
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Affiliation(s)
- Ewa Gajewska
- Poznan University of Medical Sciences, Department of Rheumatology and Rehabilitation, 28 Czerwca 135/147, 61-545 Poznań, Poland.
| | - Magdalena Sobieska
- Poznan University of Medical Sciences, Department of Rheumatology and Rehabilitation, 28 Czerwca 135/147, 61-545 Poznań, Poland
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114
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Neurodevelopmental outcome after extreme prematurity: a review of the literature. Pediatr Neurol 2015; 52:143-52. [PMID: 25497122 DOI: 10.1016/j.pediatrneurol.2014.10.027] [Citation(s) in RCA: 159] [Impact Index Per Article: 17.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/10/2013] [Revised: 10/28/2014] [Accepted: 10/28/2014] [Indexed: 01/08/2023]
Abstract
BACKGROUND Advances in obstetric and neonatal medical care and assisted reproductive technology have increased the rates of preterm birth, decreased preterm mortality rates, and lowered the limit of viability. However, morbidity in survivors, including neurodevelopmental disabilities, has increased, especially in extremely preterm infants born at ≤25 weeks' gestation. A better understanding of the prevalence and patterns of adverse neurodevelopmental outcomes in extremely preterm infants is important for patient care, counseling of families, and research. METHODS The PubMed and Ovid Medline databases were searched for full text articles published between 1999 and 2013 in English that reported neurodevelopmental outcomes after extreme prematurity, and a review of identified relevant cohort studies was performed. RESULTS Extreme prematurity of 22 to 25 weeks' gestation is associated with an overall high mortality of ≥50%. High rates (17% to 59%) of severe neurodevelopmental disabilities occur among survivors on short-term follow-up. The rates of surviving unimpaired or minimally impaired are 6% to 20% for live-born infants at ≤25 weeks' gestation and <5% for infants born at 22 and 23 weeks' gestation. Long-term adverse outcomes after extreme prematurity include intellectual disability (5% to 36%), cerebral palsy (9% to 18%), blindness (0.7% to 9%), and deafness (2% to 4%). Milder degrees of disability involving cognition, behavior, and learning are increasingly recognized among older preterm children, teens, and young adults. CONCLUSIONS Infants who are born at ≤25 weeks' gestation, especially those born at 22 and 23 weeks' gestation, have a very low likelihood of surviving little or no impairment. Nearly half of surviving extremely premature infants have significant neurodevelopmental disabilities on short- and long-term follow-up. Instituting early intervention programs, providing family support, and establishing special educational school programs can pay high dividends and lead to brighter futures and, hence, help improve neurodevelopmental outcome of preterm infants.
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Lamônica DAC, Santos MJDD, Paiva CST, Silva LTDN. Global developmental abilities of cochlear implanted children with spastic cerebral palsy: two experimental groups. Codas 2015; 26:213-8. [PMID: 25118917 DOI: 10.1590/2317-1782/201420130030] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/25/2013] [Accepted: 05/21/2014] [Indexed: 11/22/2022] Open
Abstract
PURPOSE To analyze gross motor, fine motor-adaptive, language, social function performance, and communicative behaviors among cochlear-implanted children with spastic cerebral palsy (CP) and children with CP without hearing loss (HL) and to compare them with children with normal development. METHODS Prospective cross-sectional study involving 12 children with mean age of 63 months, distributed into two experimental groups: G1-4 children with CP and cochlear implant (CI) users and G2-4 children with CP without HL. A third group (G3) was the control group with four typically developing children. In the experimental groups, six children were classified in level II and two in level IV, using the Gross Motor Function Classification System. We used the Denver Developmental Screening Test II and the Communicative Behavior Observation (CBO). RESULTS G3 showed better performance than G1 and G2 in all evaluations. G2 showed better results than G1 in language, communication, personal-social, and fine motor-adaptive areas, except in the gross motor area. Aspects of language and communicative behaviors were lower in both experimental groups, especially in G1. Skills related to personal-social area showed no differences among the groups. CONCLUSION Motor impairment of G1 and G2 and HL in G1 affected the development in the assessed areas, but these factors did not restrict personal-social development. Children with CP did not achieve high development in social function; however, the difference with relation to G3 was not statically significant. The CI provided a channel for oral language reception and social interaction, which has a key role in determining the quality of life.
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Abstract
ABSTRACT
It is obvious that this environment is quite different from one man is experiencing after birth, but, although different, intrauterine environment is ideal at that stage of human development. There is a question of the environmental discontinuity between intrauterine conditions characterized by existence of microgravity (baby astronaut hypothesis), and extrauterine life with gravity as developmental condition sine qua non. The human brain is one of the organs which is very sensitive to environmental changes affecting its growth and development. The brain of very tiny prematurely born babies is unable to follow the genetically determined growth pattern in extrauterine environment, even when postnatal nutrition and nurturing of the babies according to our best knowledge are appropriate. Is this fact of any significance to make distinction between normal and abnormal neurodevelopment pre- and postnatally is still unclear?
Kurjak antenatal neurodevelopmental test (KANET) using four-dimensional ultrasound (4D US) has been introduced using ten parameters and after attempt of standardization only eight parameters remained for neurodevelopmental assessment of low- and high-risk fetuses. We believe that at present level of knowledge, KANET test could be considered as a good test for the detection of fetuses with high neurological risk, without the possibility to define reliable long-term neurodevelopmental outcome. This is also hardly possible based on postnatal neurological assessment with 27 different postnatal tests. They were primarily neurobehavioral or neuromotor assessments that were suitable for use with preterm infants, and were discriminative, predictive or evaluative.
There was a high willingness of clinician to find postnatal neurodevelopmental test which could be predictive for short- term and long-term outcome of low and high-risk infants.
Although, there are many tests available for prenatal and postnatal assessment of neurodevelopment, none of them is reliable in the prediction of neurodevelopmental outcome in low-risk population, while many could be used with fairly acceptable predictivity in high-risk population. Although, many studies have been conducted in order to solve this problem, still there is a space for improvement. In postnatal period we are dealing with infant in front of the clinician with direct observation, while pretnatally we are dealing with quite different environment and less mature brain.
How to cite this article
Stanojevic M. Antenatal and Postnatal Assessment of Neurobehavior: Which One should be used? Donald School J Ultrasound Obstet Gynecol 2015;9(1):67-74.
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Abstract
ABSTRACT
Objective
The goal of this pilot test is to compare Kurjak's antenatal neurological test (KANET) results between high and low-risk pregnancies and see the feasibility of using this test on a larger scale in Brazil.
Methods
We applied KANET test in high-risk (n = 17) and low-risk (n = 34) pregnancies and compared the results.
Results
There was a significant difference between groups of high-risk and low-risk pregnancies for all parameters in KANET score 2. For KANET score 0, 5 out of 8 parameters where significant different: isolated head anteflexion, cranial sutures and head circumference, isolated hand movement or hand to face movements, isolated leg movement and fingers movements. All abnormal KANET result came from high-risk pregnancies (17.6%). No low-risk pregnancies presented KANET score 0. Efficacy and effectiveness were not evaluated due to the imprecision inherent in data from small samples.
Conclusion
This successful preliminary study of KANET in Brazil showed important differences in fetal behavior between the low and high-risk pregnancies, and can be used as information of feasibility and identify modifications needed in the design of a larger testing study.
How to cite this article
Neto RM. KANET in Brazil: First Experience. Donald School J Ultrasound Obstet Gynecol 2015;9(1):1-5.
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ABSTRACT
Introduction of three- and four-dimensional ultrasound into clinical practice enabled qualitative and quantitative assessment of fetal movements, including the analysis of fetal face expression which is considered to be the mirror of the maturational processes of upper motor neuron. Since, prenatal fetal behavioral patterns are reflections of developmental and maturational processes within the fetal central nervous system, the findings about changes in fetal movements and behavior could leed to the prenatal diagnosis of neurological impairment. Kurjak's antenatal neurodevelopment test (KANET) is the first prenatal test based on the three- and four-dimensional ultrasound examination of the fetus that could be used for the evaluation and prediction of the fetal neurologic status.
