Transcranial Doppler reveals brain tumor regrowth weeks before MRI or CT
Atrium Health Wake Forest BaptistTranscranial sonography revealed tumor regrowth 6 weeks before MRI and 2 weeks before CT, German doctors report.
Transcranial sonography revealed tumor regrowth 6 weeks before MRI and 2 weeks before CT, German doctors report.
Patients suffering from bacterial endocarditis, a heart infection, remain at risk for stroke and other cerebral complications far longer than previously known, a German doctor reported. He said 80 percent of the patients he studied continued to have microembolisms in their brains up to four weeks after having been treated with antibiotics.
Abnormalities measured on 3D reconstructions of ultrasound images are more reliable and easier to reproduce than on two-dimensional (2D) ultrasound, researchers from Germany reported today.
Transcranial Doppler ultrasound is giving doctors a new tool for monitoring the brain during open-heart surgery in children.
Researchers from throughout the world will be coming to Winston-Salem next week to report dramatic and newsworthy findings from a broad spectrum of investigations at International Neurosonology '97 -- only the second time the meeting has been held in the United States.
Researchers from Brazil and Canada reported today (Aug. 14) that a combination of transcranial Doppler ultrasound and duplex carotid ultrasound can accurately measure the degree of blockage in the carotid arteries that serve the brain, averting the need for cerebral angiography, a risky technique that can provoke a stroke.
Ultrasound contrast agent reflects the signal from transcranial ultrasound probe, illuminating blocked portion of the middle cerebral artery causing an ischemic stroke, German doctors report. Doctors dissolve the stroke-causing clot with 100 milligrams of the thrombolytic rTPA, preventing stroke damage.
Ultrasound is more than 90 percent effective in distinguishing between ischemic and hemorrhagic stroke under emergency treatment conditions, a group of German neurologists report.
A Catawba College psychologist is using one of the latest forms of ultrasound to actually "see" when people are thinking, and when they are not.
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The "greening" of American backyards -- as more people turn to composting food scraps -- is turning some dogs a bilious shade of green. Certain microorganisms and the toxins they produce can sicken or even kill dogs that get into unprotected compost piles, a Cornell University veterinary toxicologist is warning.
Parents can add credit cards to the list of grades, peer pressure and other things they worry about when their son or daughter leaves for college. A Purdue University professor says parents need to discuss credit management with their children before the students head off to school, even if the children don't have credit cards. She says chances are good they'll get one at school.
Corn growers, crop consultants and agronomists faced with tough production challenges can identify problems and find appropriate solutions using a new CD-ROM developed at Purdue University.
The weather pattern known as El NiÃ’o is re-emerging in the Pacific Ocean, and that could bring a change in weather for next winter, and perhaps for the next few years.
The American College of Physicians and the American Society of Internal Medicine announced negotiations to merge into a single organization in the latter half of 1998.
Press release of issue dated 9 August for New Scientist, the international science and technology weekly news magazine.
Twenty-six Vietnamese senior executives are in the U.S. to experience capitalism in action, thanks to a partnership with the world's oldest graduate school of business. The program participants include senior level executives from both state-owned and private Vietnamese corporations. The Amos Tuck School of Business partnered with the Hanoi School of Business so Vietnamese executives can learn U.S. management styles and market-based business skills.
The first six hours after a motor skill is learned are a critical time when memory for the task is created in the brain. Once formed, the memory is moved to other parts of the brain for permanent storage and automatic recall, researchers report in the journal Science this week.
After dirty skies ended its star-gazing days--and drove it away from its observatory--a decade ago, a 30-inch Beck telescope will return to Agnes Scott College in early August. Its new mission? Ironically, to study atmospheric pollution.
Adding small amounts of androgen to estrogen replacement therapy can restore failing libido, resolve persistent hot flashes and restore decreased bone density, all consequences of menopause that can affect the quality of life and health of postmenopausal women.
Developed by research scientists in the University of Michigan College of Engineering's Mobile Robotics Laboratory, the GuideCane is a computerized, sonar-equipped navigation aid for the blind which detects obstacles in the user's path and automatically steers around them.
Drawing on 25 years of data from Gombe National Park in Tanzania, University of Minnesota researchers Anne Pusey and Jennifer Williams, along with Jane Goodall, have shown that even a weak social hierarchy can have a profound impact on individual chimpanzees' reproductive success.
The Associated Medical Schools of New York (AMS) announced a new initiative to focus the medical community on end-of-life care. It is estimated between 65-80 percent of all deaths occur in a hospital setting and that health care providers are the primary care-givers leading up to death. AMS will form a committee in a statewide collaborative effort to strengthen the training of future physicians on the issue of death and dying.
A Cornell entomologist confirmed the summer's first adult Asian long-horned beetles have emerged from their larval stage and have been found in Amityville, N.Y. The beetles kill hardwood trees, such as Norway maples, and pose a possible threat to industries dependent upon hardwood.
