Percutaneous nephrolithotomy (PCNL) is a surgical procedure that is standard of care for the removal of large kidney stones. PCNL involves removal of the stone(s) from the kidney through a temporary tract that is percutaneously placed through the patient's back during surgery. There is a significant risk of urinary tract infection after PCNL but wide clinical variation in use of prophylactic antibiotics in the days leading up to surgery. For patients who had already agreed to undergo PCNL, we plan to randomize them either to 1 week of preoperative antibiotic prophylaxis plus < 24 hours of perioperative IV antibiotics or to < 24 hours of perioperative IV antibiotics only. We will then compare the rates of infectious complications following PCNL for the two groups.
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