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Orton J, Doyle LW, Tripathi T, Boyd R, Anderson PJ, Spittle A. Early developmental intervention programmes provided post hospital discharge to prevent motor and cognitive impairment in preterm infants. Cochrane Database Syst Rev 2024; 2:CD005495. [PMID: 38348930 PMCID: PMC10862558 DOI: 10.1002/14651858.cd005495.pub5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/15/2024]
Abstract
BACKGROUND Infants born preterm are at increased risk of cognitive and motor impairments compared with infants born at term. Early developmental interventions for preterm infants are targeted at the infant or the parent-infant relationship, or both, and may focus on different aspects of early development. They aim to improve developmental outcomes for these infants, but the long-term benefits remain unclear. This is an update of a Cochrane review first published in 2007 and updated in 2012 and 2015. OBJECTIVES Primary objective To assess the effect of early developmental interventions compared with standard care in prevention of motor or cognitive impairment for preterm infants in infancy (zero to < three years), preschool age (three to < five years), and school age (five to < 18 years). Secondary objective To assess the effect of early developmental interventions compared with standard care on motor or cognitive impairment for subgroups of preterm infants, including groups based on gestational age, birthweight, brain injury, timing or focus of intervention and study quality. SEARCH METHODS We searched CENTRAL, MEDLINE, Embase, CINAHL, PsycINFO and trial registries in July 2023. We cross-referenced relevant literature, including identified trials and existing review articles. SELECTION CRITERIA Studies included randomised, quasi-randomised controlled trials (RCTs) or cluster-randomised trials of early developmental intervention programmes that began within the first 12 months of life for infants born before 37 weeks' gestational age (GA). Interventions could commence as an inpatient but had to include a post discharge component for inclusion in this review. Outcome measures were not prespecified, other than that they had to assess cognitive outcomes, motor outcomes or both. The control groups in the studies could receive standard care that would normally be provided. DATA COLLECTION AND ANALYSIS Data were extracted from the included studies regarding study and participant characteristics, timing and focus of interventions and cognitive and motor outcomes. Meta-analysis using RevMan was carried out to determine the effects of early developmental interventions at each age range: infancy (zero to < three years), preschool age (three to < five years) and school age (five to < 18 years) on cognitive and motor outcomes. Subgroup analyses focused on GA, birthweight, brain injury, time of commencement of the intervention, focus of the intervention and study quality. We used standard methodological procedures expected by Cochrane to collect data and evaluate bias. We used the GRADE approach to assess the certainty of evidence. MAIN RESULTS Forty-four studies met the inclusion criteria (5051 randomly assigned participants). There were 19 new studies identified in this update (600 participants) and a further 17 studies awaiting outcomes. Three previously included studies had new data. There was variability in the focus and intensity of the interventions, participant characteristics, and length of follow-up. All included studies were either single or multicentre trials and the number of participants varied from fewer than 20 to up to 915 in one study. The trials included in this review were mainly undertaken in middle- or high-income countries. The majority of studies commenced in the hospital, with fewer commencing once the infant was home. The focus of the intervention programmes for new included studies was increasingly targeted at both the infant and the parent-infant relationship. The intensity and dosages of interventions varied between studies, which is important when considering the applicability of any programme in a clinical setting. Meta-analysis demonstrated that early developmental intervention may improve cognitive outcomes in infancy (developmental quotient (DQ): standardised mean difference (SMD) 0.27 standard deviations (SDs), 95% confidence interval (CI) 0.15 to 0.40; P < 0.001; 25 studies; 3132 participants, low-certainty evidence), and improves cognitive outcomes at preschool age (intelligence quotient (IQ); SMD 0.39 SD, 95% CI 0.29 to 0.50; P < 0.001; 9 studies; 1524 participants, high-certainty evidence). However, early developmental intervention may not improve cognitive outcomes at school age (IQ: SMD 0.16 SD, 95% CI -0.06 to 0.38; P = 0.15; 6 studies; 1453 participants, low-certainty evidence). Heterogeneity between studies for cognitive outcomes in infancy and preschool age was moderate and at school age was substantial. Regarding motor function, meta-analysis of 23 studies showed that early developmental interventions may improve motor outcomes in infancy (motor scale DQ: SMD 0.12 SD, 95% CI 0.04 to 0.19; P = 0.003; 23 studies; 2737 participants, low-certainty evidence). At preschool age, the intervention probably did not improve motor outcomes (motor scale: SMD 0.08 SD, 95% CI -0.16 to 0.32; P = 0.53; 3 studies; 264 participants, moderate-certainty evidence). The evidence at school age for both continuous (motor scale: SMD -0.06 SD, 95% CI -0.31 to 0.18; P = 0.61; three studies; 265 participants, low-certainty evidence) and dichotomous outcome measures (low score on Movement Assessment Battery for Children (ABC) : RR 1.04, 95% CI 0.82 to 1.32; P = 0.74; 3 studies; 413 participants, low-certainty evidence) suggests that intervention may not improve motor outcome. The main source of bias was performance bias, where there was a lack of blinding of participants and personnel, which was unavoidable in this type of intervention study. Other biases in some studies included attrition bias where the outcome data were incomplete, and inadequate allocation concealment or selection bias. The GRADE assessment identified a lower certainty of evidence in the cognitive and motor outcomes at school age. Cognitive outcomes at preschool age demonstrated a high certainty due to more consistency and a larger treatment effect. AUTHORS' CONCLUSIONS Early developmental intervention programmes for preterm infants probably improve cognitive and motor outcomes during infancy (low-certainty evidence) while, at preschool age, intervention is shown to improve cognitive outcomes (high-certainty evidence). Considerable heterogeneity exists between studies due to variations in aspects of the intervention programmes, the population and outcome measures utilised. Further research is needed to determine which types of early developmental interventions are most effective in improving cognitive and motor outcomes, and in particular to discern whether there is a longer-term benefit from these programmes.
