Table 1 Sample demographics and left ventricular function
From: Breathing maneuvers as a metabolic coronary vasodilator for first-pass perfusion MR imaging
Volunteer characteristics | All N=24 | Men N=15(62.5%) | Women N=9(37.5%) | p-value |
|---|---|---|---|---|
Age (years) | 37 ± 12 | 41 ± 14 | 32 ± 7 | ns |
Height (cm) | 171 ± 7 | 175 ± 6 | 165 ± 5 | < 0.001 |
Weight (Kg) | 69 ± 10 | 74 ± 7 | 62 ± 9 | < 0.01 |
SBP (mmHg) | 128 ± 15 | 134 ± 13 | 116 ± 9 | < 0.01 |
DBP (mmHg) | 74 ± 8 | 75 ± 8 | 73 ± 8 | ns |
HR (bpm) | 68 ± 10 | 64 ± 9 | 75 ± 9 | < 0.01 |
Caffeine intake [n(%)] | 14 (58.3 | 10 (41.7) | 4 (16.7) | ns |
Routine Exercise [n(%)] | 17 (70.8) | 10 (41.7) | 7 (29.2) | ns |
CMR findings | ||||
EDV/BSA (ml/m2) | 91.1 ± 14.8 | 96.1 ± 16.1 | 82.8 ± 7.3 | < 0.05 |
ESV/BSA (ml/m2) | 37.1 ± 7.6 | 39.9 ± 8.0 | 32.5 ± 3.9 | < 0.05 |
MM/BSA (g/m2) | 57.0 ± 14.0 | 64.8 ± 11.3 | 44.0 ± 6.2 | < 0.001 |
EF (%) | 59.4 ± 4.0 | 58.6 ± 4.5 | 60.7 ± 2.7 | ns |