Results 151 to 160 of about 6,013,910 (239)

The role of acid‐base balance in cerebrovascular and ventilatory responses to CO2 during 10 h normobaric hypoxia

open access: yesThe Journal of Physiology, EarlyView.
Abstract figure legend During 10 h exposures to normobaric hypoxia exposure there was a selective leftward shift in ventilatory response to hyperoxic hypercapnic rebreathing, but not the cerebrovascular response. The key findings are that the resetting of the central chemoreflex to lower PCO2${P_{{\mathrm{C}}{{\mathrm{O}}_2}}}$ during early hypoxic ...
Holly Barclay   +3 more
wiley   +1 more source

Arterial to End-tidal Carbon Dioxide Pressure Difference during Laparoscopic Surgery in Pregnancy

open access: yes, 2000
Background: There is controversy about whether capnography is adequate to monitor pulmonary ventilation to reduce the risk of significant respiratory acidosis in pregnant patients undergoing laparoscopic surgery.
M.D Kodali Bhavani-Shankar   +4 more
core  

Neuromuscular fatigability with repeated exercise in hypoxia: From single‐joint paradigms to sprints

open access: yesThe Journal of Physiology, EarlyView.
Abstract figure legend Acute hypobaric or normobaric hypoxic exposure accelerates neuromuscular fatigability during repeated exercise. Indices of peripheral and central fatigue are not different at exhaustion in mild, moderate and severe hypoxia compared with normoxia, but task failure occurs earlier.
Luca Ruggiero   +5 more
wiley   +1 more source

Ventilatory and cerebrovascular responses to exercise in lowlander children acclimatizing to high‐altitude

open access: yesThe Journal of Physiology, EarlyView.
Abstract figure legend To investigate age‐related differences in ventilatory and cerebrovascular responses to exercise at high‐altitude, adults (n = 10, 23–44 years) and children (n = 8, 7–14 years) completed progressive cycling exercise tests at sea‐level and following 6 days of acclimatization at 3800 m.
J. L. Koep   +11 more
wiley   +1 more source

Transport properties of supercritical carbon dioxide

open access: yes
A review focuses on expts. describing the hydrodynamic behavior and the heat transfer properties of supercrit. CO2 and the application of supercrit.
de Koeijer, Evert   +5 more
core  

Non‐invasive assessment of integrated cardiorespiratory network dynamics after physiological stress in humans

open access: yesThe Journal of Physiology, EarlyView.
Abstract figure legend This study aimed to develop a non‐invasive method for visualizing the cardiorespiratory network under baseline conditions and following isolated or combined exposure to hypoxia, exercise, and sleep deprivation. Twenty‐two healthy participants underwent assessments at rest and after normobaric hypoxia (FIO2${{F}_{{\mathrm{I ...
Cecilia Morandotti   +10 more
wiley   +1 more source

Human placental exposure to pollutant nanoparticles: uptake, translocation and functional impact

open access: yesThe Journal of Physiology, EarlyView.
Abstract figure legend Prenatal exposure to pollutant nanoparticles has been increasingly investigated due to concerns about their potential effects on placental function and pregnancy outcomes. Maternal inhalation of pollutant nanoparticles can result in a pro‐inflammatory response; particles can also translocate across the alveolus epithelial barrier
Katherine L. Bethell   +3 more
wiley   +1 more source

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