Tag: "muscles" at medical news

AIDS Treatments Seek To Eradicate Virus, Restore Immunity

...hes will be implanted into the patients'arm or leg muscles and their progress in restoring a working immune systemwill be closely monitored for two years. "The thymus makes and educates a wide range of immune cells to fightspecific infections," Markert said. "As HIV damages the thymus,the patient's ...

Study Injects New Interest In How Vaccines Work

...of time. "Generally, if you have particles in your muscles for a long time, the body will wall them off and make a nodule or lump," Hem says. "You would expect to see a lot of lumps and nodules in the spot where people get vaccinated, but there are very few reports of such nodules at the site of vaccination....

Ultrasound Detects Pathology In Patients With Whiplash

...rniations and otherabnormalities of the joints and muscles using real-time ultrasonography. These preliminary findings could have a major impact in thecost-effective evaluation of patients with spine injuries, according to Gary A.Kirsch, RVT, RDCS, and Dr. Virginia Poirier. They will report their fi...

Study Reveals Possible Clue For Racial Differences In Prevalence Of High Blood Pressure

...x and widen during stress to redirectblood flow to muscles involved in the "flight or fight" response. "The opening up of blood vessels in response to mental stress is a typicalresponse and, normally, is partly mediated by nitric oxide," adds Panza, head ofechocardiography at NHLBI. "But the activity of nit...

The Visible Humans: Coming Of Age

...a cadaver. "Instead of cutting through a cadaver's muscles to view the bones, a student can remove muscles one at a time by moving the cursor, revealing a real human skeleton with a simple click of the mouse...

Researchers Splice Severed Spinal Cords

... axon, whichcan extend from the spinal cord to the muscles in the leg, for example. In mammals, if nerve fibers outside the brain and spinal cord are damaged,they can regenerate and may eventually reach their original target muscle torestore some function. Spinal cord and brain nerve axons, however, do n...

Discarded Treatment For Heart Attacks May Yet Prove To Be A Life-Saver

...mbination provides additional glucose, which heart muscles can metabolize evenwithout oxygen to produce enough energy to help them maintain their membranesand the "pumps" that move sodium and potassium in and out of cells. It alsoreplaces potassium lost as a result of cell damage. And it may inhibit thein...

MIT Touch Lab Research Explores The Hand

...s and 20 nerve types and is operated by another 20 muscles in the forearm.Indeed, the instrument is so complex that only recently have engineers developedaffordable machines with enough sensors, actuators, and computing power to studyit in detail. As a result, researchers still know relatively little...

Migraine Pain: Not Mainly In The Brain

...rve which sends branches tothe face, the scalp, to muscles surrounding blood vessels in the head and to themeninges. The other symptoms some people experience with migraines, such asnumbness, tingling or visual disturbances, likely involve areas of the brain,rather than meninges, Pappagallo says. T...

ALA/ATS Meeting Explores Gender Differences In Smoking And Lung Transplant Outcomes And Heart Attack Risk From Asthma Medication

...at open up the airpassages. They relax the smooth muscles that line the walls of the breathingtubes and make the airway wider and easier for air to move through. Beta-agonists have many potential side effects on the heart including irregularheart beats. The beta-agonists included in the study were short-ac...

New outpatient surgery is helping women with stress incontinence

...nd much chance of pushing someone awaybecause your muscles can't push as hard as they are being pushed. And when thecircular sphincter muscle that closes the bladder gets weakened by, say,childbirth or aging, it also doesn't stand a chance. The contents of the bladderpush hard when the bladder is full and su...

New gene therapy may allow patients to 'grow' their own bypass around blocked leg arteries

...h factor gene, which will be injected into the leg muscles ofstudy participants, will be studied to document its safety and, secondarily, itsability to cause the formation of new blood vessels in limbs with blockedarteries," says Dr. Anthony J. Comerota, section chief of vascular surgery atTemple, director o...

Weizmann Institute scientists develop a potential future treatment for myasthenia gravis

...s immune systemmistakenly attacks the receptors in muscles that pick up acetylcholine, achemical messenger th... disrupted and thepatient develops weakness in the muscles of the face, throat and limbs. Insevere cases, paralysis of respiratory muscles can be life-threaten...

Controversial performance enhancer "andro" affects brains as well as brawn, say UMass researchers

...rchers have beenconcentrating on how andro affects muscles and athletic performance, the UMassgroup of scientists has focused on what andro does to the brain. The study wasconducted through the University's Center for Neuroendocrine Studies, theNeuroscience and Behavior Program, and the department of psychol...

NYU researchers uncover the neurobiology of decision-making

...ke a movement than to an inability to contract the muscles that produce amovement. If that turns out to be true, then we will have made an importantadvance in understanding just what goes wrong in these patients." Glimcher and Platt's Nature article is based on two experiments, both of whichmeasured the acti...

Doctors find muscle-builder cream caused sex development in toddler

...unity now, and people are usingthem to build their muscles and strength," he said. "If children get hold ofthem they could face some significant problems." First, children are not ready to develop sexually during the first fewyears of life, D'Ercole said. Those with premature sexual development ca...

UI study identifies mechanism that causes cardiomyopathy, exacerbates muscular dystrophy

...o repair the sarcoglycan complex in vascularsmooth muscles and develop additional animal models to evaluate smooth musclecontributions to cardiomyopathy. In addition to Campbell, the other two primary investigators of this most recentstudy included postdoctoral associates Ramon Coral-Vazquez, Ph.D., and Ron...

UI researchers learn more about how exercise affects the colon

...o50 to 75 percent of maximum aerobic capacity, the muscles that propel materialin the colon forward or backwa...ion." "Blood is stolen away from the gut to other muscles during a workout," heexplained, "so if there's less blood flowing to the gut, the gut muscles mustsh...

Pacemaker for larynx allows patients to breathe easier

...alear said."When the stimulus is discontinued, the muscles passively relax back to theirmidline position to allow normal voice production and airway protection." Zealear says about 6,000 patients are stricken with bilateral laryngealparalysis each year in the United States. The condition is created primarily...

'Plug and patch' method of hernia repair an effective replacement for old surgical methods

...pe allows it to expand and contract with the groin muscles to providetension-free hernia repair, according to Millikan. The hole is then coveredwith a specially formulated, plastic mesh patch, which is placed over the entiregroin area for reinforcement before the incision is sewn up. Total time forthis sur...

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