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Adverse Prehospital Events and Outcomes After Traumatic Brain Injury.
JAMA Netw Open
January 2025
Department of Emergency Medicine, The Ohio State University, Columbus.
Importance: While national guidelines recommend avoidance of hypoxia, hypotension, and hypocarbia in the prehospital care of traumatic brain injury (TBI), limited data validate the association of these adverse physiologic events with TBI outcomes.
Objective: To validate the associations of prehospital hypoxia, hypotension, and hypocarbia with TBI outcomes in a US national trauma network.
Design, Setting, And Participants: This cohort study examined data from 8 level I trauma centers and their affiliated ground and air emergency medical services (EMS) agencies in the Linking Investigations in Trauma and Emergency Services (LITES) Network from January 1, 2017, to June 30, 2021.
Comparison of continuous glucose monitoring with self-monitoring of blood glucose in type 1 diabetes in the changing atmospheric pressures in aviation: a hypobaric flight simulation.
Diabetologia
January 2025
Department of Diabetes and Endocrinology, Medical University of Graz, Graz, Austria.
Aim/hypothesis: Pilots with type 1 diabetes are required to perform capillary glucose monitoring regularly during flights. Continuous glucose monitoring (CGM) may be an effective and more practical alternative. This study aimed to assess the accuracy of CGM systems against self-monitoring of blood glucose (SMBG) during a hypobaric flight simulation.
View Article and Find Full Text PDF(Re)assessment of the COSMED Quark CPET and VO2Master Pro Systems for Measuring Pulmonary Gas Exchange and Ventilation.
Scand J Med Sci Sports
February 2025
School of Kinesiology, The University of Western Ontario, London, Ontario, Canada.
We assessed the validity, reliability, and transferability of gas exchange and ventilatory variables from two commonly used metabolic measurement systems (COSMED Quark and VO2Master Pro). Two identical devices from each system were independently connected to a metabolic simulator (VacuMed), and 2 min of steady-state data was recorded at simulated oxygen uptake (V̇O) of 1, 2, 3, and 4 L∙min achieved through minute ventilation (V̇) of 30, 60, 105, and 150 L∙min. Each metabolic analyzer recorded data three times for each "intensity" in a randomized order, and assessments were completed on two separate days.
View Article and Find Full Text PDFOxygen Consumption and Metabolic Equivalents During Physical Activities in Stroke: A Systematic Review.
Physiother Res Int
April 2025
Department of Rehabilitation and Care, Hatsudai Rehabilitation Hospital, Tokyo, Japan.
Background And Purpose: Patient education on physical activity (PA) requires a clear understanding of PA intensity. However, there is no organized list of PAs intensities specific to individuals with stroke. This review aimed to clarify the intensity of PAs in people with stroke and summarize the methodologies and participant characteristics in previous investigations of energy expenditure (EE) during PAs.
View Article and Find Full Text PDFEffect of panretinal photocoagulation on retinal oxygen metabolism and ocular blood flow in diabetic retinopathy.
Acta Ophthalmol
January 2025
Department of Ophthalmology and Physiology, University of Iceland, Reykjavik, Iceland.
Purpose: To investigate the effects of panretinal photocoagulation (PRP) on retinal oxygen metabolism, calibre of retinal vessels, and blood flow velocity in the optic nerve head (ONH) and choroid in patients with severe nonproliferative diabetic retinopathy (NPDR) and proliferative diabetic retinopathy (PDR).
Methods: In this retrospective study, 37 patients (37 eyes) were studied. Retinal oximetry and laser speckle flowgraphy measurements were performed at baseline and after PRP.
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