How long do you recommend patients hold aspirin for prior to and after undergoing a native kidney biopsy?  

I usually recommend that patients hold aspirin (ASA) 7 days prior to and one day after undergoing a percutaneous native kidney biopsy. 30 mg of ASA irreversibly inhibits cyclooxygenase a key platelet enzyme for the synthesis of thromboxane and the effect lasts for approximately one week. This effect...