Publications by authors named "Ruben Witlox"

Introduction: Non-invasive respiratory support strategies have evolved to avoid bronchopulmonary dysplasia (BPD) in preterm infants. However, consensus on the best treatment strategy remains lacking. This study aims to investigate current practices and variations in primary respiratory support for extremely preterm neonates across neonatal intensive care units (NICUs) in the Netherlands.

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Article Synopsis
  • * Among 100 TAPS pregnancies, 32% experienced respiratory distress syndrome (RDS), 13% had bronchopulmonary dysplasia (BPD), and 7% had persistent pulmonary hypertension of the newborn (PPHN), with donors showing a higher incidence of PPHN.
  • * The findings indicated that lower gestational age and severe fetal anaemia are significant risk factors for PPHN in TAPS twins, highlighting the need for specialized medical care during birth to manage potential complications.
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Video review (VR) of procedures in the medical environment can be used to drive quality improvement. However, first it has to be implemented in a safe and effective way. Our primary objective was to (re)define a guideline for implementing interprofessional VR in a neonatal intensive care unit (NICU).

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Background: The goal of every medical team is to provide optimal care for their patients. We aimed to use video review (VR) sessions to identify and address areas for improvement in neonatal care.

Methods: For nine months, neonatal procedures (stabilization at birth, intubations and sterile line insertions) were video recorded and reviewed with the neonatal care providers.

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Objective: To examine the providers' perceptions and experiences on implementation of video review (VR) of procedures in the neonatal intensive care unit (NICU).

Design: Qualitative study using semi-structured interviews with neonatal care providers about their experiences with VR. Interviews were audio-recorded, transcribed and thematically analysed using the data analysis software Atlas.

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Fetal hydrops as detected by prenatal ultrasound usually carries a poor prognosis depending on the underlying aetiology. We describe the prenatal and postnatal clinical course of two unrelated female probands in whom heterozygous missense variants in the planar cell polarity gene were detected using exome sequencing. Using several in vitro assays, we show that the p.

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Aim: In 2017, the Leiden University Medical Centre implemented a secondary alarm system using handheld devices to ensure accurate patient monitoring on the single room NICU. Initially, alarms remained active on the handheld devices until one of the caregivers in the alarm chain accepted the alarm. In 2020, a bidirectional communication protocol (BCP) was implemented, enabling automated withdrawal of resolved alarms.

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Virginia Apgar designed the apgar score during a breakfast with colleagues in response to a discussion about the need to evaluate newborns at birth. She scribbled down the score on a piece of paper and the score has been indispensable ever since, not just for reflecting the clinical condition and to indicate whether intervention was needed, but also to predict outcome. The reliability and validity have been often questioned, also in a recent study.

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As the complexity of emergency care increases, current research methods to improve care are often unable to capture all aspects of everyday clinical practice. Video recordings can visualize clinical care in an objective way. They can be used as a tool to assess care and to reflect on care with the caregivers themselves.

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Article Synopsis
  • * Researchers processed one-per-second oxygen and saturation data into one-per-minute intervals to analyze various statistical outcomes.
  • * Results indicated that one-per-minute data produced outcomes nearly identical to one-per-second data, suggesting that this lower frequency data can be reliably used for retrospective studies and analyses.
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Background: Obtaining ethically valid consent to participate in delivery room (DR) studies from parents facing an imminent premature birth can be challenging. This study aims to provide insight into parental experiences with and perceptions of consent for DR studies.

Methods: Semistructured interviews were conducted with parents of very and extreme preterm infants.

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  • Preterm infants (24-30 weeks gestation) were studied to compare the effects of high initial CPAP levels (12-15 cmHO) that decrease after stabilization (PB-CPAP) versus standard CPAP levels (5-8 cmHO) administered at birth.
  • The trial aimed to assess the feasibility of PB-CPAP and its impact on oxygen saturation (SpO) and other physiological outcomes, but was halted after enrolling 31 infants due to low inclusion rates and conflicting local guidelines.
  • Results showed no significant difference in SpO between the two groups, but PB-CPAP led to higher heart rates and shorter mask ventilation times, with stabilization taking less time, although the differences were not statistically significant for
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Objective: The aim of this study was to determine the experience with, and the feasibility of, point-of-view video recordings using eye-tracking glasses for training and reviewing neonatal interventions during the COVID-19 pandemic.

