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Hand Surgery and Fluoroscopic Eye Radiation Dosage: A Prospective Pilot Comparison of Large Versus Mini C-Arm Fluoroscopy Use
Journal article   Open access   Peer reviewed

Hand Surgery and Fluoroscopic Eye Radiation Dosage: A Prospective Pilot Comparison of Large Versus Mini C-Arm Fluoroscopy Use

Mark L. Wang, C. Edward Hoffler, Asif M. Ilyas, William H. Kirkpatrick, Pedro K. Beredjiklian and Charles F. Leinberry
Hand (New York, N.Y.), v 12(1)
01 Jan 2017
DOI: https://doi.org/10.1177/1558944716643279
PMID: 28082838
url
https://doi.org/10.1177/1558944716643279View
Published, Version of Record (VoR)Open Access (License Unspecified),  Open

Abstract

Surgery
Background: The purpose of this study is to (1) perform a prospective pilot comparison of the impact of large versus mini C-arm fluoroscopy on resultant eye radiation exposure and (2) test the hypothesis that the use of either modality during routine hand surgery does not exceed the current recommended limits to critical eye radiation dosage. Methods: Over a 12-month period, eye radiation exposure was prospectively measured by a board-certified hand surgeon using both large and mini C-arm fluoroscopy. For each modality, accumulated eye radiation dosage was measured monthly, while fluoroscopic radiation output was recorded, including total exposure time and dose rate. Results: A total of 58 cases were recorded using large C-arm and 25 cases using mini C-arm. Between the 2 groups, there was not a significant difference with total exposure time ( P = .88) and average dose rate per case ( P = .10). With the use of either modality, average monthly eye radiation exposure fell within the undetectable range (<30 mrem), significantly less than the current recommended limit of critical eye radiation (167 mrem/month). Conclusions: The impact of various fluoroscopic sources on eye radiation exposure remains relatively unexplored. In this study, the minimal detectable eye radiation dosages observed in both groups were reliably consistent. Our findings suggest that accumulated eye radiation dosage, from the use of either fluoroscopic modality, does not approach previously reported levels of critical radiation loads.

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