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Indications for Kidney Transplantation
With the tremendous improvements in transplant management most patients with kidney failure can be considered for transplantation. Diseases that may be indications for renal transplantation are listed below:
Glomerulonephritis
Chronic pyelonephritis (reflux nephropathy)
Hereditary
Metabolic
Obstructive nephropathy
Toxic
Multisystem Diseases
Haemolytic uraemic syndrome
Tumors
Congenital
Irreversible Acute Renal Failure
Trauma
We consider patients between the ages of two and 70 who require dialysis or expect to require dialysis within the next 12 months. We usually can satisfactorily resolve other medical problems to increase the safety of a transplant. Patients may be evaluated prior to this time to discuss options for renal replacement therapy. This is particularly valuable since living donor kidney transplantation can be considered and timed appropriately to serve as renal replacement therapy obviating the need for costly dialysis access surgery.
However, patients cannot be listed on the UNOS waiting list for a cadaver kidney until their creatinine clearance (Clcr) calculated by the Cockcroft-Gault formula is less than 30ml/min. The Cockcroft-Gault formula for calculation of the Clcr is now considered to be superior to actual measured creatinine clearance as determined by 24-hour urine collection, due to inherent inaccuracies and collection difficulties. The formula is as follows:
Clcr (ml/min) = (140-age)(wt. kg)
creatinine (mg/dl) x72
For women, the result is multiped by 0.85
Future UNOS listing criteria may further reduce this minimum
All causes for kidney failure can be considered for transplantation. However, the cause of kidney failure may have an effect on the outcome of kidney transplantation. Some causes of kidney failure such as certain types of glomerulonephritis may occasionally recur in the new transplant. In most cases, transplantation is worthwhile since recurrence is usually very slow to develop. These risks are discussed with patients on a case-by-case basis. Patients with primary oxalosis require combined kidney-liver transplantation since without metabolic correction of oxalosis with liver transplantation, recurrent kidney disease would be very rapid.
Causes of ESRD that may recur in a transplanted kidney. Recurrence is usually quite slow. Recurrent disease is rarely seen before the second decade.
Diseases which may recur in renal transplants are listed below:
Contraindications for Kidney Transplantation
There are certain absolute contraindications to renal transplantation:
Relative contraindications: