Publications by authors named "Hans Ulrich Bucher"

Creative music therapy (CMT) has been shown to promote the development of brain function and structure in preterm infants. We aimed to investigate the effect of CMT on cerebral oxygenation and perfusion to examine how the brain reacts to CMT. Absolute levels of cerebrovascular oxygen saturation (StO) were measured in clinically stable preterm-born neonates (n = 20, gestational age: ≥30 weeks and < 37 weeks) using two near-infrared spectroscopy (NIRS)-based tissue oximeters over the right prefrontal cortex and left auditory cortex.

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Importance: Children born very preterm are at risk for long-term neurodevelopmental sequelae. Prophylactic high-dose recombinant human erythropoietin (rhEpo) shortly after birth has not been shown to improve cognitive, motor, and behavioral development at 2 and 5 years.

Objective: To investigate whether early high-dose rhEpo is associated with better executive functions and processing speed-late-maturing cognitive functions-in school-aged children born very preterm.

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Aim: We tested the feasibility of a future randomised clinical trial (RCT) in which Creative Music Therapy (CMT), a family-integrating individualised approach in neonatal care, could improve neurodevelopment in extremely preterm infants (EPTs).

Methods: In this feasibility trial, 12 EPTs received CMT, while the remaining 19 received standard neonatal care. Socio-demographic data and perinatal complications were compared between groups as risk factors.

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Importance: In light of the promising neuroprotective properties of recombinant human erythropoietin (RHEpo), the Swiss EPO Neuroprotection Trial was started to investigate its effect on neurodevelopment in very preterm infants. The results of the primary and secondary outcome analysis did not show any effect of RHEpo on cognitive performance, neuromotor outcomes, or somatic growth of the study participants at ages 2 or 5 years.

Objective: To investigate whether early high-dose RHEpo improves behavioral outcomes and health-related quality of life (HRQoL) at age 5 years.

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Importance: Intraventricular hemorrhage (IVH) is a major cause of neonatal morbidity and mortality in preterm infants without a specific medical treatment to date.

Objective: To assess the safety and short-term outcomes of high-dose erythropoietin in preterm infants with IVH.

Design, Setting, And Participants: Between April 1, 2014, and August 3, 2018, a randomized double-blind clinical trial enrolled 121 preterm infants (gestational age <32 weeks or birth weight <1500 g) aged 8 or less days with moderate to severe IVH identified by cerebral ultrasonography from 8 Swiss and Austrian tertiary neonatal units.

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Article Synopsis
  • Post-mortem imaging techniques like Virtopsy®—which combines imaging with guided biopsies—are being explored as noninvasive alternatives to traditional autopsies for prenatal and postnatal cases.
  • This study involved 101 cases and found that both Virtopsy and conventional autopsy agreed on the cause of death in 90.1% of cases; however, Virtopsy missed significant pathologies in nearly one-third of cases.
  • The study indicated that while Virtopsy has high sensitivity for determining causes of death, it also has lower specificity, meaning it has a tendency to produce false positives for pathologies that were not confirmed by autopsy.
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Impaired neurodevelopment is increasingly recognized as a major health issue in children born prematurely. Creative music therapy (CMT) intends to prevent and or reduce neurobehavioral deficits in pre-term infants using musical stimulation and socio-emotional co-regulation. We conducted a randomized, clinical pilot CMT trial to test feasibility and to examine long-term neurodevelopmental outcomes in pre-term infants (NCT02434224: https://clinicaltrials.

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Developmental problems in extremely preterm (EP) infants and the associated longitudinal burden for their families are major health issues worldwide. Approaches to social-emotional support such as family-integrating Creative Music Therapy (CMT) are warranted. We aimed: (1) to explore parental perspectives on the use of CMT with EP infants in the neonatal hospitalization period and (2) to examine the possible longitudinal influence of CMT.

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Aim: Due to scarce available national data, this study assessed current attitudes of neonatal caregivers regarding decisions on life-sustaining interventions, and their views on parents' aptitude to express their infant's best interest in shared decision-making.

Methods: Self-administered web-based quantitative empirical survey. All 552 experienced neonatal physicians and nurses from all Swiss NICUs were eligible.

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Premature birth is stressful for infants and parents and can adversely affect the parent-infant dyad. This mixed-methods pilot study evaluates whether creative music therapy (CMT) can alleviate anxiety, stress, and depressive symptoms in parents and support the bonding process with their infant. Sixteen parent couples were included.

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Aims Of The Study: Based on an incidental observation made in the context of the Swiss National Science Foundation (SNSF) Project 67 “End-of-life decision-making in extremely low birth weight infants in Switzerland”, this retrospective multicentre observational study aimed to analyse circumstances of delivery room deaths after late termination of pregnancy (LTOP) in Switzerland over a 3-year period.

