Publications by authors named "Tim J van Hasselt"

Importance: Children born very preterm have increased health care use. However, there is a lack of research using contemporary national data quantifying hospitalizations after neonatal discharge to inform counseling of families and health care provision.

Objective: To examine hospital admissions after neonatal discharge and before 2 years of age among children born at less than 32 weeks' gestation and assess associations between hospitalization and neonatal morbidities.

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To perform a systematic review and meta-analysis to examine the association between persistent pulmonary hypertension (PPHN) and receipt of therapeutic hypothermia (TH), compared to those who did not receive TH, among infants with moderate or severe hypoxic-ischemic encephalopathy (HIE). Systematic review and meta-analysis based on Ovid, Medline, Embase and Cochrane central searches from 01/01/2000 to 31/03/2025. We included only randomized control trials for meta-analysis and followed international guidelines for conducting systematic reviews.

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Objective: Following very preterm birth, some children require ongoing intensive care after the neonatal period and transition directly from neonatal units (NNUs) to paediatric intensive care units (PICUs) around term-corrected age.We aimed to understand, at a national level, characteristics and outcomes of children born very preterm who transitioned directly from NNUs to PICUs.

Design: Retrospective cohort study, using data linkage of National Neonatal Research Database, Paediatric Intensive Care Audit Network and Office for National Statistics datasets.

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Importance: Children born very preterm (<32 weeks) are at risk of ongoing morbidity and admission to pediatric intensive care units (PICUs) in childhood. However, the influence of the timing of neonatal discharge on unplanned PICU admission has not been established.

Objective: To examine whether the timing of neonatal discharge (postmenstrual age and season) is associated with subsequent unplanned PICU admission.

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Objective: To quantify the characteristics of children admitted to neonatal units (NNUs) and paediatric intensive care units (PICUs) before the age of 2 years.

Design: A data linkage study of routinely collected data.

Setting: National Health Service NNUs and PICUs in England and Wales PATIENTS: Children born from 2013 to 2018.

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Objective: Survival of babies born very preterm (<32 weeks gestational age) has increased, although preterm-born children may have ongoing morbidity. We aimed to investigate the risk of admission to paediatric intensive care units (PICUs) of children born very preterm following discharge home from neonatal care.

Design: Retrospective cohort study, using data linkage of National Neonatal Research Database and the Paediatric Intensive Care Audit Network datasets.

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Background: Survival following extreme preterm birth has improved, potentially increasing the number of children with ongoing morbidity requiring intensive care in childhood. Previous single-centre studies have suggested that long-stay admissions in paediatric intensive care units (PICUs) are increasing. We aimed to examine trends in long-stay admissions (≥28 days) to PICUs in England, outcomes for this group (including mortality and PICU readmission), and to determine the contribution of preterm-born children to the long-stay population, in children aged <2 years.

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Background: To undertake a systematic review of studies describing the proportion of children admitted to a paediatric intensive care unit (PICU) for respiratory syncytial virus (RSV) and/or bronchiolitis who were born preterm, and compare their outcomes in PICU with children born at term.

Methods: We searched Medline, Embase and Scopus. Citations and references of included articles were searched.

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Objective: Examine admissions for bronchiolitis, comparing centres with oxygen saturation thresholds for admission of 90% versus 92%.

Design: Prospective multi-centre service evaluation, all admissions for bronchiolitis during 4-week period, November 2018.

Setting: Paediatric departments across 12 hospitals in the West Midlands, UK.

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Near hanging refers to survival following suspension by the neck. This is a devastating injury which can lead to mortality or serious long-term morbidity. Children and young people present to emergency departments following accidental or deliberate near hanging.

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Objective: Green tea consumption has been associated with many prophylactic health benefits. This study examined for the first time associations between tea consumption and renal function in a Chinese population.

Design And Methods: Cross-sectional baseline data including demographics, and lifestyle and weekly consumption of green, black, and oolong tea were analyzed from 12,428 ambulatory subjects aged 50 to 85 years (67.

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