Skip to main content

Table 3 Effects of volume expansion on arterial tone parameters on responder patients (mean arterial pressure increase ≥15%) and nonresponder patients (n = 25)a

From: Dynamic arterial elastance to predict arterial pressure response to volume loading in preload-dependent patients

Parameter

Preinfusion

Postinfusion

Dynamic arterial elastance

  

   Responders

1.34 ± 0.45c

0.85 ± 0.21b,e

   Nonresponders

0.75 ± 0.12

0.64 ± 0.21

SVR, dyn s cm-5

  

   Responders

889.66 ± 392.03

881.19 ± 344.16

   Nonresponders

870.95 ± 379.38

774.42 ± 377.17d

PP/SV, mmHg/mL

  

   Responders

0.79 ± 0.36

0.90 ± 0.37b,d

   Nonresponders

0.73 ± 0.19

0.66 ± 0.16

  1. aData are expressed as means ± standard deviations; SVR, systemic vascular resistance; PP, pulse pressure (systolic minus diastolic pressure); SV, stroke volume; bP < 0.05, cP < 0.0001 responders (mean arterial pressure increase ≥15% after volume expansion) vs. nonresponders; dP < 0.05, eP < 0.0001 postinfusion vs. preinfusion.
Back to article page

Critical Care

ISSN: 1364-8535