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OBJECTIVE: To evaluate changes in mortality or significant neurodevelopmental impairment (NDI) in children born at <29 weeks of gestation in association with national quality improvement initiatives. STUDY DESIGN: This longitudinal cohort study included children born at 220/7 to 286/7 weeks of gestation who were admitted to Canadian neonatal intensive care units between 2009 and 2016. The primary outcome was a composite rate of death or significant NDI (Bayley Scales of Infant and Toddler Development, Third Edition score <70, severe cerebral palsy, blindness, or deafness requiring amplification) at 18-24 months corrected age. To evaluate temporal changes, outcomes were compared between epoch 1 (2009-2012) and epoch 2 (2013-2016). aORs were calculated for differences between the 2 epochs accounting for differences in patient characteristics. RESULTS: The 4426 children included 1895 (43%) born in epoch 1 and 2531 (57%) born in epoch 2. Compared with epoch 1, in epoch 2 more mothers received magnesium sulfate (56% vs 28%), antibiotics (69% vs 65%), and delayed cord clamping (37% vs 31%) and fewer infants had a Score for Neonatal Acute Physiology, version II >20 (31% vs 35%) and late-onset sepsis (23% vs 27%). Death or significant NDI occurred in 30% of children in epoch 2 versus 32% of children in epoch 1 (aOR, 0.86; 95% CI, 0.75-0.99). In epoch 2, there were reductions in the need for hearing aids or cochlear implants (1.4% vs 2.6%; aOR, 0.50; 95% CI, 0.31-0.82) and in blindness (0.6% vs.1.4%; aOR, 0.38; 95% CI, 0.18-0.80). CONCLUSIONS: Among preterm infants born at <29 weeks of gestation, composite rates of death or significant NDI and rates of visual and hearing impairment were significantly lower in 2013-2016 compared with 2009-2012.
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Enfermedades del Prematuro , Trastornos del Neurodesarrollo , Ceguera , Canadá/epidemiología , Femenino , Edad Gestacional , Humanos , Lactante , Recien Nacido Extremadamente Prematuro , Recién Nacido , Recien Nacido Prematuro , Enfermedades del Prematuro/epidemiología , Estudios Longitudinales , Trastornos del Neurodesarrollo/epidemiología , Embarazo , Estudios RetrospectivosRESUMEN
Objective: There are many challenges in ensuring medical students learn paediatrics. Medical educators must develop and maintain curricula that meet learners' needs and accreditation requirements. Paediatricians and family physicians, practicing and teaching in busy clinical environments, require Canadian-relevant curricular guidance and resources to teach and assess learners. Students struggle with curricular cohesion, clear expectations, and resources. Recognizing these challenges and acknowledging the need to address them, the Paediatric Undergraduate Program Directors of Canada (PUPDOC) created canuc-paeds, a comprehensive competency-based undergraduate curriculum that teachers and students would actually use. Methods: Curriculum development included the following: utilization of best practices in curriculum development, an environmental scan, development of guiding principles, Delphi surveys, in-person meetings, and quality improvement. All Canadian paediatric undergraduate educator leaders and other stakeholders were invited to participate. Results: The curriculum, based on the RCPSC CanMEDS Framework, includes 29 clinical presentations, each with key conditions, foundational knowledge objectives, and learning resources. Essential paediatric-specific physical examination and procedural skills that graduating medical students are expected to perform are identified. Objectives specific to Intrinsic Roles of Collaborator, Communicator, Professional, Leader, Health Advocate and Scholar that can be assessed in the field of paediatrics at the undergraduate level are articulated. The national curriculum has been implemented widely at Canadian medical schools. Online, open-access clinical resources have been developed and are being used world-wide. Conclusion: This curriculum provides overarching Canadian-specific curricular guidance and resources for students and for the paediatricians and family physicians who are responsible for teaching and assessing undergraduate learners.
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This comparison study of two groups within an inception cohort aimed to compare the frequency of motor impairment between preschool children with univentricular and biventricular critical congenital heart disease (CHD) not diagnosed with cerebral palsy/acquired brain injury, describe and compare their motor profiles and explore predictors of motor impairment in each group.Children with an intellectual quotient <70 or cerebral palsy/acquired brain injury were excluded. Motor skills were assessed with the Movement Assessment Battery for Children-2. Total scores <5th percentile indicated motor impairment. Statistical analysis included χ2 test and multiple logistic regression analysis.At a mean age of 55.4 (standard deviation 3.77) months, motor impairment was present in 11.8% of those with biventricular critical CHD, and 32.4% (p < 0.001) of those with univentricular critical CHD. The greatest difference between children with biventricular and univentricular CHD was seen in total test scores 8.73(2.9) versus 6.44(2.8) (p < 0.01) and in balance skills, 8.84 (2.8) versus 6.97 (2.5) (p = 0.001). Manual dexterity mean scores of children with univentricular CHD were significantly below the general population mean (>than one standard deviation). Independent odds ratio for motor impairment in children with biventricular critical CHD was presence of chromosomal abnormality, odds ratio 10.9 (CI 2.13-55.8) (p = 0.004); and in children with univentricular critical CHD odds ratio were: postoperative day 1-5 highest lactate (mmol/L), OR: 1.65 (C1.04-2.62) (p = 0.034), and dialysis requirement any time before the 4.5-year-old assessment, OR: 7.8 (CI 1.08-56.5) (p = 0.042).Early assessment of motor skills, particularly balance and manual dexterity, allows for intervention and supports that can address challenges during the school years.
