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Automatic Tube Potential Selection with Tube Current Modulation (APSCM) in coronary CT angiography: Comparison of image quality and radiation dose with conventional body mass index-based protocol

Authors
 Young Jean Park  ;  Young Jin Kim  ;  Ji Won Lee  ;  Hee Yeong Kim  ;  Yoo Jin Hong  ;  Hye-Jeong Lee  ;  Jin Hur  ;  Ji Eun Nam  ;  Byoung Wook Choi 
Citation
 Journal of Cardiovascular Computed Tomography, Vol.6(3) : 184-190, 2012 
Journal Title
 Journal of Cardiovascular Computed Tomography 
ISSN
 1934-5925 
Issue Date
2012
Abstract
BACKGROUND: The use of Automatic Tube Potential Selection with Tube Current Modulation (APSCM) may lower radiation dose, but it is unknown whether image quality is maintained. OBJECTIVE: The aim of this study was to evaluate the radiation dose and image quality of APSCM application compared with conventional body mass index (BMI)-based examination protocol for coronary computed tomography angiography (CTA). METHODS: Consecutive patients (n = 487) were retrospectively enrolled: 239 patients who underwent coronary CTA with APSCM (APSCM group) and 248 patients who underwent coronary CTA with a BMI-based tube potential (in kV) and tube current-time product (in mAs) protocol (BMI-based group). Comparison of quantitative and qualitative image quality and radiation dose was performed. RESULTS: The use of APSCM found significant reduction in radiation dose compared with the BMI-based protocol, with a significantly more frequent use of 80 kV (P < 0.0001). Diagnostic image quality was maintained, with no significant difference between the 2 groups (P = 0.887). CONCLUSION: The use of APSCM for coronary CTA significantly reduced radiation dose while maintaining image quality; therefore, it is feasible in daily practice which covers patients with various BMI values.
Full Text
http://www.sciencedirect.com/science/article/pii/S1934592512001347
DOI
10.1016/j.jcct.2012.04.002
Appears in Collections:
1. College of Medicine (의과대학) > Dept. of Radiology (영상의학교실) > 1. Journal Papers
Yonsei Authors
Kim, Young Jin(김영진) ORCID logo https://orcid.org/0000-0002-6235-6550
Kim, Hee Yeong(김희영)
Nam, Ji Eun(남지은)
Lee, Ji Won(이지원)
Lee, Hye Jeong(이혜정) ORCID logo https://orcid.org/0000-0003-4349-9174
Choi, Byoung Wook(최병욱) ORCID logo https://orcid.org/0000-0002-8873-5444
Hur, Jin(허진) ORCID logo https://orcid.org/0000-0002-8651-6571
Hong, Yoo Jin(홍유진) ORCID logo https://orcid.org/0000-0002-7276-0944
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URI
https://ir.ymlib.yonsei.ac.kr/handle/22282913/90651
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