Tag: "limb" at medical news

U of MN research indicates why radiation therapy reduces bone cancer pain

...tion dose decreased painful behavior and increased limb use, which was associated with a decrease in bone destruction and tumor burden. Treated mice demonstrated greater pain relief and had significantly less bone destruction and tumor burden than untreated mice. Recent studies have demonstrated that tu...

Study moves in on why astronauts suffer bone loss

...receptor signaling system inside the cell." When a limb is immobilized in a cast, when an astronaut experiences zero gravity, or whenever a person lies down, the weight-bearing bones of the body such as those in the spine and leg, are relieved of their burden, a condition known as skeletal unloading. When...

Mouse model of neuromuscular disease identifies key player in motor neuron death

...ult-onset progressive weakness and degeneration of limb muscles, often resulting in the patient being conf...epeats. The mice developed a gradually progressive limb weakness around mid-adulthood that was accompanied by motor neuron degeneration, strikingly similar ...

Study will identify best treatment for type 2 diabetes in youth

...diabetes. It is the main cause of kidney failure, limb amputations, and new onset blindness in adults and is a major cause of heart disease and stroke. Type 2 diabetes, most common in adults over age 40, accounts for up to 95 percent of all diabetes cases. The prevalence of type 2 diabetes has risen dr...

Researchers say stenting the best treatment for blocked leg arteries

...at gangrene develops or amputation of the affected limb is necessary. Until the introduction of the stent, a small metal tube, 10 years ago, the only way to open up such vessels was surgically, bypassing the blockage with a healthy vein or artery. Increasingly, interventional radiologists are treating th...

Study finds nerve damage can affect opposite side of body

... "This loss of nerve fibers in the contralateral limb is so precise being confined to areas innervated by the matching nerve that the communication is likely to involve nerve cells or the supporting glial cells," says Oaklander, an assistant professor of Anesthesia and Neurology at Harvard Medical Sch...

Two-stage weight loss surgery for high-risk, morbidly obese patients reduces surgical risk

...l segment of intestines by constructing a Y-shaped limb of small bowel. "Extremely high-risk patients are typically denied bariatric surgery management because of their excessive operative risk," said Philip Schauer, M.D., assistant professor of surgery and director of bariatric surgery at the University ...

Ultrasound treatment for hurt muscles may feel good, but doesn't promote healing, study suggests

...ick," Devor said. The researchers treated one hind limb on each rat with ultrasound daily for seven days for five minutes per session. Ultrasound waves were transmitted through a small wand that was rubbed along the rats' limbs. The other limb, used as the control, was left to recover on its own. Rats wer...

Successful therapy for head and neck cancer may lead to long-term circulatory problems

...cerine. The integrity of the cardiovagal efferent limb of the baroreflex was measured through power spectral analysis of heart rate variability during slow, deep respiration. To test the sympathetic noradrenergic limb, the researchers observed blood pressure and heart rate during the cold pressor test. ...

Parkinson's drug effective in treating restless leg syndrome

...ficacy measures were sleep efficiency and periodic limb movements during sleep (PLMS). Severity of RLS was assessed by the validated International RLS Scale. In phase one, pergolide reduced PLMS arousal index versus placebo and improved RLS severity scores, though it did not improve sleep efficiency. Pati...

Carbon monoxide from smoking helps keep arteries open following angioplasty

...g angioplasty and stent placement within the lower limb arteries may help prevent restenosis. "Smokers exh...nd stent placement to repair obstructions in lower limb vessels have a high rate of restenosis," Dr. Schillinger said. "Up to 60 percent of patients who und...

Study: Dementia often undiagnosed in clinical settings

...without dementia due to changes in equilibrium and limb coordination, as well as inappropriate use of psychotropic, cardiac and analgesic drugs. They also are twice as likely as people their age to visit the emergency room. According to the study, lagging dementia assessment in primary care could be due t...

Angiogenesis therapy successful for peripheral arterial disease

...pon exertion. More severe cases, known as critical limb ischemia, can lead to gangrene or tissue death, of... For their experiments, the researchers induced limb ischemia in the hind legs of rabbits. Ten days later, they injected the plasmid into the effected le...

New understanding of neural circuits may help development of thought-controlled prosthetic devices

... leg, or foot. An injury that causes the loss of a limb or damage to the spinal cord can sever this communication line and prevent desired movement. In theory, a thought-controlled prosthetic device, also known as a brain-machine interface, could bypass the loss or damage by directly interpreting nerve ce...

Exercising limbs protects brain cells affected by Parkinson's, study in rodents shows

... To determine if forcing exercise of a particular limb could be protective against Parkinson's, Dr. Zigmo... administered to the brain on the same side as the limb that had been casted. The researchers observed no deficits in movement with either limb. Most import...

Several new techniques show promise for spinal cord repair

...f Zymosan into one of the nerves (C8) of the upper limb of adult, female rats at the C8 dorsal root entry zone (DREZ) . Seven days later, the C8 dorsal root was crushed three times with #3 jeweler's forceps. Using a subset of 12 animals, the investigators microinjected 2 l (20 U/l) of cABC, in addition to...

Exercise for special populations, sensory research, factors impacting rehabilitation top issues

...e of swing with the prototype. Most residual limb changes occur within minutes of removing prosthesi... 683 This research determines how much a residual limb changes volume and shape after prosthesis removal. A custom optical scanner was used to image the re...

Advanced, precise radiation may boost limb-sparing therapy for sarcoma

... some cases, today-surgeons have had to amputate a limb to treat soft-tissue sarcomas. But limb-sparing procedures and new technological breakthroughs are helping make modern treatment less drastic. Physicians want to take advances even further, trying to keep radiation from harming skin that is healing f...

Heart attack, stroke risk overlooked in diabetics

...hat fewer than 10 per cent who had undergone lower limb amputations related to their diabetes were on heart medications, Johnson said. "Having an amputation indicates an extreme severity and an increased risk of stroke and heart attack. The use of heart medication should be higher, but it is very low, so ...

Insomnia poorly understood by medical profession

...cal sleep disorders--eg, sleep apnoea and periodic limb movement disorder--are essential steps in management of insomnia. The authors discuss how drug treatments are common, despite little empirical research among patients with insomnia: 'Approved hypnotic drugs have clearly been shown to improve subj...

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