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Sharp A, Cornforth C, Jackson R, Harrold J, Turner MA, Kenny LC, Baker PN, Johnstone ED, Khalil A, von Dadelszen P, Papageorghiou AT, Alfirevic Z, Vollmer B. Neurodevelopmental outcomes at 2 years in children who received sildenafil therapy in utero: The STRIDER randomised controlled trial. BJOG 2024. [PMID: 38923115 DOI: 10.1111/1471-0528.17888] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/15/2024] [Revised: 05/28/2024] [Accepted: 05/31/2024] [Indexed: 06/28/2024]
Abstract
OBJECTIVE Severe early-onset fetal growth restriction (FGR) causes stillbirth, neonatal death and neurodevelopmental impairment. Poor maternal spiral artery remodelling maintains vasoactive responsiveness but is susceptible to treatment with sildenafil, a phosphodiesterase type 5 (PDE5) inhibitor, which may improve perinatal outcomes. DESIGN Superiority, double-blind randomised controlled trial. SETTING A total of 20 UK fetal medicine units. POPULATION Pregnancies affected by FGR, defined as an abdominal circumference below the tenth centile with absent end-diastolic flow in the umbilical artery between 22+0 and 29+6 weeks of gestation. METHODS Treatment with sildenafil (25 mg three times/day) or placebo until delivery or 32 weeks of gestation. MAIN OUTCOME MEASURES All infants alive at hospital discharge were assessed for cardiovascular function and cognitive, speech/language and neuromotor impairment at 2 years of age. The primary outcome was survival without cerebral palsy or neurosensory impairment, or a Bayley-III composite score of >85. RESULTS In total, 135 women were randomised between November 2014 and July 2016 (70 to sildenafil and 65 to placebo). We previously published that there was no improvement in time to delivery or perinatal outcomes with sildenafil. In all, 75 babies (55.5%) were discharged alive, with 61 infants eligible for follow-up (32 sildenafil and 29 placebo). One infant died (placebo), three mothers declined and ten mothers were uncontactable. There was no difference in neurodevelopment or blood pressure following treatment with sildenafil. Infants who received sildenafil had a larger head circumference at 2 years of age (median difference 49.2 cm, IQR 46.4-50.3, vs 47.2 cm, 95% CI 44.7-48.9 cm). CONCLUSIONS Sildenafil therapy did not prolong pregnancy or improve perinatal outcomes and did not improve infant neurodevelopment in FGR survivors. Therefore, sildenafil should not be prescribed for this condition.
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Affiliation(s)
- Andrew Sharp
- Department of Women's and Children's Health, University of Liverpool, Liverpool, UK
- Liverpool Women's Hospital NHS Foundation Trust, Liverpool, UK
| | - Christine Cornforth
- Department of Women's and Children's Health, University of Liverpool, Liverpool, UK
- Liverpool Clinical Trials Unit, University of Liverpool, Liverpool, UK
| | - Richard Jackson
- Liverpool Clinical Trials Unit, University of Liverpool, Liverpool, UK
| | - Jane Harrold
- Liverpool Clinical Trials Unit, University of Liverpool, Liverpool, UK
| | - Mark A Turner
- Department of Women's and Children's Health, University of Liverpool, Liverpool, UK
- Liverpool Women's Hospital NHS Foundation Trust, Liverpool, UK
| | - Louise C Kenny
- Department of Women's and Children's Health, University of Liverpool, Liverpool, UK
| | - Philip N Baker
- College of Life Sciences, University of Leicester, Leicester, UK
| | - Edward D Johnstone
- Faculty of Medicine Biology and Health, Maternal and Fetal Health Research Centre, School of Medical Sciences, University of Manchester, Manchester, UK
| | - Asma Khalil
- Fetal Medicine Unit, St George's Hospital, University of London, London, UK
- Vascular Biology Research Centre, Molecular and Clinical Sciences Research Institute, St George's University of London, London, UK
| | - Peter von Dadelszen
- Department of Women's and Children's Health, School of Life Course and Population Sciences, King's College London, London, UK
| | - Aris T Papageorghiou
- Fetal Medicine Unit, St George's Hospital, University of London, London, UK
- Vascular Biology Research Centre, Molecular and Clinical Sciences Research Institute, St George's University of London, London, UK
| | - Zarko Alfirevic
- Department of Women's and Children's Health, University of Liverpool, Liverpool, UK
- Liverpool Women's Hospital NHS Foundation Trust, Liverpool, UK
| | - Brigitte Vollmer
- Clinical Neurosciences, Clinical and Experimental Sciences, Faculty of Medicine, University of Southampton, Southampton, UK
- Paediatric Neurology, Southampton Children's Hospital, University Hospitals Southampton NHS Foundation Trust, Southampton, UK
- Department of Women's and Children's Health, Karolinska Institutet, Stockholm, Sweden
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Hidalgo Robles Á, Paleg GS, Livingstone RW. Identifying and Evaluating Young Children with Developmental Central Hypotonia: An Overview of Systematic Reviews and Tools. Healthcare (Basel) 2024; 12:493. [PMID: 38391868 PMCID: PMC10887882 DOI: 10.3390/healthcare12040493] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/13/2024] [Revised: 02/12/2024] [Accepted: 02/14/2024] [Indexed: 02/24/2024] Open
Abstract
Children with developmental central hypotonia have reduced muscle tone secondary to non-progressive damage to the brain or brainstem. Children may have transient delays, mild or global functional impairments, and the lack of a clear understanding of this diagnosis makes evaluating appropriate interventions challenging. This overview aimed to systematically describe the best available evidence for tools to identify and evaluate children with developmental central hypotonia aged 2 months to 6 years. A systematic review of systematic reviews or syntheses was conducted with electronic searches in PubMed, Medline, CINAHL, Scopus, Cochrane Database of Systematic Reviews, Google Scholar, and PEDro and supplemented with hand-searching. Methodological quality and risk-of-bias were evaluated, and included reviews and tools were compared and contrasted. Three systematic reviews, an evidence-based clinical assessment algorithm, three measurement protocols, and two additional measurement tools were identified. For children aged 2 months to 2 years, the Hammersmith Infant Neurological Examination has the strongest measurement properties and contains a subset of items that may be useful for quantifying the severity of hypotonia. For children aged 2-6 years, a clinical algorithm and individual tools provide guidance. Further research is required to develop and validate all evaluative tools for children with developmental central hypotonia.
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Affiliation(s)
| | - Ginny S Paleg
- Physical Therapist, Montgomery County Infants and Toddlers Program, Rockville, MD 20825, USA
| | - Roslyn W Livingstone
- Occupational Science and Occupational Therapy, Faculty of Medicine, University of British Columbia, Vancouver, BC V6T 2B5, Canada
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Straathof EJM, Hamer EG, Hensens KJ, La Bastide-van Gemert S, Heineman KR, Hadders-Algra M. Development of muscle tone impairments in high-risk infants: Associations with cerebral palsy and cystic periventricular leukomalacia. Eur J Paediatr Neurol 2022; 37:12-18. [PMID: 35007848 DOI: 10.1016/j.ejpn.2021.12.015] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/19/2021] [Revised: 12/08/2021] [Accepted: 12/28/2021] [Indexed: 10/19/2022]
Abstract
AIM To assess the prevalence and development of muscle tone impairments in infants at high risk of developmental disorders, and their associations with cerebral palsy (CP) and cystic periventricular leukomalacia (cPVL). METHOD Longitudinal exploration of muscle tone in 39 infants at high risk of CP (LEARN2MOVE 0-2 project) mostly due to an early lesion of the brain. Muscle tone was assessed ≥4 times between 0 and 21 months corrected age (CA) with the Touwen Infant Neurological Examination. Diagnosis of CP was determined at 21 months CA. Neonatal neuro-imaging was available. Developmental trajectories were calculated using generalized linear mixed effect models. RESULTS Infants showed atypical muscle tone in three or four body parts in 93% (172/185) of the assessments. The most prevalent muscle tone pattern was hypotonia of neck and trunk with hypertonia of the limbs (28%). From 7 months CA onwards hypertonia of the arms was associated with CP. Asymmetric arm tone during infancy was associated with unilateral CP. At 18-21 months CA ankle hypertonia was associated with CP at 21 months; leg hypertonia in infancy was not associated with CP. Leg hypertonia was associated with cPVL, regardless of age. INTERPRETATION High-risk infants due to an early lesion of the brain often present with muscle tone impairment. In these infants, hypertonia and asymmetric muscle tone of the arms were from 7 months onwards associated with the diagnosis of CP at 21 months; hypertonia of the legs was not.
