Tag: "controlled" at medical news

New study finds kelp can reduce level of hormone related to breast cancer risk

... That led me to believe it was worth doing further controlled studies on kelp." For the new study, the researchers randomly divided 24 female rats into three groups. One group was fed a high daily dose of 70 milligrams of dried, powdered kelp for four weeks, while a second group was fed a low daily dose of 35 ...

Rat whisking may provide insight into debilitating eye disorder

...create a vicious cycle. For example, in a furnace controlled by positive feedback, rather than negative feedback, the warmer a room became the more the thermostat would signal the furnace to turn on. This type of vicious cycle appears to occur in blepharospasm. Normally, the blinking reflex protects the eye f...

American Thoracic Society Journal news tips for February 2005 (first issue)

...S PATIENTS British investigators have effectively controlled the major transmissible pathogen that affects cystic fibrosis (CF) patients, Pseudomonas aeruginosa, by effectively segregating patients with transmissible disease during hospitalization at their dedicated CF facility. Researchers realized that desp...

Women's heart risk underestimated by doctors, resulting in less preventive care than in men

...diologists) strongly agreed or agreed that factors controlled by the patient were the greatest barrier to preventing heart disease. "This may reflect a perceived difficulty in influencing crucial lifestyle factors within the patient's control, not the physician," said Mosca. "Lack of time to practice preven...

No magic pill for treating dementia symptoms

...education may be effective. "Larger, well-designed controlled trials of non-drug interventions are needed," said Sink, an assistant professor of internal medicine geriatrics. The authors said that additional studies of drug therapy are also needed and that a large multi-center center study now under way to c...

Middle ear infections: Prescribe antibiotics or not?

...te. Le Saux and colleagues report on a randomized controlled trial in which 512 children aged 6 months to 5 years in whom a new episode of acute otitis media was diagnosed received either amoxicillin or placebo. The authors report a higher rate of cure after 14 days in the group receiving amoxicillin. However...

Views from space help oil prospectors see deep underground

...ates that vibrate the ground to provide a far more controlled source," Laake explains. "Depending on the target, the trucks can be tuned to work across a pre-defined frequency spectrum, providing 'multicoloured' views in terms of elastic waves." To achieve high-fidelity reservoir characterisation, the su...

Monkey 'pay-per-view' study could aid understanding of autism

... aim of the study, said Platt, was to bring into a controlled laboratory setting the kinds of social judgments that monkeys were observed to make in the wild. "Decades of studies of monkeys in the wild have indicated that they act as if they make judgments about dominance rankings and of the importance of other...

Rice scientist recognized as pioneer in tissue engineering

...t support and guide developing tissues through the controlled release of bioactive molecules, and they are investigating nano-structured materials that can enhance the strength and load-bearing properties of scaffolds for orthopaedic applications. They are also developing new fumaric acid-based polymeric carrie...

A global treatment for iron deficiency

...the Sprinkles intervention has been evaluated in a controlled manner," say the authors. "We determined that the use of encapsulated iron did not appreciably change the taste or color of the food to which it was added, we showed that the haemoglobin response in anaemic infants was equivalent to the current stan...

Vaginal hysterectomy leads to better outcomes than abdominal surgery

... studies included in the analysis was a randomized controlled trial directly comparing one type of hysterectomy with another. "The introduction of the newer techniques of laparoscopic hysterectomy has, we feel, made us all look more critically, not only at the newer approaches, but indeed at all approaches to h...

Routine use of nose-to-stomach tube slows recovery from abdominal surgery

...Nelson and his co-authors identified 28 randomized controlled trials of emergency or elective abdominal surgeries. They did not include studies of laparoscopic surgeries or those involving gastrostomy -- an artificial opening directly to the stomach. In the eligible trials, a total of 4,194 patients had been ra...

Clinical trial participants fare no better, no worse than other patients

People who participate in randomized controlled studies to test new therapies seem to fare no bett...the assertion that the results of RCTs (randomized controlled trials) are not applicable to usual clinical practice," report the authors, who say this review is t...

Annual mammogram, doctor visits are enough for breast cancer follow-up

...topic. The current review includes four randomized controlled trial studies of 3,055 patients that compare diffe...er have improved, which may justify new randomized controlled trials," Fossati says....

Counseling encourages exercise; environment changes may help

...e 16 and older. All of the studies were randomized controlled trials that compared different ways to encourage s... colleagues were not as rigorous as the randomized controlled trials included in the Cochrane analysis. The Centers for Disease Control and Prevention recommend ...

Adding radiation therapy to chemotherapy improves survival in patients with high-risk breast cancer

...-risk patients, we strongly urge that a randomized controlled trial be mounted to resolve these uncertainties," they write....

Program effective at reducing depression in teens

...fter a 6-month intervention period. The randomized controlled trial was conducted between 1999 and 2003 and included 418 primary care patients, aged 13 through 21 years, with current depressive symptoms. The participants were from 5 health care organizations purposively selected to include managed care, public...

Collaborative care, training boosts adolescent depression treatment in primary care clinics

...tive care." Researchers conducted the randomized, controlled trial between 1999 and 2003, enrolling 418 primary care patients (ages 13-21) with depression symptoms. Participants either received standard care, or care using the model program. Patient outcomes were evaluated after a six month period when the mod...

New figures highlight trends in drug and alcohol misuse

... disorders due to alcohol, 7,380 admissions due to controlled drugs, and 3,366 admissions for accidental self poisoning with alcohol or controlled drugs. Although admission rates for mental and behavioural disorders caused by alcohol have remained...

Marijuana associated with same respiratory symptoms as tobacco

...rs also smoked tobacco. The analysis statistically controlled for the number of cigarettes smoked per day. Individuals who smoked both marijuana and tobacco had increased rates of respiratory symptoms compared to those who smoked tobacco only. "Our interest is in the additive effect of marijuana," Moore said....

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