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Affiliation(s)
- Jane Orton
- Royal Women's Hospital, Parkville, Australia
- Department of Physiotherapy, University of Melbourne, Parkville, Australia
| | - Lex W Doyle
- Department of Obstetrics and Gynaecology, University of Melbourne, Parkville, Australia
| | - Tanya Tripathi
- Department of Physiotherapy, University of Melbourne, Parkville, Australia
| | - Roslyn Boyd
- The University of Queensland, Brisbane, Australia
| | - Peter J Anderson
- Department of Clinical Sciences, Murdoch Children's Research Institute, The Royal Children's Hospital, Melbourne, Australia
- Turner Institute for Brain and Mental Health, School of Psychological Sciences, Monash University, Clayton, Australia
| | - Alicia Spittle
- Department of Physiotherapy, University of Melbourne, Parkville, Australia
- Murdoch Childrens Research Institute and the University of Melbourne, Parkville, Australia
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Prevalence of preschool children developmental disabilities in northeastern Taiwan - Screening with Taipei City Developmental Screening Checklist for Preschoolers, 2nd Version. J Formos Med Assoc 2020; 119:1174-1179. [DOI: 10.1016/j.jfma.2020.02.001] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/29/2019] [Revised: 12/24/2019] [Accepted: 02/03/2020] [Indexed: 11/23/2022] Open
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Wen X, Hartzema A, Delaney JA, Brumback B, Liu X, Egerman R, Roth J, Segal R, Meador KJ. Combining adverse pregnancy and perinatal outcomes for women exposed to antiepileptic drugs during pregnancy, using a latent trait model. BMC Pregnancy Childbirth 2017; 17:10. [PMID: 28061833 PMCID: PMC5219655 DOI: 10.1186/s12884-016-1190-7] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/10/2015] [Accepted: 12/09/2016] [Indexed: 11/10/2022] Open
Abstract
Background Application of latent variable models in medical research are becoming increasingly popular. A latent trait model is developed to combine rare birth defect outcomes in an index of infant morbidity. Methods This study employed four statewide, retrospective 10-year data sources (1999 to 2009). The study cohort consisted of all female Florida Medicaid enrollees who delivered a live singleton infant during study period. Drug exposure was defined as any exposure to Antiepileptic drugs (AEDs) during pregnancy. Mothers with no AED exposure served as the AED unexposed group for comparison. Four adverse outcomes, birth defect (BD), abnormal condition of new born (ACNB), low birth weight (LBW), and pregnancy and obstetrical complication (PCOC), were examined and combined using a latent trait model to generate an overall severity index. Unidimentionality, local independence, internal homogeneity, and construct validity were evaluated for the combined outcome. Results The study cohort consisted of 3183 mother-infant pairs in total AED group, 226 in the valproate only subgroup, and 43,956 in the AED unexposed group. Compared to AED unexposed group, the rate of BD was higher in both the total AED group (12.8% vs. 10.5%, P < .0001), and the valproate only subgroup (19.6% vs. 10.5%, P < .0001). The combined outcome was significantly correlated with the length of hospital stay during delivery in both the total AED group (Rho = 0.24, P < .0001) and the valproate only subgroup (Rho = 0.16, P = .01). The mean score for the combined outcome in the total AED group was significantly higher (2.04 ± 0.02 vs. 1.88 ± 0.01, P < .0001) than AED unexposed group, whereas the valproate only subgroup was not. Conclusions Latent trait modeling can be an effective tool for combining adverse pregnancy and perinatal outcomes to assess prenatal exposure to AED, but evaluation of the selected components is essential to ensure the validity of the combined outcome. Electronic supplementary material The online version of this article (doi:10.1186/s12884-016-1190-7) contains supplementary material, which is available to authorized users.
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Affiliation(s)
- Xuerong Wen
- Health Outcomes, College of Pharmacy, University of Rhode Island, 7 Greenhouse Rd., Kingston, RI, 02881, USA.
| | - Abraham Hartzema
- Department of Pharmaceutical Outcome and Policy, University of Florida, Gainesville, FL, USA
| | - Joseph A Delaney
- Department of Epidemiology, University of Washington, Seattle, WA, USA
| | - Babette Brumback
- Department of Biostatistics, University of Florida, Gainesville, FL, USA
| | - Xuefeng Liu
- Department of Biostatistics & Epidemiology, Systems, Population and Leadership, University of Michigan, Ann Arbor, MI, 48109, USA
| | - Robert Egerman
- Department of Obstetrics & Gynecology, University of Florida, Gainesville, FL, USA
| | - Jeffrey Roth
- Department of Pediatrics, University of Florida, Gainesville, FL, USA
| | - Rich Segal
- Department of Pharmaceutical Outcome and Policy, University of Florida, Gainesville, FL, USA
| | - Kimford J Meador
- Department of Neurology & Neurological Sciences, Stanford University, Stanford, CA, USA
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Akinyemiju TF, Tehranifar P, Flom JD, Liao Y, Wei Y, Terry MB. Early life growth, socioeconomic status, and mammographic breast density in an urban US birth cohort. Ann Epidemiol 2016; 26:540-545.e2. [PMID: 27497679 DOI: 10.1016/j.annepidem.2016.06.011] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/16/2015] [Revised: 05/24/2016] [Accepted: 06/25/2016] [Indexed: 11/19/2022]
Abstract
PURPOSE Rapid infant and childhood growth has been associated with chronic disease later in life, including breast cancer. Early life socioeconomic status (SES) influences childhood growth, but few studies have prospective measures from birth to consider the effects of early life growth and SES on breast cancer risk. METHODS We used prospectively measured early life SES and growth (percentile weight change in height and weight between each pair of consecutive time points at birth, 4 months, 1 and 7 years). We performed linear regression models to obtain standardized estimates of the association between 1 standard deviation increase in early life SES and growth and adult mammographic density (MD), a strong risk factor for breast cancer, in a diverse birth cohort (n = 151; 37% white, 38% black, 25% Puerto Rican; average age at mammogram = 42.4). RESULTS In models adjusted for race/ethnicity, prenatal factors, birthweight, infant and childhood growth, and adult body mass index, percentile weight change from 1 year to 7 years was inversely associated with percent MD (standardized coefficient (Stdβ) = -0.28, 95% CI: -0.55 to -0.01), and higher early life SES was positively associated with percent MD (Stdβ = 0.24, 95% CI: 0.04-0.43). Similar associations were observed for dense area, but those estimates were not statistically significant. CONCLUSIONS These results suggest opposite and independent effects of early life SES and growth on MD.
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Affiliation(s)
- Tomi F Akinyemiju
- Department of Epidemiology, Columbia University Mailman School of Public Health, New York, NY; Department of Epidemiology, Ryals School of Public Health, University of Alabama at Birmingham, Birmingham
| | - Parisa Tehranifar
- Department of Epidemiology, Columbia University Mailman School of Public Health, New York, NY; Herbert Irving Comprehensive Cancer Center, Columbia University Medical Center, New York, NY
| | - Julie D Flom
- Department of Epidemiology, Columbia University Mailman School of Public Health, New York, NY
| | - Yuyan Liao
- Department of Epidemiology, Columbia University Mailman School of Public Health, New York, NY
| | - Ying Wei
- Department of Biostatistics, Columbia University Mailman School of Public Health, New York, NY
| | - Mary Beth Terry
- Department of Epidemiology, Columbia University Mailman School of Public Health, New York, NY; Herbert Irving Comprehensive Cancer Center, Columbia University Medical Center, New York, NY.
