Ultrasound senses 'feel' of breast lesions
...4 other patients with lesions that physicians were unable to identify as either fluid-filled or solid. "What was exciting about those clinical results was that in four of the 14 indeterminate lesions, we saw streaming," Nightingale said. Those clinical results were published in a 1999 issue of Ultrasound in...Researchers link stroke patients' anger and aggression to brain injury
...n. Forty-seven of the patients (32 percent) became unable to control anger or aggression as a result of the stoke. The Speilberger Trait Anger Scale (see attached) was used to assess the patients' pre-stroke and post-stroke status. Interviews included input from relatives living with the patients. ...Agricultural fungicide could cause irreversible immune system damage
...r the TPT is removed, the natural killer cells are unable to regain their strength, as evidenced by tests by...at the compound is no longer there, they are still unable to kill the leukemia cell, Whalen said. Whalen believes the findings could explain to some extent w...Study could lead to exercise-mimicking drug
...s who could benefit from aerobic exercise, but are unable to perform the amount of exercise necessary to pro...ic the effects of regular exercise for individuals unable to exercise, but who need its benefits, Williams said. In the new study, researchers identified a p......ase in thromboxane formation when prostacyclin was unable to work and wondered if it mediated the consequences of removing the PGI2 receptor," said Yan Cheng MD, PhD, first author on the paper. FitzGeralds group had shown previously that formation of both TxA2 and PGI2 are increased by percutaneous coronary...Cancer center study shows state's workplace smoking laws are effective
...reported living in smoke-free homes in 1999. Being unable to smoke in ones home establishes norms against smoking around non-smokers, while also protecting children from asthma and other serious illnesses that can be triggered by secondhand smoke, explained Gilpin. The UCSD report is based on analysis of t...Sex at birth linked to latitude
...nd an even higher ratio in Canada. The authors are unable to explain these findings, but stress that a temperature related effect cannot account for the differences....Mastiffs could aid treatment of retinitis pigmentosa
... produces a mutated form of rhodopsin that appears unable to regenerate properly. "Most of us have a little trouble seeing in a darkened theater when we first come inside from the bright light," explains Gustavo D. Aguirre, the Caspary Professor of Ophthalmology in Cornell's College of Veterinary Medicine. ...Heavy drinkers bear the heavy burden of bleeding stroke
...ge or lose decades of useful life because they are unable to work, Kissela says. The study included 107 individuals with SAH and 197 without stroke who were participants in the Genetic and Environmental Risk Factors and Hemorrhagic Stroke Study, conducted by the University of Cincinnati College of Medicine...Tau protein required for development of Alzheimer's disease
...d memory -- but investigators previously have been unable to identify a mechanism linking the two types of lesions. Now, a group of Northwestern University neuroscientists have reported the first evidence showing that tau must be present to enable beta-amyloid to induce the degeneration of brain cells that...Insulin pump effective for infants, children
...nd diabetes at Duke. "Moreover, the child is often unable to convey symptoms of low blood glucose to parents and caretakers. These factors make diabetic control exceedingly difficult in this age group and increase the risk of severe hypoglycemia." Freemark is senior author of the study, which was presented ...Study indicates no natural limit to life expectancy
...e authors noted in the article. "Experts have been unable to imagine a lifespan that could rise further," leading to "the notion of a fixed lifespan." Such a notion, the study noted, "is distorting public and private decision-making." The researchers emphasize they are not saying there is no limit to the ri...Researchers seek new hope in old asthma treatment
... asthma. About a third of all asthma sufferers are unable to manage their asthma well, Irvin said. The LODO study aims to test its effectiveness as an add-on therapy for this population. Theophylline is a pill-form asthma treatment classified as a bronchodilator that has been used for over 50 years to help...Implantable device pumps up ailing heart
...lass IV, says Frazier. Most class IV patients are unable to do simple activities such as ironing clothes or making a bed because their hearts cannot pump enough blood to meet even slight demands. Frazier says only about 2,000 hearts are available for transplant each year. He estimates that half of all cl...Blocking gene may reduce lung scarring caused by radiation therapy
...ny of these patients go home on oxygen or at least unable to golf or garden or do whatever they did before," said Dr. Dennis Hallahan, professor and chairman of Radiation Oncology and professor of Biomedical Engineering. "If we can eliminate or reduce the side effects and complications of treatment, we make...New wireless imaging test identified the cause of gastrointestinal bleeding in majority of patients
...testinal (GI) bleeding in the majority of patients unable to be diagnosed with conventional imaging methods. The test involves swallowing a tiny camera-in-a-capsule that takes constant color pictures as it passes through the GI tract. The findings, presented at the annual meeting of Digestive Disease Week...Stress leaves blood vessels tightly wound
...helin-A (ETa). As a result, the blood vessels are unable to respond properly to changes in blood demands (i.e. expanding and contracting to accommodate different amounts of blood flow). The condition can increase the risk of a heart attack or stroke. Swiss researchers studied subjects ages 20 to 31 years ...NEMO submerged in virus-prone boys
...nt (NK cell cytotoxicity). To date, they have been unable to tease apart the contributions of these mechanisms to human health, but Orange et al. now report on a mutation of the adaptor protein NEMO that impairs the latter while sparing the former. NEMO is the product of an essential X-linked gene, and it ...Students invent voice-activated grasping tool for disabled man
...ect. But progressive muscle deterioration left him unable to grasp and lift even small objects. To help him, the VME sponsored a project in the Johns Hopkins course. The task of designing and building the device went to a team consisting of three senior students: Jonathan Hofeller, 21, a mechanical engineer...130-year-old mysteries solved: how nitroglycerin works; why patients develop tolerance
...otally depleted of active enzyme and are therefore unable to break down nitroglycerin.That is why patients eventually become tolerant to its effects. Additionally, by damagingmitochondria, nitroglycerin can actually damage the precious heart cells it is being given toprotect. Interestingly, according to St...