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. Author manuscript; available in PMC: 2013 Sep 1.
Published in final edited form as: Circ Cardiovasc Imaging. 2012 Aug 10;5(5):573–579. doi: 10.1161/CIRCIMAGING.112.974972

Table 2.

Image quality of 101 patients with successful CMRA

No. of
Segments
≥1.5 mm
On QCA
No. of
Assessable
Segments
on CMRA
Causes of Nonassessibility Image
Quality of
CMRA
Poor
opacification
Motion
artifacts
Small
caliber
LM 101 101(100%) 0 0 0 3.4 ± 0.5
LAD
 Proximal 101 97(96%) 3 1 0 3.3 ± 0.7
 Mid 98 93(95%) 3 2 0 3.3 ± 0.8
 Distal 84 74(88%) 3 5 2 3.1 ± 1.0
 Diagonal branches 116 100(86%) 7 4 5 3.1 ± 1.0
LCX
 Proximal 100 97(97%) 1 2 0 3.3 ± 0.7
 Distal 79 74(94%) 2 2 1 3.2 ± 0.8
 Marginal branches 111 99(89%) 4 5 3 2.9 ± 1.0
RCA
 Proximal 101 101 (100%) 0 0 0 3.4 ± 0.5
 Mid 101 101 (100%) 0 0 0 3.4 ± 0.5
 Distal 94 91(97%) 2 1 0 3.3 ± 0.7
 PDA/PL 95 76(80%) 8 7 4 2.8 ± 1.1
Total 1181 1104(94%) 33 29 15 3.2 ± 0.8

Data are expressed as means ± SD. QCA = quantitative coronary angiography; LAD = left anterior descending coronary artery; LCX = left circumflex coronary artery; LM = left main coronary artery; RCA = right coronary artery; pro = proximal; mid = middle; dis = distal.