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Spittle A, Orton J, Anderson PJ, Boyd R, Doyle LW. Early developmental intervention programmes provided post hospital discharge to prevent motor and cognitive impairment in preterm infants. Cochrane Database Syst Rev 2015; 2015:CD005495. [PMID: 26597166 PMCID: PMC8612699 DOI: 10.1002/14651858.cd005495.pub4] [Citation(s) in RCA: 232] [Impact Index Per Article: 25.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Abstract
BACKGROUND Infants born preterm are at increased risk of developing cognitive and motor impairment compared with infants born at term. Early developmental interventions have been provided in the clinical setting with the aim of improving overall functional outcomes for these infants. Long-term benefits of these programmes remain unclear. OBJECTIVES Primary objective To compare the effectiveness of early developmental intervention programmes provided post hospital discharge to prevent motor or cognitive impairment in preterm (< 37 weeks) infants versus standard medical follow-up of preterm infants at infancy (zero to < three years), preschool age (three to < five years), school age (five to < 18 years) and adulthood (≥ 18 years). Secondary objectives To perform subgroup analyses to determine the following.• Effects of gestational age, birth weight and brain injury (periventricular leukomalacia (PVL)/intraventricular haemorrhage (IVH)) on cognitive and motor outcomes when early intervention is compared with standard follow-up. ∘ Gestational age: < 28 weeks, 28 to < 32 weeks, 32 to < 37 weeks. ∘ Birth weight: < 1000 grams, 1000 to < 1500 grams, 1500 to < 2500 grams. ∘ Brain injury: absence or presence of grade III or grade IV IVH or cystic PVL (or both) or an abnormal ultrasound/magnetic resonance image (MRI) before initiation of the intervention.• Effects of interventions started during inpatient stay with a post-discharge component versus standard follow-up care.• Effects of interventions focused on the parent-infant relationship, infant development or both compared with standard follow-up care.To perform sensitivity analysis to identify the following.• Effects on motor and cognitive impairment when early developmental interventions are provided within high-quality randomised trials with low risk of bias for sequence generation, allocation concealment, blinding of outcome measures and selective reporting bias. SEARCH METHODS The search strategy of the Cochrane Neonatal Review Group was used to identify randomised and quasi-randomised controlled trials of early developmental interventions provided post hospital discharge. Two review authors independently searched the Cochrane Central Register of Controlled Trials (CENTRAL), MEDLINE Advanced, the Cumulative Index to Nursing and Allied Health Literature (CINAHL), PsycINFO and EMBASE (1966 to August 2015). SELECTION CRITERIA Studies included had to be randomised or quasi-randomised controlled trials of early developmental intervention programmes that began within the first 12 months of life for infants born before 37 weeks' gestational age. Interventions could commence on an inpatient basis but had to include a post-discharge component for inclusion in this review. Outcome measures were not prespecified, other than that they had to assess cognitive outcomes, motor outcomes or both. Rates of cerebral palsy were documented. DATA COLLECTION AND ANALYSIS Two independent review authors extracted and entered data. Cognitive and motor outcomes were pooled by four age groups: infancy (zero to < three years), preschool age (three to < five years), school age (five to < 18 years) and adulthood (≥ 18 years). Meta-analysis using RevMan 5.1 was carried out to determine the effects of early developmental interventions at each age range. Subgroup analyses focused on gestational age, birth weight, brain injury, commencement of the intervention, focus of the intervention and study quality. MAIN RESULTS Twenty-five studies met the inclusion criteria (3615 randomly assigned participants). Only 12 of these studies were randomised controlled trials with appropriate allocation concealment. Variability was evident with regard to focus and intensity of the intervention, participant characteristics and length of follow-up. Meta-analysis led to the conclusion that intervention improved cognitive outcomes at infancy (developmental quotient (DQ): standardised mean difference (SMD) 0.32 standard deviations (SDs), 95% confidence interval (CI) 0.16 to 0.47; P value < 0.001; 16 studies; 2372 participants) and at preschool age (intelligence quotient (IQ); SMD 0.43 SDs, 95% CI 0.32 to 0.54; P value < 0.001; eight studies; 1436 participants). However, this effect was not sustained at school age (IQ: SMD 0.18 SDs, 95% CI -0.08 to 0.43; P value = 0.17; five studies; 1372 participants). Heterogeneity between studies for cognitive outcomes at infancy and at school age was significant. With regards to motor outcomes, meta-analysis of 12 studies showed a significant effect in favour of early developmental interventions at infancy only; however, this effect was small (motor scale DQ: SMD 0.10 SDs, 95% CI 0.01 to 0.19; P value = 0.03; 12 studies; 1895 participants). No effect was noted on the rate of cerebral palsy among survivors (risk ratio (RR) 0.82, 95% CI 0.52 to 1.27; seven studies; 985 participants). Little evidence showed a positive effect on motor outcomes in the long term, but only five included studies reported outcomes at preschool age (n = 3) or at school age (n = 2). AUTHORS' CONCLUSIONS Early intervention programmes for preterm infants have a positive influence on cognitive and motor outcomes during infancy, with cognitive benefits persisting into preschool age. A great deal of heterogeneity between studies was due to the variety of early developmental intervention programmes tested and to gestational ages of included preterm infants; thus, comparisons of intervention programmes were limited. Further research is needed to determine which early developmental interventions are most effective in improving cognitive and motor outcomes, and to discern the longer-term effects of these programmes.
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Affiliation(s)
- Alicia Spittle
- Murdoch Childrens Research Institute and the University of MelbourneVIBeS Office, 5th FloorFlemington RoadParkvilleMelbourneAustralia3052
| | - Jane Orton
- Royal Women's Hospital2nd Floor, Flemington RoadParkvilleMelbourneAustralia3052
| | - Peter J Anderson
- Murdoch Childrens Research Institute, Royal Children’s HospitalDepartment of Clinical SciencesFlemington RoadMelbourneVictoriaAustralia3052
| | - Roslyn Boyd
- University of QueenslandBrisbaneQueenslandAustralia
| | - Lex W Doyle
- The University of MelbourneDepartment of Obstetrics and GynaecologyParkvilleVictoriaAustralia3052
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le Roux IM, Rotheram-Borus MJ, Stein J, Tomlinson M. The impact of paraprofessional home visitors on infants' growth and health at 18 months. VULNERABLE CHILDREN AND YOUTH STUDIES 2014; 9:291-304. [PMID: 25342956 PMCID: PMC4203669 DOI: 10.1080/17450128.2014.940413] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/04/2023]
Abstract
Paraprofessional home visitors trained to improve multiple outcomes (HIV, alcohol, infant health, and malnutrition) have been shown to benefit mothers and children over 18 months in a cluster randomised controlled trial (RCT). These longitudinal analyses examine the mechanisms which influence child outcomes at 18 months post-birth in Cape Town, South Africa. The results were evaluated using structural equation modelling, specifically examining the mediating effects of prior maternal behaviours and a home visiting intervention post-birth. Twelve matched pairs of neighbourhoods were randomised within pairs to: 1) the control condition, receiving comprehensive healthcare at community primary health care clinics (n=12 neighbourhoods; n=594 pregnant women), or 2) the Philani Intervention Program, which provided home visits by trained, paraprofessional community health workers, here called Mentor Mothers, in addition to clinic care (n=12 neighbourhoods; n=644 pregnant women). Recruitment of all pregnant neighbourhood women was high (98%) with 88% reassessed at six months and 84% at 18 months. Infants' growth and diarrhoea episodes were examined at 18 months in response to the intervention condition, breastfeeding, alcohol use, social support, and low birth weight, controlling for HIV status and previous history of risk. We found that randomisation to the intervention was associated with a significantly lower number of recent diarrhoea episodes and increased rates and duration of breastfeeding. Across both the intervention and control conditions, mothers who used alcohol during pregnancy and had low birth weight infants were significantly less likely to have infants with normal growth patterns, whereas social support was associated with better growth. HIV-infection was significantly associated with poor growth and less breastfeeding. Women with more risk factors had significantly smaller social support networks. The relationships among initial and sustained maternal risk behaviours and the buffering impact of home visits and social support are demonstrated in these analyses.
