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Radiation Exposure to the Patient During Diagnostic Coronary Angiogram at Dhulikhel Hospital

S Humagain1, R Maharjan2, R Koju1

  • 1Department of Cardiology Dhulikhel Hospital, Kathmandu University Hospital Dhulikhel, Kavre.

Kathmandu University Medical Journal (KUMJ)
|December 2, 2015
PubMed

Insights

Radiation exposure during coronary angiograms is a concern. This study found patient radiation doses are comparable internationally for Dose Area Product (DAP), but fluoroscopy times are longer. No significant gender differences were observed in radiation exposure.

Area of Science:

  • Interventional Cardiology
  • Medical Imaging
  • Radiation Safety

Background:

  • Coronary angiography, while beneficial, involves patient radiation exposure.
  • Cumulative radiation effects necessitate minimizing radiation dose.
  • Optimizing radiation safety in interventional cardiology is crucial.

Purpose of the Study:

  • To quantify patient radiation exposure during diagnostic coronary angiograms.
  • To assess radiation dose metrics including fluoroscopy time and Dose Area Product (DAP).

Main Methods:

  • Retrospective analysis of 166 patients undergoing diagnostic coronary angiography.
  • Recorded fluoroscopy time (minutes) and Dose Area Product (DAP) in Gy.cm².
  • Analyzed data for demographic variations, including gender.

Main Results:

  • Mean fluoroscopy time was 11.38±6.80 minutes; mean DAP was 40.73±23.58 Gy.cm².
  • No statistically significant difference in fluoroscopy time or DAP between male and female patients.
  • Observed fluoroscopy times were higher compared to international benchmarks.

Conclusions:

  • Patient radiation exposure in terms of DAP aligns with international values.
  • Fluoroscopy times in this cohort exceed international standards, indicating potential for optimization.
  • Radiation exposure is comparable between genders in diagnostic coronary angiograms.
Abstract

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