How to cite this article
Luetic AT. First Experience in Clinical Application of KANET. Donald School J Ultrasound Obstet Gynecol 2015;9(1):96-99.
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ABSTRACT
Neurological failure is the most apprehension complication of pregnancy, labor and the neonatal period. The origin and outcome correlation is frequently doubtful. The arrival of four-dimensional ultrasonography (4D US) and its function to study fetal behavior patterns have initiated to offer insight into the structural and functional fetal brain development. Although many fetal behavioral studies have been conducted, it is still questionable whether the assessment of continuity from fetal to neonatal behavior could improve our ability of early detection of brain pathology. Neurological assessment of fetus in utero is extremely difficult even having such sophisticated equipment like 4D ultrasound. As it is well known that quantity of GMs is not so informative and predictive for neurological impairment, their quality should be assessed. Gestalt perception of premature GMs we are dealing with in utero and several weeks postnatally are not as predictive for the detection of neurologically abnormal fetuses or newborns as fidgety GMs. Therefore, some additional parameters should be added to the prenatal neurological examination in order to improve our ability to make the distinction between normal and abnormal fetuses.
How to cite this article
Kurjak A, Antsaklis P, Stanojevic M. Fetal Neurology: Past, Present and Future. Donald School J Ultrasound Obstet Gynecol 2015;9(1):6-29.
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Choudhri AF, Sable HJ, Chizhikov VV, Buddington KK, Buddington RK. Parenteral nutrition compromises neurodevelopment of preterm pigs. J Nutr 2014; 144:1920-7. [PMID: 25342697 DOI: 10.3945/jn.114.197145] [Citation(s) in RCA: 22] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/17/2023] Open
Abstract
BACKGROUND Despite advances in nutritional support and intensive care, preterm infants are at higher risk of compromised neurodevelopment. OBJECTIVE This study evaluated the contribution of total parenteral nutrition (PN) to compromised neurodevelopment after preterm birth. METHODS Preterm pigs were provided PN or enteral nutrition (EN) for 10 d. Neurodevelopment was assessed by observations of motor activity and evaluation of sensory/motor reflexes, brain weight, MRI, and cerebellar histology. RESULTS Despite similar gains in body weight, PN pigs had smaller brains (32 ± 0.4 vs. 35 ± 0.6 g; P = 0.0002) including the cerebellum, as well as reduced motor activity (P = 0.005), which corresponded to underdeveloped myelination (P = 0.004) measured by diffusion tensor imaging. PN resulted in lower serum triglycerides (17 ± 5.9 vs. 27 ± 3.1 mg/dL; P = 0.05), total cholesterol (31 ± 9.6 vs. 85 ± 8.1 mg/dL; P = 0.04), VLDL cholesterol (3.7 ± 1.2 vs. 5.7 ± 0.7 mg/dL; P = 0.04), and HDL cholesterol (16 ± 4.6 vs. 57 ± 7.3 mg/dL; P = 0.03) and nonsignificantly lower LDL cholesterol (10.7 ± 4.4 vs. 22.7 ± 2.9 mg/dL; P = 0.09). CONCLUSIONS The compromised neurodevelopment caused by total PN is a novel finding, was independent of confounding variables (disease, inconsistent gestational ages, diverse genetics, extrauterine growth retardation, and inconsistent neonatal intensive care unit protocols), and highlights a need to improve current PN solutions. The preterm pig is a translational animal model for improving nutrition support to enhance neurodevelopment of preterm infants requiring PN.
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Affiliation(s)
- Asim F Choudhri
- Departments of Radiology and Le Bonheur Children's Hospital, Memphis, TN; and
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Gajewska E, Barańska E, Sobieska M, Moczko J. Motor performance in the third, not the second month, predicts further motor development. J Mot Behav 2014; 47:246-55. [PMID: 25415833 DOI: 10.1080/00222895.2014.974495] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/24/2022]
Abstract
The aim was to verify if motor performance at second or third month of life better predicts further development. The global motor development was assessed by a neurologist and by a physiotherapist in 111 children at 2, 3, 6, and 9 months. At 2 and 3 months a physiotherapist also performed the assessment of qualitative elements. The physiotherapeutic assessment in the third month showed higher compatibility with the neurological assessment. Proper motor performance at third month could ensure the level of at least 7 months in the ninth month of life. Qualitative score above 7 of 15 points in the third month ensured proper development in ninth month. Third month of life is a better predictor of further motor development.
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Affiliation(s)
- Ewa Gajewska
- a Department of Rheumatology and Rehabilitation , Poznań University of Medical Sciences , Poland
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Rihar A, Mihelj M, Kolar J, Pašič J, Munih M. Sensory data fusion of pressure mattress and wireless inertial magnetic measurement units. Med Biol Eng Comput 2014; 53:123-35. [PMID: 25367736 DOI: 10.1007/s11517-014-1217-z] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/26/2013] [Accepted: 10/20/2014] [Indexed: 11/28/2022]
Abstract
Head movement of infants is an important parameter for analysing infant motor patterns. Despite its importance, this field has received little sensory-based research in the past years. Therefore, we present a sensory-supported data fusion model for head movement analysis of infants in supine position. The sensory system comprises a pressure mattress and two wireless inertial magnetic measurement units, rendering precise, objective and non-intrusive information on pressure distribution and 3D trunk orientation, respectively. Algorithms first perform pressure data pre-processing and calculate image moments to acquire 2D trunk orientation. Afterwards, unscented Kalman filter is used for sensory data fusion. After additional data processing, head and trunk coordinates are calculated along with head displacement distance. The sensory system was tested on experimental measurements, performed in eight normally developing infants aged from 1 to 5 months. Results of several algorithm combinations were compared to referential video recordings in terms of head lifts. Combination of algorithms, incorporating head tracking and sensory data fusion provides completely accurate results in comparison to normative data. Statistical data analysis and referential optoelectronic measurements were performed to evaluate accuracy of the sensory fusion model. Suitability of the proposed sensory system for head movement analysis of infants in supine position was verified.
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Affiliation(s)
- Andraž Rihar
- Laboratory of Robotics, Faculty of Electrical Engineering, University of Ljubljana, Ljubljana, Slovenia,
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Philippi H, Karch D, Kang KS, Wochner K, Pietz J, Dickhaus H, Hadders-Algra M. Computer-based analysis of general movements reveals stereotypies predicting cerebral palsy. Dev Med Child Neurol 2014; 56:960-7. [PMID: 24844774 DOI: 10.1111/dmcn.12477] [Citation(s) in RCA: 34] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Accepted: 03/11/2014] [Indexed: 11/26/2022]
Abstract
AIM To evaluate a kinematic paradigm of automatic general movements analysis in comparison to clinical assessment in 3-month-old infants and its prediction for neurodevelopmental outcome. METHOD Preterm infants at high risk (n=49; 26 males, 23 females) and term infants at low risk (n=18; eight males, 10 females) of developmental impairment were recruited from hospitals around Heidelberg, Germany. Kinematic analysis of general movements by magnet tracking and clinical video-based assessment of general movements were performed at 3 months of age. Neurodevelopmental outcome was evaluated at 2 years. By comparing the general movements of small samples of children with and without cerebral palsy (CP), we developed a kinematic paradigm typical for infants at risk of developing CP. We tested the validity of this paradigm as a tool to predict CP and neurodevelopmental impairment. RESULTS Clinical assessment correctly identified almost all infants with neurodevelopmental impairment including CP, but did not predict if the infant would be affected by CP or not. The kinematic analysis, in particular the stereotypy score of arm movements, was an excellent predictor of CP, whereas stereotyped repetitive movements of the legs predicted any neurodevelopmental impairment. INTERPRETATION The automatic assessment of the stereotypy score by magnet tracking in 3-month-old spontaneously moving infants at high risk of developmental abnormalities allowed a valid detection of infants affected and unaffected by CP.