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Affiliation(s)
- Ingrid M le Roux
- Philani Maternal, Child Health and Nutrition Project, Cape Town, South Africa
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Rane S, Shankaran S, Natarajan G. Parental perception of functional status following tracheostomy in infancy: a single center study. J Pediatr 2013; 163:860-6. [PMID: 23660377 DOI: 10.1016/j.jpeds.2013.03.075] [Citation(s) in RCA: 10] [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: 10/26/2012] [Revised: 02/06/2013] [Accepted: 03/27/2013] [Indexed: 11/17/2022]
Abstract
OBJECTIVE To examine the functional outcomes of children who underwent a tracheostomy in the initial hospitalization after birth and to determine their correlates. STUDY DESIGN We administered the validated 43-item Functional Status-II (FS-II) questionnaire by Stein and Jessop over the telephone to caregivers of surviving children. The FS-II items generated a total score, age-specific: (1) total; (2) general health (GH); and (3) responsiveness, activity, or interpersonal functioning (IPF) scores in specific age group categories. RESULTS FS-II was administered to 51/62 (82.2%) survivors at a median (range) age of 5 (1-10) years; 27% children were on the ventilator and 43% required devices. About 40% of children had a median of 1 (1-4) hospitalization in the previous 6 months. Scores were >2 SD below means in 55%, 24%, and 55% cases for age-specific T, GH, and R/A/IPF scores respectively. The T and R/A/IPF scales were significantly higher in those with private, rather than public, maternal insurance, as were T and R/A/IPF scores for children ≥ 4 years, compared with younger children. On regression analysis, FS-II T, GH, and R/A/IPF scores were independently associated with maternal private insurance (P = .02). R/A/IPF scores were also significantly associated with corrected age at FS-II administration. CONCLUSIONS One-third of surviving children who underwent tracheostomy during their initial hospitalization remained technology-dependent. The parental FS-II questionnaires revealed low R/A/IPF scores, especially at younger ages and in those with maternal public insurance. Further research on family-level interventions to improve functional outcomes in this population is warranted.
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Affiliation(s)
- Sharayu Rane
- Division of Neonatal-Perinatal Medicine, Department of Pediatrics, Children's Hospital of Michigan, Wayne State University, Detroit, MI 48201, USA
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Spittle A, Orton J, Anderson P, Boyd R, Doyle LW. Early developmental intervention programmes post-hospital discharge to prevent motor and cognitive impairments in preterm infants. Cochrane Database Syst Rev 2012; 12:CD005495. [PMID: 23235624 DOI: 10.1002/14651858.cd005495.pub3] [Citation(s) in RCA: 84] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
Abstract
BACKGROUND Infants born preterm are at increased risk of developing cognitive and motor impairments compared with infants born at term. Early developmental interventions have been used in the clinical setting with the aim of improving the overall functional outcome for these infants. However, the long-term benefit of these programmes remains unclear. OBJECTIVES To review the effectiveness of early developmental intervention post-discharge from hospital for preterm (< 37 weeks) infants on motor or cognitive development. SEARCH METHODS The Cochrane Neonatal Review group search strategy was used to identify randomised and quasi-randomised controlled trials of early developmental interventions post hospital discharge. Two review authors independently searched the Cochrane Central Register of Controlled Trials (CENTRAL, The Cochrane Library), MEDLINE Advanced, CINAHL, PsycINFO and EMBASE (1966 through to October 2012). SELECTION CRITERIA Studies included had to be randomised or quasi-randomised controlled trials of early developmental intervention programmes that began within the first 12 months of life for infants born at < 37 weeks with no major congenital abnormalities. Intervention could commence as an inpatient; however, a post-discharge component was necessary to be included in this review. The outcome measures were not pre-specified other than that they had to assess cognitive ability, motor ability or both. The rates of cerebral palsy were also documented. DATA COLLECTION AND ANALYSIS Data were extracted and entered by two independent review authors. Cognitive and motor outcomes were pooled in four age groups - infancy (zero to < three years), pre-school age (three to < five years), school age (five to 17 years) and adulthood (≥ 18 years). Meta-analysis was carried out using RevMan 5.1 to determine the effects of early developmental intervention at each age range. Subgroup analysis was carried out in relation to gestational age, birthweight, brain injury, commencement of intervention and focus of intervention. MAIN RESULTS Twenty-one studies met the inclusion criteria (3133 randomised patients). Only 10 of these studies were RCTs with appropriate allocation concealment. There was variability with regard to the focus and intensity of the intervention, subject characteristics and in length of follow-up. Meta-analysis concluded that intervention improved cognitive outcomes at infant age (developmental quotient (DQ): standardised mean difference (SMD) 0.31 standard deviations (SD); 95% confidence interval (CI) 0.13 to 0.50; P < 0.001; 13 studies; 2147 patients), and pre-school age (intelligence quotient (IQ); SMD 0.45 SD; 95% CI 0.34 to 0.57; P < 0.001; six studies; 1276 patients). However, this effect was not sustained at school age (IQ: SMD 0.25 SD; 95% CI -0.10 to 0.61; P = 0.16; five studies; 1242 patients). There was significant heterogeneity between studies for cognitive outcomes at infant and school ages. In regards to motor outcomes, meta-analysis of 10 studies showed a significant effect in favour of early developmental interventions; however, the effect was small (motor scale developmental quotient (DQ): SMD 0.10 SD; 95% CI 0.00 to 0.19; P = 0.04; 10 studies; 1745 patients). There was no effect on the rate of cerebral palsy in survivors; risk ratio (RR) 0.89; 95% CI 0.55 to 1.44; five studies; 737 patients). There was little evidence for a positive effect on motor outcomes in the long term, with only five of the included studies reporting outcomes at pre-school or school age. AUTHORS' CONCLUSIONS Early intervention programmes for preterm infants have a positive influence on cognitive and motor outcomes during infancy, with the cognitive benefits persisting into pre-school age. There is a great deal of heterogeneity between studies due to the variety of early developmental intervention programmes trialled and gestational ages of the preterm infants included, which limits the comparisons of intervention programmes. Further research is needed to determine which early developmental interventions are the most effective at improving cognitive and motor outcomes, and on the longer-term effects of these programmes.
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Affiliation(s)
- Alicia Spittle
- Murdoch Childrens Research Institute and the University of Melbourne, Parkville, Australia.
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Morgan PL, Farkas G, Hillemeier MM, Maczuga S. Are Minority Children Disproportionately Represented in Early Intervention and Early Childhood Special Education? EDUCATIONAL RESEARCHER (WASHINGTON, D.C. : 1972) 2012; 41:339-351. [PMID: 24683265 PMCID: PMC3966630 DOI: 10.3102/0013189x12459678] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/15/2023]
Abstract
We investigated whether and to what extent children who are racial/ethnic minorities are disproportionately represented in early intervention and/or early childhood special education (EC/ECSE). We did so by analyzing a large sample of 48-month-olds (N=7,950) participating in the Early Childhood Longitudinal Study-Birth Cohort (ECLS-B), a nationally representative dataset of children born in the U.S. in 2001. Multivariate logistic regression analyses indicate that boys (OR=1.66), children born at very low birthweight (OR=3.98) or with congenital anomalies (OR=2.17), and children engaging in externalizing problem behaviors (OR=1.10) are more likely to be represented in EI/ECSE. Children from low SES households (OR=.48), those displaying greater numeracy or receptive language knowledge (ORs=.96 and .76, respectively), and children being raised in households where a language other than English is primarily spoken (OR=.39) are less likely to be represented in EI/ECSE. Statistical control for these and an extensive set of additional factors related to cognitive and behavioral functioning indicated that 48-month-old children who are Black (OR=.24) or Asian (OR=.32) are disproportionately under-represented in EI/ECSE in the U.S.
