Publications by authors named "Rein Ketelaars"

Purpose: Introducing advanced hemodynamic monitoring might be beneficial during Helicopter Emergency Medical Service (HEMS) care. However, it should not increase the on-scene-time, it should be easy to use and should be non-invasive. The goal of this study was to investigate the feasibility of non-invasive cardiac output measurements by electrical cardiometry (EC) and the quality of the EC signal during pre-hospital care provided by our HEMS.

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Prehospital point-of-care ultrasound used by nonradiologists in emergency medicine is gaining ground. It is feasible on-scene and during aeromedical transport and allows health-care professionals to detect or rule out potential harmful conditions. Consequently, it impacts decision-making in prioritizing care, selecting the best treatment, and the most suitable transport mode and destination.

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Background: The treatment of acute pain in the emergency department is not always optimal. Peripheral nerve blocks using "blind" or nerve stimulator techniques have substantial disadvantages. Ultrasound-guided regional anesthesia may provide quick, safe, and effective pain relief in patients with proximal femoral fractures with severe pain.

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Background: Patients in cardiac arrest must receive algorithm-based management such as basic life support and advanced (cardiac) life support. International guidelines dictate diagnosing and treating any factor that may have caused the arrest or may be complicating the resuscitation. Ultrasound may be of potential value in this process and can be used in a prehospital setting.

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Objective: The aim of this study was to determine the impact of abdominal prehospital ultrasound (PHUS) on patient care in a Dutch physician-staffed Helicopter Emergency Medical Service (HEMS) and to determine its diagnostic performance.

Patients And Methods: We carried out a retrospective analysis of abdominal ultrasound (US) examinations performed by the HEMS of Nijmegen, the Netherlands, from January 2007 until December 2016. Data including patient demographics, type of incident, abdominal US findings, impact on treatment decisions, and the physicians' narrative report were retrieved from the HEMS database and analyzed.

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With great interest, we read the study of Line Dussourd et al. concluding that ultrasonography allows better identification of anatomical structures before performing a lumbar puncture. We cannot concur with the conclusions of the study because the authors did not visualize the conus medullaris directly, nor did they assess the individual intervertebral levels.

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Article Synopsis
  • Rigid cervical collars can raise intracranial pressure (ICP) in severe traumatic brain injury (TBI) cases, leading to their removal from some trauma protocols in the Netherlands.
  • This study tested the collar's effect on ICP in 45 healthy volunteers, using optical nerve sheath diameter (ONSD) as a noninvasive way to estimate pressure changes.
  • Results showed a significant increase in ONSD after applying the collar, suggesting a potential rise in ICP, but the impact appears minor in healthy individuals, indicating further research is needed for those with mild or moderate TBI.
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A 44-year-old man presented to our emergency department with a pharyngeal hemorrhage, 6 weeks after a total laryngectomy and extensive neck dissection. Immediate surgical intervention was necessary to stop massive arterial hemorrhage from the pharynx. The head and neck surgeon successfully ligated the common carotid artery during this procedure.

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Objective: Until recently, traumatic cardiac arrest (tCA) was believed to be associated with high mortality and low survival rates. New data suggest better outcomes. The most common error in tCA management is failing to treat a tension pneumothorax (TP).

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Background: Due to advancements in technology, the use of a portable ultrasound (US) machine in the out-of-hospital setting is increasingly feasible. It has diagnostic and therapeutic advantages and may improve the management and treatment of patients. It can be used in-flight and can be easily taught to flight clinicians who have little previous experience with this modality.

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Haemangiomas of infancy are common benign endothelial neoplasms that affect roughly 1:10 children. Treatment is indicated in complicated cases. We have evaluated treatment in a multidisciplinary setting.

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