Table 4.
Haemodynamic responses to HUT-60°. Difference between the variables averaged over 5 min of HUT-60° and the variables averaged over 5 min of supine recording: results are expressed as mean ± standard deviation
| Variables | All patients (69) |
Fallers (26) |
Non-fallers (43) |
P-value |
|---|---|---|---|---|
| RRI (ms) | −60.4 ± 66.8 | −55.9 ± 71.1 | −63 ± 65 | 0.514 |
| HR (bpm) | 6.2 ± 7.3 | 6.9 ± 9.6 | 5.8 ± 5.7 | 0.860 |
| contSBP (mmHg) | 3.9 ± 11.9 | 4.8 ± 14.9 | 3.4 ± 9.9 | 0.178 |
| contDBP (mmHg) | 6.3 ± 8.5 | 6.3 ± 10.6 | 6.3 ± 7.1 | 0.575 |
| contmBP (mmHg) | 5.3 ± 9.4 | 5.4 ± 12 | 5.2 ± 7.8 | 0.436 |
| SV (ml) | −4.1 ± 13.8 | −4.5 ± 12.7 | −3.9 ± 14.5 | 0.693 |
| CO (L/min) | 0.01 ± 1 | 0 ± 0.9 | 0.02 ± 1 | 0.734 |
| TPR (dyne*s/cm5) | 98.3 ± 374.8 | 102.8 ± 367.4 | 95.5 ± 384.1 | 0.941 |
| SI (ml/m2) | −2.3 ± 7.6 | −2.3 ± 6.9 | −2.3 ± 8 | 0.703 |
| CI (L/min*m2) | −0.01 ± 0.5 | 0.01 ± 0.5 | −0.01 ± 0.5 | 0.887 |
| TPRI(dyne*s*m2/cm5) | 173.7 ± 684 | 193.8 ± 655.3 | 161.3 ± 709.3 | 0.856 |
| TFC (1/kΩ) | −1.9 ± 1.8 | − 2 ± 1.9 | −1.8 ± 1.8 | 0.632 |
| OscSBP (mmHg) | −3.6 ± 9.8 | −5.6 ± 10.9 | −2.5 ± 9 | 0.249 |
| OscDBP (mmHg) | −0.7 ± 6.9 | −2.6 ± 7.5 | 0.3 ± 6.4 | 0.432 |
Abbreviations: RRI R-R interval, HR: heart rate, contSBP continuous systolic blood pressure, contDBP continuous diastolic blood pressure, contmBP continuous mean blood pressure, SV stroke volume, CO cardiac output, TPR total peripheral resistance, SI stroke index, CI cardiax index, TPRI total peripheral resistance index, TFC thoracic fluid content, OscSBP oscillometric systolic blood pressure, OscDBP oscillometric diastolic blood pressure