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Affiliation(s)
- Paul L Morgan
- Population Research Institute, The Pennsylvania State University, University Park, PA
| | | | - Marianne M Hillemeier
- Population Research Institute, The Pennsylvania State University, University Park, PA
| | - Steve Maczuga
- Population Research Institute, The Pennsylvania State University, University Park, PA
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Wickremasinghe AC, Hartman TK, Voigt RG, Katusic SK, Weaver AL, Colby CE, Barbaresi WJ. Evaluation of the ability of neurobiological, neurodevelopmental and socio-economic variables to predict cognitive outcome in premature infants. Child Care Health Dev 2012; 38:683-9. [PMID: 21732960 DOI: 10.1111/j.1365-2214.2011.01281.x] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/25/2022]
Abstract
BACKGROUND When developed in the 1990s, the Neurobiologic Risk Score (NBRS) and Neurodevelopmental Risk Exam (NRE) correlated well with developmental outcomes in premature infants. Given recent advances in neonatology, we assessed their present ability to predict cognitive outcome, alone and combined with socio-economic factors. METHODS One hundred and twenty-nine neonates <32 weeks gestational age were assessed at 6, 12 and/or 24 months corrected age with the Cognitive Adaptive Test/Clinical Linguistic and Auditory Milestone Scale (CAT/CLAMS). Indices of socio-economic status included maternal education and marital status. RESULTS At 24 months corrected age (n= 67), the NBRS (r=-0.5), maternal education (r= 0.46) and marital status (r= 0.37) correlated with the CAT/CLAMS. These correlations increased when NBRS and maternal education were combined (r= 0.63) and when specific NBRS components (intraventricular haemorrhage, periventricular leukomalacia, seizures) and maternal education were combined (r= 0.66). CONCLUSIONS In the contemporary neonatal intensive care unit, measures used to predict cognitive outcome should incorporate both neurobiological risk factors and socio-economic variables.
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Affiliation(s)
- A C Wickremasinghe
- Department of Pediatric and Adolescent Medicine, Mayo Clinic, Rochester, MN, USA.
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Braid S, Donohue PK, Strobino DM. The impact of wealth on the cognitive development of children who were preterm infants. Adv Neonatal Care 2012; 12:225-31. [PMID: 22864003 DOI: 10.1097/anc.0b013e3182624636] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
Abstract
PURPOSE : The purpose of this study was to explore the influence wealth has on cognitive development in 2-year-old children who were born preterm, and to determine whether racial/ethnic differences in wealth explained disparities in cognitive development. SUBJECTS : A nationally representative sample of 1400 children who were born between 22 and 36 weeks' gestation. DESIGN : Cohort study. METHODS : Secondary data analysis of the Early Childhood Longitudinal Survey-Birth Cohort (ECLS-B). The ECLS-B was a prospective national longitudinal study of infants born in the United States during the calendar year 2001 drawn from birth certificates in the United States. MAIN OUTCOMES : The impact wealth (parental homeownership and investments) had on cognitive development at 2 years and whether wealth eliminated the cognitive disparity seen between white, African American, and Hispanic children. PRINCIPAL RESULTS : Wealth (homeownership and investments) did not have an independent effect on cognitive development, but it did eliminate the disparity between white children and African American children (P ≥ .05). However, wealth did not eliminate the disparity in cognitive development between white children and Hispanic children. Hispanic children scored 3.91 points lower than white children (P ≤ .001). CONCLUSION : In contrast to other follow-up studies showing persistent differences in cognitive development between white children and African American children, this study found that wealth indicators attenuated the difference. Wealth may be a more accurate proxy for socioeconomic status in studying factors influencing cognitive outcomes in children born preterm than just using measures such as maternal education and income. In future follow-up studies of multiracial preterm children, indicators that represent wealth should be included for an accurate representation of social economic status.
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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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Javier FRF, Antonia GC, Julio PL. Efficacy of Early Physiotherapy Intervention in Preterm Infant Motor Development— A Systematic Review—. J Phys Ther Sci 2012. [DOI: 10.1589/jpts.24.933] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022] Open
Affiliation(s)
| | | | - Pérez López Julio
- Department of Developmental and Educational Psychology, University of Murcia
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Wu YT, Lin UC, Yu YT, Hsieh WS, Hsu CH, Hsu HC, Wang LY, Jeng SF. Reliability of the assessment of mother-infant sensitivity-chinese version for preterm and term taiwanese mother-infant dyads. Physiother Can 2011; 62:397-403. [PMID: 21886381 DOI: 10.3138/physio.62.4.397] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
Abstract
PURPOSE The objectives of this study were to translate and modify the Assessment of Mother-Infant Sensitivity scale into a Chinese version (modified AMIS-C) and to examine its reliability with preterm and term Taiwanese mother-infant dyads. METHOD A total of 241 mother-infant pairs (179 preterm dyads and 62 term dyads) were prospectively recorded and their behaviour in feeding assessed using the modified AMIS-C when infants were at 4 and 6 months corrected age. A subset of the sample was used for interrater reliability testing, and the whole sample was used for assessment of internal consistency. RESULTS Interrater reliability was high for the modified AMIS-C section and total scores (intra-class correlation coefficients=0.91-0.99). Internal consistency was good to excellent for the maternal section and total score (α=0.71-0.86) and was fair to good for the infant and dyadic section score (α=0.44-0.75). CONCLUSIONS The modified AMIS-C scale is a clinically feasible and reliable instrument for assessing mother-infant interaction of preterm and term dyads during early infancy.
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Affiliation(s)
- Yen-Tzu Wu
- Yen-Tzu Wu, MS, PT : School and Graduate Institute of Physical Therapy, National Taiwan University College of Medicine, Taipei, Taiwan
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Lundqvist-Persson C, Lau G, Nordin P, Strandvik B, Sabel KG. Early behaviour and development in breast-fed premature infants are influenced by omega-6 and omega-3 fatty acid status. Early Hum Dev 2010; 86:407-12. [PMID: 20646880 DOI: 10.1016/j.earlhumdev.2010.05.017] [Citation(s) in RCA: 26] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/13/2009] [Revised: 05/12/2010] [Accepted: 05/14/2010] [Indexed: 11/19/2022]
Abstract
BACKGROUND The requirement of essential fatty acids (EFA) for the development of the brain is well documented. OBJECTIVE To investigate the early neurological development at term and 44 weeks gestational age in preterm infants in relation to EFA concentrations in breast milk and in infants' and mothers' plasma phospholipids. METHOD Fifty-one premature infants and their mothers were consecutively included in the study. The median gestational age was 34 weeks (range 24-36). The motor quality, motor and behavioural development were assessed by General Movements (GMs), the Brazelton Neonatal Behavioral Assessment Scale (BNBAS) and a Self Regulation Scale. RESULTS Mother's education and gestational age correlated to several outcome variables. Multiple regression with correction for background factors showed negative associations between early breast milk concentrations of Mead acid and GMs and between AA and the BNBAS clusters Orientation and Range of States, respectively. Between 40 and 44 weeks gestational age, no expected increased scores were observed for Regulation of States, Range of States and Self Regulation. During the corresponding time, increased concentration of linoleic acid in mothers' plasma was negatively associated with improvement in Orientation and increased concentration of EPA in the infants' plasma was positively associated with improvement in Autonomic Stability. CONCLUSIONS The major omega-6 fatty acids and Mead acid were negatively associated with early development and omega-3 fatty acids positively associated. Mother's education and the gestational age influenced the outcome more strongly than mother's and infant's morbidities. Further follow-up will elucidate the significance of these early findings.
