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Effect of hyperbaric exposure on cognitive performance: an investigation conducting numerical Stroop tasks during a simulated 440 m sea water saturation diving.
J Physiol Anthropol
October 2024
Undersea Medical Center, JMSDF, Tauraminatocho Mubanchi, Yokosuka, Kanagawa, 237-0071, Japan.
Background: Saturation diving (SD) is useful and safe in deep diving for long durations. Japan Maritime Self-Defense Force (JMSDF) Undersea Medical Center (UMC) maintained safely deep 45 ATA SDHowever, cognitive performance was reportedly impaired by hyperbaric exposure in over 31 atmosphere absolute (ATA) SD. This study investigated the effects of hyperbaric exposure during 45 ATA deep SD on expert divers' cognitive function using Stroop tasks, a useful method to examine cognitive function, especially in narrow spaces such as SD chambers.
View Article and Find Full Text PDFOutcomes of heliox use in children with respiratory compromise: A 10-year single institution experience.
Laryngoscope Investig Otolaryngol
October 2024
Department of Otolaryngology-Head and Neck Surgery Feinberg School of Medicine, Northwestern University Chicago Illinois USA.
Objective: Heliox, a mixture of helium and oxygen, has been shown to improve laminar airflow and decrease airway resistance in children. This study aims to describe the outcomes of heliox use in children with respiratory compromise and to identify variables associated with a need for airway surgical intervention.
Methods: A retrospective cohort study of patients who received heliox between 2012 and 2022 at a tertiary care children's hospital.
Heliox ventilation in elderly, hypertensive ICU patients improves microcirculation: A randomized controlled study.
J Crit Care
December 2024
Department of Geriatrics, Fujian Medical University Union Hospital, Fuzhou, Fujian 350001, PR China; Department of Critical Care Medicine, Fujian Medical University Union Hospital, Fuzhou, Fujian 350001, PR China. Electronic address:
Background: Conventional mechanical ventilation has adverse impacts on the hemodynamics of elderly, hypertensive ICU patients. Limited studies have addressed ways to ameliorate these negative effects. This study aimed to determine whether heliox ventilation could improve the hemodynamics, especially microcirculation, of elderly, hypertensive patients undergoing mechanical ventilation.
View Article and Find Full Text PDFPractice Patterns for Acute Asthma Exacerbation in Adult Patients Admitted to U.S. Intensive Care Units.
Ann Am Thorac Soc
October 2024
Pulmonary Center, Department of Medicine, Chobanian & Avedisian School of Medicine, Boston University, Boston, Massachusetts.
Guidelines recommend systemic corticosteroids and inhaled β-agonists for patients with severe asthma exacerbation who are admitted to intensive care units. The benefits and utilization of adjunct treatments after guideline-recommended first-line treatments have been initiated are unclear. Examine practice patterns of adjunct interventions in US intensive care units (ICUs) and their associations with outcomes for adults with severe asthma exacerbations.
View Article and Find Full Text PDFCerebral arterial air embolism (CAE) is a serious and potentially dangerous condition that can interrupt the blood supply to the brain and cause stroke. One of the promising gas mixtures for emergency treatment of air embolism is an oxygen-helium mixture. We modeled CAE in awake rats by injecting air into the common carotid artery.
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