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Allievi AG, Arichi T, Gordon AL, Burdet E. Technology-aided assessment of sensorimotor function in early infancy. Front Neurol 2014; 5:197. [PMID: 25324827 PMCID: PMC4181230 DOI: 10.3389/fneur.2014.00197] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/30/2014] [Accepted: 09/17/2014] [Indexed: 01/31/2023] Open
Abstract
There is a pressing need for new techniques capable of providing accurate information about sensorimotor function during the first 2 years of childhood. Here, we review current clinical methods and challenges for assessing motor function in early infancy, and discuss the potential benefits of applying technology-assisted methods. We also describe how the use of these tools with neuroimaging, and in particular functional magnetic resonance imaging (fMRI), can shed new light on the intra-cerebral processes underlying neurodevelopmental impairment. This knowledge is of particular relevance in the early infant brain, which has an increased capacity for compensatory neural plasticity. Such tools could bring a wealth of knowledge about the underlying pathophysiological processes of diseases such as cerebral palsy; act as biomarkers to monitor the effects of possible therapeutic interventions; and provide clinicians with much needed early diagnostic information.
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Affiliation(s)
- Alessandro G Allievi
- Human Robotics Group, Department of Bioengineering, Imperial College London , London , UK
| | - Tomoki Arichi
- Human Robotics Group, Department of Bioengineering, Imperial College London , London , UK ; Department of Perinatal Imaging and Health, King's College London , London , UK
| | - Anne L Gordon
- Paediatric Neurosciences, Evelina London Children's Hospital, Guy's and St Thomas' NHS Trust , London , UK ; Institute of Psychiatry, Psychology and Neuroscience, Kings College London , London , UK
| | - Etienne Burdet
- Human Robotics Group, Department of Bioengineering, Imperial College London , London , UK
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Allievi AG, Arichi T, Gordon AL, Burdet E. Technology-aided assessment of sensorimotor function in early infancy. Front Neurol 2014; 5:197. [PMID: 25324827 DOI: 10.3389/fneur.2014.00197/abstract] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/30/2014] [Accepted: 09/17/2014] [Indexed: 05/23/2023] Open
Abstract
There is a pressing need for new techniques capable of providing accurate information about sensorimotor function during the first 2 years of childhood. Here, we review current clinical methods and challenges for assessing motor function in early infancy, and discuss the potential benefits of applying technology-assisted methods. We also describe how the use of these tools with neuroimaging, and in particular functional magnetic resonance imaging (fMRI), can shed new light on the intra-cerebral processes underlying neurodevelopmental impairment. This knowledge is of particular relevance in the early infant brain, which has an increased capacity for compensatory neural plasticity. Such tools could bring a wealth of knowledge about the underlying pathophysiological processes of diseases such as cerebral palsy; act as biomarkers to monitor the effects of possible therapeutic interventions; and provide clinicians with much needed early diagnostic information.
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Affiliation(s)
- Alessandro G Allievi
- Human Robotics Group, Department of Bioengineering, Imperial College London , London , UK
| | - Tomoki Arichi
- Human Robotics Group, Department of Bioengineering, Imperial College London , London , UK ; Department of Perinatal Imaging and Health, King's College London , London , UK
| | - Anne L Gordon
- Paediatric Neurosciences, Evelina London Children's Hospital, Guy's and St Thomas' NHS Trust , London , UK ; Institute of Psychiatry, Psychology and Neuroscience, Kings College London , London , UK
| | - Etienne Burdet
- Human Robotics Group, Department of Bioengineering, Imperial College London , London , UK
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Hadders-Algra M. Early diagnosis and early intervention in cerebral palsy. Front Neurol 2014; 5:185. [PMID: 25309506 PMCID: PMC4173665 DOI: 10.3389/fneur.2014.00185] [Citation(s) in RCA: 97] [Impact Index Per Article: 9.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/10/2014] [Accepted: 09/09/2014] [Indexed: 01/06/2023] Open
Abstract
This paper reviews the opportunities and challenges for early diagnosis and early intervention in cerebral palsy (CP). CP describes a group of disorders of the development of movement and posture, causing activity limitation that is attributed to disturbances that occurred in the fetal or infant brain. Therefore, the paper starts with a summary of relevant information from developmental neuroscience. Most lesions underlying CP occur in the second half of gestation, when developmental activity in the brain reaches its summit. Variations in timing of the damage not only result in different lesions but also in different neuroplastic reactions and different associated neuropathologies. This turns CP into a heterogeneous entity. This may mean that the best early diagnostics and the best intervention methods may differ for various subgroups of children with CP. Next, the paper addresses possibilities for early diagnosis. It discusses the predictive value of neuromotor and neurological exams, neuroimaging techniques, and neurophysiological assessments. Prediction is best when complementary techniques are used in longitudinal series. Possibilities for early prediction of CP differ for infants admitted to neonatal intensive care and other infants. In the former group, best prediction is achieved with the combination of neuroimaging and the assessment of general movements, in the latter group, best prediction is based on carefully documented milestones and neurological assessment. The last part reviews early intervention in infants developing CP. Most knowledge on early intervention is based on studies in high-risk infants without CP. In these infants, early intervention programs promote cognitive development until preschool age; motor development profits less. The few studies on early intervention in infants developing CP suggest that programs that stimulate all aspects of infant development by means of family coaching are most promising. More research is urgently needed.
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Affiliation(s)
- Mijna Hadders-Algra
- Department of Pediatrics - Developmental Neurology, University Medical Center Groningen, University of Groningen , Groningen , Netherlands
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Papadelis C, Ahtam B, Nazarova M, Nimec D, Snyder B, Grant PE, Okada Y. Cortical somatosensory reorganization in children with spastic cerebral palsy: a multimodal neuroimaging study. Front Hum Neurosci 2014; 8:725. [PMID: 25309398 PMCID: PMC4162364 DOI: 10.3389/fnhum.2014.00725] [Citation(s) in RCA: 78] [Impact Index Per Article: 7.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/14/2014] [Accepted: 08/28/2014] [Indexed: 12/17/2022] Open
Abstract
Although cerebral palsy (CP) is among the most common causes of physical disability in early childhood, we know little about the functional and structural changes of this disorder in the developing brain. Here, we investigated with three different neuroimaging modalities [magnetoencephalography (MEG), diffusion tensor imaging (DTI), and resting-state fMRI] whether spastic CP is associated with functional and anatomical abnormalities in the sensorimotor network. Ten children participated in the study: four with diplegic CP (DCP), three with hemiplegic CP (HCP), and three typically developing (TD) children. Somatosensory (SS)-evoked fields (SEFs) were recorded in response to pneumatic stimuli applied to digits D1, D3, and D5 of both hands. Several parameters of water diffusion were calculated from DTI between the thalamus and the pre-central and post-central gyri in both hemispheres. The sensorimotor resting-state networks (RSNs) were examined by using an independent component analysis method. Tactile stimulation of the fingers elicited the first prominent cortical response at ~50 ms, in all except one child, localized over the primary SS cortex (S1). In five CP children, abnormal somatotopic organization was observed in the affected (or more affected) hemisphere. Euclidean distances were markedly different between the two hemispheres in the HCP children, and between DCP and TD children for both hemispheres. DTI analysis revealed decreased fractional anisotropy and increased apparent diffusion coefficient for the thalamocortical pathways in the more affected compared to less affected hemisphere in CP children. Resting-state functional MRI results indicated absent and/or abnormal sensorimotor RSNs for children with HCP and DCP consistent with the severity and location of their lesions. Our findings suggest an abnormal SS processing mechanism in the sensorimotor network of children with CP possibly as a result of diminished thalamocortical projections.
