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  • Title: Minimizing Radiation Exposure During ERCP by Avoiding Live or Continuous Fluoroscopy.
    Author: Churrango G, Deutsch JK, Dinneen HS, Churrango J, Samiullah S, Ahlawat SK.
    Journal: J Clin Gastroenterol; 2015; 49(10):e96-100. PubMed ID: 26191644.
    Abstract:
    GOALS: The aim of this study was to assess the cumulative radiation exposure incurred by patients when using single-frame fluoroscopy. BACKGROUND: Single-frame fluoroscopy is a technique that can be used instead of pulsed fluoroscopy or continuous live fluoroscopy to minimize radiation exposure during endoscopic retrograde cholangiopancreatography (ERCP). STUDY: We retrospectively reviewed ERCPs performed at our academic medical center. We recorded fluoroscopy time (FT, minutes), total radiation dose (mGy), dose area product (DAP, Gy cm²), and effective dose (ED, mSv). ERCP degree of difficulty was graded based on procedure complexity level. RESULTS: There were 400 ERCP procedures performed on 210 patients, 32 ERCPs were unsuccessful. The mean FT for all procedures was 1.57 minutes (median, 1.2 min); the mean FT for complexity score 1 procedures (0.78 min) was significantly shorter than for all other procedures (P<0.0001). The mean total radiation dose delivered for all procedures was 23.02 mGy (median, 14.95 mGy). The total radiation dose for complexity score 1 procedures (13.15 mGy) was significantly lower than for all other complexity scores (P<0.0001). The mean total DAP was 3.62 Gy cm² and the mean ED was 0.94 mSv. Procedure complexity score 1 DAP (2.1 Gy cm²) and ED (0.55 mSv) were significantly lower than for all other procedures (P<0.0001 for both). There was no statistically significant difference in these parameters when comparing successful and unsuccessful procedures. CONCLUSIONS: Successful ERCP can be performed using single-frame fluoroscopy only. Our results demonstrate lower radiation exposure using this technique than what is reported in the literature.
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