# Risk factors for infections after urological procedures among patients with negative urine culture screening **Authors:** Nutnicha Tantiwattanapaibul, Anucha Apisarnthanarak, Patranuch Noppakulsatit, Chatchawet Liwrotsap, Teerayut Tangpaitoon, Valeerat Swatesutipun, Dollacha Vanichakarn, Natthapitch Tangkaew, Kittiya Jantarathaneewat, Nuntra Suwantarat PMC · DOI: 10.1017/ash.2025.10271 · 2026-01-20 ## TL;DR The study identifies risk factors for infections after urological procedures in patients with initially negative urine cultures. ## Contribution The study identifies specific risk factors for post-procedure infections in patients with initially negative urine cultures. ## Key findings - Chronic kidney disease stage III-V is a significant risk factor for post-procedure infections. - Previous urinary tract infection within 3 months increases infection risk after urological procedures. - Percutaneous nephrolithotomy is associated with higher infection risk despite negative urine cultures. ## Abstract In this retrospective cohort, chronic kidney disease stage III-V (P = .005), history of previous urinary tract infection within 3 months (P < .05), Revised Cardiac Risk Index for preoperative risk ≥2 (P = .002), and percutaneous nephrolithotomy procedure (P < .05) were associated with risks of infections after urological procedures among patients with negative urine culture screening. ## Linked entities - **Diseases:** chronic kidney disease (MONDO:0005300), urinary tract infection (MONDO:0005247) ## Full-text entities - **Diseases:** chronic kidney disease (MESH:D051436), urinary tract infection (MESH:D014552), infections (MESH:D007239) - **Species:** Homo sapiens (human, species) [taxon 9606] ## Figures 2 figures with captions in the complete paper: https://tomesphere.com/paper/PMC12835951/full.md --- Source: https://tomesphere.com/paper/PMC12835951