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Tag: "surgery" at biology news

Performing surgery on a beating heart may be safer

...the latest clinical trials, coronary artery bypass surgery performed on a beating heart, without the aid of a...s more common for doctors to perform artery bypass surgery on the heart by stopping the heart and passing the blood through a heart-lung machine,?says author D...

Gene key to taste bud development identified

...tion between the windpipe and throat that requires surgery for correction. Cancer patients receiving chemotherapy or radiation therapy often report the loss of taste during treatments. These therapies target cells that are dividing, making them effective in killing cancer cells but also causing the unwante...

Men with prostate cancer avoid radiation due to misconceptions

...eam radiation therapy, radiation seed implants and surgery to treat their cancer. During external beam radiation, a beam of radiation, or X-ray, is directed through the skin to the cancer and the immediate surrounding area to kill the cancer. To minimize side effects, radiation is given five days a week for ...

The effects of smoking on fractures and ligament injuries

...llateral ligament (MCL) injury. They performed MCL surgery on 40 mice, half of which were exposed to cigarette smoke 6 days a week for two months. Researchers quantified cellular density at the site of injury and used Type I collagen gene expression as a marker for the formation of extracellular matrix, the ...

Radiation after surgery doubles survival time for some lung cancer patients

... breastbone and spine ?who receive radiation after surgery and chemotherapy live twice as long as patients wh...h examined the effectiveness of chemotherapy after surgery in 840 non-small cell lung cancer patients and found that additional chemotherapy after surgery impr...

Scientists discover way to block growth of prostate cancer cells

... to start in 12-18 months. Dr Basu said: "After surgery and radiotherapy for the primary tumour, breast cancer patients can be treated with several drugs such as tamoxifen and aromatase inhibitors that prevent or delay breast cancer recurrence. No such treatment exists for prostate cancer patients. Afte...

Hopkins scientists link immune response to 'ghost' parasites and severely congested sinuses

...severe sinus inflammation that persists even after surgery when compared to patients in whom surgery is successful. Sinus surgery is usually the treatment of last resort for those who do not respond t...

Natural protein stops deadly human brain cancer in mice

...atients with BMP4 or something like it right after surgery to remove glioblastoma in hopes of preventing the regrowth of the cancer and improving survival time," says Alessandro Olivi, M.D., director of the Division of Neurosurgical Oncology at Hopkins and a contributor to the study. Olivi says clinical st...

Fast test for low blood flow in dogs detects early heart trouble

...scopic beads in the heart muscle. Six dogs had surgery to place a clamp around a main artery, cutting in half the blood flow to the heart. After surgery, the dogs were injected with the drug adenosine to speed up their heartbeat and maximize circulation. The dose, they note, was the same as that typica...

MIT material stops bleeding in seconds

...More than 57 million Americans undergo nonelective surgery each year, and as much as 50 percent of surgical t...l could be of great use during surgery, especially surgery that is done in a messy environment such as a battlefield. A fast and reliable way to stop bleeding ...

Teenager moves video icons just by imagination

...ardt, M.D., an assistant professor of neurological surgery at the School of Medicine, and Daniel Moran, Ph.D., assistant professor of biomedical engineering, performed their research on the boy who had the grids implanted so that neurologists and neurosurgeons can find the area in the brain serving as the fo...

A new target for painkillers

...vere pain due to cancer, AIDS, injury, failed back surgery and certain nervous system disorders....

An artificial cornea is in sight, thanks to biomimetic hydrogels

...ser-assisted in situ keratomileusis, or LASIK, eye surgery may contribute to the shortage of donor tissue in developed nations, he notes, as this surgery disqualifies donation. A tissue-engineered artificial cornea could lessen or eliminate the need for ...

Successful lung cancer surgery not enough to break nicotine dependence in many smokers

...as found that close to half of 154 smokers who had surgery to remove early stage lung cancer picked up a ciga... the longest before they took up a cigarette after surgery were the ones who were most likely not to be smoking in a year’s time. "The results suggest that ...

Older men treated for early prostate cancer live longer than those who are not

... men ?who within six months of diagnosis underwent surgery or radiation therapy ?were 31 percent less likely ...2 (71.8 percent) were actively treated with either surgery or radiation therapy during the first six months after diagnosis. The remaining group of 12,608 (28....

Vaccine for brain tumors shows promising results

...diagnosed with a brain tumor in July 2005. She had surgery to remove it, but the tumor returned in November. Her daughter learned of the trial at UCSF and Hekkala enrolled. In January 2006 she had another surgery, and this time, the removed tissue was sent to Antigenics, the Massachusetts biotech company t...

Slow brain waves play key role in coordinating complex activity

...in brain tumor and epilepsy patients scheduled for surgery to remove a portion of their brains. The epilepsy ...p of the brain to guide neurosurgeons during brain surgery and potentially to use these same high frequency oscillations to control robotic devices in paralyze...

Jefferson scientists find high glucose before surgery raises risk of dangerous complications

...tients who have high blood sugar before undergoing surgery run an increased risk of developing blood clots, d...ed records of nearly 6,500 hip or knee replacement surgery patients at Thomas Jefferson University Hospital who were admitted between 2003 and 2005. They asked...

UCSD researchers discover internal compass of immune cell

...uthor Wolfgang Junger, Ph.D., adjunct professor of surgery at UCSD Medical Center. His team set out to ide...ors Yu Chen, M.D., UCSD postgraduate researcher in surgery and Ross Corriden, UCSD graduate student in biomedical sciences, found that when ATP receptors were ...

High tech help to prevent further heart disease

...University with funding from MBF Foundation, heart surgery patients around the country could soon have access...habilitation service for people who have had heart surgery to see if it improves health outcomes by reducing the risk of heart problems recurring. Study lea...

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