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Factors Influencing Fluoroscopy Use During Ureteroscopy at a Residency Training Program.

Abstract：

: Introduction: Ionizing radiation is used throughout urologic surgery and is known to cause a greater cancer risk with increasing exposure. The International Commission on Radiological Protection states that "it is the control of radiation dose that is important, no matter the source." However, there are few reports on the amount of radiation used by urology residents during ureteroscopy (URS). We present the largest database evaluating fluoroscopy (fluoro) use during URS at a resident training program. Our objective is to assess the amount of fluoro use at varying levels of experience and to identify factors that lead to increased fluoro use. Methods: Retrospective data from 242 URSs performed at two resident training sites were collected. In total, 105 surgeries were done by two attending physicians without and 137 surgeries with residents (Uro1-Uro3). Patient data were collected from the electronic medical record. Statistical analyses included analysis of variance, Spearman correlations, and multiple linear regression (MLR). Results: Comparisons between years 1 and 2 revealed significantly (p < 0.05) decreased fluoro time (20.0 seconds) and operative time (OT) (12.2 minutes) for the year 2 resident. Total OT was significantly (p < 0.05) decreased (11.1 minutes) for attending physicians operating on their own compared with a year 1 resident. Significant (p < 0.05) correlations with fluoro time were demonstrated for OT, stone size, ureteral dilation, ureteral access sheath use, presence of a preoperative stent, resident year, and resident month. OT, ureteral dilation, and a preoperative stent placement were significant predictors of fluoro time on MLR (p < 0.05). Conclusion: Fluoro time during retrograde URS was significantly reduced as residents gained more experience in the operating room. An increase in fluoro time was also associated with ureteral dilation, access sheath use, increasing stone size, and lack of prestenting. With knowledge of these factors, emphasis can be placed on using and teaching techniques that limit radiation exposure.

journal_name

J Endourol

journal_title

Journal of endourology

authors

Hager SP,Balouch B,Desai S,Buckley M,Amster M,Belkoff L,May N

doi

10.1089/end.2020.0333

subject

Has Abstract

pub_date

2021-01-01 00:00:00

pages

25-29

issue

eissn

0892-7790

issn

1557-900X

journal_volume

pub_type

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Factors Influencing Fluoroscopy Use During Ureteroscopy at a Residency Training Program.