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Consistency of quantitative analysis of coronary computed tomography angiography.

Abstract：

BACKGROUND:The present study aimed to assess the reliability and reproducibility of coronary computed tomography angiography (CCTA) for the serial quantitative assessment of plaque volume. METHODS:Patients who underwent repeated CCTA scans within 90 days were retrospectively screened and enrolled. Clinical data and CCTA imaging data were collected. Paired CCTA scans were analyzed using the quantitative method by separate observers blinded to the other paired CCTA scans. Results were compared between the index CCTA and follow-up CCTA. RESULTS:Paired CT scans of 95 patients (61 ± 13 years; 56.8% men) with same tube voltages (kVp) at both CCTAs and 24 patients (57 ± 19 years; 48.3% men) with different kVp at two CCTAs were analyzed. In patients with same kVp at both CCTAs, there were no difference in PV and PVs of each components in per-segment analysis and per-lesion analysis (all p > 0.05). In per-lesion analysis of CCTAs from patients who used different kVp between two CCTAs, lesion length, area and diameter stenosis, and PVs were not different between index and follow-up CCTAs (all p > 0.05). Segment length and PV were also showed no difference between two serial CCTAs in per-segment analysis. CONCLUSION:We showed the reproducibility and reliability of quantitative analysis of CCTA for assessment of coronary plaques. CCTA can be applied for the serial quantitative assessment of coronary artery disease progression, regardless of differences in the image acquisition protocol.

journal_name

J Cardiovasc Comput Tomogr

journal_title

Journal of cardiovascular computed tomography

authors

Lee SE,Park HB,Xuan D,Lee BK,Hong MK,Jang Y,Chang HJ

doi

10.1016/j.jcct.2018.09.012

subject

Has Abstract

pub_date

2019-01-01 00:00:00

pages

48-54

issue

1

eissn

1934-5925

issn

1876-861X

pii

S1934-5925(18)30091-1

journal_volume

13

pub_type

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