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Tag: "surgeons" at biology news

UCSD team discovers specialized, rare heart stem cells in newborns

...Traditionally, pediatric cardiologists and cardiac surgeons have relied on mechanical devices, human and synthetic tissue grafts, and artificial and animal derived valves to surgically repair heart defects. While progenitor cells won't grow a whole new heart, our research has shown that they can spontaneously...

Ophthalmologists Use Artificial Silicon Retina Microchip To Treat Vision Loss

...diameter of a needle. Through these incisions, the surgeons insert a miniature cutting and vacuuming device th...ace" just wide enough to accommodate the ASR. The surgeons then enlarge the pocket opening and insert the implant into the subretinal space. Finally, they rese...

Ophthalmologists implant five patients with artificial silicon retina microchip

...diameter of a needle. Through these incisions, the surgeons insert a miniature cutting and vacuuming device th...ace" just wide enough to accommodate the ASR. The surgeons then enlarge the pocket opening and insert the implant into the subretinal space. Finally, they rese...

Artifical cornea lets woman blind 20 years see

...e at Duke University Eye Center and one of the few surgeons performing the implantation of artificial corneas in the U.S. "We're able to care for some patients by putting in a prosthetic cornea so that they can see out again, and their doctors can see in." The development of opacity in the cornea is typicall...

Chromosome Deletion Predicts Aggressive Neuroblastoma

...s of neuroblastoma are low risk, and resolve after surgeons remove the tumor. Other cases are more aggressive, and are more likely to resist initial treatment, or to cause a relapse. Identifying the correct risk level allows doctors to treat aggressive cancers appropriately, while not subjecting children with...

Penn Researchers Use Robotic Surgery

...rough the mouth into the throat and voice box. The surgeons were able to manipulate different elements in the ...d of robotic technology. In the second study, the surgeons performed a variety of surgical procedures on a human cadaver. They concluded that robotic surgery m...

Two new retroviruses—transmitted from animals—identified

...rough the mouth into the throat and voice box. The surgeons were able to manipulate different elements in the ...d of robotic technology. In the second study, the surgeons performed a variety of surgical procedures on a human cadaver. They concluded that robotic surgery m...

Chronic Sinus Infection Thought To Be Tissue Issue, Mayo Clinic Scientists Show It's Snot

...y target of treatments for the disease. Also, some surgeons have already started to change the way they do sur... patients undergoing endoscopic sinus surgery. The surgeons extracted the maximum possible tissue and mucus during the sinus surgery. The surgeons also extracte...

New method shows it is possible to grow bone for grafts within a patient's body

... The current approach currently used by orthopedic surgeons to repair serious bone breaks is to remove small pieces of bone from a patient's rib or hip and fuse them to the broken bone. They use the same method to fuse spinal vertebrae to treat serious spinal injuries and back pain. Although this works well a...

Brown-Harvard team solves mobile DNA's surgical sleight-of-hand

...rtain leukemias or other cancers. But what do the surgeons look like that conduct these intricate snip-and-solder procedures? While scientists have studied site-specific recombination for about 30 years, much remains a mystery. In the current issue of Nature, a Brown University and Harvard Medical School te...

Scalpel-free surgery could reduce risk of HIV and hepatitis exposure for health care workers

... 7 percent of operations. As many as 87 percent of surgeons will receive an injury that breaks the skin -- thus allowing for possible disease transmission - at some point in their career. There are an estimated 40,000 new cases of HIV each year, and hepatitis C is increasing at an even faster rate, according ...

Customized gene chip provides rapid detection of genetic changes in children's cancer

...pes of neuroblastoma are low risk, resolving after surgeons remove the tumor, while others are much more aggressive. Identifying the correct risk level allows doctors to treat aggressive cancers appropriately, while not subjecting children with low-risk cancer to overtreatment. Cancer researchers have pinpoi...

Scientists use stem cells to grow cartilage

...tive surgery. When removing head and neck cancers, surgeons often have to cut away parts of cartilage, and then take grafts from other parts of the body. With this new technique doctors would potentially be able to take stem cells from the patient, grow them in a laboratory, and then transplant them after the...

Penn Surgeons Use Completely Robotic Surgery to Successfully Treat Prostate Cancer

...oaches that require counter-intuitive movements by surgeons (whereby the surgeon must move his hand to the lef...vice to the right), the robotic technology affords surgeons the direct, “intuitive?control they exercise in traditional open surgical procedures, seamlessly tra...

Scientists learn to predict protein-stabilizing ability of small molecules

...oaches that require counter-intuitive movements by surgeons (whereby the surgeon must move his hand to the lef...vice to the right), the robotic technology affords surgeons the direct, “intuitive?control they exercise in traditional open surgical procedures, seamlessly tra...

3D ultrasound device poised to advance minimally invasive surgery

...ir demonstration showed that the probes could give surgeons a better view during human endoscopic surgeries in...copes are thin tubes with a tiny video camera that surgeons can insert directly into the abdomen or chest through small incisions. "With our scanner, doctors c...

Rare Tibetan antelope listed as endangered

...ir demonstration showed that the probes could give surgeons a better view during human endoscopic surgeries in...copes are thin tubes with a tiny video camera that surgeons can insert directly into the abdomen or chest through small incisions. "With our scanner, doctors c...

Guiding principles for facial transplantation unveiled

...on-ASPS/ASRM Guiding Principles, to assist plastic surgeons considering participation in facial transplantatio...nique to facial transplant patients). "As plastic surgeons we fully recognize the revolutionary prospects of facial transplantation," said William C. Pederson,...

Terahertz imaging may reduce breast cancer surgeries

...ination, which typically takes several days. Thus, surgeons don't know if all the tumor has been removed until well after the surgical procedure has been completed, and often, repeat surgeries have to be scheduled. For the first time, however, terahertz imaging has the potential to eliminate the need for subs...

For one Stanford doctor, the beat goes on during open-heart surgery

...available to our patients." Currently, most heart surgeons use the more conventional method of putting a pati...le the doctor sews on new vessels. It's easier for surgeons to perform because they have a stable target. The heart is not moving. In beating-heart surgeries -...

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