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Researchers discover markers that identify breast cancer subtypes resistant to Herceptin

Using gene chips to profile tumors before treatment, researchers at Harvard and Yale Universities found markers that identified breast cancer subtypes resistant to Herceptin, the primary treatment for HER2-positive breast cancer. They say this advance could help further refine therapy for the 25 to 30 percent of breast cancer patients with this class of tumor.

20 Feb 2007

The puzzle of mystery dizziness solved

A new study has found that chronic dizziness, may have a variety of causes including anxiety disorders and brain injury.

20 Feb 2007

Plasma skin regeneration tool may help to reduce wrinkles

A study involving eight patients suggests that multiple low-energy treatments with a plasma skin regeneration tool may help to reduce wrinkles and improve facial appearance with minimal healing time, according to an article in the February issue of Archives of Dermatology.

20 Feb 2007

Procalcitonin helps predict prognosis among those with peritonitis

Monitoring blood levels of a compound known as procalcitonin in patients with peritonitis (a serious intra-abdominal infection) could help identify patients at increased risk of organ failure and death, according to a report in the February issue of Archives of Surgery.

20 Feb 2007

Chronic dizziness may have several psychiatric and neurologic causes

Chronic dizziness may have several common causes, including anxiety disorders, migraine, traumatic brain injury and disorders in the part of the nervous system governing involuntary activities, according to a report in the February issue of Archives of Otolaryngology - Head & Neck Surgery.

20 Feb 2007

Avastin slows growth of gliomas

Avastin, a relatively new type of drug that shrinks cancerous tumors by cutting off their blood supply, can slow the growth of the most common and deadly form of brain cancer, a pilot study conducted at Duke University Medical Center has found.

20 Feb 2007

Bionic eye offers light at the end of the tunnel for the blind

Researchers in the United States have been given the green light by the Food and Drug Administration (FDA) to trial a bionic eye implant in blind patients.

18 Feb 2007

HIV protein TAT used to pull protein Bim into cancer cells - helps kill cancer cells

Cancer cells are sick, but they keep growing because they don't react to internal signals urging them to die. Now researchers at Washington University School of Medicine in St. Louis have found an efficient way to get a messenger into cancer cells that forces them to respond to death signals. And they did it using one of the most sinister pathogens around - HIV.

15 Feb 2007

New image-guided technology provides perfect alignment in knee arthroplasty

For patients undergoing total knee arthroplasty, close to perfect alignment should translate into longer durability of joint replacements, according to a renowned panel of orthopaedic surgeons who discussed advancements in computer-assisted total knee replacement (TKR) surgery at the 74th Annual Meeting of the American Academy of Orthopaedic Surgeons.

15 Feb 2007

Vasectomy linked to dementia

Researchers in the United States have linked male sterilization surgery to a certain form of dementia.

14 Feb 2007

Warning over new rotavirus vaccine RotaTeq

Reports in the United States of cases of infants suffering a serious bowel condition as a result of taking a new vaccine against the rotavirus, have prompted the U.S. Food and Drug Administration (FDA) to issue a warning about the drug.

14 Feb 2007

Dipeptidyl peptidase I critical for early growth of abdominal aortic aneurysms

Surgery is the only treatment for an abdominal aortic aneurysm, a weak spot in the body's main artery that dilates dangerously over time.

13 Feb 2007

People from lower socioeconomic backgrounds worse off following heart attack

People from lower socioeconomic backgrounds who suffer a heart attack come to the emergency department more often, are less likely to be treated aggressively and have higher mortality rates a year after the attack, says new University of Alberta research that has important implications for access to cardiac care.

13 Feb 2007

Benefits of two cochlear implants in deaf children

Nature has outfitted us with a pair of ears for good reason: having two ears enhances hearing. University of Wisconsin-Madison scientists are now examining whether this is also true for the growing numbers of deaf children who've received not one, but two, cochlear implants to help them hear

13 Feb 2007

New breast cancer drug Exemestane shows great potential to save lives

In what will be welcome news to millions of women suffering from breast cancer, trials of a new drug have found it lowers oestrogen levels in women with hormone-sensitive breast cancer and has the potential to save more than 1,000 lives a year in the UK alone.

13 Feb 2007

Vasectomy and trouble with words

Northwestern University researchers have discovered men with an unusual form of dementia have a higher rate of vasectomy than men the same age who are cognitively normal.

13 Feb 2007

Breast cancer survival rates improved by novel drug sequence

Changing the way women are treated for breast cancer could improve their overall chance of survival, according to research published in the Lancet.

13 Feb 2007

Expanded endonasal approach surgery removes tumors once deemed to be inoperable

A first-of-its-kind study published in the February issue of the Journal of Neurosurgery: Pediatrics suggests endoscopic brain surgery, pioneered by surgeons at the University of Pittsburgh Medical Center, has the potential to be safer and often more effective than conventional surgery in children with life-threatening conditions.

12 Feb 2007

Changes in breast cancer management

Aggressive research currently underway brings hope of dramatic advances in breast cancer management, according to a new review.

12 Feb 2007

BrainLAB wins patent lawsuit

The U.S. Court of Appeals for the Federal Circuit has upheld the dismissal of the patent infringement lawsuit filed by Medtronic against BrainLAB AG in 1998.

11 Feb 2007