Table 3. Haemodynamic variables: Differences between fallers and non-fallers (mean ± standard deviation).
Supine | HUT60 | ΔSupine-HUT60 | ||||
---|---|---|---|---|---|---|
Fallers | Non-fallers | Fallers | Non-fallers | Fallers | Non-fallers | |
RRI (ms) | 869.2±134.1 | 926.6±187.5 | 809.4±168 | 868.4±192.8 | -57.9±70.2 | -58.1±64.5 |
HR (bpm) | 70.9±10.7 | 67.7±13.2 | 77.7±15.2 | 72.9±15.2 | 6.6±8.3 | 5.5±5.8 |
contSBP (mmHg) | 125.4±23.5 | 122±21.6 | 126.6±21.8 | 125.1±20.3 | 3.5±15.6 | 3±8 |
contDBP (mmHg) | 76.5±14 | 79.4±16.4 | 82±15.2 | 85.4±16.3 | 6.1±10.2 | 6±7.6 |
contmBP (mmHg) | 97.3±10.3 | 97±18.3 | 100.8±17.7 | 101.9±17.9 | 4.7±12.1 | 4.9±7.3 |
SV (ml) | 63.6±14 | 69.1±16.1 | 59.1±11.8 | 62.9±15.5 | -4.1±12.9 | -6.2±16.3 |
CO (L/min) | 4.5±1.1 | 4.7±1.5 | 4.5±0.9 | 4.5±1.2 | 0.03±0.9 | -0.2±1.2 |
TPR (dyne*s/cm5) | 1731.8±432.4 | 1763.9±610.8 | 1797.7±451.5 | 1919.5±583.1 | 77.9±347.2 | 155.5±416.4 |
SI (ml/m2) | 34.8±8.3 | 37±10.7 | 32.4±7.4 | 33.4±8.5 | -2.2±7 | -3.7±9.1 |
CI (L/min*m2) | 2.5±0.7 | 2.5±1 | 2.5±0.5 | 2.4±0.7 | 0.01±0.5 | -0.1±0.6 |
TPRI(dyne*s*m2/cm5) | 3168.5±789.6 | 3381.1±1340.9 | 3292.1±806.8 | 3645.1±1259.6 | 146.7±624 | 264.1±773.5 |
TFC (1/kOhm) | 32.3±10.6 | 34.4±11.1 | 30.3±10.1 | 32.4±11.1 | -1.6±1.7 | -2±1.8 |
OscSBP (mmHg) | 131.3±22.6 | 124.1±19.8 | 122.2±18.3 | 123.9±13.1 | -6.4±10.9* | -0.4±7.7 |
OscDBP (mmHg) | 81.9±12.9 | 79.9±15.8 | 79.1±13.2 | 81.6±17.4 | -2.7±7.3* | 1.8±6 |
Abbreviations: HUT60: head-up tilt at 60°; 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; ΔSupine-HUT60 represents the difference between the variables averaged over 5 minutes of HUT-60° and the variables averaged over 5 minutes of supine recording
* indicates a statistical significant difference between groups (p < .05).