Results 71 to 80 of about 10,602 (234)

Exercise‐induced potentiation of the acute hypoxic ventilatory response: Neural mechanisms and implications for cerebral blood flow

Experimental Physiology
A given dose of hypoxia causes a greater increase in pulmonary ventilation during physical exercise than during rest, representing an exercise‐induced potentiation of the acute hypoxic ventilatory response (HVR). This phenomenon occurs independently from
Diogo M. Oliveira, Anas Rashid, Patrice Brassard, Bruno M. Silva   +3 more
doaj   +1 more source

Cerebrovascular regulation during heat stress

Experimental Physiology, EarlyView.
Abstract Given that the brain is a highly metabolic organ and is enclosed by the skull, effective regulation of cerebral blood flow (CBF), not only for oxygen and nutrients supply but also as a means of convective heat exchange, is critical for preventing excessive elevations in brain temperature.
Kanoko Ito, Manabu Shibasaki
wiley   +1 more source

Changes in Optic Nerve Sheath Diameter in Response to Various Levels of End-Tidal Carbon Dioxide in Healthy Patients under General Anesthesia

Journal of Neuroanaesthesiology and Critical Care, 2018
Background Intracranial pressure (ICP) monitoring is an essential component in management of traumatic brain-injured (TBI) patients. While invasive techniques are associated with many complications, noninvasive nature of ultrasonographic measurement of ...
Indu Kapoor, Ankur Khandelwal, Charu Mahajan, Hemanshu Prabhakar, Parmod Kumar Bithal   +4 more
doaj   +1 more source

Brain strain: Blood flow and metabolism in environmental extremes

Experimental Physiology, EarlyView.
Abstract This narrative review compares and contrasts the most commonly encountered environmental stressors on human cerebrovascular functioning. From high altitude and space, extreme apnoea, heat and cold stress, the impact of these stressors on the regulation of cerebral blood flow (CBF) and oxygen metabolism (CMRO2${\mathrm{CM}}{{\mathrm{R}}_ ...
Dario Vrdoljak, Damian M. Bailey, Travis D. Gibbons, Philip N. Ainslie   +3 more
wiley   +1 more source

Heart Rate Variability Biofeedback in the Management of TMD and Bruxism: Case Report

Journal of the California Dental Association
A CDA C.E. quiz is online for this article: www.cdapresents360.com/learn/catalog/view/20The practice worksheet is available online: https://doi.org/10.1080/19424396.2026.2656104.
David Cheng
doaj   +1 more source

The Value of High Frequency Oscillatory Ventilation Combined with Volume Guarantee in Extremely Preterm Infants with Respiratory Distress Syndrome [PDF]

Zhongguo quanke yixue
Background Early hypocapnia in extremely preterm infants is associated with intraventricular hemorrhage (IVH) and bronchopulmonary dysplasia (BPD). The results of foreign studies show that high frequency oscillatory ventilation combined with volume ...
LOU Wubin, LI Fang, ZHANG Weixing, SHEN Jie
doaj   +1 more source

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

The 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, Saptarshi Mukerji, Bengt Kayser, Jui‐Lin Fan   +3 more
wiley   +1 more source

Predictors of mortality in severe and critical coronavirus disease 2019 patients: Mansoura University Hospital experience

Egyptian Journal of Chest Disease and Tuberculosis
Background Coronaviruses are important human and animal pathogens. Certain demographic factors were linked with a higher rate of a severe clinical course of coronavirus disease 2019.
Hadeer M. El Ghannam, Raed E. Ali, Lucy A. Suliman, Mohamed A. Tohlob   +3 more
doaj   +1 more source

Moderate hypercapnia exerts beneficial effects on splanchnic energy metabolism during endotoxemia [PDF]

, 2018
Purpose: Low tidal volume ventilation and permissive hypercapnia are required in patients with sepsis complicated by ARDS. The effects of hypercapnia on tissue oxidative metabolism in this setting are unknown.
Boulat, Olivier, Feihl, François, Gnaegi, Alex, Liaudet, Lucas, Waeber, Bernard   +4 more
core  

Chemoreception and neuroplasticity in respiratory circuits [PDF]

, 2017
The respiratory central pattern generator must respond to chemosensory cues to maintain oxygen (O2) and carbon dioxide (CO2) homeostasis in the blood and tissues. To do this, sensorial cells located in the periphery and central nervous system monitor the
Abdala, Ana P., Barnett, William H., Molkov, Yaroslav I., Paton, Julian F.R., Rybak, Ilya A., Zoccal, Daniel B.   +5 more
core   +3 more sources