Table 2.
Cardiovascular variables in pressure responders and pressure nonresponders, expressed as median (25th to 75th percentiles) or mean (SD)
| Before | After | |
|---|---|---|
| HR (beats/min) | ||
| Responders | 84 (15)a | 83 (15)a |
| Nonresponders | 95 (17) | 95 (18) |
| SAP (mm Hg) | ||
| Responders | 119 (12) | 94 (11)a, b |
| Nonresponders | 119 (13) | 116 (14)b |
| DAP (mm Hg) | ||
| Responders | 56 (4) | 45 (5)a, b |
| Nonresponders | 59 (13) | 57 (13)b |
| PP (mm Hg) | ||
| Responders | 63 (10) | 50 (8)a, b |
| Nonresponders | 60 (12) | 58 (11) |
| MAP (mm Hg) | ||
| Responders | 77 (6) | 61 (6)a, b |
| Nonresponders | 79 (12) | 77 (12)b |
| CVP (mm Hg) | ||
| Responders | 11 (5) | 11 (5) |
| Nonresponders | 11 (5) | 11 (5) |
| ΔrespSV (%) | ||
| Responders | 8 (6–15) | 10 (8–15) |
| Nonresponders | 10 (7–13) | 10 (7–15) |
| ΔrespPP (%) | ||
| Responders | 7 (4–11) | 9 (5–12) |
| Nonresponders | 10 (8–14) | 10 (5–15) |
| Ea dyn | ||
| Responders | 0.75 (0.69-0.85)a | 0.79 (0.67-1.04) |
| Nonresponders | 1 (0.83-1.22) | 0.9 (0.74-1.07)b |
| Arterial compliance (ml/mm Hg) | ||
| Responders | 1.2 (0.93-1.5) | 1.5 (1.2-1.8)a, b |
| Nonresponders | 0.98 (0.86-1.3) | 1.1 (0.9-1.3) |
| SV (ml) | ||
| Responders | 70 (58–101) | 67 (57–95) |
| Nonresponders | 60 (53–75) | 63 (53–77) |
| CO (L/min) | ||
| Responders | 6.2 (1.3) | 6 (1.4) |
| Nonresponders | 6.1 (1.8) | 6.05 (1.8) |
| GEDV (ml) | ||
| Responders | 1,367 (361) | 1,313 (334) |
| Nonresponders | 1,371 (329) | 1,375 (350) |
| SVR (Dyn/s/cm −3 ) | ||
| Responders | 891 (222) | 703 (194)a, b |
| Nonresponders | 963 (377) | 942 (359) |
| CFI (L/min) | ||
| Responders | 4.7 (1.1) | 4.7 (1.1) |
| Nonresponders | 4.6 (1.4) | 4.5 (1.3) |
CO, cardiac output; CFI, cardiac function index; ΔrespSV, respiratory Stroke Volume variation; ΔrespPP, respiratory pulse pressure variation; DAP, diastolic arterial pressure; Ea: arterial elastance; Ea dyn: dynamic arterial elastance; GEDV, global end-diastolic volume; HR, heart rate; MAP, mean arterial pressure; PLR, passive leg raising; PP, pulse pressure; SAP, systolic arterial pressure; SV, stroke volume. a P < 0.05 between groups, b P < 0.05 within groups.