Postoperative Infection Rates in Patients with a Negative Baseline Urine Culture Undergoing Ureteroscopic Stone Removal: A Matched Case–Control Analysis on Antibiotic Prophylaxis from the CROES URS Global Study

In patients with a negative baseline urine culture undergoing URS for ureteral or renal stones, rates of postoperative UTI and fever were not reduced by preoperative antibiotic prophylaxis. Female gender and a high ASA score were specific risk factors for postoperative infection in this patient group.