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Table 2 Summary of coronary artery disease status, hemodynamics, and CMR findings

From: Fully quantitative pixel-wise analysis of cardiovascular magnetic resonance perfusion improves discrimination of dark rim artifact from perfusion defects associated with epicardial coronary stenosis

  NonCAD (N = 55) CAD (N = 21) p-value
Extent of CAD by QCA
 Left main disease N/A 0 0% N/A
 LAD disease N/A 16 76% N/A
 CX disease N/A 9 43% N/A
 RCA disease N/A 12 57% N/A
 3-vessel CADa N/A 0a 0%a N/A
 2-vessel CAD N/A 16 76% N/A
 1-vessel CAD N/A 5 24% N/A
 Severity of stenosis
  0–49% N/A 47 56% N/A
  50–69% N/A 13 15% N/A
   ≥ 70% N/A 24 29% N/A
Hemodynamics
 Baseline systolic BP (mmHg) 131.3 ± 14.7 137.0 ± 12.7 0.122
 Baseline diastolic BP (mmHg) 79.5 ± 10.7 78.3 ± 13.3 0.875
 Baseline heart rate (bpm) 67.1 ± 12.1 66.7 ± 10.7 0.891
 Baseline rate pressure Product (bpmammHg) 9148 ± 1784 8802 ± 1785 0.452
 Stress systolic BP (mmHg) 128.8 ± 17.7 134.2 ± 16.7 0.224
 Stress diastolic BP (mmHg) 74.5 ± 14.2 72.3 ± 14.5 0.548
 Stress heart rate (bmp) 101.2 ± 14.0 94.7 ± 13.7 0.070
 Stress rate pressure product (bmpammHg) 12,709 ± 2472 13,053 ± 2743 0.617
CMR Findings
 LV ejection fraction (%) 64.1 ± 6.5 60.3 ± 6.5 0.047
 LV stroke volume (ml) 100.4 ± 21.7 93.1 ± 25.0 0.213
 LVEDV (ml) 159.2 ± 41.8 157.0 ± 45.1 0.841
 LVESV (ml) 58.7 ± 25.5 63.9 ± 29.1 0.453
 LVED Mass (g) 98.0 ± 28.8 107.7 ± 25.5 0.177
 LGE evidence of infarction 0 0% 8 38% < 0.001
  1. Abbreviations: BP blood pressure, CX circumflex coronary artery, LGE late gadolinium enhancement, LV left ventricular, LVEDV left ventricular end diastolic volume, LVESV left ventricular end systolic volume, LVEDMass left ventricular end diastolic mass, LGE late gadolinium enhancement, N/A not applicable
  2. p values that were significant (p<0.050 or lower) are in bold
  3. aPatients with a prior history of coronary artery by-pass surgery and 3 vessel CAD coronary artery disease were excluded from this study