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Affiliation(s)
- Elisabeth J M Straathof
- University of Groningen, Department of Paediatrics - Division of Developmental Neurology, University Medical Centre Groningen, Hanzeplein 1, 9713, GZ, Groningen, the Netherlands
| | - Elisa G Hamer
- University of Groningen, Department of Paediatrics - Division of Developmental Neurology, University Medical Centre Groningen, Hanzeplein 1, 9713, GZ, Groningen, the Netherlands; Department of Neurology, Radboud University Medical Center, Geert Grooteplein Zuid 10, 6525, GA, Nijmegen, the Netherlands
| | - Kilian J Hensens
- University of Groningen, Department of Paediatrics - Division of Developmental Neurology, University Medical Centre Groningen, Hanzeplein 1, 9713, GZ, Groningen, the Netherlands
| | - Sacha La Bastide-van Gemert
- University of Groningen, Department of Epidemiology, University Medical Center Groningen, Hanzeplein 1, 9713, GZ, Groningen, the Netherlands
| | - Kirsten R Heineman
- University of Groningen, Department of Paediatrics - Division of Developmental Neurology, University Medical Centre Groningen, Hanzeplein 1, 9713, GZ, Groningen, the Netherlands; Stichting Epilepsie Instellingen Nederland SEIN, Dokter Denekampweg 20, 8025, BV, Zwolle, the Netherlands
| | - Mijna Hadders-Algra
- University of Groningen, Department of Paediatrics - Division of Developmental Neurology, University Medical Centre Groningen, Hanzeplein 1, 9713, GZ, Groningen, the Netherlands.
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Cognitive and neurological outcome of patients in the Dutch pyridoxine-dependent epilepsy (PDE-ALDH7A1) cohort, a cross-sectional study. Eur J Paediatr Neurol 2021; 33:112-120. [PMID: 34153871 DOI: 10.1016/j.ejpn.2021.06.001] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/08/2020] [Revised: 05/14/2021] [Accepted: 06/02/2021] [Indexed: 11/24/2022]
Abstract
BACKGROUND Pyridoxine monotherapy in PDE-ALDH7A1 often results in adequate seizure control, but neurodevelopmental outcome varies. Detailed long-term neurological outcome is unknown. Here we present the cognitive and neurological features of the Dutch PDE-ALDH7A1 cohort. METHODS Neurological outcome was assessed in 24 patients (age 1-26 years); classified as normal, complex minor neurological dysfunction (complex MND) or abnormal. Intelligence quotient (IQ) was derived from standardized IQ tests with five severity levels of intellectual disability (ID). MRI's and treatments were assessed. RESULTS Ten patients (42%) showed unremarkable neurological examination, 11 (46%) complex MND, and 3 (12%) cerebral palsy (CP). Minor coordination problems were identified in 17 (71%), fine motor disability in 11 (46%), posture/muscle tone deviancies in 11 (46%) and abnormal reflexes in 8 (33%). Six patients (25%) had an IQ > 85, 7 (29%) borderline, 7 (29%) mild, 3 (13%) moderate, and 1 severe ID. Cerebral ventriculomegaly on MRI was progressive in 11. Three patients showed normal neurologic exam, IQ, and MRI. Eleven patients were treated with pyridoxine only and 13 by additional lysine reduction therapy (LRT). LRT started at age <3 years demonstrated beneficial effect on IQ results in 3 patients. DISCUSSION Complex MND and CP occurred more frequently in PDE-ALDH7A1 (46% and 12%) than in general population (7% and 0.2%, Peters et al., 2011, Schaefer et al., 2008). Twenty-five percent had a normal IQ. Although LRT shows potential to improve outcomes, data are heterogeneous in small patient numbers. More research with longer follow-up via the International PDE Registry (www.pdeonline.org) is needed.
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The tonic response to the infant knee jerk as an early sign of cerebral palsy. Early Hum Dev 2018; 119:38-44. [PMID: 29549793 DOI: 10.1016/j.earlhumdev.2018.03.001] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/19/2018] [Revised: 03/02/2018] [Accepted: 03/07/2018] [Indexed: 11/22/2022]
Abstract
BACKGROUND Early identification of infants at risk of cerebral palsy (CP) is desirable in order to provide early intervention. We previously demonstrated differences in knee jerk responses between 3-month-old high risk and typically developing infants. AIMS To improve early identification by investigating whether the presence of tonic responses (continuous muscle activity occurring after the typical phasic response), clonus or contralateral responses to the knee jerk during infancy is associated with CP. STUDY DESIGN Longitudinal EMG-study. SUBJECTS We included 34 high-risk infants (median gestational age 31.9 weeks) who participated in the LEARN2MOVE 0-2 years trial. OUTCOME MEASURES Video-recorded knee jerk EMG-assessments were performed during infancy (1-4 times). Developmental outcome was assessed at 21 months corrected age (CA). Binomial generalized estimating equations models with repeated measurements were fitted using predictor variables. RESULTS Infants who later were diagnosed with CP (n = 18) showed more often than infants who were not diagnosed with CP i) tonic responses - from 4 months CA onwards, ii) clonus - from 13 months CA onwards, and iii) contralateral responses - from 15 months CA onwards. LIMITATIONS The main limitation is the relatively small sample size. CONCLUSIONS The assessment of tonic responses to the knee jerk using EMG may be a valuable add-on tool to appraise a high risk of CP.
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Manganese Exposure and Cognition Across the Lifespan: Contemporary Review and Argument for Biphasic Dose-Response Health Effects. Curr Environ Health Rep 2018; 3:392-404. [PMID: 27722879 DOI: 10.1007/s40572-016-0108-x] [Citation(s) in RCA: 37] [Impact Index Per Article: 6.2] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/28/2023]
Abstract
Manganese (Mn) is both an essential micronutrient and potential neurotoxicant. This dual role underlies a growing body of literature demonstrating that Mn exhibits a biphasic dose-response relationship with neurocognitive outcomes. We reviewed recent epidemiologic studies from 2007 to 2016 that investigated the relationship between Mn exposure and cognitive outcomes across the lifespan: early life, school-aged children, and adulthood. In total, 27 research articles were included in this review: 12 pediatric and 15 adult studies (10 occupational and five environmental exposures). The majority of these studies provided evidence of the negative effects of Mn exposure on cognition. The pediatric literature provides evidence that both high and low levels of Mn are negatively associated with intellectual development. Future Mn research should include examination of non-linear relationships and multiple neurotoxicants across the lifespan and particularly during critical developmental windows.
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Abstract
AIM To investigate associations between neurological condition, assessed with the Hempel examination, in terms of minor neurological dysfunction (MND) and neurological optimality, and cognition and behaviour at 4years. STUDY DESIGN Cross-sectional analyses within a prospective, assessor-blinded follow-up study. SUBJECTS Four-year-old singletons born to subfertile parents (n=235; 120 boys). OUTCOME MEASURES Outcome parameters were complex minor neurological dysfunction (complex MND) and the neurological optimality score (NOS). Cognitive outcome was evaluated with the Kaufman Assessment Battery for Children, resulting in a total intelligence quotient (IQ). Behavioural outcome was evaluated with the Child Behavior Checklist, resulting in a total problem T-score. RESULTS Fifty-seven (24.3%) children had complex MND. None of the children showed fine motor dysfunction, suggesting a ceiling effect of the Hempel assessment. Complex MND was not correlated with IQ or total problem T-score. Nevertheless, a higher NOS was correlated with a higher IQ and a lower total problem T-score (adjusted mean estimate [95% confidence interval]: cognition: 0.445 [0.026; 0.865], p=0.038; behaviour: -0.458 [-0.830; -0.087], p=0.016). INTERPRETATION At age 4, complex MND assessed with the Hempel assessment was not associated with cognition and behaviour, presumably due to a ceiling effect in the Hempel domain of fine motor function. A more optimal neurological condition was associated with higher IQ and better behaviour.