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Lesiones Encefálicas , Parálisis Cerebral , Cardiopatías , Parálisis Cerebral/complicaciones , Parálisis Cerebral/diagnóstico , Parálisis Cerebral/epidemiología , Preescolar , Humanos , Persona de Mediana Edad , Destreza MotoraRESUMEN
OBJECTIVE: To compare mortality and neurodevelopmental outcomes of outborn and inborn preterm infants born at <29 weeks of gestation admitted to Canadian neonatal intensive care units (NICUs). STUDY DESIGN: Data were obtained from the Canadian Neonatal Network and Canadian Neonatal Follow-up Network databases for infants born at <29 weeks of gestation admitted to NICUs from April 2009 to September 2011. Rates of death, severe neurodevelopmental impairment (NDI), and overall NDI were compared between outborn and inborn infants at 18-21 months of age, corrected for prematurity. RESULTS: Of 2951 eligible infants, 473 (16%) were outborn. Mean birth weight (940 ± 278 g vs 897 + 237 g), rates of treatment with antenatal steroids (53.9% vs 92.9%), birth weight small for gestational age (5.3% vs 9.4%), and maternal college education (43.7% vs 53.9%) differed between outborn and inborn infants, respectively (all P values <.01). The median Score for Neonatal Acute Physiology-II (P = .01) and Apgar score at 5 minutes (P < .01) were higher in inborn infants. Severe brain injury was more common among outborn infants (25.3% vs 14.7%, P < .01). Outborn infants had higher odds of death or severe NDI (aOR 1.7, 95% CI 1.3-2.2), death or overall NDI (aOR 1.6, 95% CI 1.2-2.2), death (aOR 2.1, 95% CI 1.5-3.0), and cerebral palsy (aOR 1.9, 95% CI 1.1-3.3). CONCLUSIONS: The composite outcomes of death or neurodevelopmental impairment were significantly higher in outborn compared with inborn infants admitted to Canadian NICUs. Adverse outcomes were mainly attributed to increased mortality and cerebral palsy in outborn neonates.
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Mortalidad Infantil , Recien Nacido Extremadamente Prematuro/crecimiento & desarrollo , Enfermedades del Prematuro/terapia , Unidades de Cuidado Intensivo Neonatal , Puntaje de Apgar , Peso al Nacer , Canadá , Parálisis Cerebral/epidemiología , Recolección de Datos , Bases de Datos Factuales , Técnicas de Diagnóstico Neurológico , Femenino , Edad Gestacional , Humanos , Lactante , Recién Nacido , Recien Nacido Prematuro/crecimiento & desarrollo , Masculino , Sistema Nervioso/crecimiento & desarrollo , Atención Perinatal , Embarazo , Estudios Retrospectivos , Riesgo , Atención Terciaria de SaludRESUMEN
OBJECTIVE: To compare the proportion of developmental delay in early complex cardiac surgery (CCS) survivors with and without gastrostomy tube feeding (GTF). To explore acute care predictors of GTF that might help improve care in CCS survivors. STUDY GROUP: This comparison study of 2 groups within an inception cohort included 334 CCS survivors after cardiopulmonary bypass at ≤6 weeks of age (2005-2012) who did not require extracorporeal membrane oxygenation or heart transplantation. Children were assessed at 21 ± 3 months with the Bayley Scales of Infant and Toddler Development-Third Edition and the Adaptive Behavior Assessment System-Second Edition: general adaptive composite score. Delay was determined by scores >2 SD below mean. The χ(2) test compared groups. Predictors of GTF were analyzed using multiple logistic regression analysis, results expressed as OR with 95% CI. RESULTS: Of the survivors, 67/334 (20%) had GTF any time before the 21-month assessment. Developmental delays in children with GTF were cognitive in 16 (24%), motor in 18 (27%), language in 24 (36%) vs without GTF in 7 (3%), 8 (3%), and 32 (12%), respectively (P < .001). Gastrostomy group had almost 8 times the number of children delayed on the general adaptive composite score. Independent OR for GTF are presence of a chromosomal abnormality, OR 4.6 (95% CI 1.8, 12.0) (P = .002), single ventricle anatomy, OR 3.4 (95% CI 1.7, 6.8) (P < .001), total postoperative days of open sternum, OR 1.15 (95% CI 1.1, 1.3) (P = .031), and total number of hospital days at CCS, OR 1.03 (95% CI 1.1, 1.04) (P = .002). CONCLUSIONS: GTF identifies CCS survivors at risk for delay, who would benefit from early developmental intervention. The described mostly nonmodifiable predictors may guide counseling of these children's families.
