2016 oxygen. Medical search. Frequent questions

By Dotson GS, Maier A, Parker A, Haber L. Cincinnati, OH: US Department of Health and Human Services, Centers for Disease Control and Prevention, National Institute for Occupa- tional Safety and Health, DHHS (NIOSH) Publication 2016-171. (cdc.gov)
For example, on January 4, 2016, NIOSH and the Mine Safety and Health Administration (MSHA) approved the first large-capacity (Cap 3) CCER for use in underground coal mining . (cdc.gov)

In recent years, evidence has been accumulating about the neuroplasticity effects of hyperbaric oxygen therapy (HBOT). (frontiersin.org)
We plan to include all relevant randomised clinical trials assessing the effects of hyperbaric oxygen therapy in the treatment of diabetic foot ulcer versus any control group with any intervention defined as standard wound care or similar, together with sham interventions. (bmj.com)

Hyperbaric oxygen therapy (HBOT) is breathing 100% oxygen while under increased atmospheric pressure. (medscape.com)
The military continued work with hyperbaric oxygen. (medscape.com)
In hyperbaric oxygen therapy (HBOT), the subject is placed in a chamber containing 100% oxygen gas at a pressure of more than one atmosphere absolute. (mdpi.com)
In the current case report, we used both task-based and resting state functional MRI (fMRI) tools to investigate the neural response mechanisms and functional reorganization underlying hyperbaric oxygen therapy (HBOT)-induced motor rehabilitation in a chronic post-stroke patient suffering from severe upper-limb motor impairment. (frontiersin.org)
High-pressure (hyperbaric) oxygen therapy has been proposed as treatment for these ASD symptoms. (cochrane.org)
We reviewed the evidence on effects of high-pressure (hyperbaric) oxygen therapy among children and adults with ASD. (cochrane.org)
However, children who received high-pressure (hyperbaric) oxygen therapy showed an increased occurrence of ear barotrauma events when compared with those in the control group. (cochrane.org)
To date, there is no evidence that hyperbaric oxygen therapy improves core symptoms and associated symptoms of ASD. (cochrane.org)
Given the absence of evidence of effectiveness and the limited biological plausibility and possible adverse effects, the need for future RCTs of hyperbaric oxygen therapy must be carefully considered. (cochrane.org)
It has been suggested that hyperbaric oxygen therapy may alleviate the biochemical dysfunction and clinical symptoms of ASD. (cochrane.org)
We selected randomized controlled trials (RCTs) and quasi-RCTs of any dose, duration, and frequency for hyperbaric oxygen therapy compared with no treatment or sham treatment for children and adults with ASD. (cochrane.org)
We included one trial with a total of 60 children with a diagnosis of ASD who randomly received hyperbaric oxygen therapy or a sham treatment. (cochrane.org)
With regard to the safety of hyperbaric oxygen therapy (adverse events), they reported minor-grade ear barotrauma events. (cochrane.org)
Preliminary studies have indicated that systemic treatment of diabetic foot ulcer patients with hyperbaric oxygen therapy have beneficial effects on wound healing, risk of amputation, glycaemic control, atherosclerosis, inflammatory markers and other clinical and laboratory parameters. (bmj.com)
This protocol for a systematic review aims at identifying the beneficial and harmful effects of adding hyperbaric oxygen therapy to standard wound care for diabetic foot ulcers. (bmj.com)
Hyperbaric oxygen therapy may also be used, especially if the infection is due to anaerobic organisms, although evidence to support or refute its value is lacking. (medscape.com)
[ 10 , 11 ] One can consider combining appropriate intravenous antibiotic therapy with conservative surgery and hyperbaric oxygen and negative-pressure wound therapy in an effort to preserve vital tissues and control the advancing infection. (medscape.com)

