Journal of the Korean Society of Radiology (한국방사선학회논문지)

The Korean Society of Radiology (한국방사선학회)
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Reference levels for patient Radiation Dose in interventional radiological procedures

중재적 방사선 시술 시 환자선량에 대한 참고 준위 비교

  • Park, Hyeok (Department of Diagnostic Radiology, Chonnam National University Hospital) ;
  • Kim, Yong-Wan (Department of Diagnostic Radiology, Chonnam National University Hospital) ;
  • Jeon, Ju-Seob (Department of Diagnostic Radiology, Chonnam National University Hospital)
  • 박혁 (전남대학교병원 영상의학과) ;
  • 김용완 (전남대학교병원 영상의학과) ;
  • 전주섭 (전남대학교병원 영상의학과)
  • Received : 2011.09.30
  • Accepted : 2012.02.21
  • Published : 2012.02.28
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Abstract

The purpose of this study is to measure and evaluate radiation dose on patients in interventional radiological(IVR) procedures classified by each procedure, and aid as data for safety management. Fluroscopy time(F-time), dose area product(DAP) and number of acquired images from each kind of procedure was checked. Non-vascular procedures showed low value, and vascular procedure showed high value in all procedures except in IVC filter. F-time was longest in EVAR, which showed also the highest DAP value of all procedures. DAP-rate showed high value in TACE. By this result, we attempt to establish standard guideline of radiation dose on patients in IVR procedure.

중재적 방사선 시술 시 환자의 피폭선량을 시술별로 분류하여 측정 및 평가하여 안전관리 자료로 활용하고자 하였다. 검사는 시술별(TACE, EVAR, Iliac stent, Lower Limb, BAE, Embolization, PTBD, PTGBD, Abscess, Nephrostomy)로 투시시간, 면적선량, 영상획득이미지 수를 측정하였다. 시술별 분석결과 비혈관계 검사에서 전반적으로 낮은 값을 보였으며, 혈관계 검사에서는 IVC filter를 제외한 모든 검사에서 높은 값을 나타냈다. 투시시간은 EVAR가 24m30s로 가장 높았고, 면적선량 또한 EVAR가 236 $Gy/cm^2$로 가장 높았다. 면적선량률은 TACE가 22.8 $Gy/cm^2$로 높게 나타났다. 이 결과를 토대로 중재적 방사선시술시 환자피폭선량에 대한 기준선량을 제시하고자 한다.

Keywords

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