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Affiliation(s)
- Christos Papadelis
- Fetal-Neonatal Neuroimaging and Developmental Science Center, Boston Children's Hospital, Harvard Medical School , Boston, MA , USA ; Division of Newborn Medicine, Department of Medicine, Boston Children's Hospital, Harvard Medical School , Boston, MA , USA
| | - Banu Ahtam
- Fetal-Neonatal Neuroimaging and Developmental Science Center, Boston Children's Hospital, Harvard Medical School , Boston, MA , USA ; Division of Newborn Medicine, Department of Medicine, Boston Children's Hospital, Harvard Medical School , Boston, MA , USA
| | - Maria Nazarova
- Department of Neurorehabilitation and Physiotherapy, Research Center of Neurology , Moscow , Russia ; Centre for Cognition and Decision Making, Faculty of Psychology, Higher School of Economics , Moscow , Russia
| | - Donna Nimec
- Department of Orthopaedic Surgery, Boston Children's Hospital, Harvard Medical School , Boston, MA , USA
| | - Brian Snyder
- Department of Orthopaedic Surgery, Boston Children's Hospital, Harvard Medical School , Boston, MA , USA
| | - Patricia Ellen Grant
- Fetal-Neonatal Neuroimaging and Developmental Science Center, Boston Children's Hospital, Harvard Medical School , Boston, MA , USA ; Division of Newborn Medicine, Department of Medicine, Boston Children's Hospital, Harvard Medical School , Boston, MA , USA ; Department of Radiology, Boston Children's Hospital, Harvard Medical School , Boston, MA , USA
| | - Yoshio Okada
- Fetal-Neonatal Neuroimaging and Developmental Science Center, Boston Children's Hospital, Harvard Medical School , Boston, MA , USA ; Division of Newborn Medicine, Department of Medicine, Boston Children's Hospital, Harvard Medical School , Boston, MA , USA
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Smithers-Sheedy H, Badawi N, Blair E, Cans C, Himmelmann K, Krägeloh-Mann I, McIntyre S, Slee J, Uldall P, Watson L, Wilson M. What constitutes cerebral palsy in the twenty-first century? Dev Med Child Neurol 2014; 56:323-8. [PMID: 24111874 DOI: 10.1111/dmcn.12262] [Citation(s) in RCA: 144] [Impact Index Per Article: 14.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Accepted: 07/08/2013] [Indexed: 11/28/2022]
Abstract
AIM Determining inclusion/exclusion criteria for cerebral palsy (CP) surveillance is challenging. The aims of this paper were to (1) define inclusion/exclusion criteria that have been adopted uniformly by surveillance programmes and identify where consensus is still elusive, and (2) provide an updated list of the consensus concerning CP inclusion/exclusion when a syndrome/disorder is diagnosed. METHOD Data were drawn from an international survey of CP registers, the New South Wales CP Register (1993-2003), the Western Australian CP Register (1975-2008), and the Surveillance of CP in Europe (SCPE; 1976-1998). An expert panel used a consensus building technique, which utilized the SCPE 'decision tree' and the original 'What constitutes cerebral palsy?' paper as frameworks. RESULTS CP surveillance programmes agree on key clinical criteria pertaining to the type, severity, and origin of motor disorder in CP. Further work is warranted to reach agreement for (1) minimum age of survival and maximum age of postneonatal brain injury, and (2) metabolic disorders with highly variable clinical courses/responses to treatment. One hundred and ninety-seven syndromes/disorders were reviewed and advice on their inclusion/exclusion is provided. INTERPRETATION What constitutes CP will continue to evolve as diagnostics improve. Surveillance programmes throughout the world are committed to addressing their differences regarding inclusion/exclusion criteria for the umbrella term CP.
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Affiliation(s)
- Hayley Smithers-Sheedy
- Cerebral Palsy Alliance Research Institute, Sydney, NSW, Australia; Sydney Medical School, University of Sydney, Sydney, NSW, Australia; School of Medicine, University of Notre Dame, Sydney, NSW, Australia
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Nevalainen P, Lauronen L, Pihko E. Development of Human Somatosensory Cortical Functions - What have We Learned from Magnetoencephalography: A Review. Front Hum Neurosci 2014; 8:158. [PMID: 24672468 PMCID: PMC3955943 DOI: 10.3389/fnhum.2014.00158] [Citation(s) in RCA: 56] [Impact Index Per Article: 5.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/30/2013] [Accepted: 03/03/2014] [Indexed: 01/01/2023] Open
Abstract
The mysteries of early development of cortical processing in humans have started to unravel with the help of new non-invasive brain research tools like multichannel magnetoencephalography (MEG). In this review, we evaluate, within a wider neuroscientific and clinical context, the value of MEG in studying normal and disturbed functional development of the human somatosensory system. The combination of excellent temporal resolution and good localization accuracy provided by MEG has, in the case of somatosensory studies, enabled the differentiation of activation patterns from the newborn’s primary (SI) and secondary somatosensory (SII) areas. Furthermore, MEG has shown that the functioning of both SI and SII in newborns has particular immature features in comparison with adults. In extremely preterm infants, the neonatal MEG response from SII also seems to potentially predict developmental outcome: those lacking SII responses at term show worse motor performance at age 2 years than those with normal SII responses at term. In older children with unilateral early brain lesions, bilateral alterations in somatosensory cortical activation detected in MEG imply that the impact of a localized insult may have an unexpectedly wide effect on cortical somatosensory networks. The achievements over the last decade show that MEG provides a unique approach for studying the development of the somatosensory system and its disturbances in childhood. MEG well complements other neuroimaging methods in studies of cortical processes in the developing brain.
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Affiliation(s)
- Päivi Nevalainen
- BioMag Laboratory, Hospital District of Helsinki and Uusimaa, HUS Medical Imaging Center, Helsinki University Central Hospital, University of Helsinki , Helsinki , Finland ; Department of Clinical Neurophysiology, Children's Hospital, HUS Medical Imaging Center, Helsinki University Central Hospital, University of Helsinki , Helsinki , Finland
| | - Leena Lauronen
- BioMag Laboratory, Hospital District of Helsinki and Uusimaa, HUS Medical Imaging Center, Helsinki University Central Hospital, University of Helsinki , Helsinki , Finland ; Department of Clinical Neurophysiology, Children's Hospital, HUS Medical Imaging Center, Helsinki University Central Hospital, University of Helsinki , Helsinki , Finland
| | - Elina Pihko
- Brain Research Unit, O.V. Lounasmaa Laboratory, Aalto University School of Science , Espoo , Finland
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Developmental kinesiology: Three levels of motor control in the assessment and treatment of the motor system. J Bodyw Mov Ther 2014; 18:23-33. [DOI: 10.1016/j.jbmt.2013.04.002] [Citation(s) in RCA: 33] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/07/2012] [Revised: 03/11/2013] [Accepted: 04/04/2013] [Indexed: 11/20/2022]
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Achieving motor development milestones at the age of three months may determine, but does not guarantee, proper further development. ScientificWorldJournal 2013; 2013:354218. [PMID: 24385875 PMCID: PMC3872422 DOI: 10.1155/2013/354218] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/20/2013] [Accepted: 10/25/2013] [Indexed: 11/18/2022] Open
Abstract
Proper motor performance at 3rd month is necessary for further motor development. The paper aims to demonstrate the reliability, sensitivity, and predictive value of an original motor performance assessment tool in comparison with the neurological assessment at 3, 6, and 9 months. Children (n = 123), born at term without pre- or perinatal complications, born at term with pre- or perinatal complications, or born preterm, were assessed at the age of 3, 6, and 9 months, by a neurologist and a physiotherapist. The physiotherapist evaluated 15 qualitative features typical for the age of 3 months in the prone and supine positions. The final neurological assessment determined the degree of developmental disorder. Neurological and global physiotherapeutic assessments showed a statistically significant correlation. Qualitative assessment results were very good in healthy children and decreased with worsening neurological diagnoses. Children diagnosed with cerebral palsy did not show proper qualitative features of 3 months when analyzed at 3, 6, and 9 months. Children with delayed motor development revealed minor qualitative performance impairments as early as 3 months but improved with age. Qualitative assessment at 3 months not only facilitates diagnosis of major developmental disorders but is also a good predictor of delayed motor development in children.