Routinely administering supplemental oxygen to all patients with chest pain could be a mistake, clinicians argued. (medpagetoday.com)
T]he common practice of keeping oxygen 'for comfort' in nonhypoxic patients is questionable," they wrote, suggesting that supplemental oxygen in some cases is "too much of a good thing. (medpagetoday.com)
In an invited commentary , Nick Fitterman, MD , of Long Island Jewish Medical Center, N.Y., pointed to physiologic studies linking supplemental oxygen with increased coronary vascular resistance and a reduction in coronary blood flow. (medpagetoday.com)
Supplemental oxygen is associated with the development of reactive oxygen species that increase oxidative stress and can directly be arrhythmogenic," he wrote. (medpagetoday.com)
Cormier M and Lee TC "Chest pain and supplemental oxygen: too much of a good thing? (medpagetoday.com)
I'd be literally having to force myself after that 15th breath to take the next step," said Ed Viesturs, the only American who has stood atop all 14 of the world's 8,000-meter peaks - and he scaled them all without using supplemental oxygen. (independent.co.uk)
Most people who climb Everest begin using supplemental oxygen - just 'oxygen', in climbing terms - at around 23,000 feet (about 7,000 meters). (independent.co.uk)
Every year, more than 1.5 million Americans use supplemental oxygen therapy at home to treat their COPD (chronic obstructive pulmonary disease). (apria.com)
Keep your doctor's contact information as well as the company that supplies your supplemental oxygen close by. (apria.com)

Even though it was established that his oxygen saturation exceeded 95%, healthcare providers continued to oxygenate him . (medpagetoday.com)
Preductal and postductal oxygen saturation measurements via pulse oximetry will often show a 10% or higher gradient difference, which is dependent on the magnitude of left-to-right shunting at the foramen ovale (with preductual saturations being higher). (medscape.com)
0000-0003-2466-9908 reductions in RF, HR and pain level, as well as an increase in oxygen saturation and axillary temperature. (bvsalud.org)

Researchers from the University of Manchester, University of North Texas - Denton, and the Rockefeller Wildlife Refuge - Grand Chenier, Louisiana teamed up to explore the effects of exposure to low oxygen on embryonic American alligators (Alligator mississippiensis). (scienceblogs.com)
Exposure times to oxygen at different depths of water (and, hence, different levels of pressure) were quantified and tested based on time to convulsions. (medscape.com)
Annealing of the samples after oxygen exposure only partially recovers the original graphene structure and results in the formation of a dense pattern of quasi-periodic, nanometer-sized holes. (lu.se)
Additionally, CCERs under this standard must include thermal exposure indicators as well as indications of damage to oxygen storage systems or carbon dioxide scrubbing systems. (cdc.gov)
MMWR: Interim Guidelines for Health Care Providers Caring for Pregnant Women and Women of Reproductive Age with Possible Zika Virus Exposure - United States, 2016 Updated guidelines include a new recommendation to offer serologic testing to asymptomatic pregnant women (women who do not report clinical illness consistent with Zika virus disease) who have traveled to areas with ongoing Zika virus transmission. (cdc.gov)

Sleeping is difficult because less oxygen reaches the sleep centers of the brain.Lack of sleep and lack of oxygen combine to impair thinking and cloud judgment. (independent.co.uk)

During this COCA Call, clinicians learned about 2015-2016 influenza activity, heard an overview of CDC's current recommendations for vaccination and antiviral medications, and gained insight into data supporting the recommendations. (cdc.gov)

This article is devoted to helping you understand how to store and use oxygen safely in your home so you can benefit from this important therapy," says Lesley Williams, Apria's Market Clinical Trainer and a registered respiratory therapist. (apria.com)
Rare unstable and low oxygen affinity haemoglobin variant, Hb Hazebrouck, detected on Sysmex XN-9000" Clinical Chemistry and Laboratory Medicine (CCLM) , vol. 60, no. 5, 2022, pp. e116-e118. (degruyter.com)
[ 11 ] However, it is difficult to measure Vȯ 2 and cardiac output, and they are rarely measured outside of research investigations, despite the suggestion that measurement of cardiac output and oxygen delivery would improve clinical outcomes of critically ill children. (medscape.com)

