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Table 1 Effect of nitroglycerin on performance of MRCA

From: Positive effect of sublingual nitroglycerin on performance of non-contrast enhanced magnetic resonance coronary angiography

Coronary vessel Diameter before slNitro (mm, mean) Diameter after slNitro (mm, mean) P value Image quality before nitro (mean) Image quality after nitro (mean) P value
RCA prox 3.8 4.2 0.001 2.7 2.9 0.19
RCA med 3.2 3.8 0.008 2.1 2.5 0.048
RCA dist 3.1 3.5 0.002 2.1 2.5 0.02
Left main 4.0 4.6 <0.001 3.4 3.5 0.3
LAD prox 3.4 4.0 <0.001 3.1 3.3 0.1
LAD med 3.1 3.6 <0.001 2.7 3.1 0.06
LAD dist 2.6 3.2 <0.001 2.1 2.7 0.006
LCX prox 3.2 3.6 0.01 2.4 2.7 0.1
LCX med 2.8 3.3 <0.001 2.4 2.9 0.004
LCX dist 2.5 3.9 0.02 2.0 2.5 0.004