Harvard Medical School News Tips provides brief summaries on developments in the areas of basic science, research innovation, bench-to-bedside science, education, community outreach, and HMS people of note.
A study done at the University of North Texas shows that a large percentage of bed and breakfast proprietors are unaware of current regulations, particularly those at the county and municipal level, where most of the regulations involving health, fire codes and zoning are enacted.
Job hopping by Asian managers at rates of 15-18 percent a year costs U.S. multinational companies (MNCs) in the region time, money and key business contacts, according to a recently released study by management professors at the University of North Carolina at Chapel Hill's Kenan-Flagler Business School.
Cornell/Yale study finds Graduate Record Examination (GRE) fails to predict success or failure in graduate school for psychology and probably other fields as well.
A mathematically predictable form known as a fractal can describe the activity of individual cells as well as complex physiological systems, report scientists of Boston UniversityÃs College of Engineering in a paper which appears in todayÃs Journal of Neuroscience.
A toxic chemical that lurks in the environment for years causes a vaginal defect in unborn rats, reproductive biologists from the University of Maryland School of Medicine have found.
The condition of U.S. nursing home patients improves, but pain is more common than ever.
Even though parents may be aware of the dangers associated with baby walkers, infants continue to sustain baby walker-related injuries even under supervision, according to a recent study published by the American Academy of Pediatrics on PEDIATRICS electronic pages.
Parents who sleep with their baby in an adult bed do not reduce the risk of Sudden Infant Death Syndrome, according to a new policy statement from the American Academy of Pediatrics (AAP) with the National Institute of Child Health and Human Development.
Hospitalization is a prime opportunity to immunize children, according to a recent study published in Pediatrics, the journal of the American Academy of Pediatrics (AAP).
Children are at risk for sustaining severe injuries while riding on escalators, according to a study published by the American Academy of Pediatrics on this months PEDIATRICS electronic pages.
A pacifier dipped in sugar and a more comfortable restraint can help reduce a newborns stress and pain during circumcision, finds a new study published by the American Academy of Pediatrics (AAP) on PEDIATRICS electronic pages.
A new educational program aimed at families may cut the risk of life-threatening asthma in children, according to a study in the August issue of Pediatrics, the journal of the American Academy of Pediatrics.
The American Academy of Pediatrics (AAP) today announced that the tobacco settlement shows promise in helping stem tobacco use among adolescents and children, however five key areas must be strengthened in order to increase its effectiveness.
Employees often don't tell their supervisors about sexual harassment because they do not believe that justice will result, according to a study at the University of North Carolina at Chapel Hill's Kenan-Flagler Business School.
A New Mexico respiratory scientist says that some forms of asthma may be eradicated just as polio and measles were: by immunizing children with a vaccine.
An engine developed by The Bessemer Gas Engine Company at the turn of the century, which allowed steam engines on oil drilling sites to be converted to more efficient gasoline-powered systems, has been cited for historical significance by ASME International (American Society of Mechanical Engineers).
Clark Throssell, professor of agronomy at Purdue University, says golf courses are environmentally friendly, and golfers who are concerned about contact with the chemicals can take a few simple precautions to reduce exposure.
Successful entrepreneurship in the technology field is the subject of a meeting to be held Sept. 18, 1997, at Stanford University, Stanford, Calif. Expert speakers will be Jerry Yang, co-founder of YAHOO, the name of the widely successful computer product that facilitates searches on the Internet, and Robert Koski, an engineer and businessman who founded Sun Hydraulics Corp.
Johns Hopkins scientists studying a gene previously identified as a breast cancer gene report evidence that the gene may be innocent.
Cornell scientists are developing a biological approach to remediate compacted soils that involves rotating with deep-rooted cover crops that break up compacted soil layers and produce abundant organic matter. U.S. Department of Agriculture officials will tour Cornell's Homer C. Thompson Vegetable Research Farm in Freeville, N.Y., on Aug. 1, 1997, to see the fields used in testing the bioremediation procedures.
What kinds of businesses offer the best service to their customers? Hotel and retail companies, according to a new international study conducted in part by a researcher at the University of North Carolina at Chapel Hillπs Kenan-Flagler Business School.
Beta-blockers, a class of heart drugs long deemed risky for people with heart failure, can actually prevent deaths in those patients, according to a data reanalysis conducted by a research fellow at the Stanford University School of Medicine.
Remarkable results lay groundwork to achieve sustainable fusion reactions, and provide data to test US defenses without physically exploding large-scale nuclear devices.
Preview the products and technologies that will change the way we live and work at ìPhotonics: Driving the Economy of the Future,î an inaugural symposium at the Boston University Photonics Center, on Thursday, October 23, 1997. Experts will represent industries from telecommunications to health care.
The scientific literature amply demonstrates the effectiveness of supplementation with multivitamins containing folic acid (a B vitamin). Numerous studies confirm that women who take multivitamins before they become pregnant, and very early in pregnancy, have a much lower chance of having a baby born with a birth defect such as spina bifida.