Perovskite oxides are active room-temperature bifunctional oxygen electrocatalysts in alkaline media, capable of performing the oxygen reduction reaction (ORR) and oxygen evolution reaction (OER) with lower combined overpotentials relative to their precious metal counterparts. (osti.gov)
In this work, we find that carbon plays an important synergistic role in improving the performance of La 1-x Sr x CoO 3-δ (0 ≤ x ≤ 1) electrocatalysts through the activation of O 2 and spillover of radical oxygen intermediates, HO 2 - and O 2 -, which is further reduced through chemical decomposition of HO 2 - on the perovskite surface. (osti.gov)
Efficient electrocatalysts for the oxygen evolution reaction (OER) are paramount to the development of electrochemical devices for clean energy and fuel conversion. (nature.com)
Benchmarking hydrogen evolving reaction and oxygen evolving reaction electrocatalysts for solar water splitting devices. (nature.com)

Transition metal-nitrogen-carbon catalysts have been well-established as the most promising alternatives for oxygen reduction reaction catalysis. (rsc.org)
His research focuses on the fundamental understanding of electrochemical reactions and organic electrosynthesis including various oxygen-atom functionalization catalysis, asymmetric synthesis, biochemical reactions. (rsc.org)

Recently, it has been posited that the oxygen effect involves radiation exposures of cells causing their mitochondria to produce greater amounts of reactive oxygen species. (wikipedia.org)
Targeting on Asymmetric Dimethylarginine-Related Nitric Oxide-Reactive Oxygen Species Imbalance to Reprogram the Development of Hypertension. (bvsalud.org)
Asymmetric dimethylarginine (ADMA), an endogenous nitric oxide (NO) synthase inhibitor, can regulate the NO- reactive oxygen species (ROS) balance, and is involved in the development of hypertension . (bvsalud.org)

Therefore, the patient cannot benefit from most of the positive effects of HBOT, which are systemic or occur at a level deeper than topical oxygen can penetrate (see Hyperbaric Physics and Physiology section below). (medscape.com)

In the case of oxygen generation a zeolite-based sieve forces preferential adsorption for nitrogen. (wikipedia.org)
Oral oxygen adsorption method: if patient nasal obstruction or mouth breathing, can oral oxygen uptake, i.e., be put into a biggish conduit Oral cavity oxygen uptake. (google.com)
The effect of atomic oxygen adsorption on the structure and electronic properties of monolayer graphite (MG or graphene) grown on Pt(111) and Ir(111) has been studied using X-ray photoelectron spectroscopy, near-edge X-ray absorption fine structure spectroscopy, and scanning tunneling microscopy. (lu.se)
For comparison, the adsorption of atomic oxygen on highly oriented pyrolytic graphite has been studied under the same conditions. (lu.se)

NTK oxygen sensors heat up rapidly to meet requirements of the vehicle to improve fuel economy and reduce emissions. (ngk.com)
All NGK/NTK oxygen sensors have OEM specified connectors and attaching hardware for easy installation. (ngk.com)

The OER is traditionally defined as the ratio of radiation doses during lack of oxygen compared to no lack of oxygen for the same biological effect. (wikipedia.org)
That marked lack of oxygen, called hypoxia, causes a cascade of physical effects, Hackett said. (independent.co.uk)
Severe meconium aspiration can lead to a lack of oxygen to the baby's brain, hypoxic ischemic encephalopathy , HIE, permanent brain damage and cerebral palsy . (klinespecter.com)

One hypothesis is that erosion rates have increased globally, and rocks that are being weathered pull oxygen out of the atmosphere, much like iron binds to oxygen as it rusts. (inhabitat.com)
The researchers, working in collaboration with Dr. Michael Haumann's team in Berlin, discovered that oxygen binds to the di-iron center of the hydrogenase, which initiates the inactivation of another part of the enzyme consisting of four further iron atoms. (materialstoday.com)
According to this model, an oxygen molecule initially binds to the di-iron center of the hydrogenase, which leads to the development of an aggressive oxygen species. (materialstoday.com)

