Chemists Develop Probe To Detect Changes In Imaging Agents Inside Body
...t imagingagent which can detect blockages in blood flow following a heartattack. This information is impor...le tissueis normal and very dark areas where blood flow is blocked." Heineman is an analytical chemist who also has a great dealof experience developing sen...What Makes Tics Tick? Clues Found In Tourette Twins' Caudates
...einberger. "This also likely explains the ebb and flow of tics experienced over the course of Tourette Syndrome and its overlap with obsessive compulsive disorder. "While we know that genetics plays an important role in transmission of Tourette Syndrome, the fact that identical twins show differences in ...Laser Shown Effective In Patients Who Are Not Candidates For Bypass Surgery Or Angioplasty
...treated with TMR displayed marked increase inblood flow to the heart. "These patients typically have had multiple hospital admissions;they can't work or exercise and physical exertion of any kind causes crushingchest pain," Lowe said. "They are a tragic and unhappy groupof patients because they are...New Ultrasound Technique Is Alternative To Cerebral Angiography
...m on the inner lining of thearteries, impeding the flow of blood to the brain. Stroke occurs when a piece ofthis plaque breaks off and lodges in a smaller blood vessel, shutting off theflow of blood to that part of the brain. Stroke also can happen when the carotiditself is completely blocked. A p...'Bathtub' Equation Aids Diabetes Research
... she inevitably startstalking about bathtubs. "The flow of water in and out of a bathtub gives us a useful equation indiabetes research, explains Finegood, an associate professor in the schoolof kinesiology, who set up her diabetes research lab at SFU last year. "'In' minus 'out' equals accumulation -- th...Natural Estrogens May Help Protect Women From Brain Damage During Stroke
...anesthetized male and female rats byblocking blood flow for twohours through the middle cerebral artery, a...emale rats had higher percentages of cerebralblood flow duringstroke than males and smaller amounts of damaged brain tissue afterward. When strokes wer...Survey Finds Increasing Popularity Of Acute Stroke Teams In U.S. Hospitals
...alis to jump-start the heart to re-establish blood flow to the brain. Such teamshave been hospital staples for years; however, the emergence of similar teams tohelp patients suffering from an equally deadly problem -- stroke -- is only anemerging phenomenon. It is also a trend that should have st......y. Through these meetings and a fairly continuous flow of stories inlocal media, the researchers were able to reach a large amount of the areapopulation, which is slightly more than 100,000 in the two cities combined. A second survey conducted five months after the first was used to assessthe ef..."Powerful New Tool" For AIDS Is Reported In Science
...ng destroyed and regenerated each day, what is the flow of atherogenic particles in and out of the blood vessel wall, what is the rate of proliferation of breast epithelial cells? The new availability of a reliable and safe technique for measuring T cell production and destruction rates opens up a whole u...New Math, High-Tech Imaging Solving Old Riddle: How Does The Brain Operate When We Think?
...ease,which are diseases involving changes in blood flow and oxygen use in differentorgans. fMRInow has the potential to become much more like a routine blood test that letsdoctors diagnosediseases by comparing levels of substances in the blood with normal ranges." The type of fMRI the team used sho......spects for breakingup the clot and restoring blood flow to the oxygen-starved heart....Successful Cancer Therapy May Doom Later Treatments To Failure
...ult task. "Nobody had measured resistance to blood flow in tumor vessels before. It was like walking into a wide open field," he says. Jain and his colleagues showed that the capillaries, arteries, and veins surrounding tumors are a jumbled mass -- thick in some areas and pinched at others -- rather than ...Clot-Busters As Effective As Surgery To Clear Blockages In Legs
First they were shown to restore blood flow during a heartattack. Then doctors used them to save the brain during a stroke.Now, physicians have shown that clot-busting drugs(thrombolytics) can save the legs, too, as effectively asinvasive surgery. The study, the largest to compare athrombolyti...Heart Laser Surgery: An Alternative To Transplantation
... left ventricle of the heart, which improves blood flow to oxygen-starved heart muscle .TMR was developed to relieve debilitating chest pain, called angina, in patients who are not candidates for angioplasty or bypass surgery. After six months of follow-up, patients receiving TMR in this study showed a d...Studies Look At Threshold Effect Of Cholesterol-Lowering "Statin" Drugs
...nce ofheart attacks and surgeries to restore blood flow to the heart apparently fellprogressively as LDL levels were reduced from 175 to 125 mg/dL. However, further reductions to as low as 71 mg/dL had little impact on risk, says Sacks. "This report suggests that the effect of pravastatin to lower LDL t...More Bad News For Fast Food Fans
...aque builds up in anartery, it slowly blocks blood flow the way a rusty pipe restricts the travel ofwater. If the flow of blood becomes too slow and the heart doesn1t receiveenough oxygen, heart disease may develop. Co-...Study Reveals Possible Clue For Racial Differences In Prevalence Of High Blood Pressure
...he American Heart Association. In a study of blood flow in people during mentally stressful conditions, Ju...els relax and widen during stress to redirectblood flow to muscles involved in the "flight or fight" response. "The opening up of blood vessels in response ...Three INEEL Inventions Win International Recognition
...n power generation companies begins. Monitoringthe flow of electricity through the power grid to the consumer will require moreextensive metering than is presently available. We are helping with this byproviding a safer, smaller, less expensive alternative to the technologiespresently used," says Davidson...Drug Reduces Heart Attack, Death Rates In Patients With Unstable Angina
... plaque in thearteries, resulting in reduced blood flow to the heart. Patients typicallyexperience chest pain and weakening of the heart muscle and the condition, ifleft untreated, can lead to heart attack and death. Although current treatments like aspirin and heparin are successful atinhibiting ......ineering, has set up equipment that simulates the flow of human blood beneath a microscope. A videocamera...ach other and form a clot that stopscritical blood flow to the heart or the brain, cardiac arrest or a stroke mayoccur. This leavesresearchers with a challe...