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Physiological effects of nasal high flow therapy during exercise in patients with chronic obstructive pulmonary disease: A crossover randomised controlled trial.
Pulmonology
December 2025
Sorbonne Université, INSERM, UMRS1158 Neurophysiologie Respiratoire Expérimentale et Clinique, Paris, France.
Background: Nasal high flow (NHF) has been proposed to sustain high intensity exercise in people with COPD, but we have a poor understanding of its physiological effects in this clinical setting.
Research Question: What is the effect of NHF during exercise on dynamic respiratory muscle function and activation, cardiorespiratory parameters, endurance capacity, dyspnoea and leg fatigue as compared to control intervention.
Study Design And Methods: Randomized single-blind crossover trial including COPD patients.
Can a single coastal tide gauge help predict internal solitary wave activity offshore.
Sci Rep
January 2025
Laboratoire d'Océanographie Physique et Spatiale (LOPS), IUEM, CNRS, Ifremer, IRD, University of Brest, 29280, Plouzané, France.
Internal solitary waves (ISWs) propagate in stratified waters, enhancing diapycnal mixing, sediment and mass transport on shelves. They have typical wavelengths of hundreds of meters and tens of minutes periods, requiring high resolution and high frequency measurements for their sampling. But such in-situ measurements are scarce and ISWs remain largely unpredictable.
View Article and Find Full Text PDFAmerican alligators (Alligator mississippiensis) as wetland ecosystem carbon stock regulators.
Sci Rep
January 2025
U.S. Geological Survey, Wetland and Aquatic Research Center, 700 Cajundome Boulevard, Lafayette, LA, 70506, USA.
Blue carbon refers to organic carbon sequestered by oceanic and coastal ecosystems. This stock has gained global attention as a high organic carbon repository relative to other ecosystems. Within blue carbon ecosystems, tidally influenced wetlands alone store a disproportionately higher amount of organic carbon than other blue carbon systems.
View Article and Find Full Text PDFEnd-tidal carbon dioxide-guided extracorporeal cardiopulmonary resuscitation improves neurological prognosis in patients: a single-center retrospective cohort study.
Braz J Anesthesiol
January 2025
Zhongshan City People's Hospital, Department of Anesthesiology, Zhongshan, China.
Background: Extracorporeal Cardiopulmonary Resuscitation (ECPR) is an effective intervention for restoring adequate circulatory perfusion after cardiac arrest. Ensuring high-quality Cardiopulmonary Resuscitation (CPR) before initiating Extracorporeal Membrane Oxygenation (ECMO) is critical to mitigate tissue hypoxia and ischemia. This study aimed to evaluate the effect of End-Tidal Carbon Dioxide (ETCO) Goal-Directed CPR (GDCPR) on neurological function before ECMO using a retrospective case-control analysis.
View Article and Find Full Text PDFTowards the Measurement of Sea-Ice Thickness Using a Time-Domain Inductive Measurement System.
Sensors (Basel)
January 2025
Department of Electronic and Electrical Engineering, University of Manchester, Manchester M13 9PL, UK.
Frequency-domain electromagnetic induction (EMI) is routinely used to detect the presence of seawater due to the inherent electrical conductivity of the seawater. This approach is used to infer sea-ice thickness (SIT). A time-domain EMI sensor is presented, which demonstrates the potential for correlating the spectroscopic properties of the received signal with the distance to the sea surface.
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