Tags Archives: oxygen

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Myelin sheaths can act as compact temporary oxygen storage units as modeled by an electrical RC circuit model

Abstract Oxygen is crucial for mitochondrial energy production in neurons and is efficiently stored and transported within the hydrophobic core of phospholipid bilayers. Using a diffusive model derived from molecular..

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Guidelines for the Use of 100% Oxygen on Ventilator and Cardiopulmonary Bypass: Balancing Safety and Harm

Introduction Oxygen is vital to life and a central element of cardiopulmonary support. During cardiac surgery—whether on mechanical ventilation or cardiopulmonary bypass (CPB)—100% oxygen is often used out of tradition..

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A versatile delivery vehicle for cellular oxygen and fuels or metabolic sensor? A review and perspective on the functions of…

Abstract A canonical view of the primary physiological function of myoglobin (Mb) is that it is an oxygen (O2) storage protein supporting mitochondrial oxidative phosphorylation, especially as the tissue O2 partial..

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The Effect of Hyperoxemia on Neurological Outcomes of Adult Patients: A Systematic Review and Meta-Analysis

Abstract Hyperoxemia commonly occurs in clinical practice and is often left untreated. Many studies have shown increased mortality in patients with hyperoxemia, but data on neurological outcome in these patients..

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Noninvasive Urine Oxygen Monitoring and the Risk of Acute Kidney Injury in Cardiac Surgery

Abstract Background Acute kidney injury (AKI) is a common complication of cardiac surgery. An intraoperative monitor of kidney perfusion is needed to identify patients at risk for AKI. The authors..

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Evaluating Pulmonary Function: An Assessment of Pao2/Fio2

Abstract Objectives:  Pao2/Fio2 is used commonly for diagnosis of lung injury (acute respiratory distress syndrome and transfusion-related acute lung injury), for assessment of pulmonary disease course and therapy, and in pulmonary..

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Physiology of oxygen transport

Abstract Oxygen is vital for life-sustaining aerobic respiration in humans and is arguably the most commonly administered drug in anaesthesia and critical care medicine. Within the mitochondrial inner membrane, oxygen..

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Combined Cerebral and Renal Near-Infrared Spectroscopy After Congenital Heart Surgery

Abstract The maintenance of an adequate oxygen supply to tissues after congenital heart surgery is essential for good outcomes. The objective of this study was to assess the usefulness of..

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Protection strategies during cardiopulmonary bypass

Abstract Purpose of review  To provide an update of research findings regarding the protection strategies utilized for patients undergoing cardiopulmonary bypass (CPB), including perioperative ventilatory strategies, different anesthetic regimens, and..

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Biological Effects of The Oxygen Molecule in Critically Ill Patients

Abstract The medical use of oxygen has been widely and frequently proposed for patients, especially those under critical care; however, its benefit and drawbacks remain controversial for certain conditions. The..

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