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Table 1 Hemodynamic variables at baseline, after fluid loading and after Intra-abdominal Hypertension. Presented as median and 25th and 75th percentile range

From: Influence of tidal volume on pulse pressure variation and stroke volume variation during experimental intra-abdominal hypertension

 

Baseline

FB1

FB2

IAH

FB3

IAP

4 (3,4)

  

22 (19,24)a

 

CI

4.30 (3.91,5.23)

4.66 (4.23,5.61)a

5.18 (4.31,5.86)a

4.28 (3.88,4.52)b

4.85 (4.04,5.16)b

SVI

32.0 (30.0,33.8)

39.5 (37.0,42.5)a

40.5 (36.0,42.5)a

37.5 (32.8,44.5)a

40.5 (39.3,47.0)a

HR

139 (120,180)

129 (118,155)a

131 (125,150)a

125 (118,129)a,b

128 (113,136)a,b

MAP

69 (61,72)

72 (68,82)a

73 (70,82)a

78 (75,95)a

90 (77,98)a,b

CVP

6 (6,7)

10 (8,11)a

11 (10,12)a

11 (10,12)a

16 (14,17)a,b,c

SVRI

1152 (1007,1399)

1041 (888,1276)

935 (795,1234)

1152 (1083,1408)b

1216 (953,1479)b

  1. (FB fluid bolus, IAH intra-abdominal hypertension, IAP intra-abdominal pressure, mmHg, CI cardiac index, l/min/m2, SVI stroke volume index, mL/m2, HR heart rate, bpm, MAP mean arterial pressure, mmHg, CVP central venous pressure, mmHg, SVRI systemic vascular resistance index, dynes-sec/cm−5/m2)
  2. aP <0.05 Respect to baseline
  3. bP <0.05 Respect to fluid bolus 2 (FB2) (PRE-IAH)
  4. cP <0.05 Respect to post-IAH