Table 4. Population characteristics and comparison between the normotensive and hypotensive group.
Results are expressed as mean ± standard deviation or count (percentage).
| Patient’s data | All | Normotensive | Hypotensive | P-val | |
|---|---|---|---|---|---|
| n = 45 | n = 29 | n = 16 | |||
| Demographic | |||||
| Age | (years) | 51±13 | 53±14 | 49±12 | 0.315 |
| Sex F | n (%) | 21(46) | 11(39) | 10(63) | 0.997 |
| Weight | (kg) | 73±15 | 76±17 | 69±11 | 0.292 |
| Height | (cm) | 168±9 | 169±10 | 166±8 | 0.329 |
| Comorbidities | |||||
| Hypertension | n (%) | 14(31) | 10(39) | 4(25) | 0.957 |
| Diabetes | n (%) | 2(4) | 1(4) | 1(6) | 0.516 |
| Dyslipidemia | n (%) | 5(11) | 4(14) | 1(6) | 0.662 |
| Myocardial infarction | n (%) | 1(2) | 1(4) | 0(0) | 0.468 |
| Transthoracic echocardiography | |||||
| Ejection Fraction | (%) | 59±9 | 57±9 | 61±8 | 0.127 |
| Wall Thickness | (cm) | 0.78±0.13 | 0.83±0.13 | 0.76±0.14 | 0.69 |
| Aortic root diameter | (cm) | 1.91±0.19 | 1.94±0.21 | 1.88±0.17 | 0.242 |
| End-Diastolic Volume | (ml) | 129±25 | 132±25 | 126±25 | 0.681 |
| Left Atrial Volume | (ml) | 54±5.4 | 56±3.8 | 52.4±7 | 0.682 |
| E-wave | (cm.s−1) | 76±24 | 70±21 | 82±26 | 0.105 |
| A-wave | (cm.s−1) | 61±18 | 64±18 | 59±15 | 0.432 |
| E’-wave (TDI) | (cm.s−1) | 12±5 | 11±3 | 13±5 | 0.352 |
| Velocity-Time Integral | (cm) | 23±5 | 23±5 | 23±5 | 0.86 |
| Stroke Volume | (ml) | 76±17 | 75±15 | 77±19 | 0.681 |
| Hemodynamic | |||||
| Mean Pressure | (mmHg) | 81±13 | 85±14 | 75±10 | <0.001 |
| Systolic Pressure | (mmHg) | 114±19 | 118±20 | 109±16 | <0.001 |
| Diatolic Pressure | (mmHg) | 60±10 | 62±11 | 56±7 | <0.001 |
| Stroke Volume (TED) | (ml) | 73±18 | 70±15 | 76±22 | <0.001 |
| Biology | |||||
| Potassium | mmol.l−1 | 4.1±0.4 | 4.1±0.5 | 4.1±0.3 | 0.962 |
| Serum Creatinine | μmol.l−1 | 70±16 | 73±18 | 65±12 | 0.242 |
| Treatment | |||||
| Total Fluid Infusion | ml | 1027±464 | 1079±417 | 950±612 | 0.475 |