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Related Experiment Video

Updated: Jan 22, 2026

Invasive Hemodynamic Monitoring of Aortic and Pulmonary Artery Hemodynamics in a Large Animal Model of ARDS
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New Developments in Hemodynamic Monitoring.

Thomas W L Scheeren1, Michael A E Ramsay2

  • 1Department of Anesthesiology, University of Groningen, University Medical Center Groningen, Groningen, Netherlands.

Journal of Cardiothoracic and Vascular Anesthesia
|July 8, 2019
PubMed
Summary
This summary is machine-generated.

Hemodynamic monitoring is crucial for cardiovascular patients, evolving towards dynamic and less-invasive methods. While thermodilution is gold standard, newer techniques offer alternatives with limitations in accuracy.

Keywords:
cardiac outputcardiovascular dynamicsfluid responsivenesshemodynamic monitoringmeasurement techniquespredictive analyticspreload

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Area of Science:

  • Cardiovascular Anesthesia
  • Critical Care Medicine
  • Hemodynamic Monitoring

Background:

  • Hemodynamic monitoring is vital for perioperative cardiovascular patient management.
  • It aids in detecting alterations, diagnosing causes, and optimizing oxygen delivery.
  • It evaluates therapeutic interventions like fluid expansion and vasoactive drugs.

Purpose of the Study:

  • To review current hemodynamic monitoring techniques for cardiovascular patients.
  • To discuss the strengths and limitations of various monitoring methods.
  • To highlight recent advancements towards dynamic and less-invasive monitoring.

Main Methods:

  • Review of established and emerging hemodynamic monitoring techniques.
  • Discussion of static vs. dynamic variables for assessing preload and fluid responsiveness.
  • Comparison of invasive (pulmonary artery catheter, transpulmonary thermodilution) and less-invasive/noninvasive methods (pulse contour analysis, esophageal Doppler, volume clamp).

Main Results:

  • Pulmonary artery catheter use has declined despite thermodilution being the gold standard for cardiac output (CO).
  • Transpulmonary thermodilution offers CO measurement plus variables like extravascular lung water.
  • Less-invasive methods (e.g., pulse contour analysis, esophageal Doppler, volume clamp) estimate CO with ~40% error compared to thermodilution, indicating non-interchangeability.

Conclusions:

  • Hemodynamic monitoring is essential, with a trend towards dynamic and less-invasive techniques.
  • While less-invasive methods are advancing, their accuracy limitations necessitate careful interpretation.
  • Choosing the appropriate monitoring technique depends on clinical context and required precision.