Objective: To report the incidence and risk factors of urosepsis after ureteroscopic lithotripsy (URSL).
Patients And Methods: We retrospectively reviewed 1,421 patients who underwent URSL for ureteral calculi between July 2015 and June 2018 at our department to identify factors predicting postoperative urosepsis. Demographic characteristics, clinical data, operative information, and complications were compared, and risk factors of postoperative urosepsis were identified and analyzed.
Results: Of the 1,421 patients treated with URSL using holmium: yttrium-aluminum-garnet laser, 12 (0.8%) developed a urosepsis after operation. The positive preoperative multidrug resistance (MDR) urine culture and operative duration were statistically different between those who did and did not develop a urosepsis (4.61 vs. 25%, p = 0.017; 70 vs. 62 min, p < 0.001). However, patient age, sex, body mass index, diabetes mellitus, history of urolithiasis, positive preoperative urine cultures, stone size and location, degree of hydronephrosis, and prior stent placement were similar in 2 groups. Multivariate analysis revealed that positive preoperative MDR urine culture and long operation duration significantly increased the risk of postoperative urosepsis (OR 5.090, 95% CI 1.312-19.751, p = 0.019; OR 1.034, 95% CI 1.004-1.063; p = 0.024). Matched-pair analysis demonstrated that positive preoperative MDR urine culture and operation duration were significantly associated with postoperative urosepsis (OR 15.77, 95% CI 1.033-240.7, p = 0.047; OR 1.087, 95% CI 1.011-1.169, p = 0.025).
Conclusions: Patients with positive preoperative MDR urine culture or long operation duration had a higher risk of developing urosepsis after URSL. When treating patients who present with positive preoperative MDR urine culture or long operation duration, urologists should be vigilant and aware of the potential risk of urosepsis.
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