Monday, August 31, 2009

Hip Replacement Alternative

By Amy Price PhD
My husband underwent adult stem cell therapy in hopes of staving off hip replacement. The technique in the USA was in the early stages and his hip degeneration was acute. In the end he underwent bilateral hip resurfacing in the UK. The procedure was successful and gave him his life back. The UK surgeons were most interested in stem cell therapy and they were working on getting stem cells federally funded particularly for revision surgery which happens when the artificial hip wears out after about fifteen years.

It was exciting to learn about six hip patients who underwent a very creative stem cell procedure in Spire Hospital, Southhampton UK. This procedure could prevent thousands of people from needing to have an artificial hip fitted.

Here is a short breakdown on how they are doing this. Surgeons are using the patient’s own stem cells to rejuvenate the affected bone and donor bone to speed the process. The stem cells are extracted from the patient’s pelvis, purified and cultured in an organic mixture that promotes growth. When the cells had multiplied they were mixed with cleaned, ground-up hip bone from other patients who had hips replaced.Surgeon then excised dead tissue from the ball of the hip and filled the cavity with the mixture of stem cells and donated bone.

Professor Richard Oreffo of Southampton University explains that stem cells send out chemical signals to attract blood vessels. "Bone is a living vibrant tissue. These stem cells generate new tissue and drive new blood vessel formation to bring in nutrients," he said.

Dr Dunlop is hopeful that this therapy will fix the hip for life. Early reports look promising with good results in 5 out of 6 study participants. The television footage on this was stunning. One patient who had his procedure a year ago looked like he had never experienced a hip problem.
Scientists and doctors are working together to expand this study and to explore the viability of using artificial bone. This would eliminate the problem of donor generated deficits being passed on although I suspect those already in need of new body parts are happy to take their chances.

This news is hot on the heels of research by scientists in New Jersey USA who have successfully isolated nerve growth factors in mesynchemal stem cells and grown them out as published in the latest issue of the Journal of Neurochemisty. Cell biology and Genetic engineering advances may soon provide real answers for those with untreatable neurodegenerative conditions and even those who have sustained brain injury.
Scientist and doctor teams are now considering how this therapy could be applied to other degenerative conditions.

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