Using high-flow nasal cannula oxygen therapy for 24 hours following extubation of patients who are already at low risk of reintubation further reduces the risk of reintubation. (the-hospitalist.org)
Nasal obstruction and nasal tube oxygen inhalation method: nasal obstruction method is that nasal obstruction is put in the vestibulum nasi of side, and is in close contact oxygen uptake with nasal cavity. (google.com)
Nasal plug is to insert a catheter into the oxygen uptake of nasal cavity top. (google.com)
Mask oxygen-inspiration method: covering disease population nasal oxygen inhaling for mask, more quite a lot of than nasal obstruction and nasal tube oxygen inhalation method effect, but may Cause respiratory acidosis. (google.com)

Oxygen Sensor. (autozone.com)
Bosch engineered oxygen sensor. (autozone.com)
Direct fit oxygen sensor. (autozone.com)

Active and durable non-precious metal catalysts (NPMCs) are highly demanded to replace the rare and expensive Pt for the oxygen reduction reaction (ORR) in polymer electroltye fuel cells and metal-air batteris. (aiche.org)

Scientists from the Faculty of Biology and Biotechnology at the RUB have published a report in the Journal of Biological Chemistry explaining why enzymes used for the production of hydrogen are so sensitive to oxygen. (materialstoday.com)

Radiation therapy Radiobiology Health physics Hypoxia Oxygen effect Thoday JM and Read J. Effect of oxygen on the frequency of chromosome aberrations produced by X-rays. (wikipedia.org)
Oxygen Therapy. (medlineplus.gov)
We also assessed the evidence on the safety of high-pressure oxygen therapy. (cochrane.org)
Does high-pressure oxygen therapy improve social communication or other aspects of function in children and adults with ASD, and how safe is this therapy? (cochrane.org)
We searched electronic databases and identified randomized controlled trials (in which participants are randomly allocated to one of two or more treatment groups) consisting of participants who received high-pressure oxygen therapy or room air or no treatment as a control. (cochrane.org)
We found a single, small study of 60 children that evaluated high-pressure oxygen therapy for ASD. (cochrane.org)
There was no evidence that high-pressure oxygen therapy improved social interaction, behavioral problems, speech or language communication, or mental function in children with ASD. (cochrane.org)
How to Get the Most Out of Your Oxygen Therapy to Treat COPD Safely at Home. (apria.com)
It's important to let visitors know that oxygen therapy is being used in your home. (apria.com)
Does the use of high-flow oxygen therapy for 24 hours following extubation reduce the risk of reintubation in low-risk patients? (the-hospitalist.org)
Using concealed allocation, these patients were randomized to receive either conventional oxygen therapy or high-flow oxygen therapy for 24 hours following extubation. (the-hospitalist.org)
Conventional oxygen therapy was continued in both groups after 24 hours as needed. (the-hospitalist.org)

A new study published this month in American Journal of Physiology - Regulatory, Integrative and Comparative Physiology looked at what happens in the egg when a chicken fetus was exposed to low oxygen (hypoxia) conditions. (scienceblogs.com)
In mammals, this can occur as a result of maternal hypoxia, preeclampsia as well as anemia in the fetus resulting in less red blood cells that can carry oxygen. (scienceblogs.com)

The theoretical and atomic-level investigation of their working active sites, insights into their durability, mechanism and bifunctional nature for oxygen electrocatalysis yield further advances aiming at optimizing transition metal-nitrogen-carbon materials for oxygen electrochemistry. (rsc.org)

This standard covers oxygen masks and breathing valves used with both panel mounted and mask mounted demand and pressure-demand oxygen regulators. (sae.org)
In narrow body airliners, for each row of seats there were overhead oxygen masks and oxygen generators. (wikipedia.org)
In some wide-body airliners, such as the DC-10 and IL-96 , the canisters and oxygen masks were mounted in the top portion of the seat backs, since the ceiling was too high above the passengers. (wikipedia.org)
But very few will reach the peak without oxygen masks blocking their view. (independent.co.uk)

