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Patient dose values in interventional radiology

E Vañó1, L González, J M Fernández

  • 1Radiology Department, School of Medicine, Complutense University, Madrid, Spain.

The British Journal of Radiology
|November 1, 1995
PubMed
Summary
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Establishing reference dose values in interventional radiology is crucial for patient safety. This study measured dose-area product and surface dose in Spain, providing initial results for various procedures to aid patient protection programs.

Area of Science:

  • Medical Physics
  • Radiology
  • Radiation Protection

Background:

  • Interventional radiology procedures can involve significant radiation exposure.
  • Establishing reference dose values is essential for patient safety and radiological risk assessment.
  • Compliance with European directives on patient protection necessitates standardized measurement methods.

Purpose of the Study:

  • To establish reference dose values for interventional radiology procedures in Spain.
  • To evaluate measurement methods for dose-area product and surface dose.
  • To inform patient protection programs based on radiological risk.

Main Methods:

  • Development of measurement methods compliant with European directives.
  • Measurement of dose-area product (DAP) and surface dose using thermoluminescent dosimetry chips.

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  • Data collection from 680 patients across 10 Spanish hospital centers.

    • Main Results:

    • Initial results presented for percutaneous transluminal coronary angioplasty, coronary angiography, and arteriographies (lower extremity, renal, cerebral).
    • Mean dose-area product values reported: 8750 cGy cm² (PTCA), 6651 cGy cm² (coronary angiography), 6663 cGy cm² (lower extremity arteriography), 9292 cGy cm² (renal arteriography), 6816 cGy cm² (cerebral arteriography).
    • Discussion of the utility of DAP and surface dose measurements in patient protection.

    Conclusions:

    • The study provides initial reference dose values for key interventional radiology procedures in Spain.
    • Measured dose values can be utilized in patient protection programs to optimize radiation safety.
    • Standardized measurement methods are vital for consistent risk assessment and patient care.