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Procedimientos Quirúrgicos Cardíacos , Discapacidades del Desarrollo/prevención & control , Intervención Médica Temprana , Nutrición Enteral , Gastrostomía , Cuidados Posoperatorios , Femenino , Humanos , Recién Nacido , Masculino , Estudios ProspectivosRESUMEN
The objective of this study was to determine neurocognitive outcomes 4.5 years after surgery for TAPVC in infancy and predictors of these outcomes. A cohort having TAPVC repair at age ≤6 weeks between 1998 and 2007 were followed by the Complex Pediatric Therapies Follow-up Program at 4.5 years. Outcomes include mortality, full-scale intelligence quotient (FSIQ), verbal IQ (VIQ), performance IQ (PIQ), visual motor integration (VMI), and general adaptive composite of the Adaptive Behavior Assessment System (GAC). There were 51 infants with simple TAPVC [4 year mortality 4 (8%)], and 16 with complex TAPVC [4 year mortality 7 (44%)], hazard ratio (HR) 7.02 (95% CI 2.05-24.07, p = 0.002). Of the 47 survivors after simple TAPVC, FSIQ (SD) was 92 (17), VIQ 92 (17), PIQ 94 (15), VMI 92 (15), and GAC 92 (15). Independent predictors of neurocognitive outcome included father's socioeconomic status, mother's years of schooling, gender, post-operative base deficit, and deep hypothermic circulatory arrest (DHCA) time. Complex TAPVC was associated on univariate analysis only with PIQ [81.9 (10.2) vs. 93.6 (15.4); p = 0.012] and FSIQ [80.7 (10.1) vs. 92.0 (17.7); p = 0.017]. Original peoples accounted for 25/51 (49%) of simple and 3/16 (19%) of complex TAPVC. Original peoples race was associated with 4-year mortality [HR 6.85 (95% CI 2.15, 21.76, p = 0.001)]. Survivors of TAPVC repair in early infancy have encouraging neurocognitive outcomes. Few independent predictors of neurocognitive outcome were found, with post-operative acidosis and DHCA time being potentially modifiable. Original peoples account for an unexpected proportion of patients (42%) and have a higher mortality.
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Cognición , Síndrome de Cimitarra/cirugía , Niño , Desarrollo Infantil , Preescolar , Femenino , Estudios de Seguimiento , Humanos , Pruebas de Inteligencia , Masculino , Pruebas NeuropsicológicasRESUMEN
IMPORTANCE: Extremely preterm infants may experience intermittent hypoxemia or bradycardia for many weeks after birth. The prognosis of these events is uncertain. OBJECTIVE: To determine the association between intermittent hypoxemia or bradycardia and late death or disability. DESIGN, SETTING, AND PARTICIPANTS: Post hoc analysis of data from the inception cohort assembled for the Canadian Oxygen Trial in 25 hospitals in Canada, the United States, Argentina, Finland, Germany, and Israel, including 1019 infants with gestational ages of 23 weeks 0 days through 27 weeks 6 days who were born between December 2006 and August 2010 and survived to a postmenstrual age of 36 weeks. Follow-up assessments occurred between October 2008 and August 2012. EXPOSURES: Episodes of hypoxemia (pulse oximeter oxygen saturation <80%) or bradycardia (pulse rate <80/min) for 10 seconds or longer. Values were sampled every 10 seconds within 24 hours after birth until at least 36 weeks' postmenstrual age. MAIN OUTCOMES AND MEASURES: The primary outcome was a composite of death after 36 weeks' postmenstrual age, motor impairment, cognitive or language delay, severe hearing loss, or bilateral blindness at 18 months' corrected age. Secondary outcomes were motor impairment, cognitive or language delay, and severe retinopathy of prematurity. RESULTS: Downloaded saturation and pulse rate data were available for a median of 68.3 days (interquartile range, 56.8-86.0 days). Mean percentages of recorded time with hypoxemia for the least and most affected 10% of infants were 0.4% and 13.5%, respectively. Corresponding values for bradycardia were 0.1% and 0.3%. The primary outcome was ascertained for 972 infants and present in 414 (42.6%). Hypoxemic episodes were associated with an estimated increased risk of late death or disability at 18 months of 56.5% in the highest decile of hypoxemic exposure vs 36.9% in the lowest decile (modeled relative risk, 1.53; 95% CI, 1.21-1.94). This association was significant only for prolonged hypoxemic episodes lasting at least 1 minute (relative risk, 1.66; 95% CI, 1.35-2.05 vs for shorter episodes, relative risk, 1.01; 95% CI, 0.77-1.32). Relative risks for all secondary outcomes were similarly increased after prolonged hypoxemia. Bradycardia did not alter the prognostic value of hypoxemia. CONCLUSIONS AND RELEVANCE: Among extremely preterm infants who survived to 36 weeks' postmenstrual age, prolonged hypoxemic episodes during the first 2 to 3 months after birth were associated with adverse 18-month outcomes. If confirmed in future studies, further research on the prevention of such episodes is needed.
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Bradicardia , Hipoxia , Recien Nacido Extremadamente Prematuro , Ceguera , Trastornos del Conocimiento , Estudios de Cohortes , Muerte , Niños con Discapacidad , Femenino , Edad Gestacional , Pérdida Auditiva , Humanos , Lactante , Recién Nacido , Trastornos del Desarrollo del Lenguaje , Masculino , Trastornos de la Destreza Motora , Oxígeno/sangre , Retinopatía de la Prematuridad , Análisis de SupervivenciaRESUMEN
OBJECTIVE: To determine the effect of neonatal caffeine treatment on rates of developmental coordination disorder (DCD). STUDY DESIGN: Children in the Caffeine for Apnea of Prematurity trial were assessed for motor performance (Movement Assessment Battery for Children [MABC]), clinical signs of cerebral palsy, and Full-Scale IQ at 5 years of age by staff who were unaware of the children's treatment group. DCD was defined as MABC<5th percentile in children with a Full-Scale IQ>69 who did not have a diagnosis of cerebral palsy. RESULTS: There were 1433 children with known MABC corrected-age percentile as well as known Full-Scale IQ at 5 years and cerebral palsy status, of whom 735 had been randomly assigned to caffeine and 698 to placebo therapy. The rate of DCD was lower in those treated with caffeine (11.3%) than in the placebo group (15.2%) (OR adjusted for center and baseline covariates, 0.71, 95% CI, 0.52-0.97; P=.032). CONCLUSIONS: Neonatal caffeine therapy for apnea of prematurity reduces the rate of DCD at 5 years of age. As more children have DCD than have cerebral palsy, this is an important additional benefit from neonatal caffeine treatment.
