Radiation dose associated with coronary ct angiography and invasive coronary angiography

An experimental study of the effect of dose-saving strategies

Akmal Sabarudin, Zhonghua Sun, Kwan Hoong Ng

Research output: Contribution to journalArticle

6 Citations (Scopus)

Abstract

This study was conducted on a human anthropomorphic phantom to investigate the effective dose and entrance skin dose (ESD) in selected radiosensitive organs through invasive and computed tomography (CT) coronary angiography procedures using different dose-saving techniques. The effective dose was calculated as 2.49, 3.35 and 9.62 mSv, respectively, corresponding to three coronary CT angiography protocols, including prospective ECG gating and retrospective ECG gating with and without tube current modulation. In comparison, the effective dose was calculated as 7.26, 6.35, 5.58 and 4.71 mSv at four different magnifications acquired with invasive coronary angiography. The highest ESD was measured in the breast during the coronary CT angiography and in the thyroid gland during invasive coronary angiography. Although invasive coronary angiography produces lower radiation dose than coronary CT angiography, application of modified techniques in both CT and invasive coronary angiography is recommended in clinical practice for radiation dose reduction.

Original languageEnglish
Article numberncr377
Pages (from-to)180-187
Number of pages8
JournalRadiation Protection Dosimetry
Volume150
Issue number2
DOIs
Publication statusPublished - Jun 2012

Fingerprint

angiography
Coronary Angiography
Radiation
dosage
radiation
tomography
Electrocardiography
Skin
entrances
thyroid gland
Thyroid Gland
Breast
Tomography
magnification
breast
organs
Computed Tomography Angiography
tubes
modulation

ASJC Scopus subject areas

  • Radiology Nuclear Medicine and imaging
  • Radiological and Ultrasound Technology
  • Radiation
  • Public Health, Environmental and Occupational Health

Cite this

Radiation dose associated with coronary ct angiography and invasive coronary angiography : An experimental study of the effect of dose-saving strategies. / Sabarudin, Akmal; Sun, Zhonghua; Ng, Kwan Hoong.

In: Radiation Protection Dosimetry, Vol. 150, No. 2, ncr377, 06.2012, p. 180-187.

Research output: Contribution to journalArticle

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