Tag: "size" at medical news

New research suggests two brain areas critical for short-term memory

...s off." Using multiple electrodes smaller than the size of a human hair, the researchers recorded activity in the hippocampus and subiculum as rats performed a memory task. The results showed that both brain structures "encode" or "remember" information, but they do it at different times. For the memory t...

Promoting the brain image bank

...ata from researchers around the world. The overall size of their collection is about 2.6 terabytes (for comparison, about ten terabytes could hold the entire printed collection of the Library of Congress). "We persevered in spite of the reception we received at first," says Van Horn, who serves as Operat...

$5 million NIH contract to fund development of pediatric heart assist device

...ose even more complex problems. Due to the smaller size of the blood pump, blood flow in the smaller versi... grafts or tubes, the fluid dynamics change as the size changes," Weiss said. "In the smaller pumps, dead zones, or low-rate flow zones, can form inside the...

Obesity reversed in mice by destroying blood vessels that service fat cells

...e the normal weight of mice that had doubled their size by eating a high-fat "cafeteria" diet. Although the work has only been conducted in animals, the authors say it may one day lead to the development of targeted therapies to treat human obesity, which is a risk factor for numerous conditions including...

Food displays, food colors affect how much people eat

...o 50 percent more than those given a container one size smaller -- even when the popcorn is stale. Other studies have found that, hungry or not, office employees will eat more if their desks are stocked with food, or if the food is nearby, or if the package is open, or if the container holding the food is...

Rx pain medicines hard to find in pharmacies serving minority neighborhoods

...opioid supply. However, Green cautions, the sample size is too small to draw many conclusions about this interaction. "We need to examine this issue further," she explains. "The bottom line is, if a pharmacy doesn't stock a certain medication, a person in pain may end up in a situation where their physici...

MRI is better than PET for detecting small metastatic lesions in the liver

...red less than 1 cm. The number of lesions and the size of lesions are critical, said Dr. Sahani, because that is what determines treatment. "Per lesion analysis showed that MRI had an accuracy rate of 75.5% compared to 64.1% for PET," said Dr. Sahani. Dr. Sahani noted that the MRI contrast agent that wa...

Tissue involved in brain development may offer new approach to stroke treatment

...ment exactly how the choroid plexus reduces stroke size and resulting neurological and motor function damage, at least in animals. "We know it does something," he says, but he is still working to determine if that 'something' is producing neurotrophic factors and stem cells. Other challenges between labor...

Biopsy system is effective in completely removing benign breast masses

...cedure takes about 20-40 minutes, depending on the size of the mass, said Dr. Slanetz. That compares to a 30-60 minute surgical procedure, that includes anesthesia and a 1"-2" incision followed by stitches in the breast. "We are still awaiting follow-up of the patients to see if there is any recurrence ...

Cancer gene therapy news backgrounder: New ideas fuel next generation gene therapy research

...ollege of Medicine, the special "liposome" is of a size that is easily absorbed into cells. "Dr. Templeton hit upon a liposome size that had a very efficient transfer into cells," says Charles Lu, M.D., an assistant professor in the...

Eating habits as important as meds for diabetic blood sugar control

...oods; limiting portion sizes of food; limiting the size and frequency of desserts; reducing high-fat foods; choosing low-fat foods; choosing low-fat menu selections; and eating low-fat foods for breakfast. The Do's in the Meal Planning category are: Eating regularly (three meals a day); eating low-fat ...

Child safety restraint use increasing in auto trips

...children into optimal restraints for their age and size on every trip." The challenge for policymakers is to sustain and increase their efforts to ensure more children get buckled up correctly, says Dr. Winston....

Combination therapy w/ ACTOS (pioglitazone HCI) shown to improve components of diabetic dyslipidemia

...article size, ACTOS can significantly increase the size and buoyancy of HDL particles. The findings were ...blished that increases in LDL cholesterol particle size are associated with ACTOS therapy, these new data show that HDL or 'good' cholesterol particles are ...

Malaria: Plasmodium togetherness a strategy for breeding success

...n Plasmodium gametocytes, even if their very small size (10 microns) theoretically predestine them for a homogeneous distribution in the mosquito stomach. Simulations tested this hypothesis, each assuming different quantities of circulating gametocytes. They showed that the heterogeneous distribution of g...

Merging hearing technologies sounds good to researcher

...ow working on a similar study with a larger sample size and a new study with adaptive directional microphones. The latter is supported by a New Investigators Grant from the American Academy of Audiology. Purdue's Department of Audiology and Speech Sciences is ranked among the top 10 in the nation by U.S.N...

Electronic nose device proves effective for diagnosing pneumonia and sinusitis

...mples are taken with a hand-held sensor about the size of child's video game player connected to a standard oxygen mask with cup, as the patient breathes normally. Readings are displayed by connecting the device to a laptop computer. "Flexibility and ease-of-use are the greatest advantages of the e-n...

Northwestern Memorial tests 'pacemaker' for stomach

...nsists of an electrical pulse generator, about the size of a pocket watch, which is placed under the skin in the abdomen and connected to the wall of the stomach with two wires. The pulse generator delivers electrical stimulation to the stomach, causing the feeling of fullness. Implanting it takes less ...

Preliminary results are promising in Alzheimer's gene therapy trial

...keys restored atrophied brain cells to near-normal size and quantity, and also restored axons connecting the brain cells, essential for communication between cells. With the last human subject now more than a year beyond surgery, no adverse effects from the NGF-producing implants have been detected in the...

LSUHSC microsurgeon performs 1st ever eyelid reattachment

...he damage inflicted by the violent tearing and the size of the surgical instruments not made for such a delicate procedure. Khoobehi used the thinnest suture material made--11-O--to reconnect thevessels that are about the width of 3-4 human hairs, and even that was nearly as large as the opening of the v...

Using smaller hearts could increase donor pool

...nt to be successful, the donor heart must match in size to the heart transplant recipient. "In our study, we found that undersized hearts adapted by increasing in mass. Further, there were no significant differences in function, capacity or survival rates between those patients who received undersiz...

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