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MESH Headings
- Breast Feeding
- Child Development
- Fatty Acids, Essential/blood
- Fatty Acids, Essential/metabolism
- Fatty Acids, Omega-3/blood
- Fatty Acids, Omega-3/metabolism
- Fatty Acids, Omega-6/blood
- Fatty Acids, Omega-6/metabolism
- Female
- Gestational Age
- Humans
- Infant, Newborn
- Infant, Premature/blood
- Infant, Premature/growth & development
- Infant, Premature/metabolism
- Male
- Milk, Human/metabolism
- Phospholipids/blood
- Sex Factors
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Risk factors for neonatal transfers from the Sapopemba free-standing birth centre to a hospital in São Paulo, Brazil. Midwifery 2009; 26:e37-43. [PMID: 19327877 DOI: 10.1016/j.midw.2009.02.004] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/07/2007] [Revised: 01/13/2009] [Accepted: 02/14/2009] [Indexed: 11/22/2022]
Abstract
OBJECTIVE to identify risk factors associated with neonatal transfers from a free-standing birth centre to a hospital. DESIGN epidemiological case-control study. SETTING midwifery-led free-standing birth centre in São Paulo, Brazil. PARTICIPANTS 96 newborns were selected from 2840 births between September 1998 and August 2005. Cases were defined as all newborns transferred from the birth centre to a hospital (n=32), and controls were defined as newborns delivered at the same birth centre, during the same time period, and who had not been transferred to a hospital (n=64). MEASUREMENTS AND FINDINGS data were collected from medical records available at the birth centre. Univariate and multivariate analyses were performed using logistic regression. The multivariate analysis included outcomes with p<0.25, specifically: smoking during pregnancy, prenatal care appointments, labour complications, weight in relation to gestational age, and one-minute Apgar score. Of the foregoing outcomes, those that remained in the full regression model as a risk factor associated with neonatal transfer were: smoking during pregnancy [p=0.009, odds ratio (OR)=4.1, 95% confidence interval (CI) 1.03-16.33], labour complications (p<0.001, OR=5.5, 95% CI 1.06-28.26) and one-minute Apgar score ≤ 7 (p<0.001, OR=7.8, 95% CI 1.62-37.03). KEY CONCLUSIONS AND IMPLICATIONS FOR PRACTICE smoking during pregnancy, labour complications and one-minute Apgar score ≤ 7 were confirmed as risk factors for neonatal transfer from the birth centre to a hospital. The identified risk factors can help to improve institutional protocols and formulate hypotheses for other studies.
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Koldewijn K, Wolf MJ, van Wassenaer A, Meijssen D, van Sonderen L, van Baar A, Beelen A, Nollet F, Kok J. The Infant Behavioral Assessment and Intervention Program for very low birth weight infants at 6 months corrected age. J Pediatr 2009; 154:33-38.e2. [PMID: 18783797 DOI: 10.1016/j.jpeds.2008.07.039] [Citation(s) in RCA: 68] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/09/2008] [Revised: 06/13/2008] [Accepted: 07/17/2008] [Indexed: 11/26/2022]
Abstract
OBJECTIVE To determine whether the Infant Behavioral Assessment and Intervention Program (IBAIP), designed to support and enhance infants' self-regulatory competence, improved developmental and neurobehavioral outcomes in very low birth weight (VLBW) infants. STUDY DESIGN We randomized 86 infants to 1 intervention before discharge and to 6 to 8 home interventions until 6 months corrected age, and 90 control infants received standard care. Developmental and behavioral outcomes were evaluated at 6 months corrected age with the Bayley Scales of Infant Development-II (BSID-II). Neurobehavioral functioning was evaluated with the Infant Behavioral Assessment (IBA) at baseline and at 6 months corrected age. RESULTS Despite randomization, some differences in neonatal characteristics were found between the intervention and control infants. After adjustment, intervention effects of 7.2 points (+/- standard error 3.1) on the Mental Developmental Index and 6.4 +/- 2.4 points on the Psychomotor Developmental Index favored the intervention infants. The Behavioral Rating Scale of the BSID-II (P = .000) and the IBA (more approach [P = .003] and less stress [P = .001] over time) also favored the intervention infants. CONCLUSIONS The IBAIP improved the mental, motor, and behavioral outcomes of VLBW infants at 6 months corrected age.
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Affiliation(s)
- Karen Koldewijn
- Department of Rehabilitation, Academic Medical Center, University of Amsterdam, Amsterdam, The Netherlands.
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20
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Liu X, Roth J. Development and validation of an infant morbidity index using latent variable models. Stat Med 2008; 27:971-89. [PMID: 17573677 DOI: 10.1002/sim.2951] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Abstract
Birth defect, abnormal condition of the newborn, developmental delay or disability and low birth weight are four major infant morbidity outcomes. Most studies have focused on assessment of the effects of risk factors on each of these outcomes or of the relationship among these outcomes or both. Little attention has been paid to the development of a composite index, which is a summary construct of infant morbidity outcomes. In this paper, we develop extended latent variable (LV) models and modified Gauss-Newton algorithms for multiple multinomial morbidity outcomes with complete responses. By assuming the marginal distribution of the LV to be log-normal, we model the conditional probability of each outcome as a nonlinear function of the LV, which has properties similar to the logistic function. The estimated generalized nonlinear least-square method is used to solve equations for parameters of interest. The models are applied to an infant morbidity data set. A new single variable, called infant morbidity index (IMI) that functions as a summary of four infant morbidity outcomes and represents propensity for infant morbidity, is developed. The validity of this index is then assessed in detail. It is shown that the IMI is correlated with each of the individual outcomes, with infant mortality and with a face-valid index of morbidity outcomes, and can be used in future research as a measure of propensity for infant morbidity.
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Affiliation(s)
- Xuefeng Liu
- Translational Research and Clinical Epidemiology, Department of Internal Medicine at the Wayne State University, 540 E. Canfield, Detroit, MI 48201, U.S.A.
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Spittle AJ, Orton J, Doyle LW, Boyd R. Cochrane review: Early developmental intervention programs post hospital discharge to prevent motor and cognitive impairments in preterm infants. ACTA ACUST UNITED AC 2008. [DOI: 10.1002/ebch.209] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
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Hogan DP, Shandra CL, Msall ME. Family developmental risk factors among adolescents with disabilities and children of parents with disabilities. J Adolesc 2007; 30:1001-19. [PMID: 17445879 PMCID: PMC4196671 DOI: 10.1016/j.adolescence.2007.02.004] [Citation(s) in RCA: 13] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/11/2006] [Revised: 02/05/2007] [Accepted: 02/10/2007] [Indexed: 11/29/2022]
Abstract
This paper investigates how the learning environments and family dynamics differ if households have a child with a disability or a parent with a disability. Using data from the National Longitudinal Survey of Youth 1997, results indicate that children with disabilities experience similar learning environments as other children, but have somewhat weaker relationships with their parents. In two-parent families, maternal disability lowers parents' school involvement and is associated with a less enriching home environment. Paternal disability reduces maternal monitoring and positive family activities possibly because mothers divert care-giving resources from their children to their male partners. Children in mother-headed households experience learning environments and family dynamics that are similar regardless of their own disability status or that of their mothers, but these outcomes are markedly inferior to those of children growing up in two-parent households. Future research on adolescent development should consider the disability status of children and parents, with particular attention to patterns of gendered care-giving in American families.