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Kuiper D, Bennema A, la Bastide-van Gemert S, Seggers J, Schendelaar P, Haadsma M, Hoek A, Heineman MJ, Hadders-Algra M. Neurodevelopmental and cardiometabolic outcome in 4-year-old twins and singletons born after IVF. Reprod Biomed Online 2017; 34:659-667. [DOI: 10.1016/j.rbmo.2017.02.015] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/13/2016] [Revised: 02/20/2017] [Accepted: 02/28/2017] [Indexed: 02/08/2023]
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Prenatal fish oil supplementation and early childhood development in the Upstate KIDS Study. J Dev Orig Health Dis 2017; 8:465-473. [PMID: 28434427 DOI: 10.1017/s2040174417000253] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
Abstract
Fish oil contains omega-3 fatty acids, which play a vital role in fetal growth and development. In utero exposure to omega-3 fatty acids is exclusively dependent on maternal nutrition. Previous studies have suggested that prenatal fish oil supplementation has positive impacts on child neurodevelopment later in life. This study examines the associations between fish oil supplementation both before pregnancy and throughout pregnancy and subsequent child development. Mother-child pairs from the Upstate KIDS Study, a birth cohort consisting of children born between 2008 and 2010, were included. Self-reported prenatal fish oil supplementation data were available for 5845 children (3807 singletons and 2038 twins). At multiple time points, from 4 months to 3 years of age, child development was reported by the parents on the Ages and Stages Questionnaire (ASQ). Five developmental domains were assessed: fine motor, gross motor, communication, personal-social functioning and problem solving. Generalized linear mixed models were used to estimate odds ratios (OR) while adjusting for covariates. Primary analyses showed that the risk of failing the ASQ problem-solving domain was significantly lower among children of women who took fish oil before pregnancy (OR 0.40, 95% confidence intervals (CI) 0.18-0.89) and during pregnancy (OR 0.43, 95% CI 0.22-0.83). Gender interaction was not statistically significant, although stratified results indicated stronger associations among girls. Similarly, associations were primarily among singletons. Prenatal fish oil supplementation may be beneficial in regards to neurodevelopment. Specifically, it is associated with a lower risk of failing the problem-solving domain up to 3 years of age.
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Hadders-Algra M, Boxum AG, Hielkema T, Hamer EG. Effect of early intervention in infants at very high risk of cerebral palsy: a systematic review. Dev Med Child Neurol 2017; 59:246-258. [PMID: 27925172 DOI: 10.1111/dmcn.13331] [Citation(s) in RCA: 80] [Impact Index Per Article: 11.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Accepted: 09/29/2016] [Indexed: 01/18/2023]
Abstract
AIM First, to systematically review the evidence on the effect of intervention applied during the first postnatal year in infants with or at very high risk of cerebral palsy (CP) on child and family outcome. Second, to assess whether type and dosing of intervention modify the effect of intervention. METHOD Relevant literature was identified by searching the PubMed, Embase, and CINAHL databases. Selection criteria included infants younger than 12 months corrected age with or at very high risk of CP. Methodological quality including risk of bias was scrutinized. RESULTS Thirteen papers met the inclusion criteria. Seven studies with moderate to high methodological quality were analysed in detail; they evaluated neurodevelopmental treatment only (n=2), multisensory stimulation (n=1), developmental stimulation (n=2), and multifaceted interventions consisting of a mix of developmental stimulation, support of parent-infant interaction, and neurodevelopmental treatment (n=2). The heterogeneity precluded conclusions. Yet, two suggestions emerged: (1) dosing may be critical for effectiveness; (2) multifaceted intervention may offer best opportunities for child and family. INTERPRETATION The literature on early intervention in very high-risk infants with sufficient methodological quality is limited, heterogeneous, and provides weak evidence on the effect. More studies are urgently needed. Suggestions for future research are provided.
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Affiliation(s)
- Mijna Hadders-Algra
- University of Groningen, University Medical Center Groningen, Department of Paediatrics, Division of Developmental Neurology, Groningen, the Netherlands
| | - Anke G Boxum
- University of Groningen, University Medical Center Groningen, Department of Paediatrics, Division of Developmental Neurology, Groningen, the Netherlands
| | - Tjitske Hielkema
- University of Groningen, University Medical Center Groningen, Department of Paediatrics, Division of Developmental Neurology, Groningen, the Netherlands.,University of Groningen, University Medical Center Groningen, Department of Rehabilitation Medicine, Center for Rehabilitation, Groningen, the Netherlands
| | - Elisa G Hamer
- University of Groningen, University Medical Center Groningen, Department of Paediatrics, Division of Developmental Neurology, Groningen, the Netherlands.,Radboud University Medical Center, Department of Neurology, Nijmegen, the Netherlands
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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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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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Abstract
Clinicians have hypothesized a spectrum of minor neurologic manifestations, consistent with neuroanatomical reports and collectively termed as a "syndrome of bilirubin-induced neurologic dysfunction (BIND)," which can occur in the absence of classical kernicterus. The current review builds on these initial reports with a focus on clinical signs and symptoms that are assessed by standardized tools and manifest from neonatal age to childhood. These clinical manifestations are characterized by the following domains: (i) neuromotor signs; (ii) muscle tone abnormalities; (iii) hyperexcitable neonatal reflexes; (iv) variety of neurobehavior manifestations; (v) speech and language abnormalities; and (vi) evolving array of central processing abnormalities, such as sensorineural audiology and visuomotor dysfunctions. Concerns remain that the most vulnerable infants are likely to acquire BIND, either because their exposure to bilirubin is not identified as severe enough to need treatment or is prolonged but slightly below current threshold levels for intervention. Knowing that a total serum/plasma bilirubin (TB) level is not the most precise indicator of neurotoxicity, the role of expanded biomarkers or a "bilirubin panel" has yet to be validated in prospective studies. Future studies that correlate early "toxic" bilirubin exposure to long-term academic potential of children are needed to explore new insights into bilirubin's effect on the structural and functional maturation of an infant's neural network topology.
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Lunsing RJ. Subtle bilirubin-induced neurodevelopmental dysfunction (BIND) in the term and late preterm infant: does it exist? Semin Perinatol 2014; 38:465-71. [PMID: 25281356 DOI: 10.1053/j.semperi.2014.08.009] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Abstract
Subtle bilirubin-induced neurological dysfunction (BIND) is defined as disturbances in sensory and sensorimotor integration, central auditory processing, coordination, and muscle tone in the absence of the classical findings of kernicterus. This review is restricted to the (sensori)motor signs of BIND associated with unconjugated hyperbilirubinemia in term and late preterm neonates. The diagnosis of BIND at follow-up requires validated, age-specific techniques that are designed to identify these disturbances in infancy and later childhood. The (sensori)motor signs of BIND are compatible with the pathological substrate of unconjugated hyperbilirubinemia and its known effects on the brain.
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Affiliation(s)
- Roelineke J Lunsing
- Department of Neurology, University Medical Center Groningen, University of Groningen, Hanzeplein 1, Groningen 9713 GZ, The Netherlands.
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Seggers J, Haadsma ML, Bos AF, Heineman MJ, Middelburg KJ, van den Heuvel ER, Hadders-Algra M. Dysmorphic features and developmental outcome of 2-year-old children. Dev Med Child Neurol 2014; 56:1078-84. [PMID: 25040419 DOI: 10.1111/dmcn.12546] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Accepted: 05/22/2014] [Indexed: 11/29/2022]
Abstract
AIM The aim of this study was to assess the associations between dysmorphic features and neurological, mental, psychomotor, and behavioural development in order to improve our understanding of aetiological pathways leading to minor developmental problems. METHOD In our cross-sectional study, 272 generally healthy 2-year-olds (143 males, 129 females; median gestational age 39 weeks, [range 30-43wks]), born after a parental history of subfertility either with or without fertility treatment, were examined. Dysmorphic features were classified as abnormalities (clinically relevant or not), minor anomalies, or common variants according to Merks' classification system. Hempel's neurological assessment resulted in a neurological optimality score (NOS) and fluency score. Mental and psychomotor development were assessed with the Dutch version of the Bayley Scales of Infant Development and behavioural development with the Achenbach Child Behaviour Checklist. RESULTS Of the different types of dysmorphic feature, clinically relevant abnormalities were most strongly associated with a lower NOS (difference -2.53, 95% confidence interval [CI] -4.23 to -0.83) and fluency score (difference -0.62, 95% CI -1.1 to -0.15). The presence of one or more abnormalities (clinically relevant or not) or one or more common variants was significantly associated with a lower NOS, and the presence of three or more minor anomalies was associated with lower fluency scores. Dysmorphic features were not associated with mental, psychomotor, or behavioural development. INTERPRETATION As dysmorphic features originate during the first trimester of pregnancy, the association between dysmorphic features and minor alterations in neurodevelopment may suggest an early ontogenetic origin of subtle neurological deviations.
