Tag: "channels" at medical news

Laser Shown Effective In Patients Who Are Not Candidates For Bypass Surgery Or Angioplasty

... of the heart disease, the surgeons create 20to 40 channels in the moribund heart muscle, and the holes on the heart'ssurface almost immediately seal themselves with clotted blood and heal over. Patients typically go home after four days in the hospital. The study also showed that TMR might not be as ef...

Laser Offers Hope For Heart Patients With No Alternatives

... of the heart disease, the surgeons create 20 to40 channels in the moribund heart muscle, and the holes on the heart's surfaceseal themselves with clotted blood and heal over. Patients typically gohome after four days in the hospital. "The patients are now doing things they couldn't before -- shoppi...

Unique Interactive Health Kiosks Distributed In Michigan

...s at the U-M. Currently, there are five available channels that cover a broad spectrum of health topics and i...nd there are plans to add five to seven additional channels in the next year. "This type of program with its television format," he says, "allows us to easily ...

New medicare coverage makes TMR procedure more readily accessible to patients with severe angina and no options

...s beam is directed to create small, one-millimeter channels in the heartmuscle wall. The heart responds by creating tiny blood vessels that provideadditional blood flow. The procedure typically requires a four- to five-dayhospital stay. Choosing TMR is a decision Dr. Frischling doesn't regret. On a scale of 1...

UI researchers discover that aggressive cancer cells may make their own blood vessels

...esis in animal models and in humans. "The vascular channels form between tightly packed groups of aggressive c...Maniotis said. "In addition, becausethese vascular channels can be constructed in the laboratory with human cells,new forms of cancer therapy could be developed...

Laser heart treatment shown to be safe and effective at lowering pain associated with heart disease

...ide surface of theheart seals immediately, but the channels remain open to provide oxygen-richblood to previou...ent's heartbeat, allowing surgeons to create these channels without stoppingthe patient's heart. In the New England Journal of Medicine article, the first peer-...

Cedars-Sinai part of study published in Sept. 30 New England Journal of Medicine on laser procedure to relieve severe angina in cardiac patients

...d at Cedars-Sinai utilizing lasers to create small channels inthe heart muscle wall, stimulating the formation...s beam is directed to create small, one-millimeter channels in the heartmuscle wall. The heart responds by creating tiny blood vessels that provideadditional bl...

A new ion channel involved in cell proliferation: evidence for its oncogenic potential

...y in nervous tissue. In mammalians, however, these channels seem tobe additionally able to increase cell proliferation when expressed outside ofthe nervous system. The detection of this ion channel outside of the nervous system and/or out oftime is hence a marker for malignant transformation (cancer). In fact...

Scientists identify new pathway of antidepressant action

...enings in the neuron's membranes --called GABA ion channels -- remain open. (The anti-anxiety medication valium works by stimulating this GABA pathway.) To study the effects of the antidepressants on allopregnanolone, Griffin, Mellon and their laboratory colleagues cloned from both rat and human tissues the D...

Researchers discover alcohol-sensitive membrane channel

...ound while examining ethanol's effect on potassium channels A study reported in the December issue of Natu...ype of potassium channels, a diverse family of ion channels that perform many central nervous system functions. Identification ofthe alcohol-sensitive channel h...

Eastman gives Clemson University $38 million fiber technology

...have essentially smooth surfaces. It's those deep channels that give the material its phenomenal absorbency. Additional end products could include absorbent materials for use in blood-filtration systems needed in surgical operating rooms, surgical dressings, footwear and apparel, and personal health-care pr...

'Smart scalpel' detects cancer cells in seconds

...lls as they are pushed by a micropump through tiny channels cut into the glass surface of the device. Because ... in a channel over the surface of the glass. More channels and more lasers can be added to increase the speed of the technique.Recently published technical pap...

First protein 'biochips' may deliver improved detection, diagnosis

...to lithography printing. This helped to define the channels and metal surface regions on the chip. Then the proteins were attached by using the electrical charges naturally occurring within the proteins. A patent application for the new Purdue biochip is pending. A paper on the biochip, "Micro-Scale Detection...

OHSU researchers capture cell transmissions on tape for first time

...n vesicles empty their transmitter onto cells, ion channels open and cause electrical changes, the basis of neural communication. The release of transmitter occurs through a process called exocytosis. "Synapses allow cells to talk and listen to one another. What we have witnessed and videotaped is the talkin...

New drug takes multiple approach to prevent brain damage from stroke

...a said. Specifically, it blocks calcium and sodium channels in the brain that activate a protein that causes cells to die. It also acts as a strong antioxidant, preventing an oxygen imbalance in the brain that can lead to further damage. "So many factors cause brain cell damage, a combination treatment is nec...

"Dutch Nobel Prize" for three researchers

... 1500 times. His publications and teaching are the channels through which he conveys the power and elegance of his approach to a new generation of researchers. ---- Dirkje Postma (1951) is an internationally recognised pathophysiologist, one of the top five or ten researchers in the world in the field ...

Polymer research could lead to better protective clothing

...t are normally bunched together, inside the narrow channels formed by the stacked cyclodextrins. "We like to study the properties of these individual polymer chains that are trapped inside. How is that behavior different from when you have a collection of polymer chains?" Tonelli said. Learning more about the...

Submicrometer-scale metallic barcodes described by Penn State and Surromed

...ally electroplating different metals within narrow channels to form metallic rods having complex striping patterns. To read out the striping pattern, scientists take advantage of the fact that metals such as gold and silver reflect colored light differently. For example, silver looks much brighter under blu...

Artificial organs

...d for the artificial liver. It's shot through with channels as small as the finest capillaries and as large as...mally line blood vessels, is pumped into the empty channels in the scaffold, where they stick to the walls. These cells grow in a nutrient to form a network of ...

Electricity can pump medicine in implanted medical devices

...nnifer McFerran. Tests with actual nanometer-sized channels were conducted at iMEDD, Inc. ...e able to drive saline through channels only a few nanometers wide. "Pushing fluid through a very small channel requires a lot of ...

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