U of M researcher says Viagra may cause permanent vision loss in some men
...cup to disk ratio means that the blood vessels and nerves are tightly bundled together into the small space ...low cup to disk ratio, where the blood vessels and nerves are tightly bundled provoking NAION," says Pomeranz. The onset of NAION within hours after ingestio...Some brain cells 'change channels' to fine-tune the message
...ell's activity level depends on its neighbors, the nerves and other cells that connect to it. Although they don't physically touch, the cell and its neighbor are so close to one another at these connection points, called synapses, that molecules released from one cell travel immediately to the next. These ...Short-term effects of spit tobacco suggest long-term health risks
...hanism By placing electrodes into the sympathetic nerves of the participants, the researchers also obtained a window on the message from the brain to the blood vessels on a moment-by-moment basis. Normally, when blood pressure is increased by an external substance, the body seeks to protect the cardiovascu...Cryoablation is effective in treating cancer patients' pain
...freezing process kills cancer cells, small sensory nerves cells and inflammatory tissue, thus easing the patient's pain, Dr. Dupuy said. "We can watch the ice ball form on CT as it is being done to ensure the appropriate area is being treated," he said. "This is generally an outpatient procedure, and all pa...Schepens scientists regenerate optic nerve for the first time
...cord. For all mammals, including human beings, CNS nerves lose their ability to regenerate after injury at t... optic nerve regeneration in postnatal mice, which nerves grew rapidly and reached from the eye to the brain in four days. But the regeneration happens only i...Exercise therapy builds strength, mobility in MS patients
...se that damages the protective fatty sheath around nerves in the brain and spinal cord. Some patients experience a pattern of disease flare-up followed by disease free periods, while others may have a steady worsening of the disease over time. According to the Multiple Sclerosis Foundation, between 350,000 ...Next generation body scanner launched by the University of Manchester
... the body such as individual vessels in the brain, nerves and cartilage. Researchers working in the fields of cancer, stroke and mental illness will be among the first to benefit from the scanner. By studying patients, they will be able to look at the way brain tumours and cancers grow and develop and how ...Promise of 'bladder pacemaker' for people with spinal cord injury
...ice that empties the bladder by stimulating sacral nerves at the base of the spine. However, implanting this "Vocare device" requires doctors to cut sensory nerves and insert electrodes into the spine. Many patients are reluctant to do this because of concerns abo...New way to diagnose sciatica may point to a different cause
...diagnosis of a damaged disc, despite the fact that nerves cannot be viewed with routine imaging tests. Cons...ld talk to their doctors about special imaging for nerves with MR neurography." Sciatica occurs when the sciatic nerve is pinched or irritated, causing pain t...Study proves catheter ablation safe for patients
...ll Medical Center assessed the function of cardiac nerves in patients undergoing catheter ablation with radi...mined that no significant injury occurs to cardiac nerves as a result of ablation, and changes in heart rate during the procedure are transitory and are relat...Study shows that diabetes increases risk of blood poisoning
...lth troubles, including kidney problems, damage to nerves and blood vessels and blindness. A heightened risk of infections in diabetic people has also been suggested. The condition known as sepsis can be brought on by bloodstream infection, and may lead to fever and septic shock, a potentially fatal drop in...Antibody treatment partially reverses nerve damage in Alzheimer disease
...ance of Abeta, if significant structural damage to nerves is reversed, remains, or continues. Using a mouse ... treatment and monitored the structural changes to nerves within the mouse brains. They observed that following treatment of the brain surface, there was a si...JCI table of contents, January 20 2005
...ance of Abeta, if significant structural damage to nerves is reversed, remains, or continues. Using a mo... treatment and monitored the structural changes to nerves within the mouse brains. They observed that following treatment of the brain surface, there was a si...More precise radiation therapy lets prostate cancer patients avoid erectile dysfunction
...prostate or radiation therapy. During surgery, the nerves that control erectile function may be severed which has led to new surgical techniques to avoid cutting those nerves. But doctors are less sure what causes erectile dysfunction after radiation therapy. Erectile dysfunction among men without prostat...Workers with carpal tunnel find relief with night-time splinting
... the non-splinted group, participants with healthy nerves noted reduced hand/wrist discomfort, while those with injured nerves felt no improvement over time. Those who used the splint both with healthy and injured nerves saw ...Antibiotics protect nerves in mice by turning on genes
... effects. In the brain, glutamate normally excites nerves so that electrical signals can travel from one to the next. But too much of the chemical can overstimulate and kill nerves, a factor in ALS and some other diseases. In a series of experiments, the researchers discovered that the antibiotics activate ...Women need less morphine after hysterectomies with new treatment
...ral with local anesthetic that partially numbs the nerves to the affected site will prevent the pain caused by deep breaths or coughing, and allow the lungs to recover better. Epidurals are currently the best pain treatment option after many major surgeries. However, this is a fairly invasive procedure, whi...Birth simulator helps physicians I.D. least forceful way to manage problem deliveries
...lt in an injury to the baby's brachial plexus, the nerves that control movement and sensation in the arm. A...on, rotation and stretching of the brachial plexus nerves during delivery. To deliver the "baby" during the study, Gurewitsch wore a force-sensing glove. The...Sudden death from stress linked to wonky signals in the brain
...ests that uneven brain activity, in a region where nerves link directly to the heart, seems to result in an ...thways, known as autonomic nerves. These autonomic nerves control heart rate during physical or mental activity. To maintain a regular heartbeat, the electric......scovered how one family of proteins repels growing nerves and keeps them properly on track during developmen...and agents, but exactly what part of the mix keeps nerves from regrowing is unknown. In studies of nerve growth in developing rats, the Hopkins scientists ha...