In the worst-hit cities, groups of people are crowdsourcing resources and raising emergency funds, sending free meals to those isolated in their homes and arranging for supplies of oxygen cylinders and other medical equipment, responding to pleas for help on social media. (theglobeandmail.com)
India's High Commissioner to Canada, Ajay Bisaria, said his country's top priority is purchasing more oxygen cylinders and oxygen concentrators, and establishing more oxygen-generation plants at hospitals. (theglobeandmail.com)
This will prevent the cylinders from falling over, which may damage them and cause oxygen leaks. (apria.com)
This Technology News describes the new, very high-pressue oxygen cylinders for use in SCSRs. (cdc.gov)

Arterial blood gas levels (through an indwelling line [eg, umbilical arterial catheter or preductal peripheral arterial line]): To assess the pH, partial pressure of carbon dioxide (PaCO 2 ) and the partial pressure of oxygen (PaO 2 ) which might be higher in the preductal arterial line. (medscape.com)

The oxygen content has been more difficult to assess, however, with early estimates finding very little oxygen in the gas at a C/O ratio that is 20 × higher than the cosmic value. (harvard.edu)

Storing your oxygen under the bed is OK if air can move freely under the bed. (medlineplus.gov)
Have more questions about using and storing oxygen safely at home? (apria.com)

For example, epoxides are versatile chemical intermediates that have been mainly produced from the oxygen functionalization of olefin substrates. (rsc.org)

Can metal-nitrogen-carbon catalysts satisfy oxygen electrochemistry? (rsc.org)
We hope to direct the attention of readers to the latest breakthroughs of traditional oxygen functionalization reactions and to the potential of electrochemistry for the transformation of organic substrates to useful end products. (rsc.org)

This treatment is used to hasten tissue recovery and improve its physiological aspects, by providing an increased supply of oxygen to the damaged tissue. (mdpi.com)
Or a visitor may accidentally step on tubing and cut off the supply of oxygen. (apria.com)

The oxygen enhancement ratio (OER) or oxygen enhancement effect in radiobiology refers to the enhancement of therapeutic or detrimental effect of ionizing radiation due to the presence of oxygen. (wikipedia.org)
So some materials may be more likely to catch fire in the presence of oxygen. (apria.com)

When a patient is given 100% oxygen under pressure, hemoglobin is saturated, but the blood can be hyperoxygenated by dissolving oxygen within the plasma. (medscape.com)
A new abnormal hemoglobin with instability and low oxygen affinity. (degruyter.com)
[ 5-10 ] Cardiac output may be calculated by using the Fick equation if Vȯ 2 , hemoglobin level, and the arterial-venous oxygen difference are known. (medscape.com)

Researchers have discovered that migrating oxygen atoms are responsible for the unconventional ferroelectricity of hafnium-based thin films. (materialstoday.com)

For decades, oxygen has been proven to be a safe and effective treatment for this chronic condition. (apria.com)

Colder soda contains that carbon dioxide, and perhaps the cool oceans are now holding more dissolved oxygen in a similar manner. (inhabitat.com)

Commercial aircraft provide emergency oxygen to passengers to protect them in case of loss of cabin pressure. (wikipedia.org)
Knowing this will help them plan the safest route to extinguish a fire or supply you with emergency oxygen if needed. (apria.com)

The best known explanation of the oxygen effect is the oxygen fixation hypothesis which postulates that oxygen permanently fixes radical-induced DNA damage so it becomes permanent. (wikipedia.org)
Ewing D. The oxygen fixation hypothesis: a re-evaluation. (wikipedia.org)
It's difficult for scientists to know just which hypothesis is correct, since oxygen levels are connected to other processes such as volcanic activity and even the biodiversity present on Earth. (inhabitat.com)

Mask mounted oxygen regulators are covered under other standards, but when the mask mounted regulator incorporates an integral exhalation valve, the performance of this valve shall meet the requirements of this standard. (sae.org)
Patients in a multiplace chamber breathe 100% oxygen via a mask or close-fitting plastic hood. (medscape.com)
When the passengers pulled down on the mask they removed the retaining pins and triggered the production of oxygen. (wikipedia.org)

The low oxygen surface water accompanied by the shortage of bioessential elements and massive soil, mud, and nutrient intrusion in the oceans contributed to the main extinction. (atlas.jp)
Colder oceans can hold more dissolved gases, including dissolved oxygen. (inhabitat.com)