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Apnea/tratamiento farmacológico , Cafeína/uso terapéutico , Trastornos de la Destreza Motora/tratamiento farmacológico , Apnea/complicaciones , Preescolar , Femenino , Estudios de Seguimiento , Humanos , Lactante , Recién Nacido , Recien Nacido Prematuro , Masculino , Trastornos de la Destreza Motora/complicaciones , Trastornos de la Destreza Motora/epidemiología , Resultado del TratamientoRESUMEN
IMPORTANCE: Data on the middle school outcomes of preterm children are limited and have methodologic issues. OBJECTIVE: To study the association between preterm birth and grade 7 school performance. METHODS: A retrospective population-based cohort study of children born in Manitoba, Canada between 1994 and 2006 using their grade 7 school performance data. A secondary sibling cohort was created comprising children born preterm and their full-term siblings. Primary exposure was preterm birth categorized as <28, 28-33 and 34-36 weeks gestation. The two co-primary grade 7 outcome measures were: not meeting the mathematics competencies, and not meeting the student engagement competencies. Multivariable logistic regression models tested the association between preterm birth and both co-primary outcomes; adjusted odds ratios (aORs) and 95% confidence intervals (CIs) were calculated. RESULTS: 7653 preterm (gestational age median [IQR]: 35 weeks [34,36]) and 110,313 term (40 [39,40]) were included. 43% of < 28 weeks, 18% of 28-33 weeks and 17% of 34-36 weeks had the mathematics co-primary outcome compared to 13% of term children. The corresponding % for the student engagement outcome were 42%, 24%, 24% and 24% respectively. Preterm birth was associated with the mathematics (<28 weeks: 5.48, 3.89-7.70; 28-33 weeks: 1.47, 1.27-1.70; 34-36 weeks: 1.26, 1.16-1.35) and student engagement outcomes (<28 weeks: 2.49, 1.76-3.51; 28-33 weeks: 1.21, 1.06-1.39; 34-36 weeks: 1.09, 1.01-1.16). However, there was no difference in outcomes among the sibling cohort. CONCLUSIONS AND RELEVANCE: Children born preterm had lower grade 7 performance compared to children born term in this population-based cohort. Screening and supports for them in their middle school years are warranted.
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Edad Gestacional , Recien Nacido Prematuro , Humanos , Femenino , Estudios Retrospectivos , Masculino , Niño , Recién Nacido , Modelos Logísticos , Manitoba , Matemática , Nacimiento Prematuro/epidemiología , Rendimiento Académico/estadística & datos numéricos , Instituciones Académicas , Canadá , Análisis MultivarianteRESUMEN
IMPORTANCE: The goal of oxygen therapy is to deliver sufficient oxygen to the tissues while minimizing oxygen toxicity and oxidative stress. It remains uncertain what values of arterial oxygen saturations achieve this balance in preterm infants. OBJECTIVE: To compare the effects of targeting lower or higher arterial oxygen saturations on the rate of death or disability in extremely preterm infants. DESIGN, SETTING, AND PARTICIPANTS: Randomized, double-blind trial in 25 hospitals in Canada, the United States, Argentina, Finland, Germany, and Israel in which 1201 infants with gestational ages of 23 weeks 0 days through 27 weeks 6 days were enrolled within 24 hours after birth between December 2006 and August 2010. Follow-up assessments began in October 2008 and ended in August 2012. INTERVENTIONS: Study participants were monitored until postmenstrual ages of 36 to 40 weeks with pulse oximeters that displayed saturations of either 3% above or below the true values. Caregivers adjusted the concentration of oxygen to achieve saturations between 88% and 92%, which produced 2 treatment groups with true target saturations of 85% to 89% (n = 602) or 91% to 95% (n = 599). Alarms were triggered when displayed saturations decreased to 86% or increased to 94%. MAIN OUTCOMES AND MEASURES: The primary outcome was a composite of death, gross motor disability, cognitive or language delay, severe hearing loss, or bilateral blindness at a corrected age of 18 months. Secondary outcomes included retinopathy of prematurity and brain injury. RESULTS: Of the 578 infants with adequate data for the primary outcome who were assigned to the lower target range, 298 (51.6%) died or survived with disability compared with 283 of the 569 infants (49.7%) assigned to the higher target range (odds ratio adjusted for center, 1.08; 95% CI, 0.85 to 1.37; P = .52). The rates of death were 16.6% for those in the 85% to 89% group and 15.3% for those in the 91% to 95% group (adjusted odds ratio, 1.11; 95% CI, 0.80 to 1.54; P = .54). Targeting lower saturations reduced the postmenstrual age at last use of oxygen therapy (adjusted mean difference, -0.8 weeks; 95% CI, -1.5 to -0.1; P = .03) but did not alter any other outcomes. CONCLUSION AND RELEVANCE: In extremely preterm infants, targeting oxygen saturations of 85% to 89% compared with 91% to 95% had no significant effect on the rate of death or disability at 18 months. These results may help determine the optimal target oxygen saturation. TRIAL REGISTRATIONS: ISRCTN Identifier: 62491227; ClinicalTrials.gov Identifier: NCT00637169.
