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• W4225246194 abstract "You have accessJournal of UrologyCME1 May 2022PD48-02 IS THE THULIUM FIBER LASER SUPERIOR TO THE LOW-POWER HO:YAG LASER FOR URETEROSCOPY IN CHILDREN? Christopher Jaeger, Caleb Nelson, Bartley Cilento, Tanya Logvinenko, and Michael Kurtz Christopher JaegerChristopher Jaeger More articles by this author , Caleb NelsonCaleb Nelson More articles by this author , Bartley CilentoBartley Cilento More articles by this author , Tanya LogvinenkoTanya Logvinenko More articles by this author , and Michael KurtzMichael Kurtz More articles by this author View All Author Informationhttps://doi.org/10.1097/JU.0000000000002616.02AboutPDF ToolsAdd to favoritesDownload CitationsTrack CitationsPermissionsReprints ShareFacebookLinked InTwitterEmail Abstract INTRODUCTION AND OBJECTIVE: The Holmium:yttrium-aluminum-garnet (Ho:YAG) laser has been the laser lithotripsy gold standard for several decades. The Thulium fiber laser is a new technology with unique technical properties emerging as a safe and effective alternative to Ho:YAG in adult series. Our free-standing children’s hospital recently adopted the Super Pulsed Thulium Fiber Laser (SPTF) from Olympus, which is the first such platform on the market in North America. Our objective was to compare clinical outcomes in consecutive pediatric ureteroscopies using a low-power Ho:YAG laser or the SPTF system at our center. METHODS: This is a retrospective cohort study of all unilateral ureteroscopies with laser lithotripsy performed by 3 surgeons for renal or ureteral stones at our center from 2016-2021. Demographics and procedure characteristics were compared between SPTF and Ho:YAG cases using Fisher’s Exact and Mann-Whitney U tests. Complications within 30 days of surgery and stone free status, defined as the absence of a stone fragment on follow-up imaging within 90 days of surgery, were analyzed using logistic regression. Operative times were compared using linear regression. Propensity scores using stone burden, stone location, and surgeon were constructed. Inverse probability of treatment weighting was used to account for imbalance between the cohorts. RESULTS: 125 ureteroscopies with laser lithotripsy were performed on 109 pediatric patients: 93 with Ho:YAG and 32 with SPTF. No significant difference was noted in age (p=0.36), gender (p=0.55), stone burden (p=0.96), or stone location (p=0.14). For the 92 ureteroscopies with 90 day follow-up imaging, the stone free rate (SFR) was 62%; 70% with SPTF and 59% with Ho:YAG. The odds of having a residual stone fragment were significantly lower with SPTF than with Ho:YAG (OR=0.46 (95% CI: 0.24-0.84), p=0.01). There was no significant difference in operative time (p=0.46). 7 (25%) complications were noted with SPTF and 19 (22%) with Ho:YAG (p=0.84). 2 complications were Clavien-Dindo ≥III; but were not directly attributed to a laser. CONCLUSIONS: For ureteroscopies in children, the SPTF using Thulium fiber laser technology improves the SFR achieved with low-power Ho:YAG lasers without compromising operative time or safety. Source of Funding: N/A © 2022 by American Urological Association Education and Research, Inc.FiguresReferencesRelatedDetails Volume 207Issue Supplement 5May 2022Page: e799 Advertisement Copyright & Permissions© 2022 by American Urological Association Education and Research, Inc.MetricsAuthor Information Christopher Jaeger More articles by this author Caleb Nelson More articles by this author Bartley Cilento More articles by this author Tanya Logvinenko More articles by this author Michael Kurtz More articles by this author Expand All Advertisement PDF DownloadLoading ..." @default.
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• W4225246194 date "2022-05-01" @default.
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• W4225246194 title "PD48-02 IS THE THULIUM FIBER LASER SUPERIOR TO THE LOW-POWER HO:YAG LASER FOR URETEROSCOPY IN CHILDREN?" @default.
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