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Affiliation(s)
- Jorien Seggers
- Developmental Neurology Section, Department of Paediatrics, University of Groningen, University Medical Center Groningen, Groningen, the Netherlands
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Schendelaar P, Van den Heuvel ER, Heineman MJ, La Bastide-Van Gemert S, Middelburg KJ, Seggers J, Hadders-Algra M. Increased time to pregnancy is associated with less optimal neurological condition in 4-year-old singletons, in vitro fertilization itself is not. Hum Reprod 2014; 29:2773-86. [DOI: 10.1093/humrep/deu252] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
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Rink SM, Ardoino G, Queirolo EI, Cicariello D, Mañay N, Kordas K. Associations between hair manganese levels and cognitive, language, and motor development in preschool children from Montevideo, Uruguay. ARCHIVES OF ENVIRONMENTAL & OCCUPATIONAL HEALTH 2014; 69:46-54. [PMID: 23930796 DOI: 10.1080/19338244.2012.725229] [Citation(s) in RCA: 29] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/29/2023]
Abstract
Environmental manganese (Mn) exposure in childhood has been associated with developmental deficits. This study investigated associations between low-level Mn exposure and developmental scores in children aged 14-45 months. Children's hair samples (n = 60) were analyzed for Mn and lead (Pb) using inductively coupled plasma mass spectrometry (ICP-MS). Children were assessed with the Bayley Scales of Infant Development III (BSID). Mean hair Mn and Pb concentrations were 0.98 ± 0.74 and 10.1 ± 10.5 μg/g, respectively. Unadjusted inverse associations were seen between Mn and BSID subscales, with girls having lower scores related to Mn than boys. No significant associations remained in covariate-adjusted models, although when stratified by sex boys had a positive association between hair Mn levels and language scores. This study does not show clear evidence of an association between hair Mn concentrations and children's developmental scores in a region of low-level Mn exposure.
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Affiliation(s)
- Stephanie M Rink
- Department of Nutritional Sciences, Pennsylvania State University, University Park, PA 16802, USA
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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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Abstract
Pediatricians often encounter children with delays of motor development in their clinical practices. Earlier identification of motor delays allows for timely referral for developmental interventions as well as diagnostic evaluations and treatment planning. A multidisciplinary expert panel developed an algorithm for the surveillance and screening of children for motor delays within the medical home, offering guidance for the initial workup and referral of the child with possible delays in motor development. Highlights of this clinical report include suggestions for formal developmental screening at the 9-, 18-, 30-, and 48-month well-child visits; approaches to the neurologic examination, with emphasis on the assessment of muscle tone; and initial diagnostic approaches for medical home providers. Use of diagnostic tests to evaluate children with motor delays are described, including brain MRI for children with high muscle tone, and measuring serum creatine kinase concentration of those with decreased muscle tone. The importance of pursuing diagnostic tests while concurrently referring patients to early intervention programs is emphasized.
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Abstract
BACKGROUND The aim of this work was to investigate in a prospective study whether moderate hyperbilirubinemia in healthy term neonates is associated with an increase of minor neurological dysfunction (MND) and behavioral problems up to 18 mo. METHOD We enrolled 43 healthy term infants with a bilirubin level ≥ 220 µmol/l (BILI group) at 72-96 h postnatally at the University Medical Center Groningen (UMCG), including eight referrals for hyperbilirubinemia. Seventy healthy term infants born at the UMCG with bilirubin level <220 µmol/l served as comparisons (COMP group). We evaluated the neurologic condition neonatally and at 3 and 18 mo; behavior was evaluated at birth and 18 mo. RESULTS Rates of MND in BILI and COMP groups were similar at all ages. However, bilirubin levels of ≥ 300 µmol/l (n = 10) were associated with an increased risk of complex MND (odds ratio: 4.21; 95% confidence interval: 1.02-17.37). Neonatally, BILI infants were more often lethargic than COMP infants (odds ratio: 3.54; 95% confidence interval: 1.32-9.51); at 18 mo, they had higher hyperactivity scores (effect: 0.32; 95% confidence interval: 0.08-0.56). CONCLUSION Occurrence of complex MND at 18 mo in infants with moderate hyperbilirubinemia was not different from that in comparison infants, but bilirubin level ≥ 300 was associated with an increased risk of complex MND. This study also suggests that minor behavioral effects of moderate hyperbilirubinemia cannot be excluded.
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Schendelaar P, Middelburg KJ, Bos AF, Heineman MJ, Kok JH, La Bastide-Van Gemert S, Seggers J, Van den Heuvel ER, Hadders-Algra M. The effect of preimplantation genetic screening on neurological, cognitive and behavioural development in 4-year-old children: follow-up of a RCT. Hum Reprod 2013; 28:1508-18. [PMID: 23535872 DOI: 10.1093/humrep/det073] [Citation(s) in RCA: 25] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022] Open
Abstract
STUDY QUESTION Does embryo biopsy inherent to preimplantation genetic screening (PGS) affect neurological, cognitive and behavioural development of 4-year-old children? SUMMARY ANSWER PGS does not seem to affect neurological, cognitive and behavioural development of 4-year-old singletons; however, our data suggest that it may be associated with altered neurodevelopment in twins. WHAT IS KNOWN ALREADY Evidence concerning the safety of PGS on neurodevelopmental outcome in offspring is scarce. The present study provides information on neurodevelopmental, cognitive and behavioural outcome of 4-year-old PGS offspring. STUDY DESIGN, SIZE, DURATION A prospective, assessor-blinded follow-up study of children born to women who participated in a multi-centre RCT on the effect of IVF with or without PGS. PARTICIPANTS/MATERIALS, SETTING, METHODS At 4 years, 49 children (31 singletons, 9 sets of twins) born following IVF with PGS and 64 children (42 singletons, 11 sets of twins) born following IVF without PGS (controls) were assessed (post-natal attrition 18%). Neurological development was evaluated with the standardized, age-specific and sensitive neurological examination according to Hempel, resulting in a neurological optimality score (NOS), a fluency score and the rate of adverse neurological outcome. Primary outcome was the fluency score, as fluency of movements is easily reduced by subtle dysfunction of the brain. Cognitive development was evaluated with the Kaufman Assessment Battery for Children; behavioural development was evaluated with the Child Behavior Checklist. The effect of PGS was analysed with a mixed effects model. MAIN RESULTS AND THE ROLE OF CHANCE Based on the intention to treat analysis, neurodevelopmental outcome of PGS children was similar to that of controls. However, additional analyses indicated that PGS affected neurodevelopmental outcome of twins in a different way than that of singletons. The fluency score of singletons born following PGS was similar to that of control singletons [mean values, 95% confidence intervals (CIs): 12.2 (11.5;12.8) and 12.2 (11.6;12.8)], respectively, P = 0.977) that was also true for the other neurodevelopmental parameters. The fluency score of PGS twins was significantly lower than that of control twins [mean values, 95% CIs: 10.6 (9.8;11.3) and 12.3 (11.5;13.1)], respectively, P = 0.001); the same was true for the NOS. In addition, PGS in twins was associated with a higher sequential intelligence quotient score. On the other hand, other neurodevelopmental parameters were similar for PGS twins and control twins. Post hoc sample size calculation for the primary outcome parameter, the fluency score, indicated that the study groups, including the subgroups of singletons and twins, were adequately powered. LIMITATIONS, REASONS FOR CAUTION We assessed singletons and twins who contributed to the generalizability of the study. A limitation of our study is the relative small size of our study groups and the selective dropout in both groups (dropouts PGS group: higher gestational age; control group: less well-educated parents). These preclude the conclusion that PGS per se is not associated with neurodevelopmental, cognitive and behavioural problems in singletons and the conclusion that PGS is associated with altered neurodevelopmental outcome in twins. WIDER IMPLICATIONS OF THE FINDINGS The need for careful long-term monitoring of children born following embryo biopsy remains, as it is still applied in the form of PGD and it is still unknown whether embryo biopsy affects long-term neurodevelopmental outcome.
