Nephrology Question 31 Instructor

A patient is scheduled for a renal biopsy. What are the risks that you would counsel them about?

At our institution, the following are the risk estimates:

  • The incidence of gross hematuria is approximately 5-10%
  • The incidence of significantly bleeding enough to delay discharge is approximately 1:100. This refers to persistent hematuria, or perinephric hematoma, which usually settles with conservative management
  • A transfusion is occasionally necessary
  • Serious bleeding complications sufficient to warrant interventions to stop bleeding are of the order of 1:1000
  • Kidney biopsy can be life threatening in 1:5000-1:10000

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