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ObjectiveTo compare neurodevelopmental outcomes of large and appropriate for gestational age (LGA, AGA) infants <29 weeks’ gestation at 18–24 months of corrected age.Study designRetrospective cohort study using the Canadian Neonatal Network and Canadian Neonatal Follow-Up Network databases. Primary outcome was a composite of death or significant neurodevelopmental impairment (NDI), defined as severe cerebral palsy, Bayley III cognitive, language and motor scores of <70, need for hearing aids or cochlear implant and bilateral visual impairment. Univariate and multivariable logistic analyses were applied for outcomes.ResultsThe study cohort comprised 170 LGA and 1738 AGA infants. There was no difference in significant NDI or individual components of the Bayley III between LGA and AGA groups. LGA was associated with the increased risk of death by follow-up, 44/170 (25.9%) vs. 320/1738 (18.4%) (aOR: 1.60 95% CI: 1.00–2.54).ConclusionsRisk of NDI was similar between LGA and AGA infants.

Bronchopulmonary dysplasia (BPD) is a chronic respiratory condition primarily affecting infants born less than 28 weeks gestational age. BPD and the diagnostic criteria that define it have evolved since the initial description of the disease more than four decades ago. BPD is one of the most common and serious complications of extreme premature birth. Despite advances in neonatal care and continued research into therapeutic strategies the incidence of BPD remains unchanged. Pharmacologic approaches to the management of BPD include methylxanthines, corticosteroids, and vitamin A supplementation. Supportive therapies including the increased use of non-invasive ventilation and careful oxygen delivery strive to reduce injury inflicted on the developing lung. Stem cell-based therapies are a new investigational strategy showing promise for the prevention or treatment of BPD. The goal of this review is to highlight the evolution of BPD and review current and potential future therapeutic strategies for BPD.

ObjectiveTo characterize variations in practices and outcomes for neonates with hypoxic-ischemic encephalopathy (HIE) treated with therapeutic hypothermia (TH) across Canadian tertiary Neonatal Intensive Care Units (NICUs).Study designRetrospective study of neonates admitted for HIE and treated with TH in 24 tertiary NICUs from the Canadian Neonatal Network, 2010–2020. The two primary outcomes of mortality before discharge and MRI-detected brain injury were compared across NICUs using adjusted standardized ratios (SR) with 95% CI.ResultsOf the 3261 neonates that received TH, 367 (11%) died and 1033 (37%) of the 2822 with MRI results had brain injury. Overall, rates varied significantly across NICUs for mortality (range 5–17%) and brain injury (range 28–51%). Significant variations in use of inotropes, inhaled nitric oxide, blood products, and feeding during TH were identified (p values < 0.01).ConclusionSignificant variations exist in practices and outcomes of HIE neonates treated with hypothermia across Canada.

Abstract Neonatal hypoglycemia is a common, transitional metabolic state that may lead to poor neurodevelopmental outcomes if unrecognized or managed inadequately. Given its frequency of presentation and immense clinical significance, a myriad of clinical practice guidelines have been published outlining appropriate screening, diagnosis, and treatment principles—many endorsing the use of glucose point-of-care testing (POCT). Unfortunately, the well-intended ‘march’ toward POCT, with bedside glucose meters as screening devices in the NICU, has resulted in unintended consequences with critical implications: a lack of international traceability to the ‘gold’ standard glucose method by POCT devices, under-recognition of POCT limitations, and a reliance upon a technology primarily driven to detect hyperglycemia in the adult population as opposed to neonatal hypoglycemia. As providers continue to advocate for improved POCT, there must be robust communication between providers and the clinical laboratory in the selection, standardization, and interpretation of glucose POCT to ensure optimal neonatal glucose detection.

ObjectiveTo describe the incidence, trends, management’s variability and short-term outcomes of preterm infants with severe post-hemorrhagic ventricular dilatation (sPHVD).MethodsWe reviewed infants <33 weeks’ gestation who had PHVD and were admitted to the Canadian Neonatal Network between 2010 and 2018. We compared perinatal characteristics and short-term outcomes between those with sPHVD and those with mild/moderate PHVD and those with and without ventriculo-peritoneal (VP) shunt.ResultsOf 29,417 infants, 2439 (8%) had PHVD; rate increased from 7.3% in 2010 to 9.6% in 2018 (P = 0.005). Among infants with PHVD, sPHVD (19%) and VP shunt (29%) rates varied significantly across Canadian centers and between geographic regions (P < 0.01 and P = 0.0002). On multivariable analysis, sPHVD was associated with greater mortality, seizures and meningitis compared to mild/moderate PHVD.ConclusionsSignificant variability in sPHVD and VP shunt rates exists between centers and regions in Canada. sPHVD was associated with increased mortality and morbidities.

ObjectiveTo examine the association between probiotic use and antimicrobial utilization.Study designWe retrospectively evaluated very-low-birth-weight (VLBW) infants admitted to tertiary neonatal intensive care units in Canada between 2014 and 2019. Our outcome was antimicrobial utilization rate (AUR) defined as number of days of antimicrobial exposure per 1000 patient-days.ResultOf 16,223 eligible infants, 7279 (45%) received probiotics. Probiotic use rate increased from 10% in 2014 to 68% in 2019. The AUR was significantly lower in infants who received probiotics vs those who did not (107 vs 129 per 1000 patient-days, aRR = 0.89, 95% CI [0.81, 0.98]). Among 13,305 infants without culture-proven sepsis or necrotizing enterocolitis ≥Stage 2, 5931 (45%) received probiotics. Median AUR was significantly lower in the probiotic vs the no-probiotic group (78 vs 97 per 1000 patient-days, aRR = 0.85, 95% CI [0.74, 0.97]).ConclusionProbiotic use was associated with a significant reduction in AUR among VLBW infants.