Table 2.
Difference (Δ) in parameters between a pre- and post-hypotensive episode with an SysBP drop of ≥20 mmHg/h or a control episode without a SysBP drop of ≥20 mmHg/h
| Parameters | Control (SysBP drop <20 mmHg/h) | Hypotensive (SysBP drop ≥20 mmHg/h) | P-value |
|---|---|---|---|
| ΔSysBP (mmHg) | −5.8 ± 4.0 | −32.6 ± 11.4 | <0.001 |
| ΔRe (Ω) | 13.4 ± 15.8 | 50.9 ± 41.3 | 0.008 |
| ΔRi (Ω) | 29.5 ± 37.3 | 51.2 ± 83.1 | 0.418 |
| ΔECF (L) | −0.3 ± 0.3 | −0.8 ± 0.7 | 0.020 |
| ΔICF (L) | −0.2 ± 0.3 | 0.2 ± 0.2 | 0.001 |
| ΔNa+ (mmol/L) | 0.5 ± 1.15 | 0.3 ± 0.6 | 0.514 |
| ΔK+ (mmol/L) | −0.2 ± 0.3 | −0.7 ± 0.6 | 0.013 |
| ΔCa2+ (mmol/L) | 0.0 ± 0.0 | 0.0 ± 0.0 | 0.503 |
| ΔHct (%) | 0.1 ± 1.1 | 2.0 ± 1.4 | 0.001 |
A total of 12 hypotensive episodes and another 12 control episodes were selected from patients of the unstable group and used for the comparison. All values are expressed as mean ± SD. Bold values are statistically significant (P<0.05).