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Table 2 Comparison of CMR measurements in patients and controls

From: Aortic stiffening and its impact on left atrial volumes and function in patients after successful coarctation repair: a multiparametric cardiovascular magnetic resonance study

Variable Patients (n = 51) Controls (n = 54) p Value
Maximal aortic area (mm2/m2)
 Aortic root 449.5 ± 126.1 440.5 ± 93.0 0.95
 Ascending aorta 353.2 ± 104.5 356.3 ± 68.4 0.41
 Descending aorta at the isthmus 163.2 ± 61.5 176.9 ± 32.0 0.02
 Descending aorta at the level of the diaphragm 151.9 ± 35.3 155.2 ± 38.0 0.82
LVEDV (ml/m2) 81.0 ± 15.3 80.1 ± 12.0 0.91
LVESV (ml/m2) 30.4 ± 12.0 31.0 ± 6.2 0.28
LVSV (ml/m2) 50.6 ± 8.2 49.0 ± 7.9 0.35
LVEF (%) 63.3 ± 8.0 61.3 ± 4.4 0.04
LV mass (g/m2) 60.7 ± 14.1 57.5 ± 14.2 0.25
LA Volmax (ml/m2) 47.5 ± 10.2 43.2 ± 8.7 0.07
LA Volac (ml/m2) 32.3 ± 8.0 27.4 ± 5.9 <0.01
LA Volmin (ml/m2) 24.6 ± 6.1 20.9 ± 5.1 <0.01
LA Total emptying volume (ml/m2) 23.0 ± 6.1 22.5 ± 5.7 0.98
VPassive (ml/m2) 15.3 ± 5.0 15.6 ± 4.9 0.50
VContractile (ml/m2) 7.7 ± 3.3 6.5 ± 2.7 0.06
LAEFContractile (%) 23.7 ± 7.2 23.7 ± 8.1 1.00
LAEFPassive (%) 32.2 ± 8.1 36.9 ± 6.6 <0.01
LAEFReservoir (%) 48.4 ± 6.9 51.9 ± 6.8 <0.05
Distensibility (10−3 mmHg−1)
 Aortic root 5.6 ± 3.8 7.4 ± 3.0 <0.01
 Ascending aorta 5.8 ± 3.1 8.1 ± 3.6 <0.01
 Descending aorta at the isthmus 5.7 ± 3.0 6.8 ± 2.3 <0.01
 Descending aorta at the level of the diaphragm 6.8 ± 2.8 8.0 ± 2.8 <0.05
PWV aortic arch (m/s) 4.6 ± 1.7 3.5 ± 0.8 <0.01
PWV descending aorta (m/s) 4.3 ± 1.6 3.9 ± 0.8 0.70
  1. Data are presented as mean ± SD. P-Values are from the Mann-Whitney-U test
  2. LVEF left ventricular ejection fraction, LVSV left ventricular stroke volume, LVEDV left ventricular end-diastolic volume, LVESV left ventricular end-systolic volume, LA Vol max maximal left atrial volume, LA Vol min minimal left atrial volume, LA Vol ac left atrial volume just before atrial contraction, LAEF Contractile left atrial contractiale emptying function, LAEF Passive left atrial passive emptying function, LAEF Reservoir left atrial reservoir emptying function, PWV pulse wave velocity, V Contractile left atrial contractile volume, V Passive left atrial passive emptying volume