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Nuysink J, Eijsermans MJC, van Haastert IC, Koopman-Esseboom C, Helders PJM, de Vries LS, van der Net J. Clinical course of asymmetric motor performance and deformational plagiocephaly in very preterm infants. J Pediatr 2013; 163:658-65.e1. [PMID: 23706356 DOI: 10.1016/j.jpeds.2013.04.015] [Citation(s) in RCA: 21] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/05/2012] [Revised: 02/20/2013] [Accepted: 04/09/2013] [Indexed: 10/26/2022]
Abstract
OBJECTIVES To describe the clinical courses of positional preference and deformational plagiocephaly up to 6 months corrected age (CA) in infants born at gestational age <30 weeks or birth weight <1000 g, and to explore predictive factors for the persistence of these phenomena. STUDY DESIGN A total of 120 infants were examined 3 times each. The presence of deformational plagiocephaly and a score of 0-6 on an asymmetry performance scale served as outcome measures at 6 months CA. Predictive factors were determined using regression analysis. RESULTS The prevalence of a positional preference of the head was 65.8% (79 of 120) at term-equivalent age (TEA) and 36.7% (44 of 120) at 3 months CA and that of deformational plagiocephaly was 30% (36 of 120) at TEA and 50% (60 of 120) at 3 months CA. At 6 months CA, 15.8% of the infants (19 of 120) scored ≥ 2 of a possible 6 on the asymmetry performance scale and 23.3% (28 of 120) had deformational plagiocephaly. Sleeping in the supine position was predictive of an asymmetric motor performance at 6 months CA. Chronic lung disease and/or slow gross motor maturation at 3 months CA predicted the persistence of deformational plagiocephaly. CONCLUSION Infants born very preterm may develop deformational plagiocephaly. A positional preference of the head at TEA seems to be a normal aspect of these infants' motor repertoire, with limited ability to predict persistence of an asymmetric motor performance. The decreased prevalence of deformational plagiocephaly between 3 and 6 months CA indicates an optimistic course. Infants with a history of chronic lung disease and/or slow gross motor maturation merit timely intervention.
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Affiliation(s)
- Jacqueline Nuysink
- Child Development and Exercise Center, Division of Pediatrics, Wilhelmina Children's Hospital, University Medical Center Utrecht, Utrecht, The Netherlands.
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Heineman KR, Middelburg KJ, Bos AF, Eidhof L, La Bastide-Van Gemert S, Van Den Heuvel ER, Hadders-Algra M. Reliability and concurrent validity of the Infant Motor Profile. Dev Med Child Neurol 2013; 55:539-45. [PMID: 23480426 DOI: 10.1111/dmcn.12100] [Citation(s) in RCA: 26] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Accepted: 12/08/2012] [Indexed: 10/27/2022]
Abstract
AIM The Infant Motor Profile (IMP) is a qualitative assessment of motor behaviour in infancy. It consists of five domains: movement variation, variability, fluency, symmetry, and performance. The aim of this study was to assess interobserver reliability and concurrent validity of the IMP with the Alberta Infant Motor Scale (AIMS) and an age-specific neurological examination. METHOD Fifty-nine preterm infants (25 females, 34 males; median gestational age 29.7wks, median birthweight 1285g) and 146 term infants (74 females, 72 males; median gestational age 40.1wks, birthweight 3500g) were included. Assessments were performed at corrected ages of 4, 6, 10, 12, and 18 months and consisted of the IMP, AIMS, and an age-specific neurological examination. Interobserver reliability was investigated on a sample of 25 video recordings. Non-parametric statistics were used to analyse the data. RESULTS Interobserver reliability was high (intraclass correlation coefficient 0.95). At all ages, AIMS scores correlated weakly to fairly with total IMP scores (Spearman's ρ 0.36-0.55), but moderately to strongly with scores on the performance domain of the IMP (Spearman's ρ 0.47-0.84). A clear relation was found between total IMP score and outcome of the neurological examination (Kruskal-Wallis p<0.001 at all ages). INTERPRETATION Interobserver reliability of the IMP is good. Concurrent validity with the AIMS is best for the IMP performance domain. Concurrent validity with age-specific neurological examination is very good.
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Affiliation(s)
- Kirsten R Heineman
- Department of Paediatrics, Institute of Developmental Neurology, University Medical Center Groningen, Groningen, the Netherlands
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Zuk L. Fetal and infant spontaneous general movements as predictors of developmental disabilities. ACTA ACUST UNITED AC 2013; 17:93-101. [PMID: 23362029 DOI: 10.1002/ddrr.1104] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/03/2012] [Accepted: 10/05/2012] [Indexed: 01/08/2023]
Abstract
The challenge of identifying infants who are at risk for developmental delay and possible adverse neurodevelopmental outcome demands methods of evaluation that will lead to early intervention to minimize developmental disability and to maximize the infant's potential. A qualitative assessment of spontaneous general movements (GMs) in the preterm, term, and young infant at risk is a valid and reliable tool for evaluation (Prechtl [1990] Early Hum. Dev. 23:151-158). The aim of this review is to describe the theoretical and clinical bases for the assessment of GMs and its relationship to developmental delay and brain dysfunction. Thirty-seven studies related to the predictive validity of GMs were included in this review. Results suggested that consistent cramped synchronized GMs are highly predictive of later development of cerebral palsy. The fidgety movement quality that appears at the age of 2 to 3 months was found to be a most sensitive predictor of neurodevelopmental outcome in different populations of infants.
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Affiliation(s)
- Luba Zuk
- Physical Therapy Department, Stayer School of Health Professions, Sackler Faculty of Medicine, Tel Aviv University, Tel Aviv, Israel.
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Guzzetta A, Boyd RN, Perez M, Ziviani J, Burzi V, Slaughter V, Rose S, Provan K, Findlay L, Fisher I, Colombini F, Tealdi G, Marchi V, Whittingham K. UP-BEAT (Upper Limb Baby Early Action-observation Training): protocol of two parallel randomised controlled trials of action-observation training for typically developing infants and infants with asymmetric brain lesions. BMJ Open 2013; 3:e002512. [PMID: 23418301 PMCID: PMC3586152 DOI: 10.1136/bmjopen-2012-002512] [Citation(s) in RCA: 25] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/18/2012] [Revised: 01/16/2013] [Accepted: 01/17/2013] [Indexed: 02/05/2023] Open
Abstract
INTRODUCTION Infants with asymmetric brain lesions are at high risk of developing congenital hemiplegia. Action-observation training (AOT) has been shown to effectively improve upper limb motor function in adults with chronic stroke. AOT is based on action observation, whereby new motor skills can be learnt by observing motor actions. This process is facilitated by the Mirror Neuron System, which matches observed and performed motor actions. This study aims to determine the efficacy of AOT in: (1) influencing the early development of reaching and grasping of typically developing infants and (2) improving the upper limb activity of infants with asymmetric brain lesions. METHODS AND ANALYSIS This study design comprises two parallel randomised sham-controlled trials (RCTs) in: (1) typically developing infants (cohort I) and (2) infants with asymmetric brain lesions (eg, arterial stroke, venous infarction, intraventricular haemorrhage or periventricular leukomalacia; cohort II). Cohort II will be identified through a neonatal ultrasound or neonatal MRI. A sham control will be used for both RCTs, taking into consideration that it would be unethical to give no intervention to an at-risk population. Based on a two-tailed t test of two independent means, with a significance (α) level of 0.05, 80% power, predicted effect size of 0.8 and a 90% retention rate, we require 20 participants in each group (total sample of 40) for cohort I. The sample size for cohort II was based on the assumption that the effect size of the proposed training would be similar to that found by Heathcock et al in preterm born infants (n=26) with a mean effect size of 2.4. Given the high effect size, the calculation returned a sample of only four participants per group, on a two-tailed t test, with a significance (α) level of 0.05 and 80% power. As cohort II will consist of two subgroups of lesion type (ie, arterial stroke and venous infarction), we have quadrupled the sample to include 16 participants in each group (total sample of 32). Infants will be randomised to receive either AOT or standard Toy Observation Training (TOT). Both interventions will be of 4 weeks' duration, from the infant's 9th-13th post-term week of age. Three sessions of 5 min each will be performed each day for 6 days/week (total of 6 h over 28 days). Parents of the AOT group will repeatedly show the infant a grasping action on a set of three toys, presented in random order. Parents of the TOT group will show the infant the same set of three toys, in random order, without demonstrating the grasping action. At 14, 16 and 18 weeks, the quantity and quality of reaching and grasping will be measured using the Grasping and Reaching Assessment of Brisbane; symmetry of reaching and grasping will be measured using the Hand Assessment of Infants (HAI) and pressure of grasping for each hand with a customised pressure sensor. At 6 months' corrected age, the primary outcome measures will be the HAI and Bayley Scales of Infant and Toddler Development (third edition; BSID III), to measure cognitive and motor development. At 8 months, HAI and EEG will be used to measure brain activity and cortical coherence. At 12 months, the primary outcome measures will again be HAI and BSID III. DISSEMINATION This paper outlines the theoretical basis, study hypotheses and outcome measures for two parallel RCTs comparing the novel intervention Action-observation training with standard TOT in: (1) influencing the early development of reaching and grasping of typically developing infants and (2) improving the upper limb motor activity of infants with asymmetric brain lesions. TRIAL REGISTRATION ACTRN1261100991910. Web address of trial http://www.ANZCTR.org.au/ACTRN12611000991910.aspx.
