Tag: "transcranial" at medical news
New Ultrasound Technique Is Alternative To Cerebral Angiography
...t that acombination of two forms of ultrasound -- transcranial
Doppler ultrasound andduplex carotid ultrasound --...ients. On each they performed cerebralangiography, transcranial
Doppler and duplex carotid ultrasound and found nostatistical difference in the results. This shows,...
3D Ultrasound Gives Better View Of Brain's Arteries
...rototype magneticsensor workstation to reconstruct transcranial
ultrasound in 3D. The prototypeworkstation, manuf... of 1997.) When analyzing the 3D images of transcranial
ultrasound from 20patients, Delcker and his colleagues found two things: First, identificat...
Ultrasound Helps Pediatric Heart Surgeons After Open Heart Surgery
...y. Using a non-invasive method such as the transcranial
Doppler withchildren has a particular advantage ov...er methods such as the echocardiogram. The transcranial
Doppler requires a small-size probe applied around thetemple area, while an echocardiogram is invasi...
Scientists Track Effectiveness Of Migraine Drugs With Ultrasound
...d about 60 migraine patients in the past yearusing transcranial
Doppler ultrasound both before the patients receiv...cation and after six months treatment. The transcranial
Doppler measures the speed at which the blood flowsthrough their arteries in the brain. Migraine pat...
Magnet Therapy Eases Severe Depression, Double Blind Study Shows
...eneralPsychiatry, provide convincing evidence that transcranial
magnetic stimulationof the brain (TMS) is effectiv...pairment. The effectiveness of repetitive transcranial
magnetic stimulation(rTMS), a refinement of TMS, was tested on 67 patients in a double-blind study--...
Treatment-Resistant Depression: Results of Latest Electromagnetic Stimulation Study Show Promise
...p. "These results suggest rTMS (repetitive transcranial
magneticstimulation) may be a viable option for patients with treatment-resistantdepression," the authors say. Prior to receiving rTMS, "There were an average of seven antidepressantfailures per patient and eight patients had failed electroco...
We do 'feel with the mind's eye,' confirm Emory researchers in Nature
...performed the taskswhile researchers used harmless transcranial
magnetic stimulation to transientlyblock the funct...ladze in humanelectrophysiology, of Dr. Epstein in transcranial
magnetic stimulation and of Dr. Grafton in functional brain imaging." The work was supporte...
UF researchers show magnetic stimulation may be a safe alternative to shock therapy
...dard medications. The treatment, called repetitive transcranial
magnetic stimulation (rTMS), usespowerful magnetic fields that pulse in fractions of a second to induce a smallelectrical current in the brain, said Dr. William Triggs, an associate professor of neurology in UF's College of Medicineand the study's pr...
Magnetic stimulation may be as effective as electroconvulsive therapy in treating severe depression
magnetic stimulation, or rTMS, which delivers brief but intense magnetic pulses to the brain, may be as effective as traditional electroconvulsive therapy in treating severe depression, according to a University of Illinois at Chicago study. That's...
Do stroke therapies really work?
...ress those areas instead. Using a technique called transcranial
magnetic stimulation, the researchers apply a magn...am of Northwestern University in Chicago says that transcranial
magnetic stimulation is an imprecise technique, and it is not always clear whether the stimulation e...
New device finds silent clots, may help prevent strokes
...rt Association. The device, called multifrequency transcranial
Doppler (MTCD) ultrasound, also allows physicians ...ow through vessels in the brain. The conventional transcranial
Doppler generates sound waves at just one frequency. The MTCD device generates sound waves at two f...
Mimicking brain's 'all clear' quells fear in rats
...r patients, using an experimental technique called transcranial
magnetic stimulation, might help them control fear....
Stroke news tips for Thursday, Feb. 5, 2004
...stenting. A new technology called multi-frequency transcranial
Doppler (TCD) ultrasound has shown it can tell doctors whether microscopic particles created during carotid artery procedures are merely gas bubbles or dangerous tiny clots that can reach the brain, causing small but damaging strokes. Houston resear...
High blood pressure in the lungs a major risk for death in adults with sickle cell disease
...occurred in the mid-nineties. We saw that use of a transcranial
Doppler exam changed the screening and management of pediatric patients with sickle cell disease in that it defined important clinical decision points that successfully led to preventing--or at least improving--the odds of reducing strokes in childre...
Magnetic treatment may help people with spinal cord injuries
...ncomplete spinal cord injuries received repetitive transcranial
magnetic stimulation (rTMS), leading to improvements in their ability to move muscles and limbs, and ability to feel sensations. rTMS uses an electromagnet placed on the scalp to generate brief magnetic pulses, about the strength of an MRI scan, whi...
Guideline evaluates use of transcranial doppler ultrasound
...American Academy of Neurology evaluates the use of transcranial
Doppler ultrasonography (TCD) to determine when use of the test leads to better informed decisions by doctors and improved patient outcomes. A TCD is an ultrasound test that uses reflected sound waves to evaluate blood as it flows through the brain. ...
Researchers induce temporary blindness to learn more about vision
...f the brain that processes what the eye sees with transcranial
magnetic stimulation (TMS), a harmless noninvasive technique using brief magnetic pulses. When applied to the visual cortex, TMS induces temporary, reversible blindness lasting only a fraction of a second. TMS was administered on 75 perce...
Ultrasound-aided therapy better than stroke drug alone, trial finds
...earchers wanted to test the effectiveness of using transcranial
Doppler ultrasound (TCD) in combination with t-PA,...Combined Lysis Of Thrombus in Brain ischemia Using transcranial
ultrasound and Systemic t-PA). "In the past 30 years, scientists around the world have shown that ul...
Ongoing transfusions needed to avoid strokes in children with sickle cell disease
...Too many of those taken off had return of abnormal transcranial
Doppler, the best indicator we have of stroke risk...en who reverted to low stroke risk based on normal transcranial
Doppler and magnetic resonance angiography after treatment. The study was to have enrolled 100 chil...
NHLBI stops sickle cell anemia transfusion study
...d risk of stroke. Stroke risk was determined with transcranial
doppler (TCD) screening, an ultrasound technique that measures the velocity of blood flow in the brain. A high blood flow velocity in one or more major arteries of the brain is linked with narrowing in key blood vessels supplying the brain, which in...