Tag: "circulation" at medical news

Cancer research summaries

... detected, it will shed millions of cells into the circulation every day that may have the potential to establish new malignancies within the donor or blood recipient. Reports of transmission of cancer cells from needles or surgical instruments demonstrate that tumours cells have the capability to be transplante...

ESA's Earth Explorer gravity satellite on show

... give access to new scientific insights into ocean circulation and its impact on climate, as well as into the structure of the interior of the Earth in critical locations such as earthquake and volcanic zones." Because the gravitational signal is stronger closer to the Earth, GOCE has been designed to fly in ...

What exactly is repetitive strain injury?

...ficient breaks could result in reduced local blood circulation and muscle fatigue. Consequently, pain sensors in the muscles could become over-sensitive, leading to a feeling of pain at lower-than-normal thresholds. Another theory is that overuse of tendons by repetitive loading causes RSI. Diagnosis is often ...

UPMC begins study of heart support device as a bridge to transplantation

... while awaiting transplant, improve blood flow and circulation and overall quality of life. In some cases, the patients with earlier model LVADs demonstrated recovery of their own heart. As a result, they were able to be weaned off the LVAD and avoid heart transplant altogether. It is not known yet whether th...

Why predicting the next influenza pandemic is difficult and how scientists can best prepare

...enhancing surveillance of infected animals and the circulation of influenza virus globally; understanding how the virus evolves and jumps from birds and other animals to humans; finding new approaches to vaccine design and vaccination; and developing new antivirals and diagnostics. Such broad activities can also...

UW study tests topical honey as a treatment for diabetic ulcers

...t a few hundred." Diabetics typically have poor circulation and decreased ability to fight infection. Diabetic ulcers treated with long courses of systemic antibiotics can become colonized with drug-resistant organisms--so-called "superbugs" such as Methicillin-resistant Staphylococcus aureus (MRSA). Since ho...

JCI table of contents: May 1, 2007

...e numbers of these vital EPCs are decreased in the circulation and at wound sites in diabetes. The authors exam...alpha) was required to recruit these EPCs from the circulation to the wound site. The increased presence of EPCs at the wound site resulted in accelerated wound he...

Penn researchers show how nanocylinders deliver medicine better than nanospheres

...l nanoparticles align with the flow and persist in circulation considerably longer than any known spherical parti... the tumors and, because the cylinders remained in circulation for up to one week after injection, they delivered a more effective dose, killing more cancer cells ...

Jefferson immunology researchers show blood-brain barrier damage could affect MS severity

... barrier and letting cells and factors in from the circulation is critical to the development of disease," Dr. Hooper says. "The fact that the extent of the permeability change correlates with the severity of clinical disease signs shows that this is an important element in determining how sick these animals can...

Embargoed Jan./Feb. Annals of Family Medicine tip sheet

... in the circulatory system, detaches and obstructs circulation at another point. A pulmonary embolism occurs when such a clot, usually originating in the deep venous system of the lower extremities, obstructs the pulmonary artery or one of its branches, which may result in acute heart failure or sudden death. ...

New guidelines issued for diagnosis and management of venous thromboembolism

... in the circulatory system, detaches and obstructs circulation at another point. A pulmonary embolism occurs when such a clot, usually originating in the veins of the leg, obstructs the pulmonary artery or one of its branches. A large embolus may result in acute heart failure or sudden death. More than 200,000 d...

Climate experts search for answers in the oceans

...rming of the sea and the modification of the water circulation patterns may cut off or modify some of that primary production, so it is important to know both sea-surface temperature and ocean colour." In order to make the most of all satellite information available on ocean colour and sea-surface temperature...

Mayo Clinic researchers find evidence for traumatic cause of carpal tunnel syndrome

... pressure buildup in the carpal tunnel affects the circulation nourishing the nerves, which can lead to pain, numbness and tingling. The question Mayo researchers explored was: What leads to the pressure buildup? Their results indicating shearing injury as a possible cause present promising new ways to approach ...

Tipsheet: Focus on gait training, pain relief, pressure ulcers and hearing aid training

... bladder emptying) affects pressure and skin blood circulation under the ischial tuberosities (ITs) of participants with spinal cord injury (SCI). The ITs are the most common site for pressure ulcers among wheelchair users with SCI. With optimal stimulation through a magnetic coil, average IT peak pressure and g...

Drug can quickly mobilize an army of cells to repair injury

...t the appropriate cells find their way through the circulation to the site of injury or low oxygen," he says. "Th...red in diabetic patients, who can suffer from poor circulation in their limbs that causes pain or sores and may lead to amputation. The potential of the two drugs...

Pine tree bark reduces diabetic leg ulcers

...with the formation of skin ulcers. Impaired blood circulation in diabetics may cause tissue necrotization and di...ore oxygen to the feet," said Dr. Belcaro. "Better circulation decreases the chance of developing ulcers." Previous research shows Pycnogenol may be helpful in c...

Proteins spur diabetic mice models to grow blood vessels, nerves

...o inject netrins and VEGF. In the mice whose blood circulation was decreased by peripheral vascular disease, the researchers found netrins and VEGF promoted blood vessel growth equally well. But in the diabetic mice, netrins proved markedly better at promoting blood vessel and nerve growth than VEGF, according ...

Natural pine bark extract relieves muscle cramp and pain in athletes and diabetics

... a relief effect on muscle cramping and pain. Poor circulation in the muscle is known to cause cramps and Pycnogenol improved the cramping in patients due to a stimulation of blood flow to their muscle tissue. Nitric oxide (NO) a blood gas, is well known to enhance blood flow and Pycnogenol may be influencing th...

UCI scientists find chlorine may contribute to ozone formation

...use of meteorological conditions that restrict air circulation and trap pollutants. Ozone is a highly reactive and unstable gas that damages living cells. Even low levels of ozone can harm the upper respiratory tract and the lungs, causing a cough, throat irritation and reduced lung function, and aggravating the...

Drug attacks prostate cancer in mouse model by destroying its blood supply

...ncer cells that depart a tumor die swiftly once in circulation and that metastases originate from less than 1 percent of a cancer's cells and even can arise from a single cell. When these metastatic "seeds" enter circulation, they still need to find the exact microenvironment that permits them to grow. For prost...

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(Date:10/17/2014)... Why do male ... reproduce? And why are there two sexes anyway? These and ... the research journal Molecular Human Reproduction published today ... University Bielefeld has compiled this special issue on sperm competition. ... copulate with several males in quick succession – chimpanzees are ...
(Date:10/16/2014)... Researchers at William and Mary,s Virginia Institute of ... from the Environmental Protection Agency to identify the ... and to develop tools to help local governments ... project depends critically on a dataset of tidal-marsh ... 1970s. Only with this historical baseline can today,s ...
(Date:10/16/2014)... respiratory tract infections and worldwide claims the lives ... and Ghent University have succeeded in developing a ... infection. , Xavier Saelens (VIB/UGent): "We discovered ... for the development of a novel approach to ... in numerous small children and elderly people." , ...
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