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Tag: "surgical" at biology news

Blood test may help signal tumor's remission, return in throat cancer patients

...Cancers of the head and neck are insidious because surgical removal of the tumor can severely impair a person’s ability to talk and to swallow,” said NIDCD Director, James F. Battey, Jr., M.D., Ph.D. “A blood test that enables doctors to closely monitor a patient’s rehabilitation while sparing the patient’s v...

Dual-imaging technique useful before -- and during -- brain surgery

...is very promising because it allows us to optimize surgical approaches to treating brain tumors to ultimately ...ing room, Leach and his colleagues use a high-tech surgical navigation system known as BrainLAB. The BrainLAB technology incorporates functional MRI data to ide...

3-D ultrasound scanner provides in-depth view of the brain

...pensive and require a dedicated space with special surgical tools that can be used in close proximity to the imagers' powerful magnets. Last year, the Duke team, led by biomedical engineering Professor Stephen Smith, reported the development of a 3-D ultrasound device designed for imaging the heart and oth...

Gene therapy study shows safety and statistically significant improvement in Parkinson's disease

...sts that the improvement was not likely due to the surgical lesioning of the targeted brain region, as surgical approaches typically give rise to immediate, short-lasting benefit around the time of surgery, while...

Focused ultrasound relieves fibroid symptoms in women

...mation Center, fibroids are the primary reason for surgical removal of the uterus, accounting for approximately one-third of hysterectomies performed annually in the U.S. MRgFUS represents a noninvasive, outpatient alternative to hysterectomy. "This treatment is ideal for older women who have completed t...

How brain pacemakers erase diseased messages

... high-frequency deep brain stimulation acts like a surgical lesion, another acceptable treatment for severe tremor disorders and epilepsies. But the electronic device has the advantage of being adjustable or reversible. The researchers' report appears in a special June 2007 issue of the journal IEEE Transa...

'Virtual Patient' to simulate real-time organ motions for radiation therapy

...the 3-D VIP-Man to simulate tissue deformation for surgical procedures, and the idea to take 3-D VIP-Man into the fourth dimension was born. Xu has been working on the 3-D VIP-Man since 1997 using the original Visible Human Project dataset provided by the National Library of Medicine, also funded by severa...

Human stem cell treatment restores motor function in paralyzed rats

...ccurs in 20 to 40 percent of patients undergoing a surgical process called aortic cross-clamping. When the surgeon works on the aorta, a major blood vessel, to correct a potentially lethal aneurysm, blood flow from the heart must be temporarily blocked with a clamp. After 30 minutes, this lack of blood ...

First clinical trial of gene therapy for childhood blindness

...on as children. Mr James Bainbridge, who leads the surgical team, said: "It is very encouraging that we can deliver genes to an extremely fragile site in the eye without complications." Professor Moore said: "Some indications of the results of the trial may be available within several months. However, th...

Study shows dramatic increase in Caesarean sections

...." Dr Pennell said that despite improvements in surgical and anaesthetic techniques, a number of studies show that caesarean sections are still associated with an increased risk of maternal and infant death and health complications. "These data illustrate how a medical intervention that is effective wh...

Transfusion expert urges wider use of filtered blood

...ts and long overdue as a national standard for all surgical procedures, according to University of Rochester researchers who present their analysis in the April journal, Transfusion. The practice of removing the white cells from blood is called leukoreduction. But despite the recommendations of two national ...

Drug-resistant bacterial infections serious complication after corrective eye surgery

...stant bacteria can complicate treatment after many surgical procedures. In particular, Methicillin-resistant S...he next two weeks. The patient is awaiting further surgical treatment. Writing in the article, Eric D. Donnenfeld, MD, advises that, "MRSA infectious keratit...

MU researcher placing eye implants in cats to help humans see

...s in regard to the implants and to further develop surgical techniques. We also are examining the protection the implants might provide to the retinal cells that are dying due to disease progression with the hope that natural sight can be maintained much longer than would be possible in an untreated patient."...

Surgeons develop simpler way to cure atrial fibrillation

...e that radically shortens and simplifies a complex surgical procedure that has had the best long-term cure rate for persistent atrial fibrillation. The simplified procedure is termed Cox-maze IV, and the surgeons believe it can replace the older "cut and sew" Cox-maze III in which ten precisely placed incisi...

No-scalpel vasectomies by skilled surgeons may speed recovery

...ted in learning a new technique." Vasectomy, a surgical form of birth control in which a duct known as the...w-up. Doctors using the no-scalpel method had more surgical difficulties than those who used the incision method ?primarily locating the vas. Even so, the no-sc...

Swell gel could bring relief to back pain sufferers

...ld compare favourably with spinal fusion - a major surgical procedure with considerable recovery time for the ...echnology to replace spinal fusion as the standard surgical treatment for chronic lower back pain." He added that future work will investigate biodegradable ...

Napoleon's mysterious death unmasked, UT Southwestern researcher says

...Even today, with the availability of sophisticated surgical techniques and chemotherapies, patients with gastric cancer as advanced as Napoleon's have a poor prognosis." Napoleon, born Aug. 15, 1769, ruled France in the late 1700s and early 1800s. He conquered much of Europe, but he was ultimately defeated...

Lab research may one day lead to cancer treatment using patient's own immune cells

...ase Medical Center. Julian A. Kim, M.D., chief of surgical oncology at UH Ireland Cancer Center, has received a $660,000 grant from the National Institutes of Health for a five-year study that hopes to lead to new treatments using a set of immune cells, called T cells, to fight skin cancer (melanoma) and bre...

Surgeons with video game skill appear to perform better in simulated surgery skills course

In a study involving 12 surgeons and 21 surgical residents, video game skill was correlated with laparoscopic surgery skill as assessed during a simulated surgery skills course, according to a report in the February issue of Archives of Surgery, one of the JAMA/Archives journals. James C. Rosser J...

Natural polyester makes new sutures stronger, safer

...y of absorbable medical devices, including stents, surgical meshes and possibly a heart valve scaffold, says S...rking on developing other medical devices, such as surgical meshes, multifilament fibers and stents. Ultimately, the researchers hope to develop an artificial s...

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