Methods: All delivery room deaths (including live and stillbirths) following LTOP among infants with a gestational age between 22 0/7 and 27 6/7 weeks at the nine Swiss level III perinatal centres between 1 July 2012 and 30 June 2015 were analysed. Indications for LTOP were classified as either (a) maternal emergencies or (b) fetal anomalies severe enough to cause significant maternal psychological distress.

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After publication of our article [1] it was brought to our attention that we did not have permission to reproduce the questionnaire in Additional File 1.

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Cognitive and neurobehavioral problems are among the most severe adverse outcomes in very preterm infants. Such neurodevelopmental impairments may be mitigated through nonpharmacological interventions such as creative music therapy (CMT), an interactive, resource- and needs-oriented approach that provides individual social contact and musical stimulation. The aim was to test the feasibility of a study investigating the role of CMT and to measure the short- and medium-term effects of CMT on structural and functional brain connectivity with MRI.

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Three suitable compounds (morphine, chlorpromazine, and phenobarbital) to treat neonatal abstinence syndrome were compared in a prospective multicenter, double-blind trial. Neonates exposed to opioids in utero were randomly allocated to one of three treatment groups. When a predefined threshold of a modified Finnegan score was reached, treatment started and increased stepwise until symptoms were controlled.

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After publication of the original article [1], the corresponding author noticed the given names and family names of the members included in the Swiss Neonatal End-of-Life Study Group were incorrectly reverted.

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The aim was to determine the precision of a noninvasive near-infrared spectroscopy (NIRS)-based tissue oximeter (OxyPrem v1.3). Using a linear mixed-effects model, we quantified the variability for cerebral tissue oxygenation (StO2) measurements in 35 preterm neonates to be 2.

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Objectives: Outcomes of very preterm infants vary considerably between health care facilities. Our objective was to compare outcome and practices between the Swiss Neonatal Network (SNN) and US members of the Vermont Oxford Network (US-VON).

Methods: Retrospective observational study including all live-born infants with a birth weight between 501 and 1500 g as registered by SNN and US-VON between 2012 and 2014.

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Background: In the last 20 years, the chances for intact survival for extremely preterm infants have increased in high income countries. Decisions about withholding or withdrawing intensive care remain a major challenge in infants born at the limits of viability. Shared decision-making regarding these fragile infants between health care professionals and parents has become the preferred model today.

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Article Synopsis
  • * Researchers conducted a chart review of 149 patients who died in 2011 or 2012, revealing that most died in intensive care, often after withdrawing life-sustaining treatment, with significant reliance on invasive interventions and medications.
  • * Findings highlighted varied symptom prevalence among diagnostic groups and showed that while many patients stayed in hospitals during their final weeks, only about half received community-based healthcare at home.
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Background: Preterm birth is associated with increased risk of neurological impairment and deficits in cognition, motor function, and behavioral problems. Limited studies indicate that multi-sensory experiences support brain development in preterm infants. Music appears to promote neurobiological processes and neuronal learning in the human brain.

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Background: Medical personnel working in intensive care often face difficult ethical dilemmas. These may represent important sources of distress and may lead to a diminished self-perceived quality of care and eventually to burnout.

Aims Of The Study: The aim of this study was to identify work-related sources of distress and to assess symptoms of burnout among physicians and nurses working in Swiss neonatal intensive care units (NICUs).

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Placebo effects emerging from the expectations of relatives, also known as placebo by proxy, have seldom been explored. The aim of this study was to investigate whether in a randomized controlled trial (RCT) there is a clinically relevant difference in long-term outcome between very preterm infants whose parents assume that verum (PAV) had been administered and very preterm infants whose parents assume that placebo (PAP) had been administered. The difference between the PAV and PAP infants with respect to the primary outcome-IQ at 5 years of age-was considered clinically irrelevant if the confidence interval (CI) for the mean difference resided within our pre-specified ±5-point equivalence margins.

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Background: Quality improvement in health care requires identification of areas in need of improvement by comparing processes and patient outcomes within and between health care providers. It is critical to adjust for different case-mix and outcome risks of patient populations but it is currently unclear which approach has higher validity and how limitations need to be dealt with. Our aim was to compare 3 approaches towards risk adjustment for 7 different major quality indicators in neonatal intensive care (21 models).

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Question: Extreme prematurity can result in long-term disabilities. Its impact on society is often not taken into account and deemed controversial. Our study examined attitudes of the Swiss population regarding extreme prematurity and people's perspectives regarding the question of solidarity with disabled people.

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