| Before volume expansion | After volume expansion | P -value b |
---|
Eadyn | | | |
Responders | 1.04 ± 0.28c | 0.62 ± 0.27d | <0.001 |
Non-responders | 0.60 ± 0.14 | 0.59 ± 0.23 | |
Ea, mmHg/ml | | | |
Responders | 1.89 ± 0.77 | 1.89 ± 0.68 | <0.001 |
Non-responders | 1.82 ± 0.76 | 1.58 ± 0.62d | |
C, ml/mmHg | | | |
Responders | 1.11 ± 0.36 | 0.99 ± 0.34d | <0.001 |
Non-responders | 1.17 ± 0.57 | 1.27 ± 0.60d | |
SVR, dyn∙s∙cm−5 | | | |
Responders | 1282 ± 572 | 1293 ± 548 | <0.001 |
Non-responders | 1192 ± 545 | 1050 ± 469d | |
- aResponders were defined as mean arterial pressure increase ≥10% after fluid administration. Data are expressed as mean ± SD. bP-values refer to group (responders vs. non-responders) and time (preinfusion vs. postinfusion) interaction using analysis of variance for repeated measurements. cP <0.0001 vs. non-responders. dP <0.0001 vs. before volume expansion. C, Net arterial compliance; Ea, Effective arterial elastance; Eadyn, Dynamic arterial elastance; SVR, Systemic vascular resistance.