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Affiliation(s)
- Andrea Guzzetta
- Department of Developmental Neuroscience, Stella Maris Scientific Institute, Pisa, Tuscany, Italy
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Hsu JF, Tsai MH, Chu SM, Fu RH, Chiang MC, Hwang FM, Kuan MJ, Huang YS. Early detection of minor neurodevelopmental dysfunctions at age 6 months in prematurely born neonates. Early Hum Dev 2013; 89:87-93. [PMID: 23084697 DOI: 10.1016/j.earlhumdev.2012.08.004] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/18/2011] [Revised: 07/12/2012] [Accepted: 08/11/2012] [Indexed: 11/18/2022]
Abstract
OBJECTIVE To investigate the 6-month neurodevelopmental outcomes of prematurely born neonates and find the determining neonatal factors of minor neurological dysfunctions (MNDs). STUDY DESIGN We examined data collected prospectively on 151 infants born before 37th week of gestation in 2009-2010 who were assessed at 6 months corrected age with the Bayley Scales of Infant Development-2nd Edition (BSID-II) and the Denver Developmental Screening Test (DDST). RESULTS Of 151 neonates born before 37 weeks, 20 (13.2%) had MNDs at 6 months corrected age. These proportions were 21.6%, 13.2%, and 8.2% for neonates born before 28 weeks, 29 weeks to 32 weeks, and 33 weeks to 36 weeks, respectively. Half of neonates with MNDs have a birth body weight of less than 1000g. BSID-II and DDST are highly correlated in assessing the MNDs of premature neonates at 6 months corrected age. MND was independently associated with postnatal corticosteroid use (odds ratio [OR], 11.2; 95% confidence interval [CI], 1.9-66.0, P=0.008) and cholestasis (OR, 6.2; 95% CI, 1.16-33.1, P=0.033). CONCLUSIONS Premature neonates, even those born at 33 to 36 weeks, are found to have MNDs as early as 6 months corrected age by BSID-II and DDST, with risk increasing as gestation decreases.
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Affiliation(s)
- Jen-Fu Hsu
- Division of Pediatric Neonatology, Department of Pediatrics, Chang Gung Memorial Hospital, Taoyuan, Taiwan
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137
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Marques HG, Imtiaz F, Iida F, Pfeifer R. Self-organization of reflexive behavior from spontaneous motor activity. BIOLOGICAL CYBERNETICS 2013; 107:25-37. [PMID: 23053431 DOI: 10.1007/s00422-012-0521-7] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/29/2012] [Accepted: 09/11/2012] [Indexed: 06/01/2023]
Abstract
In mammals, the development of reflexes is often regarded as an innate process. However, recent findings show that fetuses are endowed with favorable conditions for ontogenetic development. In this article, we hypothesize that the circuitry of at least some mammalian reflexes can be self-organized from the sensory and motor interactions brought forth in a musculoskeletal system. We focus mainly on three reflexes: the myotatic reflex, the reciprocal inhibition reflex, and the reverse myotatic reflex. To test our hypothesis, we conducted a set of experiments on a simulated musculoskeletal system using pairs of agonist and antagonist muscles. The reflex connectivity is obtained by producing spontaneous motor activity in each muscle and by correlating the resulting sensor and motor signals. Our results show that, under biologically plausible conditions, the reflex circuitry thus obtained is consistent with that identified in relation to the analogous mammalian reflexes. In addition, they show that the reflex connectivity obtained depends on the morphology of the musculoskeletal system as well as on the environment that it is embedded in.
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McIntyre S, Morgan C, Walker K, Novak I. Cerebral Palsy-Don't Delay. ACTA ACUST UNITED AC 2013; 17:114-29. [DOI: 10.1002/ddrr.1106] [Citation(s) in RCA: 151] [Impact Index Per Article: 13.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/03/2012] [Accepted: 10/05/2012] [Indexed: 11/08/2022]
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Koziol LF, Budding DE, Chidekel D. Hyperbilirubinemia: subcortical mechanisms of cognitive and behavioral dysfunction. Pediatr Neurol 2013; 48:3-13. [PMID: 23290014 DOI: 10.1016/j.pediatrneurol.2012.06.019] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/28/2012] [Accepted: 06/25/2012] [Indexed: 02/06/2023]
Abstract
Although development of the full syndrome of kernicterus is relatively rare, neonatal jaundice continues to occur frequently. Controversy remains concerning whether or not infants with moderate elevations in bilirubin are at risk for neurodevelopmental disorders in later childhood. Sites of brain pathology associated with bilirubin neurotoxicity are identified and well established. Based on these regions of brain involvement, we apply neuroscientific principles of brain-behavior relationships to predict types of cognitive features that may accompany hyperbilirubinemia. We address a range of neurodevelopmental abnormalities that can arise as a function of elevated neonatal bilirubin levels affecting these brain regions, even in the absence of full kernicterus syndrome. Moreover, we explain the neuropathologic mechanisms that would drive these abnormalities. We thus attempt to establish a blueprint for future investigations of these conditions, to improve neurodevelopmental outcomes.
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Abstract
The human brain is very sensitive to environmental changes affecting its growth and development. Environmental changes influence neonatal behavior after birth, enabling continuity between prenatal and postnatal behavior, but postnatal adaptation could be considered as discontinuity. Thus there is the question of environmental discontinuity between intrauterine conditions characterized by existence of microgravity and extrauterine life with gravity as a developmental condition sine qua non. Four-dimensional ultrasound is currently being assessed as a functional prenatal screening test for detection of neurological impairment in utero. The Kurjak Antenatal Neurodevelopmental Test (KANET) combines the assessment of fetal behavior, general movements, and three out of four signs that have been postnatally considered as symptoms of possible neurodevelopmental impairment (neurological thumb, overlapping sutures and small head circumference). Although the KANET has been tested on normal and high-risk pregnancies, the significance of the test for detection and prevention of neurodevelopmental disability is still questionable.
