FROM OUR EXPERTS
Most people would be surprised to know that total hip replacements (THRs) have been around since the 1930s. Today's successful use of THRs reflects the many implant changes in design and materials that have taken place since those early attempts. In this article, orthopedic surgeons from the New York University Hospital for Joint Diseases review the history of THRs up to and including today's surface replacement arthroplasty (SRA). SRA is a type of hip replacement that replaces the arthritic surface of the joint. But it removes far less bone than the traditional total hip replacement. Because the hip resurfacing removes less bone, it may be preferable for younger patients who are expected to need a revision (second) hip replacement surgery as they get older and wear out the original implant. The surface replacement arthroplasty (SRA) is done by dislocating the femoral head out of the socket. Special powered instruments are used to shape the bone of the femoral head so that the new meta...
Some studies have shown that, although Alzheimer's disease and Parkinson's disease are distinct neurological disorders, as many as 25 percent of patients with Alzheimer's develop Parkinson's-like symptoms, and some Parkinson's patients develop signs of Alzheimer's disease. Having known a woman who entered a nursing home with Parkinson's and was later found to have Alzheimer's, I've been curious about this combination. After reading "Living Well With Parkinson's Disease: What Your Doctor Doesn't Tell You...That you Need to Know" by Gretchen Garie and Michael J. Church, co-founders of Movers and Shakers, with Winifred Conkling, I was grateful to the authors for making the educational experience so interesting. I'll admit that I always feel a little put off by books that use "What your doctor doesn't know" in the title, because I feel it's a bit gimmicky, but I'm glad I didn't let that stop me....
Spongy degeneration of the brain; Aspartoacylase deficiency
Genetic counseling is recommended for people who want to have children and have a family history of Canavan disease. Counseling should be considered if both parents are of Ashkenazi Jewish descent. For this group, DNA testing can almost always tell whether one or both parents is a carrier.
A diagnosis may be made before the baby is born (prenatal diagnosis) by testing the amniotic fluid .
Rezvani I. Defects in metabolism of amino acids. In: Kliegman RM, Behrman RE, Jenson HB, Stanton BF. Nelson Textbook of Pediatrics . 18th ed. Philadelphia, Pa: Saunders Elsevier; 2007:chap 85.
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