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Niños con Discapacidad , Recien Nacido Prematuro , Terapia por Inhalación de Oxígeno/métodos , Oxígeno/sangre , Adulto , Ceguera/epidemiología , Ceguera/prevención & control , Trastornos del Conocimiento/epidemiología , Trastornos del Conocimiento/prevención & control , Método Doble Ciego , Femenino , Edad Gestacional , Pérdida Auditiva/epidemiología , Pérdida Auditiva/prevención & control , Humanos , Lactante , Recién Nacido , Recién Nacido de muy Bajo Peso , Trastornos del Desarrollo del Lenguaje/epidemiología , Trastornos del Desarrollo del Lenguaje/prevención & control , Masculino , Mortalidad/tendencias , Oportunidad Relativa , Retinopatía de la Prematuridad/epidemiología , Retinopatía de la Prematuridad/prevención & control , Resultado del TratamientoRESUMEN
OBJECTIVE: To study the association between prematurity and grade 3 school performance in a contemporary cohort of children. METHODS: Population-based retrospective cohort study in Manitoba, Canada. Children born between 1999 and 2011 who had their grade 3 school performance data available were eligible. Preterm birth (<37 weeks) was the exposure of interest assessed using multivariable logistic regression models. Our primary outcomes were 'needs ongoing help' or 'outside the range' in at least two of each of the (1) four numeracy and (2) three reading competencies. RESULTS: Of the 186 956 eligible children, 101 436 children (7187 preterm (gestational age, median (IQR) 35 weeks (34, 36)) and 94 249 term (40 weeks (39,40)) were included. Overall, 19% of preterm and 14% of term children had the numeracy outcome (adjusted OR (aOR) 1.38; 95% CI 1.29 to 1.47, p<0.001), while 19% and 13% had the reading outcome (aOR 1.38; 1.29 to 1.48, p<0.001). These differences showed a gestational age gradient. Gestational age (for numeracy, <28 weeks aOR 4.93 (3.45 to 7.03), 28-33 weeks 1.72 (1.50 to 1.98), 34-36 weeks 1.24 (1.15 to 1.34); for reading, <28 weeks 3.51 (2.40 to 5.14), 28-33 weeks 1.72 (1.49 to 1.98), 34-36 weeks 1.24 (1.17-1.37)), male sex, small for gestational age and maternal medical and sociodemographic factors were associated with the numeracy and reading outcomes in this cohort. CONCLUSIONS AND RELEVANCE: Children born preterm had poorer performance in grade 3 numeracy and reading proficiencies than children born full term. All children born preterm, not just those born extremely preterm, should be screened for reading and numeracy performance in school and strategies implemented to address any deficits.
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Nacimiento Prematuro , Femenino , Humanos , Masculino , Niño , Recién Nacido , Lactante , Estudios de Cohortes , Estudios Retrospectivos , Nacimiento Prematuro/epidemiología , Recien Nacido Prematuro , Edad GestacionalRESUMEN
Neurodevelopmental challenges in children born very preterm are common and not improving. This study tested the feasibility of using Evidence-based Practice to Improve Quality (EPIQ), a proven quality improvement technique that incorporates scientific evidence to target improving language abilities in very preterm populations in 10 Canadian neonatal follow-up programs. Feasibility was defined as at least 70% of sites completing four intervention cycles and 75% of cycles meeting targeted aims. Systematic reviews were reviewed and performed, an online quality improvement educational tool was developed, multidisciplinary teams that included parents were created and trained, and sites provided virtual support to implement and audit locally at least four intervention cycles of approximately 6 months in duration. Eight of ten sites implemented at least four intervention cycles. Of the 48 cycles completed, audits showed 41 (85%) met their aim. Though COVID-19 was a barrier, parent involvement, champions, and institutional support facilitated success. EPIQ is a feasible quality improvement methodology to implement family-integrated evidence-informed interventions to support language interventions in neonatal follow-up programs. Further studies are required to identify potential benefits of service outcomes, patients, and families and to evaluate sustainability.
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CONTEXT: Very preterm infants are prone to apnea and have an increased risk of death or disability. Caffeine therapy for apnea of prematurity reduces the rates of cerebral palsy and cognitive delay at 18 months of age. OBJECTIVE: To determine whether neonatal caffeine therapy has lasting benefits or newly apparent risks at early school age. DESIGN, SETTING, AND PARTICIPANTS: Five-year follow-up from 2005 to 2011 in 31 of 35 academic hospitals in Canada, Australia, Europe, and Israel, where 1932 of 2006 participants (96.3%) had been enrolled in the randomized, placebo-controlled Caffeine for Apnea of Prematurity trial between 1999 and 2004. A total of 1640 children (84.9%) with birth weights of 500 to 1250 g had adequate data for the main outcome at 5 years. MAIN OUTCOME MEASURES: Combined outcome of death or survival to 5 years with 1 or more of motor impairment (defined as a Gross Motor Function Classification System level of 3 to 5), cognitive impairment (defined as a Full Scale IQ<70), behavior problems, poor general health, deafness, and blindness. RESULTS: The combined outcome of death or disability was not significantly different for the 833 children assigned to caffeine from that for the 807 children assigned to placebo (21.1% vs 24.8%; odds ratio adjusted for center, 0.82; 95% CI, 0.65-1.03; P = .09). The rates of death, motor impairment, behavior problems, poor general health, deafness, and blindness did not differ significantly between the 2 groups. The incidence of cognitive impairment was lower at 5 years than at 18 months and similar in the 2 groups (4.9% vs 5.1%; odds ratio adjusted for center, 0.97; 95% CI, 0.61-1.55; P = .89). CONCLUSION: Neonatal caffeine therapy was no longer associated with a significantly improved rate of survival without disability in children with very low birth weights who were assessed at 5 years.
