Kidney Transplantation or Renal Transplantation About My operation

Kidney Transplantation or Renal Transplantation About My operation

Kidney Transplantation:

Kidney transplantation or renal transplantation is the organ transplant of a kidney into a patient with end-stage renal disease means who are suffering from CKD stage 5.

Kidney transplantation is classified as

  1. cadaveric -donor
  2. living-donor.


                                                        

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What is cadaveric donor:

Deceased donors can be divided in two groups:

Brain-dead (BD) donors

Donation after Cardiac Death (DCD) donors


Although brain-dead (or ‘heart beating’) donors are considered dead, the donor’s heart continues to pump and maintain the circulation. This makes it possible for surgeons to start operating while the organs are still being perfused (supplied blood). During the operation, the aorta will be cannulated, after which the donor’s blood will be replaced by an ice-cold storage solution, such as UW (Viaspan), HTK, or Perfadex. Depending on which organs are transplanted, more than one solution may be used simultaneously. Due to the temperature of the solution, and since large amounts of cold NaCl-solution are poured over the organs for a rapid cooling, the heart will stop pumping.

‘Donation after Cardiac Death’ donors are patients who do not meet the brain-dead criteria but, due to the unlikely chance of recovery, have elected via a living will or through family to have support withdrawn. In this procedure, treatment is discontinued (mechanical ventilation is shut off). After a time of death has been pronounced, the patient is rushed to the operating room where the organs are recovered. Storage solution is flushed through the organs. Since the blood is no longer being circulated, coagulation must be prevented with large amounts of anti-coagulation agents such as heparin. Several ethical and procedural guidelines must be followed; most importantly, the organ recovery team should not participate in the patient’s care in any manner until after death has been declared.

Living donor:

Potential donors are carefully evaluated on medical and psychological grounds. This ensures that the donor is fit for surgery and has no disease which brings undue risk or likelihood of a poor outcome for either the donor or recipient. The psychological assessment is to ensure the donor gives informed consent and is not coerced. In countries where paying for organs is illegal, the authorities may also seek to ensure that a donation has not resulted from a financial transaction.

Operation procedure:

The renal artery of the new kidney, previously branching from the abdominal aorta in the donor, is often connected to the external iliac artery in the recipient.


The renal vein of the new kidney, previously draining to the inferior vena cava in the donor, is often connected to the external iliac vein in the recipient.

The donor ureter is anastomosed with the recipient bladder.

Post-transplant:

The transplant surgery takes about three to five hours. The donor kidney will be placed in the lower abdomen and its blood vessels connected to arteries and veins in the recipient’s body. When this is complete, blood will be allowed to flow through the kidney again. The final step is connecting the ureter from the donor kidney to the bladder. In most cases, the kidney will soon start producing urine.

Depending on its quality, the new kidney usually begins functioning immediately. Living donor kidneys normally require 3–5 days to reach normal functioning levels, while cadaveric donations stretch that interval to 7–15 days. Hospital stay is typically for 4–10 days. If complications arise, additional medications (diuretics) may be administered to help the kidney produce urine





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