Abstract:
:Forty-nine patients with previous bypass surgery underwent coronary angiography and cardiovascular magnetic resonance (MR) imaging of single-vein bypass grafts. Volume flow and velocity analyses were performed and compared on MR velocity maps. Bland-Altman analysis showed close agreement between the two types of analysis. Comparison of areas under the receiver operating characteristic curve revealed no significant differences between the analyses for detection of stenoses of 70% or greater. Diagnostic accuracy for volume flow and velocity parameters was 92% and 93%, respectively. Velocity analysis appears to be the preferred method, because it is less time-consuming and has a similar diagnostic accuracy to volume flow analysis.
journal_name
Radiologyjournal_title
Radiologyauthors
Salm LP,Langerak SE,Vliegen HW,Jukema JW,Bax JJ,Zwinderman AH,van der Wall EE,de Roos A,Lamb HJdoi
10.1148/radiol.2323030289subject
Has Abstractpub_date
2004-09-01 00:00:00pages
915-20issue
3eissn
0033-8419issn
1527-1315pii
2323030289journal_volume
232pub_type
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