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Apnea/tratamiento farmacológico , Cafeína/uso terapéutico , Estimulantes del Sistema Nervioso Central/uso terapéutico , Trastornos del Conocimiento/prevención & control , Recien Nacido Prematuro , Recién Nacido de muy Bajo Peso , Ceguera/epidemiología , Ceguera/etiología , Ceguera/prevención & control , Cafeína/efectos adversos , Estimulantes del Sistema Nervioso Central/efectos adversos , Parálisis Cerebral/epidemiología , Desarrollo Infantil , Preescolar , Trastornos del Conocimiento/epidemiología , Trastornos del Conocimiento/etiología , Sordera/epidemiología , Sordera/etiología , Sordera/prevención & control , Discapacidades del Desarrollo/epidemiología , Discapacidades del Desarrollo/etiología , Discapacidades del Desarrollo/prevención & control , Femenino , Estudios de Seguimiento , Humanos , Incidencia , Lactante , Recién Nacido , Masculino , Oportunidad Relativa , Análisis de Supervivencia , Resultado del TratamientoRESUMEN
OBJECTIVE: To examine whether the family integrated care (FICare) programme, a multifaceted approach which enables parents to be engaged as primary caregivers in the neonatal intensive care unit, impacts infant neurodevelopment and growth at 18 months' corrected age. DESIGN/METHODS: Prospective cohort study of infants born <29 weeks' gestational age (GA) who participated in the FICare cluster randomised control trial (cRCT) and were assessed in the Canadian Neonatal Follow-Up Network (CNFUN). The primary outcome measure, Cognitive or Language composite score <85 on the Bayley-III, was compared between FICare exposed and routine care children using logistic regression, adjusted for potential confounders and employing generalised estimation equations to account for clustering of infants within sites. RESULTS: Of 756 infants <29 weeks' GA in the FICare cRCT, 505 were enrolled in CNFUN and 455 were assessed (238 FICare, 217 control). Compared with controls, FICare infants had significantly higher incidence of intraventricular haemorrhage (IVH) (19.5% vs 11.7%, p=0.024) and higher proportion of employed mothers (76.6% vs 73.6%, p=0.043). There was no significant difference in the odds of the primary outcome (adjusted OR: 0.92 (0.59 to 1.42) FiCare vs Control) on multivariable analyses adjusted for GA, IVH and maternal employment. However, Bayley-III Motor scores (adjusted difference in mean (95% CI) 3.87 (1.22 to 6.53) and body mass index 0.67 (0.36 to 0.99) were higher in the FICare group. CONCLUSIONS: Very preterm infants exposed to FICare had no significant difference in incidence of cognitive or language delay but had better motor development. TRIAL REGISTRATION NUMBER: Participants in this cohort study were previously enrolled in a registered trial: NCT01852695.
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Desarrollo Infantil , Recien Nacido Extremadamente Prematuro , Cuidado Intensivo Neonatal/organización & administración , Padres , Lactancia Materna , Canadá , Disfunción Cognitiva/diagnóstico , Discapacidades del Desarrollo/diagnóstico , Femenino , Estudios de Seguimiento , Humanos , Lactante , Recién Nacido , Unidades de Cuidado Intensivo Neonatal , Trastornos del Desarrollo del Lenguaje/diagnóstico , Relaciones Padres-Hijo , Padres/psicología , Grupo de Atención al Paciente , Estudios Prospectivos , Estrés Psicológico/prevención & control , Aumento de PesoRESUMEN
Importance: Children born preterm may experience learning challenges at school. However, there is a paucity of data on the school readiness of these children as they prepare to begin grade 1. Objective: To examine the association between prematurity and school readiness in a population-based cohort of children. Design, Setting, and Participants: This cohort study was conducted in the province of Manitoba, Canada, and involved 2 cohorts of children in kindergarten at the time of data collection. The population-based cohort included children born between January 1, 2000, and December 31, 2011, whose school readiness was assessed in kindergarten using the Early Development Instrument (EDI) data. The sibling cohort comprised children born preterm and their closest-in-age siblings born full term. Data were analyzed between March 12 and September 28, 2021. Exposures: Preterm birth, defined as gestational age (GA) less than 37 weeks. Main Outcomes and Measures: The primary outcome was vulnerability in the EDI, defined as a score below the tenth percentile of the Canadian population norms for any 1 or more of the 5 EDI domains (physical health and well-being, social competence, emotional maturity, language and cognitive development, and communication skills and general knowledge). Logistic regression models were used to identify the factors associated with vulnerability in the EDI. P values were adjusted for multiplicity using the Simes false discovery method. Results: Of 86â¯829 eligible children, 63â¯277 were included, of whom 4352 were preterm (mean [SD] GA, 34 [2] weeks; 2315 boys [53%]) and 58â¯925 were full term (mean [SD] GA, 39 (1) weeks; 29â¯885 boys [51%]). Overall, 35% of children (1536 of 4352) born preterm were vulnerable in the EDI compared with 28% of children (16â¯449 of 58â¯925) born full term (adjusted odds ratio [AOR], 1.32; 95% CI, 1.23-1.41; P < .001]). Compared with children born full term, those born preterm had a higher percentage of vulnerability in each of the 5 EDI domains. In the population-based cohort, prematurity (34-36 weeks' GA: AOR, 1.23 [95% CI, 1.14-1.33]; <34 