Publications by authors named "Erik Koomen"

Article Synopsis
  • The CRUCIAL trial is studying the impact of allopurinol on brain injury in newborns with critical congenital heart disease (CCHD) undergoing heart surgery.
  • The aim is to understand how the drug is metabolized (pharmacokinetics) during different surgical phases and to see if current dosing achieves effective drug levels.
  • Results showed a complex drug absorption model with a 100% target attainment for allopurinol levels immediately after birth, but varying success rates during the surgical process, indicating adjustments may be needed in administration timing or dosage.
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Article Synopsis
  • The study aimed to see if using intermittent intravenous paracetamol instead of continuous morphine would help kids aged 0-3 years feel less pain after heart surgery.
  • It took place in special hospitals in the Netherlands and Belgium, and involved 208 children who had heart surgery, where they were split into two groups to compare pain relief methods.
  • The results showed that kids who received paracetamol used much less morphine (79% less) for pain relief in the first 48 hours after surgery than those who got only morphine.
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Background: Critical congenital heart disease (cCHD)-requiring cardiac intervention in the first year of life for survival-occurs globally in 2-3 of every 1000 live births. In the critical perioperative period, intensive multimodal monitoring at a pediatric intensive care unit (PICU) is warranted, as their organs-especially the brain-may be severely injured due to hemodynamic and respiratory events. These 24/7 clinical data streams yield large quantities of high-frequency data, which are challenging in terms of interpretation due to the varying and dynamic physiology innate to cCHD.

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Mechanical ventilators are increasingly evolving into computer-driven devices. These technical advancements have impact on clinical decisions in pediatric intensive care units (PICUs). A good understanding of the design of mechanical ventilators can improve clinical care.

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Introduction: Hospitalised paediatric oncology patients are at risk to develop acute complications. Early identification of clinical deterioration enabling adequate escalation of care remains challenging. Various Paediatric Early Warning Systems (PEWSs) have been evaluated, also in paediatric oncology patients but mostly in retrospective or case-control study designs.

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The intensive care unit (ICU) is one of the most technically advanced environments in healthcare, using a multitude of medical devices for drug administration, mechanical ventilation and patient monitoring. However, these technologies currently come with disadvantages, namely noise pollution, information overload and alarm fatigue-all caused by too many alarms. Individual medical devices currently generate alarms independently, without any coordination or prioritisation with other devices, leading to a cacophony where important alarms can be lost amongst trivial ones, occasionally with serious or even fatal consequences for patients.

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Background: Cerebrotendinous xanthomatosis (CTX) is a rare genetic disorder, characterised by chronic diarrhoea, xanthomas, cataracts, and neurological deterioration. CTX is caused by CYP27A1 deficiency, which leads to abnormal cholesterol and bile acid metabolism. Urinary bile acid profiling (increased m/z 627: glucuronide-5β-cholestane-pentol) serves as diagnostic screening for CTX.

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Background: Morphine is worldwide the analgesic of first choice after cardiac surgery in children. Morphine has unwanted hemodynamic and respiratory side effects. Therefore, post-cardiac surgery patients may potentially benefit from a non-opioid drug for pain relief.

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Objective: Postoperative urinary retention (PUR) is associated with overdistension of the bladder. The prevention of PUR by routine catheterization may increase the risk of urinary tract infection. Postoperative monitoring of the bladder volume by ultrasound to prevent PUR is reliable in adults, but has not been evaluated in children.

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A 4-month-old ex-premature infant with severe airway obstruction from subglottic cysts presented for surgical cyst removal. Laryngeal and tracheal surgical procedures in children may present difficulties for the anesthetist because the airway is shared with the surgeon. We report the use of high-frequency jet ventilation (HFJV) to maintain ventilation and provide adequate surgical access.

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Urinary retention occurring after caudal anaesthesia in children has a low incidence. Most children will void within 12 h of surgery, although the incidence of retention is higher after hypospadias repair. However, overdistention causing bladder atony that is temporary, or may become permanent, is described in adults.

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