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Affiliation(s)
- P Schendelaar
- Department of Paediatrics, Division of Developmental Neurology-CA 85, University Medical Center Groningen, Hanzeplein 1, 9713 GZ Groningen, The Netherlands
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Hadders-Algra M, Reinders-Messelink HA, Huizing K, van den Berg R, van der Sluis CK, Maathuis CGB. Use and functioning of the affected limb in children with unilateral congenital below-elbow deficiency during infancy and preschool age: a longitudinal observational multiple case study. Early Hum Dev 2013; 89:49-54. [PMID: 22863184 DOI: 10.1016/j.earlhumdev.2012.07.011] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/20/2011] [Revised: 06/22/2012] [Accepted: 07/10/2012] [Indexed: 10/28/2022]
Abstract
BACKGROUND Children with unilateral congenital below elbow deficiency (UCBED) lack a part of an arm, thereby lacking a part of the typical hand function. Little is known on the performance of daily activities in very young children with UCBED, usage of their affected arm with or without prosthesis during play, and neurological condition. AIM To explore daily activities, the use of the affected limb with or without prosthesis and neurological condition over time in young children with UCBED. DESIGN A longitudinal observational multiple case study. METHODS Four children with UCBED were assessed (first assessment at 3-16months) every 6-8months (follow-up 13-49months) with a video-recorded, standardized play session and a neurological examination. Yearly, functioning in daily activities was evaluated using the Pediatric Evaluation of Disability Inventory - Dutch Version (PEDI-NL). Play behaviour was assessed with and without prosthesis, where applicable (n=2). Video-analysis focused on achievement, exploration, variation and adaptability of the affected limb. Behavioural changes over time were plotted and analysed visually. RESULTS Over time, children with UCBED showed efficient usage of their affected arm during spontaneous play. Prosthesis use seemed to be associated with reduced manipulation, exploration, variation and adaptation. Three children showed minor neurological dysfunction. Functioning in daily activities was comparable to a norm population. CONCLUSION The short limb of children with UCBED is used as an exploratory, manipulatory and fixating tool from the beginning of infancy. Its value seems to be reflected in these children's normal functioning in daily life. Prosthetic use may lead to less effective performance.
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Affiliation(s)
- Mijna Hadders-Algra
- Dept. of Paediatrics-Developmental Neurology, University Medical Center Groningen, University of Groningen, Groningen, The Netherlands
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Abstract
PURPOSE To investigate the reliability and validity of video clips in assessing movement disorders in preschool children. METHODS The study group included 27 children with neuromotor concerns. The explorative validity group included children with motor problems (n = 21) or with typical development (n = 9). Hempel screening was used for live observation of the child, full recording, and short video clips. The explorative study tested the validity of the clinical classifications "typical" or "suspect." RESULTS Agreement between live observation and the full recording was almost perfect; Agreement for the clinical classification "typical" or "suspect" was substantial. Agreement between the full recording and short video clips was substantial to moderate. The explorative validity study, based on short video clips and the presence of a neuromotor developmental disorder, showed substantial agreement. CONCLUSION Hempel screening enables reliable and valid observation of video clips, but further research is necessary to demonstrate the predictive value.
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Campoy C, Escolano-Margarit MV, Ramos R, Parrilla-Roure M, Csábi G, Beyer J, Ramirez-Tortosa MC, Molloy AM, Decsi T, Koletzko BV. Effects of prenatal fish-oil and 5-methyltetrahydrofolate supplementation on cognitive development of children at 6.5 y of age. Am J Clin Nutr 2011; 94:1880S-1888S. [PMID: 21849596 DOI: 10.3945/ajcn.110.001107] [Citation(s) in RCA: 81] [Impact Index Per Article: 6.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/26/2023] Open
Abstract
BACKGROUND The influence of prenatal long-chain polyunsaturated fatty acids (LC-PUFAs) and folate on neurologic development remains controversial. OBJECTIVE The objective was to assess the long-term effects of n-3 (omega-3) LC-PUFA supplementation, 5-methyltetrahydrofolate (5-MTHF) supplementation, or both in pregnant women on cognitive development of offspring at 6.5 y of age. DESIGN This was a follow-up study of the NUHEAL (Nutraceuticals for a Healthier Life) cohort. Healthy pregnant women in 3 European centers were randomly assigned to 4 intervention groups. From the 20th week of pregnancy until delivery, they received a daily supplement of 500 mg docosahexaenoic acid (DHA) + 150 mg eicosapentaenoic acid [fish oil (FO)], 400 μg 5-MTHF, or both or a placebo. Infants received formula containing 0.5% DHA and 0.4% arachidonic acid (AA) if they were born to mothers receiving FO supplements or were virtually free of DHA and AA until the age of 6 mo if they belonged to the groups that were not supplemented with FO. Fatty acids and folate concentrations were determined in maternal blood at weeks 20 and 30 of pregnancy, at delivery, and in cord blood. Cognitive function was assessed at 6.5 y of age with the Kaufman Assessment Battery for Children (K-ABC). RESULTS We observed no significant differences in K-ABC scores between intervention groups. Higher DHA in maternal erythrocytes at delivery was associated with a Mental Processing Composite Score higher than the 50th percentile in the offspring. CONCLUSION We observed no significant effect of supplementation on the cognitive function of children, but maternal DHA status may be related to later cognitive function in children. This trial was registered at clinicaltrials.gov as NCT01180933.
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Affiliation(s)
- Cristina Campoy
- Department of Pediatrics, Laboratory of Medical Investigations, Clinical University Hospital San Cecilio, Granada, Spain.
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Hadders-Algra M. Prenatal and early postnatal supplementation with long-chain polyunsaturated fatty acids: neurodevelopmental considerations. Am J Clin Nutr 2011; 94:1874S-1879S. [PMID: 21525202 DOI: 10.3945/ajcn.110.001065] [Citation(s) in RCA: 35] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/08/2023] Open
Abstract
It takes >20 y before the human brain obtains its complex adult configuration. Most dramatic neurodevelopmental changes occur prenatally and early postnatally, including a major transformation in cortical organization 3-4 mo after term. The long-lasting changes have practical implications for studies evaluating the effect of prenatal and early postnatal supplementation with long-chain polyunsaturated fatty acids (LC-PUFAs). Whether studies of the effect of supplementation will reveal an effect not only depends on the dosage and duration of supplementation but also on 1) the timing of supplementation, 2) the age at which the outcome is assessed, 3) the application of age-specific sensitive neurodevelopmental tools, and 4) the functional domain evaluated. Studies of the effects of prenatal supplementation with docosahexaenoic acid (DHA) or fish oil have provided inconsistent results. However, maternal and neonatal concentrations of DHA and arachidonic acid are associated with improved outcomes in early infancy, and concentrations of DHA are associated with favorable neurodevelopmental outcome beyond early infancy. Studies of LC-PUFA supplementation in preterm infants have not shown evidence of a positive effect on neurodevelopmental outcome. Similar studies in full-term infants have indicated that supplementation with 0.30% DHA (by wt) promotes neurodevelopmental outcome in early infancy, but positive effects on later outcome have not been shown. However, information on the effects on outcomes at school age or later is virtually absent. This article stresses the need for long-term longitudinal studies that apply age-specific, sensitive neurodevelopmental tools, which also take into account lifestyle habits, maternal prepregnancy nutritional status, and genetic variation in metabolism.
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Affiliation(s)
- Mijna Hadders-Algra
- Department of Pediatrics, Developmental Neurology, University Medical Center, Groningen, Netherlands.
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Abstract
BACKGROUND Systematic reviews have suggested that early intervention by means of specific motor training programs and general developmental programs in which parents learn how to promote infant development may be the most promising ways to promote infant motor and cognitive development of infants with or at high risk for developmental motor disorders. OBJECTIVE The purpose of this study was to investigate the effects of a recently developed pediatric physical therapy intervention program ("Coping With and Caring for Infants With Special Needs" [COPCA]) on the development of infants at high risk for developmental disorders using a combined approach of a 2-arm randomized trial and process evaluation. SETTING The study was conducted at the University Medical Center Groningen in the Netherlands. PARTICIPANTS AND INTERVENTION Forty-six infants at high risk for developmental disorders were randomly assigned to receive COPCA (a family-centered program) (n=21) or traditional infant physical therapy (TIP) (n=25) between 3 to 6 months corrected age (CA). Developmental outcome was assessed by blinded assessors at 3, 6, and 18 months CA with a neurological examination, the Alberta Infant Motor Scales, the Pediatric Evaluation of Disability Inventory, and the Mental Developmental Index (MDI) of the Bayley Scales of Infant Development. Contents of the intervention were analyzed by a quantitative video analysis of therapy sessions. Quantified physical therapy actions were correlated to evaluate associations between intervention and developmental outcome components. RESULTS The trial revealed that developmental outcome in both groups was largely identical. Process evaluation showed that typical COPCA actions-(1) family involvement and educational actions, (2) application of a wide variation in challenging the infant to produce motor behavior by himself or herself and allowing the infant to continue this activity, and (3) stimulation of motor behavior at the limit of the infant's capabilities-had positive correlations with developmental outcome at 18 months CA. The use of handling techniques was negatively associated with the Pediatric Evaluation of Disability Inventory outcome at 18 months CA. LIMITATIONS Major limitations were the limited size of the groups studied and the differences between the groups in frequency and duration of physical therapy sessions. CONCLUSION Extending the randomized trial with process evaluation was needed to obtain insight into associations between the components of intervention and developmental outcome. Specific therapist behaviors of parent coaching are associated with improved developmental outcome measures. Further studies are needed to examine whether these associations are caused by therapist behavior or whether therapist behavior is modified by children's motor skills.
