Stored-fluorography mode reduces radiation dose during cardiac catheterization measured with OSLD dosimeter

Chien-Yi Ting; Zhih-Cherng Chen; Kuo-Ting Tang; Wei-Chung Liu; Chun-Chih Lin; Hsin-Ell Wang

doi:10.1117/12.2228616

8 December 2015 Stored-fluorography mode reduces radiation dose during cardiac catheterization measured with OSLD dosimeter

Chien-Yi Ting, Zhih-Cherng Chen, Kuo-Ting Tang, Wei-Chung Liu, Chun-Chih Lin, Hsin-Ell Wang

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Proceedings Volume 9875, Eighth International Conference on Machine Vision (ICMV 2015); 98750V (2015) https://doi.org/10.1117/12.2228616
Event: Eighth International Conference on Machine Vision, 2015, Barcelona, Spain

Abstract

Coronary angiogram is an imperative tool for diagnosis of coronary artery diseases, in which cine-angiography is a commonly used method. Although the angiography proceeds under radiation, the potential risk of radiation exposure for both the patients and the operators was seldom noticed. In this study, the absorbed radiation dose in stored-fluorography mode was compared with that in cine-angiography mode by using optically simulated luminescent dosimeters to realize their effects on radiation dose. Patients received coronary angiogram via radial artery approach were randomized into the stored-fluorography group (N=30) or the cine-angiography group (N=30). The excluded criteria were: 1. women at pregnancy or on breast feeding, 2. chronic kidney diseases with glomerular filtration rate less than 60 mL/min. During the coronary angiogram, absorbed dose of the patients and the operator radiation exposure was measured with optically simulated luminescent dosimeter (OSLD). The absorbed dose of the patients in the stored-fluorography group (3.13±0.25 mGy) was apparently lower than that in the cine-angiography group (65.57±5.37 mGy; P<0.001). For the operator, a statistical difference (P<0.001) was also found between the stored-fluorography group (0.09163 μGy) and the cine-angiography (0.6519μGy). Compared with traditional cine-angiography mode, the stored-fluorography mode can apparently reduce radiation exposure of the patients and the operator in coronary angiogram.

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Chien-Yi Ting, Zhih-Cherng Chen, Kuo-Ting Tang, Wei-Chung Liu, Chun-Chih Lin, and Hsin-Ell Wang "Stored-fluorography mode reduces radiation dose during cardiac catheterization measured with OSLD dosimeter", Proc. SPIE 9875, Eighth International Conference on Machine Vision (ICMV 2015), 98750V (8 December 2015); https://doi.org/10.1117/12.2228616

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KEYWORDS

Angiography

Arteries

Cardiac catheterization

Skin

Radiation effects

Surgery

Fluoroscopy

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