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Systolic pressure variation and pulse pressure variation during modifications of arterial pressure

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Abstract

Objective

This study was performed to investigate the effect of vasopressor therapy on systolic pressure variation (SPV) and pulse pressure variation (PPV) compared to experimentally measured left ventricular stroke volume variation (SVV).

Design and setting

Prospective study in a university laboratory.

Subjects

Twelve anesthetized and mechanically ventilated pigs.

Interventions

Increase in mean arterial pressure (by 100%) using phenylephrine and decrease (by 38%) using adenosine.

Measurements and results

SPV and PPV were calculated and compared to SVV derived from aortic blood flow measurements. SPV was significantly affected by changes in arterial pressure [4.6% (1.5) vs. 6.3% (2.1), p < 0.05, increased vs. decreased arterial pressure], whereas PPV did not change during modifications of arterial pressure. During baseline conditions and decreased afterload, correlation with SVV was good both for SPV (r = 0.892 and r = 0.859, respectively) and for PPV (r = 0.870 and r = 0.871, respectively) (all p < 0.001). Correlation with SVV was only moderate during increased arterial pressure (r = 0.683 for SPV and r = 0.732 for PPV, p < 0.05).

Conclusion

For guiding fluid therapy in patients under vasopressor support, PPV seems superior to SPV.

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Author information

Authors and Affiliations

  1. Department of Anesthesiology, University of Hamburg, Hamburg-Eppendorf University Hospital, 20246, Hamburg, Germany

    Jens C. Kubitz, Alwin E. Goetz & Daniel A. Reuter

  2. Institute for Surgical Research, University of Munich, Munich, Germany

    Stefanie Forkl & Nils Kronas

  3. Department of Anesthesiology, University of Munich, Großhadern University Hospital, Munich, Germany

    Stefanie Forkl, Thorsten Annecke & Nils Kronas

Authors
  1. Jens C. Kubitz
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  2. Stefanie Forkl
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  3. Thorsten Annecke
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  4. Nils Kronas
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  5. Alwin E. Goetz
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  6. Daniel A. Reuter
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Corresponding author

Correspondence to Jens C. Kubitz.

Additional information

Conflicts of interest: AEG and DAR are members of the medical advisory board of Pulsion Medical Systems.

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Kubitz, J.C., Forkl, S., Annecke, T. et al. Systolic pressure variation and pulse pressure variation during modifications of arterial pressure. Intensive Care Med 34, 1520–1524 (2008). https://doi.org/10.1007/s00134-008-1114-8

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  • DOI: https://doi.org/10.1007/s00134-008-1114-8

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