Glutathione measurements in blood samples are influenced by oxygen saturation
نویسندگان
چکیده
منابع مشابه
Measurements of Cerebral Arterial Oxygen Saturation
This pilot investigation was undertaken to assess the performance of a novel fiber-optic cerebral pulse oximetry system. A fiber-optic probe designed to pass through the lumen of a cranial bolt of the type used to make intracranial pressure measurements was used to obtain optical reflectance signals directly from the brain tissue. Preliminary results from seven patients measured in the operatin...
متن کاملInvestigation of oesophageal photoplethysmographic signals and blood oxygen saturation measurements in cardiothoracic surgery patients.
Pulse oximeter probes attached to the finger may fail to estimate blood oxygen saturation (SpO2) in patients with compromised peripheral perfusion (e.g. hypothermic cardiopulmonary bypass surgery). The measurement of SpO2 from a central organ such as the oesophagus is suggested as an alternative to overcome this problem. A reflectance oesophageal pulse oximeter probe and a processing system imp...
متن کاملMisunderstanding the arterial blood oxygen saturation
Case report An 88-year-old woman was admitted to the emergency department of our hospital with an itchy skin rash that developed while she was on antibiotics (quinolones), administered for an episode of acute cystitis, asthenia and fever. She was suspected to have an allergic reaction and treated with i.v. methylprednisolone 40 mg per day. After 24 hours, skin rash and fever had subsided and th...
متن کاملQuantitative in vivo measurements of blood oxygen saturation using multiwavelength photoacoustic imaging
Multiwavelength photoacoustic imaging was used to make spatially resolved measurements of blood oxygen saturation (sO2) in vivo. 2D cross-sectional images of the initial absorbed optical energy distribution in the finger were acquired at near-infrared wavelengths using a photoacoustic imaging system. Using the structural information from these images, a 2D finite element forward model of the li...
متن کاملA photometric method for estimating the oxygen saturation of small blood samples.
Since Kramer (1933) investigated the optical properties ofhemoglobin/oxyhemoglobin solutions, many methods have been proposed for the photometric estimation of the oxygen saturation of blood. A new method can only be advocated if it offers economy of apparatus or reagents, greater ease of performance, or the elimination of sources of error. It is upon these grounds that the following method is ...
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ژورنال
عنوان ژورنال: European Journal of Applied Physiology
سال: 2009
ISSN: 1439-6319,1439-6327
DOI: 10.1007/s00421-009-1196-1