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141
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Yang H, Einspieler C, Shi W, Marschik PB, Wang Y, Cao Y, Li H, Liao YG, Shao XM. Cerebral palsy in children: movements and postures during early infancy, dependent on preterm vs. full term birth. Early Hum Dev 2012; 88:837-43. [PMID: 22795821 PMCID: PMC3437561 DOI: 10.1016/j.earlhumdev.2012.06.004] [Citation(s) in RCA: 46] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/11/2012] [Revised: 06/15/2012] [Accepted: 06/19/2012] [Indexed: 01/19/2023]
Abstract
BACKGROUND A deviant motor behaviour at age 3 to 5 months is predictive of cerebral palsy (CP). Particular features of the early motor repertoire even proved predictive of the degree of functional limitations as classified on the Gross Motor Function Classification System (GMFCS) in children with CP, born preterm. AIMS We aimed to determine whether an association between the early motor repertoire and the GMFCS also holds true for children born at term. STUDY DESIGN Longitudinal study. SUBJECTS 79 infants (60 boys and 19 girls; 47 infants born at term; video recorded for the assessment of movements and posture at age 9 to 20 weeks postterm age) who developed CP. OUTCOME MEASURES The GMFCS was applied at age 2 to 5 years. RESULTS Motor optimality at age 3 to 5 months showed a significant correlation with functional mobility and activity limitation as classified on the GMFCS at age 2 to 5 years in both children born at term (Spearman rho=-0.66, p<0.001) and born preterm (rho=-0.37, p<0.05). Infants born preterm were more likely to show normal movement patterns than infants born at term. A normal posture and an abnormal, jerky (yet not monotonous) movement character resulted in better levels of function and mobility. With the exception of one, none of the infants showed fidgety movements. A cramped-synchronised movement character, repetitive opening and closing of the mouth, and abnormal finger postures characterised children who would show a poor self-mobility later. CONCLUSIONS Assessing the quality of motor performance at 9 to 20 weeks postterm age (irrespective of the gestational age) improves our ability to predict later functional limitations in children with CP.
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Affiliation(s)
- Hong Yang
- Department of Rehabilitation, Children's Hospital of Fudan University, Shanghai, PR China
| | - Christa Einspieler
- Institute of Physiology (Developmental Physiology and Developmental Neurology), Center for Physiological Medicine, Medical University of Graz, Austria,Corresponding author at: Institute of Physiology, Center for Physiological Medicine, Medical University of Graz, Harrachgasse 21, 8010 Graz, Austria. Tel.: + 43 316 380 4266; fax: + 43 316 380 9630.
| | - Wei Shi
- Department of Rehabilitation, Children's Hospital of Fudan University, Shanghai, PR China
| | - Peter B. Marschik
- Institute of Physiology (Developmental Physiology and Developmental Neurology), Center for Physiological Medicine, Medical University of Graz, Austria,Center for Genetic Disorders of Cognition and Behavior, Kennedy Krieger Institute, Johns Hopkins University School of Medicine, Baltimore, USA
| | - Yi Wang
- Department of Neurology, Children's Hospital of Fudan University, Shanghai, PR China
| | - Yun Cao
- Department of Neonatology, Children's Hospital of Fudan University, Shanghai, PR China
| | - Hui Li
- Department of Rehabilitation, Children's Hospital of Fudan University, Shanghai, PR China
| | - Yuan-Gui Liao
- Department of Rehabilitation, Children's Hospital of Fudan University, Shanghai, PR China
| | - Xiao-Mei Shao
- Department of Neonatology, Children's Hospital of Fudan University, Shanghai, PR China
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Buitenhuis S, van Wijlen-Hempel RS, Pondaag W, Malessy MJA. Obstetric brachial plexus lesions and central developmental disability. Early Hum Dev 2012; 88:731-4. [PMID: 22749638 DOI: 10.1016/j.earlhumdev.2012.03.004] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/28/2011] [Revised: 02/14/2012] [Accepted: 03/07/2012] [Indexed: 01/07/2023]
Abstract
AIMS First, to assess whether children with an Obstetric Brachial Plexus Lesion (OBPL) have a higher incidence of Central Developmental Disability (CDD) compared to the general population. Second, to test the ability of General Movements (GMs) to identify CDD children already at three months of age. STUDY DESIGN A prospective cohort study for infants referred to our tertiary nerve lesion clinic. SUBJECTS A prospective cohort study of 38 infants with OBPL followed until 5 years (mean age). OUTCOME Measures quality of fidgety GMs at 3 months; presence or absence of CDD at a mean age of 5 years; severity of the brachial plexus lesion. RESULTS Five patients (13%) had CDD: one patient had a cerebral palsy and four showed definite other motor and/or mental problems. There was no correlation between the quality of the GMs at three months and CDD. There was no correlation between the severity of the nerve lesion and CDD. We found a correlation between quality of the GMs and severity of the nerve lesion. CONCLUSION Children with OBPL have a high incidence of CDD. In our cohort fidgety GMs had no predictive value for CDD at a later age.
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Affiliation(s)
- Sonja Buitenhuis
- Department of Neurosurgery, Leiden University Medical Center, Leiden, The Netherlands.
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Karch D, Kang KS, Wochner K, Philippi H, Hadders-Algra M, Pietz J, Dickhaus H. Kinematic assessment of stereotypy in spontaneous movements in infants. Gait Posture 2012; 36:307-11. [PMID: 22503388 DOI: 10.1016/j.gaitpost.2012.03.017] [Citation(s) in RCA: 40] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/08/2011] [Revised: 02/13/2012] [Accepted: 03/19/2012] [Indexed: 02/02/2023]
Abstract
Movement variation constitutes a crucial feature of infant motor development. Reduced variation of spontaneous infant movements, i.e. stereotyped movements, may indicate severe neurological deficit at an early stage. Hitherto evaluation of movement variation has been mainly restricted to subjective assessment based on observation. This article introduces a method for quantitative assessment yielding an objective definition of stereotyped movements which may be used for the prognosis of neurological deficits such as cerebral palsy (CP). Movements of 3-month-old infants were recorded with an electromagnetic tracking system facilitating the analysis of joint angles of the upper and lower limb. A stereotypy score based on dynamic time warping has been developed describing movements which are self-similar in multiple degrees of freedom. For clinical evaluation, this measure was calculated in a group of infants at risk for neurological disorders (n=54) and a control group of typically developing children (n=21) on the basis of spontaneous movements at the age of 3 months. The stereotypy score was related to outcome at the age of 24 months in terms of CP (n=10) or no-CP (n=53). Using the stereotypy score of upper limb movements CP cases could be identified with a sensitivity of 90% and a specificity of 96%. The corresponding score of the leg movements did not allow for valid discrimination of the groups. The presented stereotypy feature is a promising candidate for a marker that may be used as a simple and noninvasive quantitative measure in the prediction of CP. The method can be adopted for the assessment of infant movement variation in research and clinical applications.
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Affiliation(s)
- Dominik Karch
- Institute of Medical Biometry and Informatics, University of Heidelberg, Germany.
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144
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Nuysink J, van Haastert IC, Eijsermans MJC, Koopman-Esseboom C, van der Net J, de Vries LS, Helders PJM. Prevalence and predictors of idiopathic asymmetry in infants born preterm. Early Hum Dev 2012; 88:387-92. [PMID: 22051525 DOI: 10.1016/j.earlhumdev.2011.10.001] [Citation(s) in RCA: 23] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/28/2010] [Revised: 07/18/2011] [Accepted: 10/03/2011] [Indexed: 11/28/2022]
Abstract
BACKGROUND An idiopathic asymmetry in posture of the head is recognized as a risk factor to develop a deformational plagiocephaly (DP). In our neonatal follow-up clinic, an IA is often observed in infants born preterm at term-equivalent age (TEA). AIMS To explore (1) the prevalence of an idiopathic asymmetry in 192 infants (gestational age ≤32.0 weeks) at TEA and 6 months corrected age (CA), (2) whether demographical, perinatal, and medical factors were predictors of the asymmetry, and (3) differences in motor maturation between infants with and without asymmetry. METHODS In a retrospective study, frequencies of idiopathic asymmetry and DP, putative predictors, and Alberta Infant Motor Scale scores at 6 months CA were abstracted and analyzed with Chi(2), Mann-Whitney, logistic regression and T-test. RESULTS The prevalence rate of a positional preference of the head at TEA was 44.8% (n=86), 10.4% (20/192) had a DP at TEA and 13% (25/192) at 6 months CA. Positional preference, multiple birth and male gender predicted the presence of DP (p<.05, odds ratio 3.0, 3.2, and 3.1 respectively). Gross motor maturity at 6 months CA was less developed in infants with a positional preference at TEA compared to preterm norms (p=0.01). CONCLUSIONS The high prevalence of a positional preference in infants born preterm at term equivalent age requires extra alertness to prevent the development of a deformational plagiocephaly, especially in boys and twins. Although, considering the lower prevalence of plagiocephaly at 6 months CA, therapists should be aware of over treating these infants.
