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donor kidney transplants have higher survival rates (11- 1 5 years) than
the cadaveric transplant (7-8 years).' The higher success rate of the
recipients of living donor transplants can be attributed to the
following7•23:
• The renal allograft from a living donor can be more thoroughly
evaluated before transplantation than the cadaveric allograft. This
results in closer genetic matches between the donor and recipient.
• There is a lower chance of damage to the donor organ during
preservation and transport.
• The incidence of acute tubular necrosis (ATN) in the postOperative period is 30-40% when a cadaveric donor is used but is infrequent with a living donor.
• Recipients of living donor transplants require less immunosuppressive medications and may have less risk of subsequent infection or malignancy.
• Living donor transplanr recipients undergo transplamation as
an elective procedure and may be healthier when they receive their
transplant.
710
AClITE CARE HANDBOOK FOR PHYSICAL TI-IE.RAPISTS
Renal Transplant Procedure
The renal allograft is not placed in the same location as the native kidney. It is placed extra peritOneally in the iliac fossa through an oblique lower abdominal incision.'4.25 The renal artery and vein of the donated
kidney are attached to the iliac artery and vein of the recipient. The ureter of the donated kidney is sutured to the bladder. The recipient's native kidney is not removed unless it is a source of infection or uncontrolled hypertension. The residual function may be helpful if the transplant fails and the recipient requires hemodialysis.25,2.
The advantages of renal allograft placement in the iliac fossa versus placement in the correct anaromic position include the following27:
• A decrease in the posroperative pain, because the peritoneal cavity is not entered
• Easier access to the graft postoperatively for biopsy or any reoperative procedure
• Ease of palpation and auscultation of the superficial kidney to
help diagnose postoperative complications
• The facilitation of vascular and ureteral anastomoses, because it
is close to blood vessels and the bladder
Indication of Renal
Post Trmlsplallt
RestOration of renal function is characrerized by immediate production
of urine, massive diuresis, and declining levels of BUN and serum creatinine. Excellent renal function is characterized by a urine output of 800-1,000 ml per hourY However, there is a 20-30% chance that the
kidney will nOt function immediately, and dialysis will be required for
the first few weeks.2S Dialysis is discontinued once urine output
increases and serum creatinine and BUN begin to normalize. With rime,
normal kidney function is restOred, and the dependence on dialysis and
the dietary restrictions associated with diabetes are eliminared.2S
Postoperative Care and Complications
Volume status is strictly assessed. Intake and output records arc precisely recorded. Daily weights should be measured at the same time
ORGAN TRANSPLANTATION
711
using the same scale. When urine volumes are extremely high, intravenous fluids may be titrated. Other volume assessment parameters include inspection of neck veins for distention, skin turgor and
mucous membranes for dehydration, and extremities for edema. Auscultation of the chest is performed to determine the presence of adventitious breath sounds, such as crackles, which indicate the presence of excess volume.'2
The most common signs of rejection specific to the kidney are an
increase in BUN and serum creatinine, decrease in urine Output,
increase in blood pressure, weight gain greater than 1 kg in a 24-hour
period, and ankle edema.7.12.25 A percutaneous renal biopsy under
ultrasound guidance is the most definitive test for acute rejection.25
Sometimes, ATN occurs post transplantation. Twenty percent to 30%
of patients receiving cadaveric kidneys preserved for longer than 24
hours experience delayed graft function.25 This ischemic damage from
prolonged preservation results in ATN. The delayed kidney function
may last from a few days to 3 weeks. Therefore, dialysis is required
until the kidney starts to function7
Ureteral obstruction may occur owing to compression of the ureter
by a fluid collection or by blockage from a blood clot in the ureter. The
obstruction can cause hydronephrosis (dilation of the renal pelvis and
calyces with urine), which can be seen by ultrasound.25 The placement
of a nephrostomy tube or surgery may be required to repair the obstruction and prevent irreversible damage to the allograftH
Urine leaks may occur at the level of the bladder, ureter, or renal
calyx. They usually occur within the first few days of transplantation.25