Tag: "size" at medical news
ASU researchers demonstrate new nanotech effect - moving water molecules by light
...signed from the molecular level up. As the overall size
of these devices shrink, the nature of the surface plays an increasingly important role because a greater percentage of the molecules in a nanotech device reside on the surface. The ability to manipulate surface molecules using everyday means, such a...
Siblings help children get along with others in kindergarten
... possible broader consequences of declining family size
in the United States. "We're involved in a huge social change that has ramifications for all of us that are largely unexplored," he said. "People are growing up with fewer siblings as our families get smaller. It's worthwhile to ask what th...
News tips from the Journal of Neuroscience
... underlying neuropathology, the differences in the size
of brain structures in male children and adolescen...he related Asperger's syndrome. While the cortical size
was unaffected, the hippocampus was slightly larger in autistic subjects than controls. Interestingl...
Cryogenics research yields possible cure for arrhythmia
...re of refrigerant inside the catheter and thus the size
of the tissue area to be frozen. Inside the heart, the catheter can achieve temperatures below minus 80 degrees Celsius (minus 112 degrees Fahrenheit). ...
3D neutron-based medical imaging, 4D lung scans, and hitting a moving tumor
...ift their focus from imaging cancerous lesions the size
of a cubic centimeter, or a billion cells, to identifying single tumor cells. "The future of medical physics will be tied to such advances," he says. Describing the dramatic technological change over the last 10 years in how radiologists read the r...
Nanoshells cancer treatment proves effective in first animal test
...ive them unique optical properties. By varying the size
of the core and the thickness of the gold shell, r...imal trial involved 25 mice with tumors ranging in size
from 3-5.5 millimeters. The mice were divided into three groups. The first group was given no treatm...
Benefits of screening for lung cancer with CT are not proven
...imply because it detects lung cancers at a smaller size
than other screening techniques, according to researchers at Duke University Medical Center and the Mayo Clinic. CT scans have a finer resolution and can display smaller nodules more clearly and earlier than conventional chest X-rays, said the author...
May/June 2004 Annals of Family Medicine tip sheet
...he implications of clusters to avoid costly sample size
errors. Using a case study with accompanying equations, the authors show that clustered samples are not as statistically efficient as simple random samples. Click here to view a pdf of the complete article. Adjusted X2 Statistics: Application to...
Knowing severity of other illnesses can help predict outcomes for cancer patients
... 40 years, cancer patients have been staged by the size
of their tumor while ignoring how sick they are from the tumor and considering other medical conditions, according to background information in the article. The present system of cancer classification does not consider patient-based prognostic factor...
When it comes to cancer prognosis, it's not just the tumor that matters
...used to track and study cancer data focus on tumor size
and typically ignore comorbidity statistics, accor...on with data they already collect, including tumor size
and type. Their latest study presents findings based on the more than 17,700 patients in the Barnes...
Antioxidant component of green tea blocks new but not established arterial plaque in mice
...ation. In fact, there was little difference in the size
of the plaque after 42 days compared to 21 days. But treatment had no effect on established plaque. "EGCG treatment was started late, when atherosclerotic lesions in the aortic sinus were already at an advanced stage," said Dr. Chyu, who serves as an...
Breast cancer in men increasing
...d papillary carcinomas (2.6 percent). Larger tumor size
and axillary lymph node disease were independently associated with shortened survival. Tumor grade and receptor status were not. The authors conclude: "this data suggests that the incidence of male breast cancer is climbing, men are diagnosed with la...
New research shows reasons for smoking vary
...nical and Consulting Psychology, suggests that one size
does not fit all when it comes to motivations for smoking. A new questionnaire designed to measure tobacco dependence, the Wisconsin Inventory of Smoking Dependence Motives (WISDM-68), has uncovered surprising variability in the reasons people smok...
Studies identify risk factors for colon cancer
... However, their effects were limited by the large size
of the patient population. The incidence of insulin resistance is rising in the US and colon cancer remains the second leading cause of cancer death. The geographic patterns of the two diseases are extremely similar; both were considered relatively...
Jefferson researchers announce recommendations on when to test blood pressure in young children
...blood pressure is traditionally determined by body size
and age. The guidelines offer blood pressure stand...de a more precise classification according to body size
and avoid misclassifying children who are very tall or very short. The guidelines also encourage pe...
Cutting-edge science offers improved care for liver diseases
...na Lok, M.D., of the University of Michigan. "The size
of this population requires more attention from the research community for improved preventive and treatment solutions." Transplantation of Human Umbilical Cord Blood Cells to Injured Liver (Abstract 101357*) While stem cell transplantation continues...
Body fat and its role in breast cancer
...s that have examined the relationship between body size
and incidence of breast cancer suggest that taller... cancers were identified. Results showed that body size
was more strongly associated with breast cancer risk in postmenopausal women than premenopausal wome...
Kidney cancer surgery safer at high-volume hospitals
...volumes can affect the outcome, such as age or the size
of the tumor; therefore, we cannot specify an absolute cutoff for the number of surgeries that hospitals need to perform to be considered 'adequate' experience," says lead study author David Taub, M.D., a Urology resident at U-M Medical School. In ad...
Cardiac complications from smallpox vaccination higher than expected among military personnel
...ed at a rate greater than you would expect in this size
population. The U.S. Department of Defense resumed smallpox vaccination of military personnel in December 2002. As of June 2003, more than 450,000 military personnel have been vaccinated and carefully followed to identify and manage any adverse rea...
Why youngsters try to do impossible things
...lhouse chairs. "Even infants can discriminate the size
of objects, so the question is why children someti...erent area is involved in the perception of object size
and in the use of visual information to control actions on objects. The children's dramatic failur...
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