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Affiliation(s)
- Jacqueline Nuysink
- Child Development and Exercise Center, Division of Pediatrics, Wilhelmina Children's Hospital, University Medical Center Utrecht, Utrecht, The Netherlands.
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The effect of growth hormone treatment or physical training on motor performance in Prader-Willi syndrome: a systematic review. Neurosci Biobehav Rev 2012; 36:1817-38. [PMID: 22652271 DOI: 10.1016/j.neubiorev.2012.05.005] [Citation(s) in RCA: 37] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/26/2011] [Revised: 04/28/2012] [Accepted: 05/19/2012] [Indexed: 12/23/2022]
Abstract
Although motor problems in Prader-Willi syndrome (PWS) are prominent in infants, and continue into childhood and adulthood, there is little insight into the factors important for clinical management. The literature was reviewed to: (1) provide an overview of the characteristics and prevalence of motor problems and (2) evaluate the effects of growth hormone (GH) treatment and physical training on motor performance. A systematic search revealed 34 papers: 13 on motor performance; 12 on GH treatment; and nine on physical training. In infants, motor development is 30-57% of the normal reference values, and children and adults also have significant problems in skill acquisition, muscle force, cardiovascular fitness, and activity level. GH treatment positively influenced motor performance in infants, children, and adults, although not all studies demonstrated an effect. All studies on physical training demonstrated beneficial effects in PWS patients. We suggest a combination of GH treatment and physical training to be started as soon as possible, especially in infants, to improve motor development as this will positively influence general development.
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146
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Sabel KG, Strandvik B, Petzold M, Lundqvist-Persson C. Motor, mental and behavioral developments in infancy are associated with fatty acid pattern in breast milk and plasma of premature infants. Prostaglandins Leukot Essent Fatty Acids 2012; 86:183-8. [PMID: 22440244 DOI: 10.1016/j.plefa.2012.02.008] [Citation(s) in RCA: 28] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/28/2011] [Revised: 02/13/2012] [Accepted: 02/14/2012] [Indexed: 11/24/2022]
Abstract
The objective of this study was to investigate any association between infants' early development and PUFA concentrations in early breast milk and infants' plasma phospholipids at 44 weeks gestational age. Fifty-one premature infants were included. The quality of general movement was assessed at 3 months, and motor, mental and behavioral development at 3, 6, 10 and 18 months corrected age using Bayley's Scales of Infant Development (BSID-II). Linoleic acid, the major n-6/n-3 FA ratios, Mead acid and the EFA deficiency index in early breast milk were negatively associated with development up to 18 months of age. DHA and AA, respectively, in infants' plasma phospholipids was positively, but the AA/DHA ratio negatively, associated with development from 6 to 18 months of age. Our data suggest that the commonly found high n-6 concentration in breast milk is associated with less favorable motor, mental and behavioral development up to 18 months of age.
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Affiliation(s)
- K-G Sabel
- Borås Children's Hospital, Borås KGS, Sweden
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Disselhorst-Klug C, Heinze F, Breitbach-Faller N, Schmitz-Rode T, Rau G. Introduction of a method for quantitative evaluation of spontaneous motor activity development with age in infants. Exp Brain Res 2012; 218:305-13. [PMID: 22328067 DOI: 10.1007/s00221-012-3015-x] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/03/2011] [Accepted: 01/24/2012] [Indexed: 10/14/2022]
Abstract
Coordination between perception and action is required to interact with the environment successfully. This is already trained by very young infants who perform spontaneous movements to learn how their body interacts with the environment. The strategies used by the infants for this purpose change with age. Therefore, very early progresses in action control made by the infants can be investigated by monitoring the development of spontaneous motor activity. In this paper, an objective method is introduced, which allows the quantitative evaluation of the development of spontaneous motor activity in newborns. The introduced methodology is based on the acquisition of spontaneous movement trajectories of the feet by 3D movement analysis and subsequent calculation of specific movement parameters from them. With these movement-based parameters, it was possible to provide an objective description of age-dependent developmental steps in healthy newborns younger than 6 months. Furthermore, it has been shown that pathologies like infantile cerebral palsy influence development of motor activity significantly. Since the introduced methodology is objective and quantitative, it is suitable to monitor how newborns train their cognitive processes, which will enable them to cope with their environment by motor interaction.
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Affiliation(s)
- Catherine Disselhorst-Klug
- Department of Rehabilitation and Prevention Engineering, Institute of Applied Medical Engineering, Helmholtz Institute, RWTH Aachen University, Pauwelsstr. 20, 52074, Aachen, Germany.
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148
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Noble Y, Boyd R. Neonatal assessments for the preterm infant up to 4 months corrected age: a systematic review. Dev Med Child Neurol 2012; 54:129-39. [PMID: 22142216 DOI: 10.1111/j.1469-8749.2010.03903.x] [Citation(s) in RCA: 139] [Impact Index Per Article: 11.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/26/2022]
Abstract
AIM The aim of this study was to systematically review the clinimetric properties of longitudinal neonatal neurobehavioural and neuromotor assessments for preterm infants. METHOD Twenty-seven assessment measures were identified. The following eight measures met the study inclusion criteria: Assessment of Preterm Infants' Behaviour (APIB), Neonatal Intensive Care Unit Network Neurobehavioural Scale (NNNS), Test of Infant Motor Performance (TIMP), Prechtl's Assessment of General Movements (GMs), Neurobehavioural Assessment of the Preterm Infant (NAPI), Dubowitz Neurological Assessment of the Preterm and Full-term Infant (Dubowitz), Neuromotor Behavioural Assessment (NMBA), and the Brazelton Neonatal Behavioural Assessment Scale (NBAS). The primary purposes included prediction (TIMP, GMs, Dubowitz), discrimination (all assessments), and evaluation of change (TIMP, NAPI). Measures of assessment were included in the study if they were (1) primarily neurobehavioural or neuromotor assessments that were suitable for use with preterm infants (<37 weeks gestation) up to 4 months corrected age and were discriminative, predictive, or evaluative; (2) standardized procedures designed for serial/longitudinal use; or (3) criterion or norm referenced. However, all assessment tools that were not published in English in a peer-reviewed journal or were primarily neurological assessments, one-time evaluations, screening tools, or not commercially available were not used. RESULTS All of the measures included in the review demonstrated adequate content and construct validity. Concurrent validity was reported for APIB, NNNS, Dubowitz, and GMs. Predictive validity was high for GMs with studies reporting up to 100% senstivity for predicting cerebral palsy at the age of 12 to 24 months. Interrater reliability was strong for the TIMP (intraclass correlation=0.95), GMs (K=0.8), and moderate for the NAPI (r=0.67-0.97). Clinical utility was variable for ease of scoring, interpretability, cost, and access. INTERPRETATION In the absence of a criterion standard for neonatal neuromotor assessments, the NNNS and APIB have strong psychometric qualities with better utility for research. Similarly, the GMs, TIMP, and NAPI have strong psychometric qualities but better utility for clinical settings. The GMs has best prediction of future outcome and the TIMP has best evaluative validity.
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Affiliation(s)
- Yolande Noble
- Physiotherapy Department, Royal Children's Hospital, Brisbane, Australia.
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149
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Kurjak A, Predojević M, Stanojević M, Talić A, Honemeyer U, Kadić AS. The use of 4D imaging in the behavioral assessment of high-risk fetuses. ACTA ACUST UNITED AC 2011. [DOI: 10.2217/iim.11.39] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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150
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Pediatric neurologic exam. Int Emerg Nurs 2011; 19:199-205. [DOI: 10.1016/j.ienj.2011.07.008] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/15/2011] [Revised: 07/26/2011] [Accepted: 07/27/2011] [Indexed: 11/24/2022]
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