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Audit of radiation dose to patients during coronary angiography

Roshan S Livingstone1, Sunil Chandy, Timothy B S Peace

  • 1Department of Radiology, Christian Medical College, Vellore - 632 004, India. roshanlivingstone@yahoo.com

Indian Journal of Medical Sciences
|January 30, 2007
PubMed

Insights

This study optimized radiation dose for coronary angiography (CA) patients. Implementing spectral filters and evaluating operator practices significantly reduced patient radiation exposure, with no reported adverse effects.

Area of Science:

  • Medical Imaging
  • Cardiology
  • Radiation Oncology

Background:

  • Widespread concern exists regarding patient radiation doses in cardiology procedures.
  • Coronary angiography (CA) is a common procedure with potential for significant radiation exposure.

Purpose of the Study:

  • To audit and optimize radiation dose for patients undergoing coronary angiography (CA).
  • To evaluate the effectiveness of dose reduction strategies in cardiovascular procedures.

Main Methods:

  • Dose auditing was performed on 149 patients undergoing CA.
  • Dose reduction strategies included spectral filters and evaluation of operator work practices.
  • Statistical significance was analyzed using Student's 't' test.

Main Results:

  • Mean dose area product (DAP) decreased from 55.86 Gy cm² before optimization to 27.71 Gy cm² after optimization.
  • No adverse effects related to radiation were reported in patients.
  • Copper filtration demonstrated potential for dose reduction.

Conclusions:

  • Radiation dose optimization is feasible and effective in coronary angiography.
  • Spectral filters, particularly copper filtration, can significantly reduce patient radiation exposure.
  • Optimized radiation protocols enhance patient safety during cardiovascular procedures.
Abstract

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