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Updated: Jun 24, 2026

09:32
Continuous Venous-Arterial Doppler Ultrasound During a Preload Challenge
Published on: January 20, 2023
[Arterial pressure curve and fluid status]
1Klinik für Anästhesiologie, Universitätsmedizin der Johannes Gutenberg-Universität, Langenbeckstr. 1, 55131 Mainz, Deutschland. gunther.pestel@gmx.net
Der Anaesthesist
|March 28, 2009
Summary
Anesthesiologists can optimize patient fluid management by using the difference in pulse pressure (dPP) to predict fluid responsiveness. A dPP cutoff of 13% helps determine if fluid boluses will improve hemodynamics, avoiding fluid overload.
Area of Science:
- Anesthesiology
- Critical Care Medicine
- Physiology
Context:
- Optimizing fluid administration is crucial for patient outcomes.
- Anesthesiologists face challenges in determining appropriate fluid resuscitation, balancing benefits against risks of fluid overload.
Purpose:
- To review the physiological basis of fluid management strategies.
- To evaluate the efficacy of various monitoring techniques for predicting fluid responsiveness.
- To detail the use of the difference in pulse pressure (dPP) as a predictor of fluid responsiveness.
Summary:
- The article explores liberal versus restrictive fluid management concepts.
- It examines how different monitors predict fluid responsiveness, focusing on the difference in pulse pressure (dPP).
- A dPP cutoff of 13% is presented as a reliable indicator for fluid responsiveness in mechanically ventilated patients, with discussion on assessment techniques and confounding factors.
Impact:
- Provides anesthesiologists with evidence-based guidance on fluid management decisions.
- Enhances patient safety by minimizing risks associated with inappropriate fluid administration.
- Contributes to improved hemodynamic management and patient outcomes in surgical and critical care settings.
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