多施設における循環器撮影装置のIVR基準点での線量率の比較 The Comparison between Dose Rates at the Interventional Reference Point of the Angiography Systems in Many Facilities

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著者

    • 石橋 徹 ISHIBASHI Tooru
    • 医療法人あかね会土谷総合病院診療技術部放射線室 Department of Medical Technology, Tsuchiya General Hospital
    • 今田 直幸 IMADA Naoyuki
    • 医療法人あかね会土谷総合病院診療技術部放射線室 Department of Medical Technology, Tsuchiya General Hospital
    • 麻生 弘哉 ASOU Hiroya
    • 医療法人あかね会土谷総合病院診療技術部放射線室 Department of Medical Technology, Tsuchiya General Hospital
    • 稲田 智 INADA Satoshi
    • 医療法人あかね会土谷総合病院診療技術部放射線室 Department of Medical Technology, Tsuchiya General Hospital
    • 沖野 瑞穂 OKINO Mizuho
    • 医療法人あかね会土谷総合病院診療技術部放射線室 Department of Medical Technology, Tsuchiya General Hospital
    • 野中 春輝 NONAKA Haruki
    • 医療法人あかね会土谷総合病院診療技術部放射線室 Department of Medical Technology, Tsuchiya General Hospital

抄録

The management of the radiation dose is very important in interventional radiology (IVR), especially in percutaneous coronary intervention (PCI). Therefore, we measured entrance surface doses at the interventional reference point of 27 cardiac intervention procedures in 22 cardiac catheterization laboratories around Hiroshima, and compared these doses. Recently, for cardiac interventional radiology, the X-ray machines using flat-panel detectors (FPD) instead of image intensifiers (I.I.) is increasing; 13 systems used FPD and 14 systems used I.I. For fluoroscopy rate, the difference between laboratories was 9 times. For cineangiography rate, the difference between laboratories was 7 times. In addition, between both devices, the I.I. group is bigger than the FPD group. When comparing by the same condition, for the dose at the interventional reference point, no significant difference was detected between the FPD group and the I.I. group. This study shows that FPD is not available for reducing the radiation dose simply. Therefore, it is necessary that we think of the balance with image quality and radiation dose. The optimization of the devices and cardiac intervention procedures becomes very important.

収録刊行物

  • 日本放射線技術學會雜誌

    日本放射線技術學會雜誌 68(3), 260-268, 2012-03-20

    公益社団法人 日本放射線技術学会

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各種コード

  • NII論文ID(NAID)
    10030139295
  • NII書誌ID(NCID)
    AN00197784
  • 本文言語コード
    JPN
  • 資料種別
    NOT
  • ISSN
    03694305
  • NDL 記事登録ID
    023640054
  • NDL 請求記号
    Z19-205
  • データ提供元
    CJP書誌  NDL  J-STAGE 
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