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Related Experiment Videos

Invasive measures of left ventricular preload.

Xavier Monnet1, Jean-Louis Teboul

  • 1Medical Intensive Care Unit, Bicêtre University Hospital, Paris-11 University, Le Kremlin-Bicêtre, France.

Current Opinion in Critical Care
|May 5, 2006
PubMed
Summary

Functional assessment of cardiac preload responsiveness is superior to static measures for predicting fluid therapy response. Dynamic indices like respiratory variation in arterial pulse pressure offer better hemodynamic management in critical care.

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Area of Science:

  • Critical Care Medicine
  • Hemodynamics
  • Cardiology

Background:

  • Cardiac preload is crucial in hemodynamic failure and therapy.
  • Accurate assessment of preload is vital for patient management.

Purpose of the Study:

  • To review invasive indicators of cardiac preload.
  • To summarize invasive predictors of preload responsiveness.

Main Methods:

  • Review of invasive hemodynamic monitoring techniques.
  • Analysis of static and dynamic preload assessment methods.

Main Results:

  • Pulmonary artery occlusion pressure remains a static gold standard.
  • Transpulmonary dilution methods reliably monitor cardiac volumes.

Related Experiment Videos

  • Dynamic indices, such as respiratory variation in arterial pulse pressure, outperform static markers in predicting fluid responsiveness.
  • Alternative dynamic methods include passive leg raising and respiratory systolic variation test.

    • Conclusions:

    • Functional evaluation of preload responsiveness is superior to static preload markers for predicting hemodynamic response to fluid therapy.