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Ghods E, Kreissl A, Brandstetter S, Fuiko R, Widhalm K. Head circumference catch-up growth among preterm very low birth weight infants: effect on neurodevelopmental outcome. J Perinat Med 2011; 39:579-86. [PMID: 21740330 DOI: 10.1515/jpm.2011.049] [Citation(s) in RCA: 42] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
Abstract
AIMS The purpose of this study was to determine whether head circumference (HC) catch-up is associated with improved neurocognitive development. DESIGN A retrospective cohort study was conducted in 179 preterm very low birth weight (VLBW) (BW≤1500 g) infants. The infants were born in 2000-2002 and were followed to the age of 5.5 years. The association between HC catch-up and neurodevelopmental outcome was assessed and perinatal risk factors, infant characteristics and nutritional practices associated with HC catch-up were determined. RESULTS HC catch-up occurred in 59 (34%) infants and was positively correlated with neurodevelopmental outcome. The likelihood of HC catch-up increased with increasing birth weight and gestational age. HC catch-up occurred more often with breast milk feeding during hospitalization and with supplemental formula feeding at discharge, but decreased in prevalence with longer duration of breastfeeding after discharge. HC catch-up was more likely to occur in first-born infants and in families with high socioeconomic status. Most HC catch-up occurred between birth and three months corrected age. CONCLUSION Among preterm-VLBW infants, there is a close relation between HC growth and neurodevelopmental outcome. Efforts to improve neurocognitive outcomes should focus on factors associated with HC catch-up.
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Affiliation(s)
- Elaheh Ghods
- Division of Pediatric Nutrition and Prevention, Department of Pediatrics, Medical University of Vienna, Austria.
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Heineman KR, Bos AF, Hadders-Algra M. Infant Motor Profile and cerebral palsy: promising associations. Dev Med Child Neurol 2011; 53 Suppl 4:40-5. [PMID: 21950393 DOI: 10.1111/j.1469-8749.2011.04063.x] [Citation(s) in RCA: 20] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
AIM The Infant Motor Profile (IMP) is a novel qualitative assessment of motor behaviour in infancy. The aim of this study was to determine whether IMP scores throughout infancy differ between children with and without cerebral palsy (CP) at 18 months. Furthermore, we evaluated the predictive ability of IMP scores throughout infancy for CP. METHOD Fifty-nine preterm (median gestational age 29.7 wk, median birthweight 1285 g) and 30 term infants (median gestational age 40.1 wk, median birthweight 3588 g) were included. IMP assessments were longitudinally performed at (corrected) ages of 4, 6, 10, and 12 months. Neurological outcome was determined at 18 months with the neurological examination according to Hempel. We compared total and domain IMP scores throughout infancy between infants with and without CP. RESULTS In the term group none of the children was diagnosed with CP at the age of 18 months, in the preterm group eight had CP at 18 months (14%). Three had unilateral spastic CP, and five bilateral spastic CP. Children with CP (n=8) at 18 months had lower IMP scores throughout infancy than children without. These differences were most pronounced for the domains variation and performance. The predictive ability of the total IMP scores throughout infancy for CP was high (area under receiver operating characteristic curve 0.89-0.99) and most pronounced for the variation and performance domains. INTERPRETATION IMP scores throughout infancy and CP at 18 months are strongly related. In particular, low scores on the variation and performance domains were important indicators for CP. To determine the exact predictive ability of the IMP, further research is needed.
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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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Escolano-Margarit MV, Ramos R, Beyer J, Csábi G, Parrilla-Roure M, Cruz F, Perez-Garcia M, Hadders-Algra M, Gil A, Decsi T, Koletzko BV, Campoy C. Prenatal DHA status and neurological outcome in children at age 5.5 years are positively associated. J Nutr 2011; 141:1216-23. [PMID: 21525247 DOI: 10.3945/jn.110.129635] [Citation(s) in RCA: 66] [Impact Index Per Article: 5.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/26/2023] Open
Abstract
Beneficial effects of perinatal DHA supply on later neurological development have been reported. We assessed the effects of maternal DHA supplementation on the neurological development of their children. Healthy pregnant women from Spain, Germany, and Hungary were randomly assigned to a dietary supplement consisting of either fish oil (FO) (500 mg/d DHA + 150 mg/d EPA), 400 μg/d 5-methyltetrahydrofolate, both, or placebo from wk 20 of gestation until delivery. Fatty acids in plasma and erythrocyte phospholipids (PL) were determined in maternal blood at gestational wk 20 and 30 and in cord and maternal blood at delivery. Neurological development was assessed with the Hempel examination at the age of 4 y and the Touwen examination at 5.5 y. Minor neurological dysfunction, neurological optimality score (NOS), and fluency score did not differ between groups at either age, but the odds of children with the maximal NOS score increased with every unit increment in cord blood DHA level at delivery in plasma PL (95% CI: 1.094-2.262), erythrocyte phosphatidylethanolamine (95% CI: 1.091-2.417), and erythrocyte phosphatidylcholine (95% CI: 1.003-2.643). We conclude that higher DHA levels in cord blood may be related to a better neurological outcome at 5.5 y of age.
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Sobko T, Svensson V, Ek A, Ekstedt M, Karlsson H, Johansson E, Cao Y, Hagströmer M, Marcus C. A randomised controlled trial for overweight and obese parents to prevent childhood obesity--Early STOPP (STockholm Obesity Prevention Program). BMC Public Health 2011; 11:336. [PMID: 21592388 PMCID: PMC3121630 DOI: 10.1186/1471-2458-11-336] [Citation(s) in RCA: 39] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/08/2011] [Accepted: 05/18/2011] [Indexed: 11/10/2022] Open
Abstract
BACKGROUND Overweight and obesity have a dramatic negative impact on children's health not only during the childhood but also throughout the adult life. Preventing the development of obesity in children is therefore a world-wide health priority. There is an obvious urge for sustainable and evidenced-based interventions that are suitable for families with young children, especially for families with overweight or obese parents. We have developed a prevention program, Early STOPP, combating multiple obesity-promoting behaviors such unbalanced diet, physical inactivity and disturbed sleeping patterns. We also aim to evaluate the effectiveness of the early childhood obesity prevention in a well-characterized population of overweight or obese parents. This protocol outlines methods for the recruitment phase of the study. DESIGN AND METHODS This randomized controlled trial (RCT) targets overweight and/or obese parents with infants, recruited from the Child Health Care Centers (CHCC) within the Stockholm area. The intervention starts when infants are one year of age and continues until they are six and is regularly delivered by a trained coach (dietitian, physiotherapist or a nurse). The key aspects of Early STOPP family intervention are based on Swedish recommendations for CHCC, which include advices on healthy food choices and eating patterns, increasing physical activity/reducing sedentary behavior and regulating sleeping patterns. DISCUSSION The Early STOPP trial design addresses weaknesses of previous research by recruiting from a well-characterized population, defining a feasible, theory-based intervention and assessing multiple measurements to validate and interpret the program effectiveness. The early years hold promise as a time in which obesity prevention may be most effective. To our knowledge, this longitudinal RCT is the first attempt to demonstrate whether an early, long-term, targeted health promotion program focusing on healthy eating, physical activity/reduced sedentary behaviors and normalizing sleeping patterns could be effective. If proven so, Early STOPP may protect children from the development of overweight and obesity. TRIAL REGISTRATION The protocol for this study is registered with the clinical trials registry clinicaltrials.gov, ID: ES-2010).
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Affiliation(s)
- Tanja Sobko
- Department of Clinical Science, Intervention and Technology, Division of Paediatrics, Endocrine Research Unit B62, Karolinska Institutet, S-141 86 Stockholm, Sweden.
