logo-img

Native and Transplant kidney biopsy

images
A native kidney biopsy is a tissue sample from a patient's own kidney, while a transplant kidney biopsy is a tissue sample from a kidney that was surgically transplanted into the patient. Both involve taking a tissue sample using a needle, guided by ultrasound, to diagnose and manage kidney diseases.

Native kidney biopsy
  • Purpose: To diagnose a wide range of kidney diseases affecting the patient's own kidneys.
  • Indications:
  • - Specific diseases: To diagnose and stage conditions like lupus nephritis, which often requires specific treatments. 
  • - Nephrotic Syndrome: A condition that causes the kidneys to excrete large amounts of protein. 
  • - Hematuria: Blood in the urine, which can be microscopic or visible. 
  • - Proteinuria: Excessive protein in the urine, especially when it is rising or accompanied by other signs of kidney disease. 
  • - Unexplained and rapidly declining kidney function: When blood and urine tests don't reveal the cause of a fast decline in kidney function. 
  • Procedure: A tissue sample is taken from the patient's own kidney, typically through the back, using a biopsy needle guided by ultrasound. 
  • Post-procedure care
  • - Observation and rest: You will be monitored in the hospital for at least 6-24 hours to ensure stability and check for complications like bleeding.
  • - Monitor vitals: Your blood pressure, pulse, and urine output will be checked frequently during the initial observation period.
  • - Activity restrictions: Rest quietly for the remainder of the day. For the following 1-2 weeks, avoid heavy lifting and strenuous physical activity. 
  • - Pain management: Some soreness at the biopsy site is normal. Your doctor may prescribe pain relievers to manage discomfort.
  • - Check urine for blood: You will likely be given a container to collect your urine so that any bleeding can be identified immediately. Some blood in the urine is common for the first day or two.
  • - Follow-up: Your results will be ready in a few days to weeks, depending on the specific case. Your doctor will schedule a follow-up appointment to discuss them and your treatment plan. 
Transplant kidney biopsy
  • Purpose: To monitor a transplanted kidney for complications and help determine the cause of a failing graft.
  • Indications: 
  • - Suspected rejection: This is a primary reason for the procedure, especially when there are signs of acute or chronic rejection.
  • - Decline in kidney function: A biopsy is needed if the function of the transplanted kidney is decreasing rapidly, often indicated by an increase in serum creatinine levels.
  • - Unexplained blood or protein in urine: Finding blood (hematuria) or excessive protein (proteinuria) in the urine without a clear cause is a significant indication.
  • - Abnormal imaging results: If imaging tests like an ultrasound or CT scan reveal abnormalities in the transplanted kidney, a biopsy may be performed to investigate further.
  • - Monitoring kidney function and health: A biopsy can be used to monitor the health of the transplanted kidney over time. 
  • Procedure: A tissue sample is taken from the transplanted kidney, a procedure that is also typically done percutaneously and guided by ultrasound.