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Affiliation(s)
- Dennis P Hogan
- Population Studies and Training Center, Brown University, 68 Waterman Street, Providence RI 02912, USA.
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Spittle AJ, Orton J, Doyle LW, Boyd R. Early developmental intervention programs post hospital discharge to prevent motor and cognitive impairments in preterm infants. Cochrane Database Syst Rev 2007:CD005495. [PMID: 17443595 DOI: 10.1002/14651858.cd005495.pub2] [Citation(s) in RCA: 91] [Impact Index Per Article: 5.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Abstract
BACKGROUND Infants born preterm are at increased risk of developing cognitive and motor impairments compared with infants born at term. Early developmental interventions have been used in the clinical setting with the aim of improving the overall functional outcome for these infants. However, the benefit of these programs remains unclear. OBJECTIVES To review the effectiveness of early developmental intervention post-discharge from hospital for preterm (< 37 weeks) infants on motor or cognitive development. SEARCH STRATEGY The Cochrane Neonatal Review group search strategy was used to identify randomised and quasi-randomised controlled trials of early developmental interventions post hospital discharge. Two review authors independently searched the Cochrane Central Register of Controlled Trials (CENTRAL, The Cochrane Library), MEDLINE Advanced, CINAHL, PsychINFO and EMBASE (1966 through February 2006). SELECTION CRITERIA Studies included had to be randomised or quasi-randomised controlled trials of early developmental intervention programs that commenced within the first 12 months of life for infants born at < 37 weeks with no major congenital abnormalities. Intervention could commence as an inpatient; however, a post discharge component was necessary to be included in this review. The outcome measures were not pre-specified other than that they had to assess cognitive and/or motor ability. The rates of intellectual impairment, cerebral palsy and development co-ordination disorder were also documented. DATA COLLECTION AND ANALYSIS Data were extracted and entered by two independent review authors. Cognitive and motor outcomes were pooled in three age groups - infant (0 to 2 years), preschool (3 to < 5 years) or school age (5 to 17 years). Meta-analysis was carried out using RevMan 4.2 to determine the effects of early developmental intervention in the short (0 to 2 years), medium (3 to < 5 years) and long term (5 to 17 years). Subgroup analysis was carried out in relation to; gestational age, birthweight, brain injury, commencement of intervention, focus of intervention and study quality. MAIN RESULTS Sixteen studies met the inclusion criteria (2379 randomised patients). Six of these studies were RCTs and had strong methodological quality. There was variability with regard to the focus and intensity of the intervention, and in length of follow-up. Meta-analysis concluded that intervention improved cognitive outcomes at infant age (developmental quotient [DQ]: standard mean difference [SMD] 0.46 SD; 95% CI 0.36 0.57; P < 0.0001), and at preschool age (intelligence quotient [IQ]; SMD 0.46 SD; 95%CI 0.33, 0.59; P < 0.0001). However, this effect was not sustained at school age (IQ; SMD 0.02 SD; 95% CI -0.10, 0.14; P = 0.71). There was significant heterogeneity between studies for cognitive outcomes at infant and school ages. There was little evidence of an effect of early intervention on motor outcomes in the short, medium or long-term, but there were only two studies reporting outcomes beyond 2 years. AUTHORS' CONCLUSIONS Early intervention programs for preterm infants have a positive influence on cognitive outcomes in the short to medium term. However, there was significant heterogeneity between the interventions included in this review. Further research is needed to determine which early developmental interventions are the most effective at improving cognitive and motor outcomes, and on the longer-term effects of these programs. Cost-effectiveness and access to services should also be evaluated since they are important factors when considering implementation of an early developmental intervention program for a preterm infant.
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Affiliation(s)
- A J Spittle
- Murdoch Children's Research Institute, c/o Royal Children's Hospital, 2nd Floor, Flemington Road, Parkville, Melbourne, Australia, 3052.
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Hogan DP, Park JM, Goldscheider FK. THE HEALTH CONSEQUENCES OF A DISABLED SIBLING FOR SCHOOL-AGE CHILDREN. RESEARCH IN SOCIAL SCIENCE AND DISABILITY 2005. [DOI: 10.1016/s1479-3547(03)03010-0] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
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Affiliation(s)
- Tiffany Field
- Touch Research Institutes; University of Miami School of Medicine
- Johnson and Johnson Pediatric Institute
| | - Maria Hernandez-Reif
- Touch Research Institutes; University of Miami School of Medicine
- Johnson and Johnson Pediatric Institute
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Leal MDC, Gama SGND, Campos MR, Cavalini LT, Garbayo LS, Brasil CLP, Szwarcwald CL. Fatores associados à morbi-mortalidade perinatal em uma amostra de maternidades públicas e privadas do Município do Rio de Janeiro, 1999-2001. CAD SAUDE PUBLICA 2004; 20 Suppl 1:S20-33. [PMID: 16636732 DOI: 10.1590/s0102-311x2004000700003] [Citation(s) in RCA: 60] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022] Open
Abstract
Este estudo compara os fatores sócio-demográficos, características biológicas das mães e a qualidade da assistência prestada em maternidades do Município do Rio de Janeiro. Participaram da amostra 10.072 gestantes que se hospitalizaram para o parto em 47 instituições selecionadas, no período 1999-2001. Dados foram coletados de entrevistas com as mães no pós-parto e de consulta aos prontuários médicos. Utilizou-se o teste chi2 para analisar a homogeneidade das proporções. São diferenciadas as condições de vida, de atenção ao parto e nascimento no Município do Rio de Janiero, sendo mais favoráveis no grupo social que utiliza os serviços de saúde das maternidades privadas, embora persistindo ali uma excessiva proporção de cesáreas e de transferência de recém-nascidos. O estrato composto pelas maternidades federais e municipais recebe a clientela materna e infantil com maior morbi-mortalidade, oferece acompanhamento de familiares na internação, obtendo das mães uma avaliação da atenção recebida mais positiva do que o outro segmento do SUS. As maternidades do estrato 2, representadas majoritariamente pelas instituições particulares conveniadas com o SUS, são as que mais recusam parturientes, produzindo um retardo no acompanhamento do trabalho de parto.
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Affiliation(s)
- Maria do Carmo Leal
- Departamento de Epidemiologia e Métodos Quantitativos em Saúde, Escola Nacional de Saúde Pública, Fundação Oswaldo Cruz, Rio de Janeiro, Brazil.