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Hielkema T, Blauw-Hospers CH, Dirks T, Drijver-Messelink M, Bos AF, Hadders-Algra M. Does physiotherapeutic intervention affect motor outcome in high-risk infants? An approach combining a randomized controlled trial and process evaluation. Dev Med Child Neurol 2011; 53:e8-15. [PMID: 21291457 DOI: 10.1111/j.1469-8749.2010.03876.x] [Citation(s) in RCA: 55] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
AIM The aim of this study was to examine the effects of intervention in infants at risk of developmental disorders on motor outcome, as measured by the Infant Motor Profile (IMP) and using the combined approach of a randomized controlled trial and process evaluation. METHOD At a corrected age of 3 months, 46 infants (20 males, 26 females) recruited from the neonatal intensive care unit at the University Medical Centre Groningen (median birthweight 1210 g, range 585-4750 g; median gestational age 30 wks, range 25-40 wks) were included on the basis of definitely abnormal general movements. Exclusion criteria were severe congenital disorders and insufficient understanding of the Dutch language. The infants were assigned to either the family-centred COPing with and CAring for Infants with Special Needs (COPCA) intervention group (n=21; 9 males, 12 females) or the traditional infant physiotherapy (TIP) intervention group (n=25; 11 males, 14 females) for a period of 3 months. Three infants assigned to the TIP group (one male, two females) did not receive physiotherapy. IMP scores were measured by blinded assessors at 3, 4, 5, 6, and 18 months. At each age, the infants were neurologically examined. Physiotherapeutic sessions at 4 and 6 months were videotaped. Quantified physiotherapeutic actions were correlated with IMP scores at 6 and 18 months. RESULTS The IMP scores of both the COPCA and TIP groups before, during, and after the intervention did not differ. Some physiotherapeutic actions were associated with IMP outcomes; the associations differed for infants who developed cerebral palsy (n=10) and those who did not (n=33). INTERPRETATION At randomized controlled trial level, the scores of both the TIP and COPCA groups did not differ in effect on motor outcome, as measured with the IMP. The analysis of physiotherapeutic actions revealed associations between these actions and IMP outcomes. However, the small sample size of this study precludes pertinent conclusions.
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Affiliation(s)
- Tjitske Hielkema
- Division of Developmental Neurology, Department of Paediatrics, University Medical Centre Groningen, University of Groningen, Groningen, the Netherlands
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Schendelaar P, Middelburg KJ, Bos AF, Heineman MJ, Jongbloed-Pereboom M, Hadders-Algra M. The Groningen ART cohort study: the effects of ovarian hyperstimulation and the IVF laboratory procedures on neurological condition at 2 years. Hum Reprod 2011; 26:703-12. [DOI: 10.1093/humrep/deq377] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022] Open
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Houtzager BA, Gorter-Overdiek B, Van Sonderen L, Tamminga P, Van Wassenaer AG. Improvement of developmental outcome between 24 and 36 months corrected age in very preterm infants. Acta Paediatr 2010; 99:1801-6. [PMID: 20670310 DOI: 10.1111/j.1651-2227.2010.01953.x] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
AIM To study early developmental course in preschool-aged very preterm infants and its association with perinatal risk factors and test-taking behaviour. METHODS Children born <30 weeks gestation and/or <1000g in the Academic Medical Center of Amsterdam were assessed at 24 and 36 months corrected age with the Dutch Bayley Scales of Infant Development-II (BSID-II-NL) and neurological examination. Linear regression analyses for developmental change were performed with perinatal risk factors. RESULTS One hundred and forty-six children, mean GA 28 weeks and mean birth weight 1043 g, participated. Mental and psychomotor scores improved significantly with 6 and 7 points, respectively, from 24 to 36 months (p < 0.01). Mild to severe problems on at least one domain occurred less often at 36 (32%) compared to 24 months (63%) (p < 0.01), using corrected scores. Mental improvement was associated with being born very small for gestational age or <28 weeks; psychomotor improvement was associated with not being treated with indomethacin. Difficult test behaviour occurred mostly at 24 months and was associated with non-optimal development at 36 months. CONCLUSION Improved developmental outcome and test behaviour were found at 36 compared to 24 months in a cohort of very preterm children. Long-term outcome studies and retesting of behaviourally difficult children are recommended.
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Affiliation(s)
- Bregje A Houtzager
- Emma Children's Hospital of the Academic Medical Center, Amsterdam, Netherlands.
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Greaves S, Imms C, Dodd K, Krumlinde-Sundholm L. Assessing bimanual performance in young children with hemiplegic cerebral palsy: a systematic review. Dev Med Child Neurol 2010; 52:413-21. [PMID: 20059510 DOI: 10.1111/j.1469-8749.2009.03561.x] [Citation(s) in RCA: 54] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
AIM This systematic review investigated the availability of assessment tools to evaluate bimanual skills in young children (< or = 3y) with hemiplegic cerebral palsy. Evidence for validity, reliability, and clinical utility of the identified instruments was sought. METHOD Ten electronic databases and grey literature were searched (earliest 1806) to February 2009 to identify articles that met criteria related to the child's age and diagnosis, and included a discrete bimanual assessment. Further searches for evidence of psychometric properties of each identified assessment were undertaken. For quality criteria, we evaluated the internal validity of each study and appraised the validity and reliability of identified assessments. RESULTS From 1435 papers retrieved, 15 were eligible for inclusion, and 11 assessments of bimanual performance were identified. Ten assessments had inadequate evidence for reliability and validity. Only the Assisting Hand Assessment had evidence for reliability and validity for its intended purposes. INTERPRETATION Reliability and validity are fundamental considerations when developing or selecting assessments. Additional considerations for assessing young children include the following: (1) standardized administration and scoring; (2) items that capture the complexity of bimanual behaviour; and (3) protocols and items targeted within a small age range to meet specific developmental needs. A validated assessment of younger infants is needed to support early intervention during this period of rapid brain development.
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Affiliation(s)
- Susan Greaves
- La Trobe University, Royal Children's Hospital, Melbourne, Australia
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Middelburg KJ, Heineman MJ, Haadsma ML, Bos AF, Kok JH, Hadders-Algra M. Neurological condition of infants born after in vitro fertilization with preimplantation genetic screening. Pediatr Res 2010; 67:430-4. [PMID: 20057341 DOI: 10.1203/pdr.0b013e3181d2273e] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Abstract
Aim of this study was to evaluate the effect of preimplantation genetic screening (PGS) on neurodevelopmental outcome in children. We conducted a prospective follow-up study of children born to women randomly assigned to in vitro fertilization with or without PGS. Primary outcome was adverse neurologic outcome at 18 mo; secondary outcomes were types of minor neurologic dysfunction (MND), neurologic outcome before 18 mo, neonatal intensive care admission, and congenital malformations. Twenty women in the PGS group participated with 25 children and 26 women in the control group participated with 31 children. Five PGS pregnancies (25%) and four control pregnancies (15%) resulted in birth of at least one child with an adverse neurologic outcome (adjusted odds ratio: 2.3 [0.4-12.0]). Dysfunction in fine motor abilities and posture and muscle tone dysregulation tended to be present more frequently after PGS. Neurologic outcome before 18 mo, neonatal intensive care admission, and prevalence of congenital malformations were similar in study and control pregnancies. Nevertheless, at child level, rates of adverse outcome were higher after PGS. In conclusion, outcome in pregnancies after in vitro fertilization (IVF) with and without PGS was similar. The small sample size precludes the conclusion that PGS is not associated with less favorable neurologic outcome. Safety of new assisted reproductive techniques should be evaluated before large-scale implementation.
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Affiliation(s)
- Karin J Middelburg
- Departments of Pediatrics, University Medical Center Groningen, The Netherlands.
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Hadders-Algra M, Heineman KR, Bos AF, Middelburg KJ. The assessment of minor neurological dysfunction in infancy using the Touwen Infant Neurological Examination: strengths and limitations. Dev Med Child Neurol 2010; 52:87-92. [PMID: 19549207 DOI: 10.1111/j.1469-8749.2009.03305.x] [Citation(s) in RCA: 71] [Impact Index Per Article: 5.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
AIM Little is known of minor neurological dysfunction (MND) in infancy. This study aimed to evaluate the inter-assessor reliability of the assessment of MND with the Touwen Infant Neurological Examination (TINE) and the construct and predictive validity of MND in infancy. METHOD Inter-assessor agreement was determined in a sample of 40 infants (24 males, 16 females) aged 3 to 12 months (25 born at term: gestational age 37-41wks, median 39; and 15 born preterm, gestational age 24-35wks, median 32). Thirty typically developing term infants (18 males, 12 females; gestational age 37-42wks, median 40) and 59 preterm infants (34 males, 25 females) born at <35 weeks' gestation (gestational age 25-34wks, median 29) participated in the validity study. They were neurologically assessed with the TINE at the corrected ages of 4, 6, 10, and 12 months and with the Hempel assessment at 18 months. RESULTS The findings indicated that MND can be assessed reliably (inter-assessor agreement: kappa=0.83). MND during infancy was related to prenatal, perinatal, and social factors, and in particular to preterm birth. Neurological condition during infancy was prone to change, but was related to neurological condition at 18 months at all ages tested. INTERPRETATION We conclude that MND can be determined reliably in infancy. Important considerations in the construct of MND in infancy are its relation to prenatal and perinatal factors, its limited stability, and its moderate predictive value.