The velocity of the entire process is possibly dependent on the phase during which the aggressive oxygen species moves from the di-iron to the four-iron center. (materialstoday.com)

A chemical oxygen generator is a device that releases oxygen via a chemical reaction . (wikipedia.org)
Chemical oxygen generators are not used for the cockpit crew, who are typically supplied using compressed oxygen canisters, also known as oxygen bottles. (wikipedia.org)
The chemical reaction is exothermic and the exterior temperature of the canister will reach 260 °C (500 °F). It will produce oxygen for 12 to 22 minutes. (wikipedia.org)
A chlorate candle, or an oxygen candle , is a cylindrical chemical oxygen generator that contains a mix of sodium chlorate and iron powder, which when ignited smolders at about 600 °C (1,112 °F), producing sodium chloride , iron oxide , and at a fixed rate of about 6.5 man-hours of oxygen per kilogram of the mixture. (wikipedia.org)
These oxygen carriers were investigated for their ability to convert gaseous fuels in a lab-scale fluidised bed, and characterised for their mechanical and chemical suitability in the CLC process. (bl.uk)
The progress of electrochemical methods toward oxygen functionalization is presented by an in-depth discussion of different types of electrically driven-chemical organic synthesis, with particular attention to recently developed electrochemical systems and catalyst designs. (rsc.org)

The main extinction horizon in the shallowest section is marked by a peak in oxygen depletion and a marine productivity proxy of biomarkers, indicating that maxima of marine productivity coincided with the peak of oxygen depletion and the main marine extinction event. (atlas.jp)

An interagency agreement to investigate efficiency improvements for pure oxygen breathing apparatuses used by miners in emergencies, namely SCSRs, and to develop an improved ergonomically designed SCSR. (cdc.gov)

This usually happens when the baby is under stress or there is a decrease in the amount of blood and oxygen reaching the fetus. (klinespecter.com)

The patient only stopped getting oxygen 2 days after cardiac catheterization for what was found to be an ST-segment elevation MI [STEMI]. (medpagetoday.com)
Background Measurement of oxygen consumption (Vȯ 2 ) is difficult in children but is essential to calculate cardiac index and systemic vascular resistance. (medscape.com)

Carbon and pyrite are two substances that may be behind oxygen levels declining. (inhabitat.com)

Potassium superoxide was used as an oxygen source on early crewed missions of the Soviet space program , in submarines for use in emergency situations, for firefighters , and for mine rescue . (wikipedia.org)
In the Vika oxygen generator used on some spacecraft, lithium perchlorate is the source of oxygen . (wikipedia.org)

This review presents the recent progress of oxygen functionalization reactions based on non-electrochemical (conventional organic synthesis) and electrochemical methods. (rsc.org)

Advances in technology have provided industrial oxygen generator systems for use where air is available and a higher concentration of oxygen is desired. (wikipedia.org)

Anatomy10

Organisms4

Diseases7

Chemicals and Drugs63

Analytical, Diagnostic and Therapeutic Techniques and Equipment23

Phenomena and Processes44

Anthropology, Education, Sociology and Social Phenomena3

Technology, Industry, Agriculture1

Information Science1

Health Care6

NIOSH2

Effects of hyperbaric oxygen2

Hyperbaric oxygen17

Supplemental oxygen9

Saturation3

Exposure5

Centers1

Influenza1

Clinical3

Electrocatalysts4

Catalysis2

Reactive3

HBOT1

Adsorption4

Sensors2

Lack of oxygen3

Binds3

Nasal4

Sensor3

Reduction reaction1

Hydrogen1

Therapy12

Hypoxia2

Bifunctional1

Masks4

Cylinders4

Partial pressure of oxygen1

Content1

Storing2

Intermediates1

Electrochemistry2

Supply of oxygen2

Presence of oxygen2

Hemoglobin3

Atoms1

Chronic1

Carbon dioxide1

Emergency oxygen2

Hypothesis3

Mask3

Oceans2

Species1

Chemical6

Main1

SCSRs1

Fetus1

Cardiac2

Substances1

Source2

Conventional1

Advances1