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내시경 역행성 췌담관조영술에서 자체 제작된 납 차폐막의 방사선 차단효과

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Author(s)
김윤정조광범김은수박경식장병국정우진황재석
Keimyung Author(s)
Cho, Kwang BumKim, Eun SooPark, Kyung SikJang, Byoung KukChung, Woo JinHwang, Jae Seok
Department
Dept. of Internal Medicine (내과학)
Journal Title
Korean Journal of Gastroenterology
Issued Date
2011
Volume
57
Issue
1
Keyword
Radiation(방사선)Protective shield(차폐막)ERCP(내시경 역행성 췌담관조영술)
Abstract
Background/Aims: The increasing use of diagnostic and therapeutic endoscopic retrograde cholangiopancreatography (ERCP) calls for greater consideration of radiation exposure risk to endoscopists and assistants, and emphasizes the proper system of radiation protection. This study was designed to assess the effect of a newly developed, self-designed, protective lead shield. Methods: A curtain-shaped protective shield composed of seven movable lead plates was developed, each with the following dimensions: depth, 0.1 cm; width, 15 cm; length, 70 cm. The curtain-shaped protective shield was designed to be located between the patient and the endoscopist. Twenty-nine patients (11 men and 18 women) undergoing ERCP between January 2010 and March 2010 were selected for this study. The dose of radiation exposure was recorded with or without the protective lead shield at the level of the head, chest, and pelvis. The measurement was made at 50 cm and 150 cm from the radiation source. Results: The mean patient age was 64 years. The mean patient height and weight was 161.7±6.9 cm and 58.9±9.9 kg, respectively. The mean body mass index (BMI) was 22.5±3.0 kg/m2. Endoscopists received 1522.2±537.0 mR/hr without the protective lead shield. At the same distance, radiation exposure was significantly reduced to 68.8±88.0 mR/hr with the protective lead shield (p-value<0.0001). The radiation exposure to endoscopists and assistants was significantly reduced by the use of a protective lead shield (p value <0.0001). The amount of radiation exposure during ERCP was related to the patient’s BMI (r=0.749, p=0.001). Conclusions: This self-designed, protective lead shield is effective in protecting endoscopists and assistants from radiation exposure.
Alternative Title
Efficacy of a Self-designed Protective Lead Shield in Reduction of Radiation Exposure Dose During Endoscopic Retrograde Cholangiopancreatography
Keimyung Author(s)(Kor)
조광범
김은수
박경식
장병국
정우진
황재석
Publisher
School of Medicine
Citation
김윤정 et al. (2011). 내시경 역행성 췌담관조영술에서 자체 제작된 납 차폐막의 방사선 차단효과. Korean Journal of Gastroenterology, 57(1), 28–33. doi: 10.4166/kjg.2011.57.1.28
Type
Article
ISSN
1598-9992
DOI
10.4166/kjg.2011.57.1.28
URI
https://kumel.medlib.dsmc.or.kr/handle/2015.oak/36142
Appears in Collections:
1. School of Medicine (의과대학) > Dept. of Internal Medicine (내과학)
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