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Affiliation(s)
- Mijna Hadders-Algra
- Department of Paediatrics & Developmental Neurology, University Medical Center Groningen, Groningen, the Netherlands.
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Middelburg KJ, Heineman MJ, Bos AF, Pereboom M, Fidler V, Hadders-Algra M. The Groningen ART cohort study: ovarian hyperstimulation and the in vitro procedure do not affect neurological outcome in infancy. Hum Reprod 2009; 24:3119-26. [PMID: 19749193 DOI: 10.1093/humrep/dep310] [Citation(s) in RCA: 28] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022] Open
Abstract
BACKGROUND Due to the growing number of children born following assisted reproduction technology, even subtle changes in the children's health and development are of importance to society at large. The aim of the present study was to evaluate the specific effects of ovarian hyperstimulation and the in vitro procedure on neurological outcome in 4-18-month-old children. METHODS In this prospective assessor-blinded cohort study, we included singletons born following controlled ovarian hyperstimulation in vitro fertilization (IVF) or intracytoplasmic sperm injection (ICSI) (COH-IVF; n = 68) or modified natural cycle-IVF/ICSI (MNC-IVF; n = 57) or naturally conceived singletons of subfertile couples (NC; n = 90). Children were assessed with standardized, age-specific and sensitive neurological assessments (TINE and Hempel assessment) at 4, 10 and 18 months. Neurological examination resulted in a neurological optimality score (NOS), a fluency score and a clinical neurological classification. Fluency of movements is easily affected by neurological dysfunction and is therefore a sensitive measure for minimal changes in neuromotor development. RESULTS The NOS and the fluency score were similar in COH-IVF, MNC-IVF and NC children. None of the children showed major neurological dysfunction and rates of minor neurological dysfunction at the three ages were not different between the three conception groups. CONCLUSIONS We found no effects of ovarian hyperstimulation or the in vitro procedure itself on neurological outcome in children aged 4-18 months. The findings of our study are reassuring, nevertheless it should be kept in mind that subtle neurodevelopmental disorders may emerge when children grow older. Continuation of follow-up in older and larger groups of children is therefore still needed.
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Affiliation(s)
- K J Middelburg
- Department of Paediatrics, Division of Developmental Neurology-CA85, University Medical Center Groningen, Hanzeplein 1, 9713 GZ Groningen, The Netherlands.
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Paro-Panjan D, Kodri J, Sustersic B. Association between neurological signs and developmental outcome: pilot results in preterm group. Croat Med J 2009; 50:345-50. [PMID: 19673034 DOI: 10.3325/cmj.2009.50.345] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022] Open
Abstract
AIM To study the correlations between neurological signs and developmental performance, and to analyze the value of neurological signs in identification of developmental disabilities. METHODS A group of 26 preterm infants (gestational age from 23 weeks to 36 weeks) was studied. The neurological assessment described by Amiel-Tison and Gosselin was performed at term age and repeated every 3 months up to the age of 2, when the sum of all adverse findings was categorized. According to the nature and associations of neurological and cranial signs, patients were divided into 5 categories: 1) cerebral palsy; 2) minimal cerebral palsy; 3) Amiel-Tison triad; 4) intermediate; and 5) normal. Developmental assessment using the Bayley Scales of Infant Development, second edition, was performed between the age of 2 and 3, and the Mental and Psychomotor Developmental Index was determined. RESULTS The developmental performance was highest in the group of children without neurological signs and lowest in the group with cerebral palsy. There was a strong correlation between neurological signs and mental developmental performance (Spearman rho=0.71), while the correlation between neurological signs and psychomotor developmental performance was weaker (Spearman rho=0.54). CONCLUSION Categorization of neurological assessment and identification of 3 minor neurological signs may be a valuable tool for early detection of children with developmental disabilities.
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Affiliation(s)
- Darja Paro-Panjan
- Neonatal Unit, Division of Pediatrics, University Medical Centre, Vrazov trg 1, 1525, Ljubljana, Slovenia.
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Spittle AJ, Doyle LW, Boyd RN. A systematic review of the clinimetric properties of neuromotor assessments for preterm infants during the first year of life. Dev Med Child Neurol 2008; 50:254-66. [PMID: 18190538 DOI: 10.1111/j.1469-8749.2008.02025.x] [Citation(s) in RCA: 218] [Impact Index Per Article: 13.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/26/2022]
Abstract
This systematic review evaluates assessments used to discriminate, predict, or evaluate the motor development of preterm infants during the first year of life. Eighteen assessments were identified; nine met the inclusion criteria. The Alberta Infant Motor Scale (AIMS), Bayley Scale of Infant and Toddler Development -- Version III, Peabody Developmental Motor Scales -- Version 2, Test of Infant Motor Performance (TIMP), and Toddler and Infant Motor Examination have good discriminative validity when examined in large populations. The AIMS, Prechtl's Assessment of General Movements (GMs), Neuro Sensory Motor Development Assessment (NSMDA), and TIMP were designed for preterm infants and are able to detect more subtle changes in movement quality. The best predictive assessment tools are age dependent: GMs, the Movement Assessment of Infants, and TIMP are strongest in early infancy (age 4 mo or less) and the AIMS and NSMDA are better at older ages (8-12 mo). The TIMP is the only tool that has demonstrated a difference between groups in response to intervention in two randomized controlled trials. The AIMS, TIMP, and GMs demonstrated the highest levels of overall reliability (interrater and intrarater intraclass correlation coefficient or kappa>0.85). Selection of motor assessment tools during the first year of life for infants born preterm will depend on the intended purpose of their use for discrimination, prediction, and/or evaluation.
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Affiliation(s)
- Alicia J Spittle
- Victorian Infant Brain Studies, Murdoch Childrens Research Institute, Parkville, Melbourne, Australia.
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Haga N, van der Heijden-Maessen HC, van Hoorn JF, Boonstra AM, Hadders-Algra M. Test-Retest and Inter- and Intrareliability of the Quality of the Upper-Extremity Skills Test in Preschool-Age Children With Cerebral Palsy. Arch Phys Med Rehabil 2007; 88:1686-9. [DOI: 10.1016/j.apmr.2007.07.030] [Citation(s) in RCA: 29] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/22/2007] [Revised: 06/19/2007] [Accepted: 07/19/2007] [Indexed: 11/16/2022]
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Bouwstra H, Dijck-Brouwer J, Decsi T, Boehm G, Boersma ER, Muskiet FAJ, Hadders-Algra M. Neurologic condition of healthy term infants at 18 months: positive association with venous umbilical DHA status and negative association with umbilical trans-fatty acids. Pediatr Res 2006; 60:334-9. [PMID: 16857765 DOI: 10.1203/01.pdr.0000233043.16674.1d] [Citation(s) in RCA: 54] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Abstract
Prenatal long-chain polyunsaturated fatty acids (LCPUFAs) and trans-fatty acids may affect neurodevelopment. In healthy term children, we determined relationships between relative fatty acid contents of umbilical arteries and veins and neurodevelopment at 18 mo. The study comprised a mixed group of 317 breast-fed, formula-fed, and LCPUFA formula-fed children. Study endpoints were the Hempel neurologic examination resulting in a neurologic classification and neurologic optimality score (NOS), and the Bayley Psychomotor Developmental Index (PDI) and Mental Developmental Index (MDI). Fifteen children showed minor neurologic dysfunction (MND). The umbilical vein trans, trans-18:2n-6 content was higher in children with MND than in the normal group. The NOS was significantly reduced in infants with an umbilical vein docosahexaenoic acid (DHA) content within the lowest quartile. Umbilical vein arachidonic acid (AA) was related to NOS in univariate statistics but not in multivariate analyses. The sum of trans-fatty acids and that of C18 trans-fatty acids showed a negative association with NOS in both univariate and multivariate analyses. No associations were found between AA, DHA and total trans-fatty acids with PDI or MDI. In conclusion, neonates with a relatively low DHA status and those with high trans-fatty acid levels have a less favorable neurologic condition at 18 mo.
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Affiliation(s)
- Hylco Bouwstra
- Department of Neurology, University of Groningen, Perinatal Nutrition and Development Unit, University Medical Center Groningen, 9700 RB, Groningen, The Netherlands
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