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| http://dx.doi.org/10.4266/acc.2021.01739 | DOI Listing |
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Hemodynamics in chronic pain: A pathway to multi-modal health risks.
PLoS One
December 2024
Department of Psychology, University of Jaén, Jaén, Spain.
Article Synopsis
- * The research highlights how imbalances in cardiac preload and afterload affect blood pressure regulation in chronic pain patients, leading to increased cardiac strain and reduced venous blood return.
- * Findings suggest that this strain can increase susceptibility to tissue hypoperfusion and chronic inflammation, with potential applications for monitoring and diagnosing at-risk individuals through wearable technology.
G-Induced Loss of Consciousness Prediction Using a Support Vector Machine.
Aerosp Med Hum Perform
January 2024
Gravity-induced loss of consciousness (G-LOC) is a major threat to fighter pilots and may result in fatal accidents. The brain has a period of 5-6 s from the onset of high +G exposure, called the functional buffer period, during which transient ischemia is tolerated without loss of consciousness. We tried to establish a method for predicting G-LOC within the functional buffer period by using machine learning.
View Article and Find Full Text PDFGravity-induced ischemia in the brain and prone positioning for COVID-19 patients breathing spontaneously: still far from the truth!
Acute Crit Care
February 2022
Department of Intensive Care, Habib Bourguiba University Hospital and Sfax University, Sfax, Tunisia.
Gravity-induced ischemia in the brain-and prone positioning for COVID-19 patients breathing spontaneously.
Acute Crit Care
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Anatomic Pathology, Lino Rossi Research Center, Department of Biomedical, Surgical and Dental Sciences, University of Milan, Milan, Italy.
Cerebral hemodynamics and brain oxygen changes related to gravity-induced loss of consciousness in rhesus monkeys.
Neurosci Lett
February 2003
Institut de Médecine Aérospatiale du Service de Santé des Armées, Département Physiologie, BP 73, 91223 Brétigny-sur-Orge Cedex, France.
The aim of the present experiment was to study the influence of +Gz acceleration (head-to-foot inertial forces) onset on cerebral oxygenation changes (cerebral oxy- and deoxy-hemoglobin) and cerebral blood volume (CBV) in order to evaluate the role of cerebral hypoxemia and ischemia in the appearance of +Gz-induced loss of consciousness (G-LOC). We used five rhesus monkeys which were equipped with near infrared spectroscopy optodes fixed onto the parietooccipital cranial bone. G-LOC (isoelectric electrocorticogram) was detected with silver balls electrodes in contact with the dura matter.
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