Design: Observational prospective single-centre study.

Setting: Neonatal intensive care unit at the Leiden University Medical Center.

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Introduction: Retinopathy of prematurity (ROP) remains an important cause for preventable blindness. Aside from gestational age (GA) and birth weight, risk factor assessment can be important for determination of infants at risk of (severe) ROP.

Methods: Prospective, multivariable risk-analysis study (NEDROP-2) was conducted, including all infants born in 2017 in the Netherlands considered eligible for ROP screening by pediatricians.

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Objective: To compare the effect of two different automated oxygen control devices on target range (TR) time and occurrence of hypoxaemic and hyperoxaemic episodes.

Design: Randomised cross-over study.

Setting: Tertiary level neonatal unit in the Netherlands.

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Background: Recording of neonatal resuscitation, including video and respiratory parameters, was implemented for research and quality purposes at the neonatal intensive care unit (NICU) of the Leiden University Medical Center, and parents were offered to review the recording of their infant together with a neonatal care provider. We aimed to provide insight in parental experiences with reviewing the recording of the neonatal resuscitation of their premature infant.

Methods: This study combined participant observations during parental review of recordings with retrospective qualitative interviews with parents.

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Objective: In the Netherlands, the threshold for offering active treatment for spontaneous birth was lowered from 25 to 24 weeks' gestation in 2010. This study aimed to evaluate the impact of guideline implementation on survival and causes and timing of death in the years following implementation.

Design: National cohort study, using data from the Netherlands Perinatal Registry.

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Video and physiological parameter recording of neonatal stabilization was implemented at the Neonatal Intensive Care Unit (NICU) of the Leiden University Medical Center. In order to improve documentation and the quality of care provided during neonatal transition, we implemented weekly plenary audits reviewing recordings of neonatal stabilization in 2014. In audits, provided care is reviewed, discussing, among others, mask technique, compliance to the prevailing local guideline, and clinical decision making and alternative treatment options.

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Background: Automated oxygen control systems are finding their way into contemporary ventilators for preterm infants, each with its own algorithm, strategy and effect.

Objective: To provide guidance to clinicians seeking to comprehend automated oxygen control and possibly introduce this technology in their practice.

Method: A narrative review of the commercially available devices using different algorithms incorporating rule-based, proportional-integral-derivative and adaptive concepts are described and explained.

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Purpose: Compare patients treated for Retinopathy of Prematurity (ROP) in two consecutive periods.

Methods: Retrospective inventory of anonymized neonatal and ophthalmological data of all patients treated for ROP from 2010 to 2017 in the Netherlands, subdivided in period (P)1: 1-1-2010 to 31-3-2013 and P2: 1-4-2013 to 31-12-2016. Treatment characteristics, adherence to early treatment for ROP (ETROP) criteria, outcome of treatment and changes in neonatal parameters and policy of care were compared.

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Evaluate whether weekly audits of neonatal resuscitation using video and physiological parameter recordings improved guideline compliance and documentation in medical records. Neonatal care providers of the Neonatal Intensive Care Unit (NICU) of Leiden University Medical Center reviewed recordings of neonatal resuscitation during weekly plenary audits since 2014. In an observational pre-post cohort study, we studied a cohort of infants born before and after implementation of weekly audits.

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The original version of this Article contained an error in the spelling of the author Pleuntje J. van der Sluijs, which was incorrectly given as Eline (P. J.

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Purpose: Several studies have reported diagnostic yields up to 57% for rapid exome or genome sequencing (rES/GS) as a single test in neonatal intensive care unit (NICU) patients, but the additional yield of rES/GS compared with other available diagnostic options still remains unquantified in this population.

Methods: We retrospectively evaluated all genetic NICU consultations in a 2-year period.

Results: In 132 retrospectively evaluated NICU consultations 27 of 32 diagnoses (84.

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Introduction: The aim of this study is to evaluate long-term neurodevelopmental and respiratory outcome after fetal therapy for fetal pleural effusion, congenital cystic adenomatoid malformation, and bronchopulmonary sequestration.

Methods: Children ≥18 months of age underwent an assessment of neurologic, motor, and cognitive development. Medical records were reviewed to determine respiratory outcome.

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