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Tag: "surgery" at biology news

Cancer-killing invention also harvests stem cells

...mplant the device in the body before primary tumor surgery or chemotherapy. When doctors remove a primary tumor, the procedure itself can release cancer cells into the bloodstream. King's device would grab those cancer cells and kill them, greatly reducing the possibility of metastasis. Associate Profes...

Liver regeneration may be simpler than previously thought

...ts tissue," says Seth Karp, assistant professor of surgery at Harvard Medical School, Boston, and main author of the study. "It is not known how the liver does it, but our results provide some details of what makes the liver so unique." Although organ regeneration has been observed in many animals, the d...

Scientists discover how body fights to control spread of cancer

...cells have invaded the blood, the effectiveness of surgery is reduced. Cancerous cells that have entered the blood, however, are still prevented from causing further disease by the protective shield of a protein called MUC1 in which the cancerous cells are eventually destroyed by our immune system. Scien...

Vasectomy may put men at risk for type of dementia

...e, began investigating a possible link between the surgery and PPA when one of her male patients connected th...ise the risk of PPA (and possibly FTD) because the surgery breeches the protective barrier between the blood and the testes, called the blood-testis barrier. ...

Surgeons develop simpler way to cure atrial fibrillation

...hoenberg Professor of Surgery and chief of cardiac surgery at the School of Medicine and a cardiac surgeon at Barnes-Jewish Hospital. "Instead of reserving the Cox-maze procedure for a select group of patients, we would urge use of this device for virtually all patients who have atrial fibrillation and are s...

Study to explore using magnets to correct 'sunken chest'

...n, according to Michael Harrison, MD, professor of surgery and pediatrics emeritus at UCSF and lead investiga...pproaches to correcting sunken chest involve major surgery to open and rebuild the chest and the insertion of metal struts to hold the chest in place while it ...

Genes may determine success of hip replacement surgery

The success of long term hip replacement surgery may lie in the genes, suggests research published ahead of print in the Annals of the Rheumatic Diseases. The researchers analysed genetic variations in 312 people, just over half of whom (162) had problems after hip replacement in the 10 years foll...

HIV protein enlisted to help kill cancer cells

...r William G. Hawkins, M.D., assistant professor of surgery and a member of the Siteman Cancer Center at the S...s, M.D., professor of anesthesiology, medicine and surgery and associate professor of molecular biology and pharmacology. Hotchkiss was seeking proteins that i...

No-scalpel vasectomies by skilled surgeons may speed recovery

...less bleeding, bruising, infection and pain during surgery and follow-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-scalpel method resulted in a shorter operation. The patients also had a shorter rec...

Swell gel could bring relief to back pain sufferers

...ke particles could provide an alternative to major surgery in the treatment of chronic lower back pain. Dr B...of restoring spinal mobility whereas spinal fusion surgery results in a significant loss of mobility at the fused and adjacent discs." Dr Saunders said: "Al...

Napoleon's mysterious death unmasked, UT Southwestern researcher says

...c cancer survive five years if treated with modern surgery and chemotherapy. But what might have caused Napoleon's cancer? Risk factors for gastric cancer include male gender, genetic susceptibility, chronic gastritis and infection by the bacteria Helicobacter pylori . Although genetic susceptibili...

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

... 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/A...

Computer imaging assists with facial reconstructive surgery

...tic surgeons to accurately analyze the face before surgery so that afterward, prominent facial features such ...the structures around them. “Even a well-executed surgery will result in a poor aesthetic result if inaccurate analysis leads to an improper decision (e.g., a...

Scientists produce neurons from human skin

.... The researchers used skin obtained from plastic surgery procedures. They subjected these skin samples to various treatments in order to extract neuron precursor cells, which they then proceeded to cultivate in vitro. Skin itself does not contain neurons, which are hosted in the spinal cord, but contains o...

Adding radiation decreases breast cancer recurrence

Radiotherapy after breast conserving surgery for breast cancer reduces recurrence and prevents ...made in breast cancer treatment. Breast conserving surgery in combination with radiotherapy and mastectomy provide women with two good options for their initia...

Liposuctioned fat stem cells to repair bodies

...e have litres and litres of material from cosmetic surgery clinics and end up with bucketfuls of stem cells to work with," he notes. EuroSTELLS Project Leader Cesare Galli, from the University of Bologna, Italy has high hopes that transplanted fat stem cells will restore injured sports horses to their fo...

Magnetic system could be key to surgery without scars

... that could be key to delivering on the promise of surgery without scars. The new technique, which is still ... “The current state of the art for laparoscopic surgery requires four or five holes. The question behind this is, can we do the surgery through only one hol...

Cryoablation -- A new treatment option for some kidney tumor patients

...ikelihood of a long-term cure. For some patients, surgery is not an option, and Mayo’s urologists and radiol...rail due to age or illness or are not able to have surgery because of other factors, percutaneous cryoablation may be an option. "This procedure appears to ...

UCLA: How does your brain respond when you think about gambling or taking risks?

... pays better but is less secure? Should you have a surgery that is likely to extend your life but poses some risk that you will not survive the operation? Should you invest in a risky startup company whose stock may soar even though you could lose your entire investment? In the Jan. 26 issue of the journal S...

New fMRI technology making brain tumor surgery safer

... FMRI scans are performed several days prior to surgery on a 3 Tesla scanner at West Image, a Cincinnati imaging facility owned by Set Shababian, M.D. “We perform various language, motor and vision tasks with the patient in the MRI scanner,?Dr. Leach explained. FMRI scanning takes approximately 75 minu...

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