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Table 2 Effects of passive leg raising maneuver and volume expansion on hemodynamics and partial end-tidal CO2

From: Non-invasive assessment of fluid responsiveness by changes in partial end-tidal CO2 pressure during a passive leg-raising maneuver

  Baseline PLR Preinfusion After VE
CO, L/min     
Responders 5.40 ± 2.25 6.54 ± 2.53b 5.33 ± 2.43 6.81 ± 2.81c
Non-responders 6.51 ± 2.47 7.03 ± 2.73b 6.48 ± 2.52 6.85 ± 2.89c
SV, mL     
Responders 53.5 ± 26.3a 63.8 ± 26.5b 52.5 ± 26.9a 68.1 ± 27.5c
Non-responders 76.4 ± 31.3 82.7 ± 33.5b 76.3 ± 30.9 81.5 ± 33.1c
HR, b.p.m.     
Responders 106 ± 25a 106 ± 24a 106 ± 26a 103 ± 24a
Non-responders 88 ± 20 87 ± 18 87 ± 20 86 ± 19
FTc, ms     
Responders 292 ± 51a 323 ± 50b 291 ± 52a 327 ± 54c
Non-responders 343 ± 61 360 ± 74b 342 ± 62 355 ± 83
Acc, m/s 2     
Responders 9.6 ± 4.5 9.7 ± 4.9 9.3 ± 4.6 10.4 ± 5.4c
Non-responders 10.3 ± 3.9 10.5 ± 4.1 10.3 ± 3.9 10.7 ± 4.7
SAP, mmHg     
Responders 107 ± 21 120 ± 21b 108 ± 21 122 ± 25c
Non-responders 107 ± 14 111 ± 16b 105 ± 15 111 ± 18c
DAP, mmHg     
Responders 61 ± 11 65 ± 12b 61 ± 12 64 ± 12c
Non-responders 63 ± 11 66 ± 10b 63 ± 10 65 ± 10c
MAP, mmHg     
Responders 76 ± 14 83 ± 13b 75 ± 14 83 ± 15c
Non-responders 78 ± 12 82 ± 12b 77 ± 12 81 ± 13c
PP, mmHg     
Responders 45.8 ± 15.7 55.3 ± 18.3b 46.9 ± 13.6 57.7 ± 19.7a, c
Non-responders 42.1 ± 10.1 45.2 ± 11.9b 42.1 ± 11.3 45.9 ± 12.9c
CPO, W     
Responders 0.92 ± 0.44 1.22 ± 0.49b 0.91 ± 0.47 1.25 ± 0.51c
Non-responders 1.10 ± 0.38 1.26 ± 0.46b 1.11 ± 0.43 1.23 ± 0.53c
TSVR, dyn·s·cm -5     
Responders 1264 ± 442 1143 ± 368b 1299 ± 481 1130 ± 451c
Non-responders 1124 ± 535 1091 ± 510 1119 ± 504 1133 ± 538
PETCO 2 , mmHg     
Responders 35 (30 to 37) 38 (33 to 40)b 35 (29 to 37) 36 (30 to 38)c
Non-responders 34 (30 to 37) 35 (30 to 38)b 34 (29 to 37) 34 (28 to 37)
  1. Acc, mean aortic blood flow acceleration; CO, cardiac output; CPO, cardiac power output (mean arterial pressure x cardiac output/451);, DAP, diastolic arterial pressure; HR, heart rate; FTc, aortic blood flow corrected time; MAP, mean arterial pressure; PETCO2, partial end-tidal CO2 pressure; PP, arterial pulse pressure (systolic minus diastolic pressure); SAP, systolic arterial pressure; SV, stroke volume; TSVR, total systemic vascular resistance
  2. aP < 0.05 versus non-responders; bP < 0.05 versus baseline; cP < 0.05 versus preinfusion. Data are expressed as mean ± SD, except for PETCO2 as median (25th to 75th percentiles)
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