If you're talking about organ transplants, it's because there were no anti-rejection drugs available on the market prior to this.
Joseph Murray performed the first successful transplant, a kidney transplant between identical twins, in 1954, successful because no immunosuppression was necessary in genetically identical twins.
The first successful kidney transplant between two twins. Proved that it was possible and aided in the understanding of 'rejection'.
1954 was when "organ rejection" was finally understood (one identical twin got a transplanted kidney from his other twin and lived happily ever after, sans organ rejection). Before then transplants were not successful due to lack of immunosuppresive drugs. The first good immunosuppressant (Ciclosporin)was developed in the 1970's, but rates did improve slightly after 1954 just through enhanced medical understanding.
The transplant development that happened in 1954 was the development of clyclosporine. This helped revelutionised the history of transplants. Actually, ciclosporin was developed in the 1970's. The 1954 development was the first successful kidney trasplant between two identical twins. (They had to be identical twins since ciclosporin had not been developed; the donor had to match perfectly).
The first successful kidney transplant was performed (from identical twins - ciclosporin was discovered in the 1970's, so until then the donor had to match perfectly).
because people on that time, they were not aware of transplant that much and then when in 1954 for the first kidney was transplant from one twins brother to another and they got the idea which if the body did not reject the organ. (E.g. perfect kidney for the perfect body, not old, not damaged) the transplant will successfully work for long time. So that why before 1954 the transplant were unsuccessful.further more, the other reason is, that there were no Immunosuppression ( kind of drugs, radiation which help the body to not reject the organ). So thats why transplants were unsuccessful.
Very few, since the success rate was poor.
The first successful kidney transplant between identical twins.
The development of the anti suppressent drug Cylosporine by Dr.Callum Hume was the reason for the improvement in organ transplants in 1954.
No effective immunosuppression, which is required to prevent organ rejection. Corticosteroids were available (which reduce inflammation), but no calcineurin inhibitors (such as ciclosporin or tacrolimus), which alter the function of T-cell lymphocytes (a type of white blood cell, produced by the patient's bone marrow, not the transplanted organ) to prevent organ rejection. Hence most transplants failed due to organ rejection pre-1954. The first effective immunosuppression (ciclosporin) was found in the 1970's, but 1954 happened to be the year when the process of organ rejection was first understood.
American surgeon Joseph E. Murray performed the first successful transplant of a human kidney. hello farlingaye hope your work is going well. transplants are really bad, now put that in your pipe and smoke it.
Dr. Callum Hume broke through the transplant techniques and introduced suppressants. The first ever organ was transplated in Boston, USA. It was a kidney transplant and the man survived another 8 years. 1954 was the development of cyclosporine. This help revolusionise the history of transplants. Answer A new drug was formed called cyclosporine.