Hip fusion for younger patients is not the viable option it once was because of its problematic outcomes. Total hip arthroplasties (THAs) or hip replacements are not always a first option for younger patients either because of the arthroplasty's limited survivorship. Because of these issues, the metal-on-metal hip resurfacing (MOMHR) has been tested as a potential treatment for this patient group. Originally, there were concerns that MOMHR caused problems because of lack of blood supply to the femoral head (head of the thigh bone) or because of femoral head loosening of fracture. However, studies have shown that the procedure can be successful as long as the soft tissue covering the femoral neck is kept intact. Researchers were also concerned about how the bone cement would affect the healthy bone next to it, due to the high temperatures needed. This was addressed by making some changes in the way the cement was applied. The author of this article looked at the outcomes of MOMHR compare...
Recently, we received a question about whether pollutants or radon could cause ‘forgetfulness.' As a result I want to throw some light on this very complex area. We often think of symptoms that include changes in memory, memory loss and, in some cases, confusion, as some type of dementia. However there are also many other diseases and conditions where these symptoms may be present.
As yet we do not know why people get Alzheimer's and indeed whether Alzheimer's has one cause or, more likely, is multi-causal. This means scientists are looking at all types of agents, at physical changes in the brain and nervous system, at risk factors such as an individual's genetic make up, diet, age, heart disease and many other things to see if they affect how Alzheimer's disease begins and evolves.
Pollutants such as metals are also an obvious target for investigation for contributory causes for Alzheimer's. But their roles are not necessarily straight forward. In May 2011, Dorian...
We know that exposure to the sun can damage our skin and cause skin cancer. A recent study also showed that chronic skin allergy to metals in orthopedic implants can also lead to skin cancer.
Orthopedic implants are used to replace something that are missing or damaged. Implants are used for a number of reasons, for example:
Rods, pins, screws or plates to anchor fractured bones
Not all implants contain metal, however, many do contain metal and metal alloys such as nickel, cobalt and chromium. These metals help make the implants stronger and more durable, however, some people have an allergic reaction which can appear on the skin as a rash or inflammation. This inflammation might cause joint pain, swelling or joint failure.
Researchers at Washington University School of Medicine and Barnes-Jewish Hospital in St. Louis recently published a study that looked at the effects of chronic allergic reaction from metal implan...
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