weeks' GA: AOR, 1.72 [95% CI, 1.48-1.99]), male sex (AOR, 2.24; 95% CI, 2.16-2.33), small for gestational age (AOR, 1.31; 95% CI, 1.23-1.40), and various maternal medical and sociodemographic factors were associated with EDI vulnerability. In the sibling cohort, EDI outcomes were similar for both children born preterm and their siblings born full term except for the communication skills and general knowledge domain (AOR, 1.39; 95% CI, 1.07-1.80) and Multiple Challenge Index (AOR, 1.43; 95% CI, 1.06-1.92), whereas male sex (AOR, 2.19; 95% CI, 1.62-2.96) and maternal age at delivery (AOR, 1.53; 95% CI, 1.38-1.70) were associated with EDI vulnerability. Conclusions and Relevance: Results of this study suggest that, in a population-based cohort, children born preterm had a lower school-readiness rate than children born full term, but this difference was not observed in the sibling cohort. Child and maternal factors were associated with lack of school readiness among this population-based cohort.
Asunto(s)
Enfermedades del Prematuro , Nacimiento Prematuro , Canadá , Niño , Preescolar , Estudios de Cohortes , Femenino , Edad Gestacional , Humanos , Lactante , Recién Nacido , Masculino , Manitoba/epidemiología , Nacimiento Prematuro/epidemiología , Instituciones AcadémicasRESUMEN
BACKGROUND: The ability to definitively diagnose cerebral palsy (CP) at 18-24â¯months is unknown. AIMS: To describe very preterm children who, at 19â¯months, have suspected CP defined as neither having a definitive diagnosis of CP nor no CP and compare them with children with and without CP. STUDY DESIGN AND METHODS: Longitudinal national cohort study of births <29â¯weeks' gestation with linked Canadian Neonatal Network and Canadian Neonatal Follow-up Network data with 19â¯month assessments and 3-year questionnaires (Ages and Stages-3 and Health Status Classification System-Preschool). CP, no CP and suspected CP groups, classified at 19â¯months, were compared using chi square and ANOVA. RESULTS: Of 3086 survivors, 2280 had complete 19-month corrected age (CA) and 1261 had 3-year CA data. Suspected CP (3.6%), CP (6.4%) and no CP (90%) groups differed (pâ¯<â¯0.05) in birth weight, gestational age, complications of prematurity and NICU length of stay. Children with suspected CP had Bayley-III motor, cognitive and language composite scores at 18â¯months midway between CP and no CP, had the lowest sensory impairment rates and highest hospital readmission rates. At 3â¯years, gross motor, fine motor, problem-solving, communication and social skill abilities differed: abnormal outcomes were intermediate for children with suspected CP (pâ¯<â¯0.01). CONCLUSIONS: CP incidence varied from 6.4% to 10% with exclusion or inclusion of children with suspected CP. Children with suspected CP have characteristics mostly midway between those with and without CP and developmental concerns persist to 3â¯years and require surveillance beyond 19â¯months.
Asunto(s)
Parálisis Cerebral/epidemiología , Recien Nacido Extremadamente Prematuro/crecimiento & desarrollo , Canadá , Femenino , Humanos , Lactante , Recien Nacido Extremadamente Prematuro/fisiología , Recién Nacido , MasculinoAsunto(s)
Cardiopatías Congénitas , Humanos , Niño , Lactante , Cardiopatías Congénitas/complicaciones , Desarrollo InfantilRESUMEN
BACKGROUND: We aimed to determine predictors of, and outcomes after, veno-arterial extracorporeal membrane oxygenation instituted within 48 h after cardiac surgery (early ECMO) in young infants. METHODS: Patients ≤ 6 weeks old having cardiac surgery from 2003 to 2012 were enrolled prospectively. Patients cannulated pre-operatively, intra-operatively, or ≥ 48 h post-operatively were excluded. Variables at p ≤ 0.1 on univariate regression were entered into multiple logistic regression to predict early ECMO. Early-ECMO cases were matched 1:2 for six demographic variables, and death by age 2 years old (determined using conditional logistic regression; presented as odds ratio (OR), 95% confidence interval (CI)) and General Adaptive Composite scores at age 2 years (determined using Wilcoxon rank sum) were compared; p ≤ 0.05 was considered statistically significant. RESULTS: Of 565 eligible patients over the 10-year period, 20 had early ECMO instituted at a mean (standard deviation) of 12.4 (11.4) h post-operatively, 10 of whom had extracorporeal cardiopulmonary resuscitation. Of early-ECMO patients, 8 (40%) were found to have residual anatomic defects requiring intervention with catheterization (n = 1) and/or surgery (n = 7). On multiple regression, the post-operative day 1 highest vasoactive-inotrope score (OR 1.02; 95%CI 1.06,1.08; p < 0.001), highest lactate (OR 1.2; 95%CI 1.06,1.35; p = 0.003), and lowest base deficit (OR 0.82; 95%CI 0.71,0.94; p = 0.004), CPB time (OR 1.01; 95%CI 1.00,1.02; p = 0.002), and single-ventricle anatomy (OR 5.35; 95%CI 1.66,17.31; p = 0.005) were associated with early ECMO. Outcomes at 2 years old compared between early-ECMO and matched patients were mortality 11/20 (55%) vs 11/40 (28%) (OR 3.22, 95%CI 0.98,10.63; p = 0.054) and General Adaptive Composite median 65 [interquartile range (IQR) 58, 81.5] in 9 survivors vs 93 [IQR 86.5, 102.5] in 29 survivors (p = 0.02). CONCLUSIONS: The identified risk factors for, and outcomes after, having early ECMO may aid decision making in the acute period and confirm that neurodevelopmental follow-up for these children is necessary. The hypothesis that earlier institution of ECMO may improve long-term outcomes requires further study.
