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Tag: "hip" at biology news

How to look at dinosaur tracks

...track may lead to calculations of higher estimated hip length, and, as the authors point out, may also lead to slower speed estimates. ...

Genes may determine success of hip replacement surgery

The success of long term hip replacement surgery may lie in the genes, suggests...e, just over half of whom (162) had problems after hip replacement in the 10 years following surgery. Among those with symptoms, 91 had early signs of “...

Update on census of world's most endangered cat -- Female Amur leopard found dead

...de. The bullet came through tail bone, crushed the hip bones and lodged in the belly. She was then beaten to death with a heavy object. “The killing of even one female is a huge loss for a cat on the brink of extinction,?said Darron Collins, managing director of the Amur-Heilong Program, World Wildli...

Scientists identify a candidate gene for osteoporosis

...se that leads to bone fractures, especially of the hip and spine. The study, conducted by scientists at the Musculoskeletal Diseases Center of the Jerry L Pettis Memorial Veteran's Affairs Medical Center at Loma Linda, shows convincing evidence that a gene called DARC negatively regulates bone density ...

MIT bioengineer advances survival, promise of adult stem cells

...r bone or, more commonly, a piece of the patient's hip bone. Ideally, surgeons would like to be able to aspirate bone marrow from the hip, which is a much less painful and invasive process than removing bone, and transplant the stem cells from that marrow into the injury site. Although patients' o...

The effects of smoking on fractures and ligament injuries

... injury. In addition, smokers have higher rates of hip fracture, fracture healing problems and bone infections and smoking has been shown to impair soft tissue wound healing. Two new studies, funded by the National Institutes of Health and the National Football League Charities, examined the effects of s...

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

...nd his colleagues examined 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 what happened to patients with high blood sugar that wasn't well controlled prior to surgery. Of these patients, 38 ha...

Minorities, uninsured less likely to receive care at high-volume hospitals

...rotid endarterectomy, esophageal cancer resection, hip fracture repair, lung cancer resection, cardiac valve replacement, coronary angioplasty, pancreatic cancer resection, and total knee replacement. According to this database, a total of 719,608 patients received 1 of the 10 operations. The researche...

Finding the right mix: A biomaterial blend library

From dental implants to hip replacements, biomaterials have become big business. But scientists pursuing this modern medical revolution share a basic challenge: biocompatibility. How will a biomaterial on the lab bench actually work inside the human body? Will a patient accept ...

NASA technology helping injured US troops

...nted walker that supported the pelvis and imitated hip joint movement, which ultimately alleviated pain to injured patients by reducing the amount of weight placed on the legs. In 2003, Enduro Medical Technologies, East Hartford, Conn., licensed these patented NASA technologies and modified the cable-...

Matrilin-3 gene discovered to prevent onset of osteoarthritis

... humans have shown that the prevalence of knee and hip osteoarthritis increases with increasing BMD. "Our study reveals an unexpected property of matrilin-3 in maintaining proper BMD, a factor that was not previously examined," the authors write. "However, the mechanism of the association between incre...

Research identifies protein in mice that regulates bone formation

...ion gets older, it is predicted that the number of hip fractures may triple by 2020 unless better prevention and treatment for the disease is improved. The researchers, led by Dallas Jones, a research associate in the Department of Immunology and Infectious Diseases, Marc Wein, an MD, PhD student, and ...

Secrets of the sea yield stronger artificial bone

...ng demand for artificial joints. More than 150,000 hip replacement and nearly 300,000 knee replacements were performed in 2000, according to the National Center for Health Statistics. These numbers are expected to swell in the future as baby boomers age. Because of the pressing need for longer-lasting a...

Heparin prepared synthetically could replace animal-derived drug

...stent implantation, indwelling catheters, knee and hip replacements, and deep vein thrombosis. The annual worldwide sales of heparin are estimated at $3 billion. "We have synthetically prepared heparin in quantities large enough for use in human medical treatments by engineering recently discovered hepa...

Bones from blood: Scientists aim to break new ground on fractures

...ctures developed in this way could be used to make hip replacements more durable. "The participation of colleagues from Sociology and Philosophy in a project such as this offers the opportunity for us to explore a more ethically and socially integrated kind of biology," he added. Professor Andrew Webst...

Antibacterial coatings cut infection rates

Putting antibacterial coatings on hip and knee implants and biomedical devices such as c...uth Australia have found. A significant number of hip and knee implants are prone to infection after surgery and in many cases are not amenable to treatme...

Scientists use stem cells to grow cartilage

...g sports injuries, new cartilage for people having hip replacements, and even for cosmetic surgery. Dr Archana Vats, from Imperial College London and first author of the paper, said: "The ability to grow cartilage using stem cells could have enormous implications for a number of medical problems. With t...

Clinical trial to test stem cell approach for children with brain injury

...ed, bone marrow will be extracted from the child's hip and then processed to derive two types of progenitor stem cells: mesenchymal stem cells, which differentiate into bone, cartilage and fat cells, and research indicates can also differentiate into neurons; and hematopoietic stem cells, which form all ...

Bone marrow stem cells may heal hearts even years after heart attacks

...ck. The researchers harvested bone marrow from the hip bones of the patients, so there was no threat of transplant rejection. After processing, stem cells from the marrow were infused through a catheter into the coronary artery where the patient's heart attack occurred. "The main results were at least t...

Fundamental discovery -- Bone fracture

...n. Less than one-third of elderly women who have a hip fracture return to previous function. More women die within a year of hip fracture than die after a heart attack. So it's a very serious problem and a lot of work has been do...

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