Tag: "measuring" at medical news

Plastic surgery to the'nines'

... differential geometric calculations go to work in measuring the nose, cheeks, eye sockets and calculating the difficulty in making changes as well as the global effects of surgery -- how changes in one part of the face, say, the forehead, will impact the shape beneath the eyes, for instance. The wavelet fun...

Researchers identify brain pathway to explain how Fenfluramine causes weight loss

...echnique we had earlier developed with Dr. Low for measuring the activity of the POMC neurons allowed us, for the first time, to test the direct effects of hormones, neurotransmitters and drugs on feeding circuits in the brain," explains Cone. "In other research, we had shown that these neurons sense and respo...

Methamphetamine, cocaine abusers have different patterns of use

... perform more poorly than cocaine abusers on tests measuring perceptual speed and the ability to manipulate information, according to Dr. Sara Simon of the University of California, Los Angeles. The typical methamphetamine abuser reported using the drug when he or she first got up in the morning and then usin...

'White coat effect' has adverse effect on blood pressure readings

...m of the research was to assess various methods of measuring blood pressure. Eight doctors and three practice nurses participated in the research involving 200 patients. The patients had either been newly diagnosed with high blood pressure or were already receiving treatment for their high blood pressure. They...

Cause for massively enlarged spleens in tropical countries

...u-Addo examined 221 Ghanaian patients with spleens measuring at least 10 cm, and diagnosed the causes of the disorder by clinical, molecular, and immunological tests. As expected, the most common cause of enlarged spleens was malaria (hyper-reactive malarial splenomegaly, 91 patients [41%]), but unexpectedly,...

Occupational therapy is cost effective, significantly improves quality of life for seniors

...the treatment up against the industry standard for measuring cost-effectiveness, comparing it to therapies such as heart bypass surgery and breast cancer chemotherapy. We demonstrated that occupational therapy is an enormous value for the money." The 15-month "Well-Elderly Study" involved three groups of cult...

Ear thermometry not reliable for precise measurement of infants body temperature

...iew in this weeks issue of THE LANCET suggest that measuring infants body temperature in the ear is not a relia...erature and because it is an established method of measuring temperature in children. The low level of agreement between the two methods might be attributable to...

Fitness level may predict womens hypertension risk

...r. Participants' fitness levels were determined by measuring their oxygen use during stationary biking. Participants were given three tests. First, they performed mental arithmetic by subtracting a two-digit number from a four-digit number without using a calculator or paper and pencil. They were also given a ...

Popular long-acting contraceptive linked to vascular dysfunction

...n't use DMPA. They evaluated vascular function by measuring changes in the brachial artery (the artery in the arm where blood pressure is usually measured) using cardiovascular magnetic resonance imaging (CMR). Twelve women taking DMPA and nine controls completed two brachial artery evaluations by CMR. Rese...

Study finds dramatic decline in physical activity among African-American and white girls

...s 9 or 10 to ages 18 or 19 years. A questionnaire measuring leisure-time physical activity was administered to the girls seven times during the study (years 1, 3, 5, and 7 to 10). The scientists found an association between lower levels of parental education and activity decline in white girls of all ages an...

Chemists show proteins behave differently inside cells than they do in water solutions

...lls. Among other things, the experiments involved measuring the proteins with a nucleus of nitrogen known as N-15 and then recording and comparing their NMR spectrum both inside cells and outside cells under artificially crowded conditions. A report on the findings was scheduled to appear online today (Sept....

Annals of Internal Medicine, tip sheet, September 17, 2002

...rently an accepted and widely available method for measuring bone density. Women at higher than average risk for osteoporotic fractures should begin screening at age 60, the Task Force says. The USPSTF has no recommendation for or against screening postmenopausal women younger than age 60. It says there are n...

Strong statin therapy reverses plaque build-up in arteries

...Shah points to several large scale trials that are measuring the effect of moderate vs. aggressive cholesterol lowering on coronary plaque and cardiac events that should provide additional valuable information in the near future....

JAMA study looks at role of pharmacist in health care

...ing to Dr. Murray this is presumably because those measuring their air flow knew when they needed assistance while those relying solely on symptoms did not. Individuals who consented to participate in this study of pharmaceutical care were randomly assigned to one of three groups. Each cluster of pharmacies...

Doppler-guided fluid administration during surgery improves outcome

...to the aorta, the main artery out of the heart. By measuring the reflection of sound waves directed into the aorta, the EDM is able to measure and calculate the volumes of blood being pumped out of the heart and to the body. Such measures give the anesthesiologist a direct indication of how much fluid needs to...

Child abuse found to be global problem, WHO review reveals

...al scientists across the globe need to think about measuring abuse to determine what's going on." Only a minority of countries have provisions for protecting children in terms of mandatory reporting, child protective services and legal systems that are designed to help kids, he said. That needs to change to...

Annals of Internal Medicine, tip sheet, October 15, 2002

...ysis, which heretofore has been studied mostly for measuring exposure to cocaine, opiates and amphetamines (Editorial, p. 693). The editorial says "hair analysis represents a significant, convenient, and affordable advance in assessing exposure to antiretroviral therapies over extended periods." * * * Late...

Researchers identify less expensive HIV progression test as effective as current tests in use

...blood from a patient, heating the plasma, and then measuring the amount of p24 antigen found in the sample. Higher levels of p24 indicates a greater risk of disease progression," explained Dr. Sterling. The authors found that a p24 level of 5 pg/ml was comparable to a CD4 lymphocyte count of 350 cells/mm3 or a...

People near freeways are exposed to 30 times the concentration of dangerous particles

... traffic derived from heavy-duty diesel trucks. By measuring the number of particles and their size at varying distances from the 405 and 710, Hinds and Zhu concluded that the number of ultrafine particles downwind near both freeways was approximately 25 to 30 times greater than the number upwind. The drop in ...

Men more dependent on exercise than women, UF study shows

...evidenced by their high scores on a standard scale measuring dependency tendencies. With only about 10 percent of Americans regularly active, Hausenblas stresses the number of people who become addicted to exercise is relatively small. "Exercise is beneficial, and it becomes a negative thing in very few p...

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