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Tag: "oxygen" at medical news

UCLA Imaging Study Reveals How Pure Oxygen Harms the Brain

Recent research suggests that inhaling straight oxygen can harm the brain. A new UCLA brain-imaging study..., the medical community has championed 100 percent oxygen as the gold standard for resuscitation. But no one has reported what happens inside our brains when ...

Sleep Apnea Increases Risk of Diabetes and Hypertension in Pregnant Women

...166 had sleep apnea. The repetitive decrease in oxygen that occurs during the night in someone with sleep... is greatest, Dr. Youssef explains. When a mothers oxygen level drops at night, it may also affect the oxygen level of the fetus, and we dont know what the lo...

Soft Drink Additive Could Cause Cell Damage

... it out altogether. "The mitochondria consumes the oxygen to give you energy and if you damage it - as happens in a number if diseased states - then the cell starts to malfunction very seriously. And there is a whole array of diseases that are now being tied to damage to this DNA - Parkinson's and quite a l...

Researchers Find Ways to Recycle Old Tyres into New

...bber 'crumb', inside a chamber filled with ionised oxygen gas plasma makes the crumbs adhesive and allows th... 'The plasma treatment appears to create reactive oxygen species - small, highly reactive molecules - on the surface of the rubber by opening up carbon bonds...

Too Much of Iron During Pregnancy is Harmful

...ondition where the blood is unable to carry enough oxygen due to low number of red blood cells or because each red blood cell is unable to carry normal amounts of oxygen. Common symptoms of anemia include feeling tired, fainting, or breathless. The condition is often associated with low birth weight and p...

Masimo SET Pulse Oximetry Technology Significantly Reduce the Risk of ROP

...sed by the excessively high levels of supplemental oxygen often used to treat these patients, due in large part to unreliable oxygen level measurements from pulse oximeters not able to maintain accuracy during conditions of motion an...

Patients With OSA at Higher Risk for Cardiovascular Disease

... movements, breathing rates, blood pressure, blood oxygen saturation and heart rhythm, as well as direct observation of patients during sleep. The men were comparable in age, blood pressure and metabolic profiles, but the OSA patients had a higher bodymass index, though the difference was not statisticall...

Airway Bypass Treatment for Emphysema - Study

...or emphysema patients and many become dependent on oxygen therapy. We are excited to be part of this study because currently there are limited treatment options for the emphysema patients, said Zab Mosenifar, M.D., Medical Director of Cedars-Sinai Center for Chest Diseases and principal investigator of th...

US Climate Plan Must Not Substitute UN Treaties: China

... pollutants including sulphur dioxide and chemical oxygen demand by 10 percent by 2010....

Combination Improves Survival of Metastatic Melanoma Patients: Phase II Study

...ion of new blood vessels to satisfy the increasing oxygen and nutritional needs of the growing tumor. Furthermore, there is evidence that overproduction of VEGF in response to chemotherapy may allow tumors to become more aggressive and resistant to the effects of chemotherapy by different mechanisms. Thus, ...

Brain Tumor Patients Survival Depends on Predicting Treatment Responses Earlier

...development of blood vessels that supply blood and oxygen that contribute to a tumor's growth, said Chen. "Until this study, there were no reliable predictors of therapeutic response for patients with primary brain tumors undergoing treatment with these types of drugs," said Chen. "Our research paves the wa...

Reduced Oxygen to the Brain Increases Alzheimers Risk in Stroke Victims

...gradual build-up of toxic chemicals due to reduced oxygen to the brain caused by the stroke. The study was... Our research is looking into what happens when oxygen levels in the brain are reduced by a number of factors, from long-term conditions like emphysema and...

Breast Cancer Drug Curbs Heart Disease.

... to energy deprivation as a consequence of reduced oxygen or nutrient supply. In addition, heart muscle cell...rom chemotherapy or heart muscle cells deprived of oxygen during a heart attack -- could be used in other situations. Using this system, we could theoretica...

Combination Therapy Reduces Tumor Resistance to Radiation

... on endothelial cell death, which in turn limits oxygen delivery to the tumor, causing hypoxia and tumor cell death. Recently, radiation-induced hypoxia was shown to trigger tumor resistance to radiation via the activation of new blood vessel formation (angiogenesis) through molecules known as HIF-1regula...

Double Lung Transplant Man in Michigan Recovering

...he lungs. As a result, ones body does not get the oxygen it needs. Emphysema makes it difficult to breathe. One can also have a chronic cough and have trouble breathing during exercise.The most common cause is cigarette smoking. The Michigan patient was also a long time smoker. He had been on the waiting...

A Cold Shoulder to Cold - At Your Risk

... person goes into deep sleep, resulting in reduced oxygen supply to lung, heart and brain. This could lead to snoring and people could find it difficult to breathe," he explained. Therefore, if you have a persistent cold, it is not worth ignoring it. /V...

Hearts Saved As Doctors Put Cutting Edge Discoveries to Use

...nners; beta blockers to reduce the damaged heart's oxygen needs, statins to lower cholesterol, ACE inhibitors to relax blood vessels, and angioplasty to open blocked vessels soon after hospital arrival. It was seen that use of each of these treatments climbed during the study and in some cases more than ...

NASA Gets Ready To Address Tough Questions

... critically ill astronaut who is using up precious oxygen and endangering the rest of the crew? Should NASA employ DNA testing to weed out astronauts who might get a disease on a long flight? How do you deal with sexual desire between astronauts? Deep space exploration poses more than its share of ethical...

Asthma can Be Checked, Experts are Confident

...cks may require hospitalization, administration of oxygen and intravenous medication. But hospitalization and such other emergency situations can be prevented by the sustained use of inhaled medicines. The quick-relief medications are taken to achieve prompt reversal of an acute asthma "attack" by rel...

Drinks and Breast Cancer – How It Happen

...cells. These tumor cells require a profuse rush of oxygen and nutrients, which can be supplied to them only by new blood vessels, needed to sustain their rapid growth and proliferation. And this is the starting point of cancer development, say scientists. As expected, there was also the significant incr...

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