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https://jamanetwork.com/journals/jama/fullarticle/408786
Oct 13, 1993 · —To determine the critical oxygen delivery threshold for anaerobic metabolism and to compare its value between septic and nonseptic critically ill patients. Design. —Cohort analytic study, consecutive sample. Setting. —Two tertiary care medical and surgical intensive care units in university hospitals. Patients.Author: Juan J. Ronco, John C. Fenwick, Martin G. Tweeddale, Barry R. Wiggs, P. Terry Phang, D. James Cooper...
https://www.scholars.northwestern.edu/en/publications/the-concept-of-a-critical-oxygen-delivery
In healthy tissues, decreases in oxygen delivery (QO n) do not lower oxygen consumption (VO 2) because tissue O 2 extraction increases proportionately. When delivery is reduced below a critical threshold, VO 2 falls because tissue extraction exceeds a critical threshold, and cannot compensate for the reduction in delivery. In the adult respiratory distress syndrome and perhaps in septicemia ...Author: P. T. Schumacker, S. M. Cain
https://www.ncbi.nlm.nih.gov/pubmed/3301969
When delivery is reduced below a critical threshold, VO2 falls because tissue extraction exceeds a critical threshold, and cannot compensate for the reduction in delivery. In the adult respiratory distress syndrome and perhaps in septicemia, tissue extraction capacity is impaired, leading to O2 supply dependency despite normal or increased overall delivery.Author: P. T. Schumacker, S. M. Cain
http://europepmc.org/abstract/MED/8411504
Nov 01, 1993 · To determine the critical oxygen delivery threshold for anaerobic metabolism and to compare its value between septic and nonseptic critically ill patients.Cohort analytic study, consecutive sample.Two tertiary care medical and surgical intensive care units in university hospitals.Nine septic and nine nonseptic critically ill humans.Author: Juan J. Ronco, John C. Fenwick, Martin G. Tweeddale, Barry R. Wiggs, P. Terry Phang, D. James Cooper...
https://anesthesiology.pubs.asahq.org/article.aspx?articleid=1945999
Critical Oxygen Delivery in Conscious Humans Is Less Than 7.3 ml O2· kg−1· min−1 You will receive an email whenever this article is corrected, updated, or cited in the literature. You can manage this and all other alerts in My AccountAuthor: Jeremy A. Lieberman, Richard B. Weiskopf, Scott D. Kelley, John Feiner, Mariam Noorani, Jacqueline L...
https://academic.oup.com/bjaed/article/4/4/123/308019
Aug 01, 2004 · The ‘critical’ haemoglobin concentration is that below which tissue hypoxia occurs; it is ∼50 g litre −1 in healthy humans. Most stable perioperative and critically ill patients can be managed with a haemoglobin transfusion threshold of 70 g litre −1.Author: S. A. McLellan, T. S. Walsh
https://litfl.com/oxygen-saturation-targets-in-critical-care/
Apr 09, 2019 · The key limitation of SpO2 is that it is only one component of the determinants of oxygen delivery (DO2), which also depends on haemoglobin concentration and cardiac output. Furthermore, it does not indicate if DO2 is adequate for tissue demands, which can be shown by the oxygen extraction ratio …
https://www.ncbi.nlm.nih.gov/pubmed/25974416
May 15, 2015 · Many consider 184 mL/m/min to be the oxygen delivery (DO2) threshold below which oxygen consumption (VO2) begins to decrease. We describe a critically ill Jehovah's Witness patient who tolerated a much lower level of DO2, coupled with severe acute anemia that persisted for >10 days without any sequelae.Author: Tao Hong, Aryeh Shander, Shvetank Agarwal, Manuel Castresana
https://www.researchgate.net/publication/51366281_Experimental_analysis_of_critical_oxygen_delivery
critical oxygen delivery and criti cal hemoglobin can be estimated by multiple variables collected simultaneously. Rats were subjected to transfusi on with either fresh or stored blood and then
https://www.rch.org.au/rchcpg/hospital_clinical_guideline_index/Oxygen_delivery/
Tachycardia, cyanosis) may not routinely require oxygen therapy in most cases. The threshold for oxygen therapy can vary with the child’s general state and point in the illness. There is no physiological basis for the application of low flow oxygen therapy to a …
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