jueves, 16 de septiembre de 2010

RISKS OF STEM CELL THERAPIES



STEM CELLS



  • Early failure of the transplant occurs once in four surgeries and has to be repeated. Some  transplants never work, some succumb to infection, and some suffer immune rejection. Primary failure is apparent within one or two days. Infections happen in half the patients and often appear during the first week. Rejection usually starts at the end of the first week. The surgery itself may need revision because of narrowing, leaking, or blood clots at the connections.






  • Other complications during the implantation of stem cell :Stem cell (graft) failure, Organ damage, Cataracts, Secondary cancers, Death
  • Graft-versus-host disease:  when stem cells come from donors :It  occur when a donor's transplanted stem cells attack your body. Graft-versus-host disease can be mild or severe. It can occur soon after your transplant or months to years later.

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