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https://www.uptodate.com/contents/oxygen-delivery-and-consumption
The oxygen is then transported from the lungs to the peripheral tissues, where it is removed from the blood and used to fuel aerobic cellular metabolism. This process can be conceptualized as three steps: oxygenation, oxygen delivery, and oxygen consumption. In this topic review, oxygen delivery and consumption are reviewed.
https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3380976/
The balance between systemic O 2 consumption (VO 2) and O 2 delivery (DO 2) is impaired in children after cardiopulmonary bypass surgery, with decreased DO 2 and increased VO 2.The major goal, and the major challenge, of postoperative management has been to match DO 2 to VO 2 in order to sustain cellular metabolism, particularly in neonates after the Norwood procedure.Author: Jia Li
http://surgicalcriticalcare.net/Lectures/PDF/oxygen%20calculations.pdf
Oxygen Transport Calculations – M . L. Cheatham, MD, FACS, FCCM Revised 01/14/2009 2 OXYGEN TRANSPORT BALANCE • If oxygen delivery and oxygen consumption are balanced – “Supply” equals “demand” – The cellular requirements of the body are met – N l t b li d i hibit dNorma l me ta b o lic processes procee d un in hibit e d – Anaerobic metabolism is minimizedFile Size: 412KB
https://www.sciencedirect.com/science/article/pii/S0378378212002496
We assessed normal inotropy of the left heart and systemic oxygen delivery values in healthy full-term neonates over the first three days after birth using USCOM. Smith–Madigan inotropy and inotropy index remained stable during the first three days of life and decreased significantly over three days due to a significant decrease in cardiac ...Author: Shao-Ru He, Xin Sun, Cheng Zhang, Zhuang Jian, Yun-Xia Sun, Man-Li Zheng, Yu-Mei Liu, Veronica M. Ma...
https://www.researchgate.net/publication/339273348_Measurement_of_inotropy_and_systemic_oxygen_delivery_in_term_low-_and_very-low-birth-weight_neonates_using_the_Ultrasonic_Cardiac_Output_Monitor_USCOM
Measurement of inotropy and systemic oxygen delivery in term, low- and very-low-birth-weight neonates using the Ultrasonic Cardiac Output Monitor (USCOM)
https://academic.oup.com/bjaed/article/16/10/341/2288629
May 17, 2016 · Global oxygen delivery, or oxygen dispatch, describes the total amount of oxygen delivered to the tissues each minute, and is a product of the cardiac output and arterial oxygen content. Oxygen diffuses from both the alveoli into the pulmonary capillaries and the systemic capillaries into the tissues, according to Fick's laws of diffusion and ...Author: J-Oc Dunn, MG Mythen, MP Grocott, MP Grocott
https://academic.oup.com/bjaed/article/4/4/123/308019
Aug 01, 2004 · Increased oxygen extraction by the tissues occurs during anaemia by improved matching of oxygen delivery to oxygen demand. There is a redistribution of blood flow to areas of high demand, such as the myocardium and the brain. In the microcirculation a number of mechanisms help to maintain tissue oxygenation.Author: S. A. McLellan, T. S. Walsh
http://cdn.intechweb.org/pdfs/26665.pdf
venous oxygen content, and the pressure gradient, to allow the calculation of each parameter of systemic hemodynamics and oxygen transport. Parameters that may be calculated include systemic and pulmonary blood flows (Qs and Qp) and resistances (SVR and PVR), systemic oxygen delivery (DO 2), and oxygen extraction ratio (ERO 2). Importantly,
https://www.ncbi.nlm.nih.gov/pubmed/22457186
While much effort has been put into augmenting cardiac output and DO(2), VO(2)remains largely ignored. Respiratory mass spectrometry allows the precise and continuous measurement of VO(2). Measured VO(2), using the direct Fick principle, allows for the calculation of each element of systemic O(2)transport in the complex Norwood circulation.Author: Jia Li
https://pediatrics.aappublications.org/content/139/4/e20161117
Apr 01, 2017 · Oxygen Delivery. Systemic oxygen delivery is primarily determined by flow and the carrying capacity of blood. Barcroft 4 first described the 3 key determinants of systemic oxygen delivery in 1920. He subsequently classified hypoxemia into: stagnant hypoxia (from low blood flow), anemic hypoxia (from low Hb), or hypoxic hypoxia (from low ...Author: Chad C. Andersen, Chad C. Andersen, Nicolette A. Hodyl, Nicolette A. Hodyl, Haresh M. Kirpalani, Mic...
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