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Because the tissues of the donated organ have to match those of the patient. Not all tissue types are compatible with each other, and if they are not, then the body just rejects the donated organ and cannot use it.
Modern pathology testing can go some way towards assessing beforehand if an organ is compatible with the recipient, but there are still occasions when donated organs are rejected for reasons that nobody understands. However, this doesn't necessarily mean that the patient faces death- often the organ will work a bit, not as it should do but for long enough for another donor organ to be found that WILL work.
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∙ 11y ago
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Organ transplant that have been successfully since1990?
Most (common) transplants have been considered 'successful' since 1990. Ciclosporin (the first good immunosuppressant) was approved for use in 1983. From then on, success rates all improved dramatically.
What do euthanasia organ transplants and gentic engineering have in common?
They all make the general public feel uncomfortable, yet opinionated?
Can HIV be transmitted without semen?
Yes. Blood, sexual fluids, and organ transplants all transmit HIV.
Why are some transplants successful and some unsuccessful?
Some transplants simply do not work. Until the transplanted organ is in place in the patient's body and connected, it is not possible to know if it is going to 'function' or not. At this stage, it is obviously not possible to go back. The length of time that the organ has been out of the body before transplantation adversely affects how the graft (organ) functions. Sometimes it affects grafts in very odd ways; the graft can be transplanted in appearing healthy, but does not work. If the patient is retransplanted, or if the organ is removed during an autopsy within a few days, the graft can by covered in small tumors, or hard patches, all in the space of days. (All organs are thoroughly checked for abnormalities before transplantation). So far it's not possible to tell if a transplant is going to be "successful" or not; it's still guesswork. Some transplants fail due to organ rejection (whether acute or chronic), some fail due to non-compliance with drug regimes, some fail for unknown reasons.
How have discoveries about organ and how the body works helped scientists improve organ transplants?
discoveries about organs and how the body works have helped scientists because if we didnt know how the body works and how many bones and muscles and things like that we all have, then scientists wouldnt know wheather or not to give us an organ translpant
What if your insurance doesn't cover transplants?
most health insurance plans do cover transplants...but not all.
Are hair transplants good?
you are all losers that are searching this
Why can limbs be reattached?
Most can't for rejection reasons, but they can do small things like fingers. Drugs are getting better all the time though, there have been a couple successful face transplants which was unheard of before.
What is the company Car Transplants all about?
The company Car Transplants is about breaking down various injured vehicles for money. They will pay you to take in your new car and rip it out for parts.
How many seagulls are left?
there arent they all died(:
What is matched in an organ transplant?
For all organ transplants (except corneas, which I don't know about), blood group must be compatible and body size must be appropriate. Gender is not matched (the benfit of matching this is marginal, and is outweighed by the additional waiting time required to match this), nor is ethnicity (however some blood groups are more common in some ethnicity's, so it's sort of self-matching). Kidney's require 'tissue matching' along with all of the above.
Are all cities multi cultural in the US and Canada?
no they arent
