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Tag: "knee" at biology news

Bones in motion: Brown scientists to create new 3-D X-ray system

...trying to figure out the best way to repair a torn knee ligament or an evolutionary biologist tracing the ... creating better treatments for shoulder, wrist, knee and back injuries; driving innovations in computer graphics and scientific visualization. ...

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

...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 had very h...

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

...ngioplasty, pancreatic cancer resection, and total knee replacement. According to this database, a total of 719,608 patients received 1 of the 10 operations. The researchers found that "in general, blacks, Asians, Hispanics, patients with Medicaid, and uninsured patients were less likely to go to high-v...

Bioengineered tissue implants regenerate damaged knee cartilage

...row and mature when implanted into patients with a knee injury. The novel tissue engineering approach can...ents with pre-existing early osteoarthritis of the knee secondary to traumatic injury. Maturation of the implanted, tissue-engineered cartilage was evident...

How ancient whales lost their legs, got sleek and conquered the oceans

...is required for normal limbs to develop beyond the knee and elbow joints. Because ancient whales' hind limbs remained perfectly formed all the way to the toes even as they became smaller suggests that Sonic hedgehog was still functioning to pattern the limb skeleton. The new research shows that, near the...

NASA technology helping injured US troops

...r's harness gave me the stability to do squats and knee raises I could never do before." Physical therapists at Kindred Hospital of Greensboro, N.C., have discovered yet another use for the technology. "We use SAM with bariatric patients ?individuals who are remarkably overweight," said Mark Castleberry...

Matrilin-3 gene discovered to prevent onset of osteoarthritis

...ilin-3 showed significantly higher BMD both in the knee joint and throughout the body at 18 weeks of age, ...tudies in humans have shown that the prevalence of knee and hip osteoarthritis increases with increasing BMD. "Our study reveals an unexpected property of...

New MRI technique quickly builds 3-D images of knees

... group of older adults with osteoarthritis-related knee problems - and can help researchers more rapidly a...ane." For example, when imaging a joint like the knee - Block's inspiration for developing the new technique - suppressing the fat signal in bone provides...

Secrets of the sea yield stronger artificial bone

...re 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 artificial bone, researchers like Tom...

Heparin prepared synthetically could replace animal-derived drug

...surgery, 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 discove...

Robot assisted surgery more accurate than conventional surgery

... Imperial College London shows that robot assisted knee surgery is significantly more accurate than conven... surgical outcomes for patients undergoing partial knee replacement. Acrobot works by helping the surgeon to line up the replacement knee parts with the exi...

Rice bioengineers pioneer techniques for knee repair

...al option for repairing small defects in articular knee cartilage. His lab is also working on techniques to grow replacement knee menisci, the kidney shaped wedges of cartilage that sit between the femur and tibia and absorb the c...

Stem cells from muscles can repair cartilage

...ool of Medicine, researchers induced damage to the knee joints in 36 12-week-old rats and divided them into three groups. Group 1 was treated with MDSCs embedded in fibrin glue. Group 2 was treated with MDSCs that had been cultured from 3-week-old rats and genetically engineered to express bone morphogene...

Antibacterial coatings cut infection rates

Putting antibacterial coatings on hip and knee implants and biomedical devices such as catheters ...ralia have found. A significant number of hip and knee implants are prone to infection after surgery and in many cases are not amenable to treatment with a...

Gene therapy advance treats hemophilia in mouse models

...ophilia A, a condition in which even a bump on the knee can cause serious internal bleeding in people. Researchers at the University of Iowa Roy J. and Lucille A. Carver College of Medicine improved a vector -- a vehicle that delivers gene therapy to cells -- in two ways to create a sustained, partial co...

Arthritis: What Wnt wrong?

...ned joint tissue from patients who underwent total knee replacement for rheumatoid arthritis (RA), osteoar...at were significantly upregulated in the arthritic knee tissues. However, protein expression studies revealed that only Wnt-7b was produced in arthritic joi...

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