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Dezoete JA, MacArthur BA, Tuck B. Prediction of Bayley and Stanford-Binet scores with a group of very low birthweight children. Child Care Health Dev 2003; 29:367-72. [PMID: 12904244 DOI: 10.1046/j.1365-2214.2003.00349.x] [Citation(s) in RCA: 33] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
Abstract
AIM To study the prediction of cognitive development with a group of very low birthweight infants (<1500 g) at 18 months and at 4 years of age. METHODS Bayley Scales of Infant Development-II Mental Development Indexes (MDI), and Stanford-Binet Intelligence Scale (S-B) Composite Scores were studied in a population of 334 children with birthweights <1500 g. Independent variables measured were gestational age, birthweight, gender and parental socio-economic status (SES). RESULTS Longer gestation (28 weeks and over) and higher birthweight (1000-1500 g) proved to be advantageous for cognitive ability at both 18 months and 4 years. Other significant advantages were associated with female and higher SES. High correlations were found between MDI and the S-B Composite Score (r = 0.62), and between birthweight and gestation (r = 0.72). When information available at birth was included in forward stepwise regression analyses to predict the S-B Composite at 4 years, the best predictors were MDI at 18 months and SES. CONCLUSION With the measures employed and this population, prediction of cognitive development from early childhood to preschool was possible. This may enable reliable identification of those children at risk for delayed cognitive development who require intervention before starting school.
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Affiliation(s)
- J A Dezoete
- Child Development Unit, Paediatric Department, National Women's Hospital, Auckland College of Education, Auckland, New Zealand.
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Abstract
OBJECTIVES Although several national health surveys have implemented data collection efforts to identify and characterize disability among children, the large number of items these surveys have required to measure childhood disability prohibit their use in general population surveys. Using a conceptually based approach, we examine whether concise sets of survey items--feasible for use in general population surveys--can be used to measure functional limitations in activities among children. METHODS We analyze three nationally representative population surveys that contain detailed questions on childhood activity limitations. We first examine the full set of survey items and then eliminate survey items, one by one, exploring different combinations and examining the results of each successive elimination. RESULTS Across the three surveys, we consistently demonstrate that it is possible to reduce the number of survey items needed to measure childhood activity limitations and still produce comparable estimates. Concise sets of measures may contain as few as six items, making it possible to include in general population surveys. However, our concise sets of measures do not produce comparable estimates across surveys, which reflects differences in the types of questions and differences in the wording of questions found in the original survey instruments. CONCLUSIONS On the basis of our findings, we reemphasize the importance of the wording of survey questions, the importance of validating survey questions, and finally, we recommend a concise set of items that can be used to measure childhood activity limitations in general population surveys.
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Affiliation(s)
- Thomas Wells
- Population Studies and Training Center, Brown University. Providence, Rhode Island 02912, USA.
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Msall ME, Tremont MR. Measuring functional outcomes after prematurity: developmental impact of very low birth weight and extremely low birth weight status on childhood disability. MENTAL RETARDATION AND DEVELOPMENTAL DISABILITIES RESEARCH REVIEWS 2003; 8:258-72. [PMID: 12454902 DOI: 10.1002/mrdd.10046] [Citation(s) in RCA: 93] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Abstract
Our purpose was to describe functional outcomes in essential activities in preschool, school-age, and adolescent children who were born very (<32 weeks gestation) and extremely (<28 weeks gestation) prematurely. Very low birth weight (VLBW; 1000-1499 g), or extremely low birth weight (ELBW;<1000 g) populations are the focus of our analysis. We describe models of disablement and enablement for specifying the complexity of childhood outcomes using a framework of pathophysiology, impairment, functional limitation and functional strengths, disability in social roles and social participation, societal limitations and environmental facilitators. Representative early childhood, preschool, school-age, and adolescent studies were examined in terms of describing children's functional strengths and challenges after VLBW and ELBW survival. In early childhood, disability was assessed by diagnosing neurosensory impairments and delays on developmental testing. Instruments for measuring functional status in essential activities of self-care, mobility, communication and learning are described. Rates of neurosensory disability in the first three years among recent ELBW survivors ranged from 9-26% for cerebral palsy, 1-15% for blindness, 0-9% for deafness, and 6-42% for evolving cognitive disability (MDI <70). Rates of preschool functional limitation were 5-27% motor, 5-30% self-care, and 5-22% communicative. Rates of school-age functional educational disabilities exceeded 50%. Rates of adolescent activity limitation were 13-32% and vocational limitations were 27-71%. By examining the functional strengths and challenges of children with major neurodevelopmental impairments after very or extremely preterm birth, we can examine causal pathways that lessen the risk of severe functional disability. Among children with mild to moderate disability, we can enhance functional outcomes, optimize community participation, and provide quality family supports. In order to assess the changing outcomes of this vulnerable population of survivors, combinations of clinical and survey based methodologies are required.
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Affiliation(s)
- Michael E Msall
- Child Development Center, Hasbro Children's and Rhode Island Hospitals Brown Medical School, Providence, Rhode Island 02903, USA.
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Abstract
A substantial number of VLBW graduates of intensive care develop cognitive and behavioral problems, even in the absence of neuroimaging abnormalities. Although this article has highlighted the potential, important, contributing role of medical and stressful, neonatal, environmental conditions to the development of these deficits, it is not all-encompassing, and there are additional prenatal (ie, in utero stress, drug exposure) and neonatal (ie, infectious) contributing factors. The long-term, outcome data presented in this article are pertinent to the more mature, VLBW infant, and it remains unclear and critically important to delineate the long-term, neurobehavioral outcome of those extremely low birth-weight survivors born at the cutting limit of viability.
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MESH Headings
- Basal Ganglia/growth & development
- Basal Ganglia/injuries
- Brain/growth & development
- Causality
- Child Behavior Disorders/etiology
- Child Behavior Disorders/prevention & control
- Cognition Disorders/etiology
- Cognition Disorders/prevention & control
- Developmental Disabilities/etiology
- Developmental Disabilities/prevention & control
- Health Facility Environment/standards
- Hippocampus/growth & development
- Hippocampus/injuries
- Humans
- Infant Nutritional Physiological Phenomena
- Infant, Newborn
- Infant, Premature, Diseases/physiopathology
- Infant, Premature, Diseases/psychology
- Infant, Premature, Diseases/therapy
- Infant, Very Low Birth Weight
- Intensive Care, Neonatal/methods
- Intensive Care, Neonatal/standards
- Noise/adverse effects
- Psychology, Child
- Treatment Outcome
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Affiliation(s)
- Jeffrey M Perlman
- Department of Pediatrics, University of Texas Southwestern Medical Center, 5323 Harry Hines Blvd, Dallas, TX 75390-9063, USA.
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Perlman JM. Neurobehavioral deficits in premature graduates of intensive care--potential medical and neonatal environmental risk factors. Pediatrics 2001; 108:1339-48. [PMID: 11731657 DOI: 10.1542/peds.108.6.1339] [Citation(s) in RCA: 187] [Impact Index Per Article: 8.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/24/2022] Open
Abstract
There is growing evidence that a large number of very low birth weight infants are exhibiting neurobehavioral problems in the absence of cerebral palsy at follow-up that has extended into school age and adolescence. Many clinical factors (ie, chronic lung disease, recurrent apnea and bradycardia, transient hypothyroxemia of prematurity, hyperbilirubinemia, nutritional deficiencies, glucocorticoid exposure), as well as stressful environmental conditions, including infant-provider interaction, constant noise, and bright light, may act in combination to impact on the developing brain, even in the absence of overt hemorrhage and/or ischemia. Any potential intervention strategy designed to prevent cognitive and behavioral problems has to account for the numerous biological and clinical conditions and/or interventions, as well as postdischarge social and environmental influences.
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Affiliation(s)
- J M Perlman
- Department of Pediatrics, University of Texas Southwestern Medical School, Dallas, Texas 75390-9063, USA.
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