Table 2

Quantitative results of positron emission tomography with nitrogen-13 ammonia

CCTGA isolated group A (n=7)CCTGA + anomalies group B (n=8)Control group (n=11)
Data are mean (SD).
*p<0.001 v healthy young adults.
MBF, myocardial blood flow; MCR, minimal coronary vascular resistance.
Age (years)30.3 (11.9)30.6 (16.4)26.2 (5.2)
MBFrest (ml/100g/min)76 (9)82 (28)71 (21)
MBFrest normalised (ml/100 g/min)78 (17)72 (9)75 (15)
MBFadenosine (ml/100 g/min)195 (21)*201 (27)*309 (74)
Coronary flow reserve2.5 (0.28)*2.6 (0.48)*4.0 (0.73)
MCRrest (mm Hg/ml/g/min)125.5 (16.8)141.3 (59.9)141.6 (24.8)
MCRadenosine (mm Hg/ml/g/min)50.4 (9.4)*57.7 (21.3)*36.6 (6.4)