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Table 2 Dynamic indices data during normovolemia (BL), normovolemia with phenylephrine infusion (BL + PHE), hypovolemia (BW) and hypovolemia with phenylephrine infusion (BW + PHE)

From: The increase of vasomotor tone avoids the ability of the dynamic preload indicators to estimate fluid responsiveness

 

BL

BL + PHE

BW

BW + PHE

SVV (%)

12 ± 6

10 ± 4

32 ± 9*§

11 ± 5‡

PPV (%)

13 ± 6

12 ± 5

28 ± 10*§

15 ± 7‡

SPV (%)

10 ± 4

7 ± 3

19 ± 5*§

12 ± 5‡

PPVapnea (%)

12 ± 6

11 ± 4

21 ± 7*§

14 ± 6‡

  1. *p < 0.05 vs BL, §p < 0.05 vs BL + PHE, ‡p < 0.05 vs BW.
  2. PPV: Pulse pressure variation; PPVapnea: PPV using PP during apnea as denominator; SVV: Stroke volume variation; SPV: Systolic pressure variation.
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BMC Anesthesiology

ISSN: 1471-2253

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