نتایج جستجو برای: oxygen balance

تعداد نتایج: 346206  

Journal: :Critical care nurse 2002
Barbara E Berry Agnes Eugine Pinard

Although physical examination remains an important part of the nursing assessment, assessment of tissue oxygenation provides additional vital information. Nurses who are caring for patients with compromised functioning must have a basic understanding of the physiological relationships between oxygen saturation, cardiac output, and acid-base balance and must be able to plan nursing care based on...

2013
Heping Zhou Hongyan Xiong Chunhu Gu Tao Chen Hailong Zhu Guocheng Sun

Close monitoring of the balance between oxygen demand and supply is of great importance during cardiac cardiopulmonary bypass (CPB) surgery. This study was to compare conventional intermittent venous blood gas monitoring with continuous transcutaneous oxygen and carbon dioxide monitoring in infant patients undergoing cardiac surgery with CPB. According to paired data from 29 infant patients und...

2015
Ligang Gao Brian Hoskins Madrakhim Zaynetdinov Vladimir Kochergin Dmitri Strukov

The effects of Ti and O implantation on TiO2-x resistive switches are systemically investigated. The forming voltage drops monotonically with Ti implantation dose and forming vanishes completely at 10 ions/cm, whereas oxygen implantation causes a decrease and then increase in forming voltage. The ON/OFF current ratio becomes worse with high Ti implantation due to increased leakage currents thro...

2017
A. Durocher-Jean L. Stafford

Influence of nitrogen, oxygen and hydrogen traces in an atmospheric pressure argon surface-wave plasma was studied by mean of emission spectroscopy. The electron temperature and density were respectively shown to increase and decrease with an increased flow of gas contaminant, the trends being more significant in the case of oxygen. However, Ar 1s2 level number densities remained constant for a...

2005
ALBERT A. KATTUS

In five well-trained and five sedentary control subjects potential subendocardial blood supply was estimated from the diastolic pressure time index (DPTI) and myocardial oxygen demands from the tension time index (TTI) during a progressive near-maximal treadmill test. DPTI/TTi was used to assess the effects of training on myocardial oxygen supply/demand balance. DPTI/1TI was significantly highe...

Journal: :The EMBO journal 2016
José Manuel Morante-Redolat Isabel Fariñas

Microvascular circulation creates a supporting niche for neurogenesis through the secretion of angiocrine factors. The emerging concept that energy balance and metabolic status play a role in the modulation of stem cells suggests that oxygen delivery by nearby capillary vascular beds could also regulate neurogenesis. Blood vessel formation and neuron production proceed in a coordinated fashion ...

Journal: :Organic & biomolecular chemistry 2012
Yingwei Zhao Min Lei Lei Yang Feng Han Zhen Li Chungu Xia

The nucleophilic addition of thiocarbamate imidazolium ylide to aldehyde triggered sequential intramolecular N to O migration of thiocarbonyl amide group and reversible oxygen-sulfur rearrangement to afford 2-imidazolium alkylcarbamothioate. The ortho group on phenyl of aldehyde strongly affects the balance of the O- to S-rearrangement.

Journal: :Cancer discovery 2014
Inmaculada Martínez-Reyes Navdeep S Chandel

Mitochondria generate high levels of reactive oxygen species (ROS) to activate protumorigenic signaling pathways. In parallel, the mitochondria must also increase their antioxidant capacity to lower ROS levels and prevent cancer cell death. In this issue of Cancer Discovery, Ye and colleagues demonstrate that serine catabolism through one-carbon metabolism within the mitochondrial matrix is nec...

2008
Elizabeth A. Mann

We previously demonstrated that a mathematical formula successfully corrects for the effect of hematocrit (HCT) alone, improving glycemic regulation . Studies suggest multiple biologic parameters such as oxygen tension, acid base balance, and various pharmacological agents also affect the accuracy of handheld glucometers 4, . A newly released 4-channel POC analyzer measures and eliminates the m...

Journal: :Critical Care 2004
Jan Bakker Alex Pinto de Lima

Both in emergency and elective surgical patients increased blood lactate levels warn the physician that the patient is at risk of increased morbidity and decreased changes of survival. Prompt therapeutic measures to restore the balance between oxygen demand and supply are warranted in these patients.

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