RESUMEN
BACKGROUND AND OBJECTIVES: Caffeine is effective in the treatment of apnea of prematurity. Although caffeine therapy has a benefit on gross motor skills in school-aged children, effects on neurobehavioral outcomes are not fully understood. We aimed to investigate effects of neonatal caffeine therapy in very low birth weight (500-1250 g) infants on neurobehavioral outcomes in 11-year-old participants of the Caffeine for Apnea of Prematurity trial. METHODS: Thirteen academic hospitals in Canada, Australia, Great Britain, and Sweden participated in this part of the 11-year follow-up of the double-blind, randomized, placebo-controlled trial. Measures of general intelligence, attention, executive function, visuomotor integration and perception, and behavior were obtained in up to 870 children. The effects of caffeine therapy were assessed by using regression models. RESULTS: Neurobehavioral outcomes were generally similar for both the caffeine and placebo group. The caffeine group performed better than the placebo group in fine motor coordination (mean difference [MD] = 2.9; 95% confidence interval [CI]: 0.7 to 5.1; P = .01), visuomotor integration (MD = 1.8; 95% CI: 0.0 to 3.7; P < .05), visual perception (MD = 2.0; 95% CI: 0.3 to 3.8; P = .02), and visuospatial organization (MD = 1.2; 95% CI: 0.4 to 2.0; P = .003). CONCLUSIONS: Neonatal caffeine therapy for apnea of prematurity improved visuomotor, visuoperceptual, and visuospatial abilities at age 11 years. General intelligence, attention, and behavior were not adversely affected by caffeine, which highlights the long-term safety of caffeine therapy for apnea of prematurity in very low birth weight neonates.
Asunto(s)
Cafeína/uso terapéutico , Estimulantes del Sistema Nervioso Central/uso terapéutico , Desarrollo Infantil , Desempeño Psicomotor/efectos de los fármacos , Procesamiento Espacial/efectos de los fármacos , Percepción Visual/efectos de los fármacos , Apnea/tratamiento farmacológico , Apnea/etiología , Niño , Método Doble Ciego , Femenino , Estudios de Seguimiento , Humanos , Recién Nacido , Recien Nacido Prematuro , Enfermedades del Prematuro/tratamiento farmacológico , Recién Nacido de muy Bajo Peso , Masculino , Destreza Motora/efectos de los fármacosRESUMEN
OBJECTIVES: Identify determinants of neurodevelopmental outcome in preterm children. METHODS: Prospective national cohort study of children born between 2009 and 2011 at <29â weeks gestational age, admitted to one of 28 Canadian neonatal intensive care units and assessed at a Canadian Neonatal Follow-up Network site at 21â months corrected age for cerebral palsy (CP), visual, hearing and developmental status using the Bayley Scales of Infant and Toddler Development-Third Edition (Bayley-III). Stepwise regression analyses evaluated the effect of (1) prenatal and neonatal characteristics, (2) admission severity of illness, (3) major neonatal morbidities, (4) neonatal neuroimaging abnormalities, and (5) site on neurodevelopmental impairment (NDI) (Bayley-III score < 85, any CP, visual or hearing impairment), significant neurodevelopmental impairment (sNDI) (Bayley-III < 70, severe CP, blind or hearing aided and sNDI or death. RESULTS: Of the 3700 admissions without severe congenital anomalies, 84% survived to discharge and of the 2340 admissions, 46% (IQR site variation 38%-51%) had a NDI, 17% (11%-23%) had a sNDI, 6.4% (3.1%-8.6%) had CP, 2.6% (2.5%-13.3%) had hearing aids or cochlear implants and 1.6% (0%-3.1%) had a bilateral visual impairment. Bayley-III composite scores of <70 for cognitive, language and motor domains were 3.3%, 10.9% and 6.7%, respectively. Gestational age, sex, outborn, illness severity, bronchopulmonary dysplasia, necrotising enterocolitis, late-onset sepsis, retinopathy of prematurity, abnormal neuroimaging and site were significantly associated with NDI or sNDI. Site variation ORs for NDI, sNDI and sNDI/death ranged from 0.3-4.3, 0.04-3.5 and 0.12-1.96, respectively. CONCLUSION: Most preterm survivors are free of sNDI. The risk factors, including site, associated with neurodevelopmental status suggest opportunities for improving outcomes.