Significance of renal pelvic urine culture and stone culture for high-risk patients of post-ureteroscopic lithotripsy SIRS

Abstract

  We examined predictive risk factors for systemic inflammatory response syndrome (SIRS) after ureteroscopic lithotripsy, and associations among preoperative bladder urine cultures, renal pelvic urine cultures, and stone cultures. We recruited 120 patients in this study. Preoperative bladder urine culture was positive in 49/120 patients (40.8%). Renal pelvic urine culture was positive in 15/118 patients (12.7%), and stone culture was positive in 17/114 patients (14.9%). Ten patients (8.2%) developed SIRS. Multivariate analysis revealed that a positive renal pelvic urine culture was the only significant risk factor for postoperative SIRS. Among SIRS patients, 7 patients showed a positive preoperative bladder urine culture, but pathogens revealed by renal pelvic urine culture or stone culture were consistent with those by preoperative bladder urine culture in only 3 of them. We recommend the culture of renal pelvic urine and stones for patients with a high risk of postoperative SIRS.