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Functional hemodynamic monitoring
Michael R Pinsky1, Didier Payen
1Department of Critical Care Medicine, University of Pittsburgh Medical Center, Pittsburgh, Pennsylvania, USA. pinskymr@ccm.upmc.edu
Critical Care (London, England)
|December 17, 2005
Summary
Functional hemodynamic monitoring guides critical care decisions. Assessing preload responsiveness with newer methods can improve patient outcomes and potentially lower costs.
Area of Science:
- Critical Care Medicine
- Cardiovascular Physiology
Background:
- Hemodynamic monitoring is essential in intensive care for diagnosing cardiovascular insufficiency.
- Monitoring invasiveness and context (e.g., ICU, surgery) vary based on patient risk and treatment needs.
- Interpreting hemodynamic values requires consideration of metabolic demand and clinical context.
Purpose of the Study:
- To explore the role of functional hemodynamic monitoring in guiding therapeutic interventions.
- To evaluate newer methods for assessing preload responsiveness.
- To determine if functional measures can improve outcomes in critical illness.
Main Methods:
- Utilizing patterns of hemodynamic variables to identify etiologies of cardiovascular insufficiency.
- Employing functional hemodynamic monitoring, including fluid challenges, to assess preload responsiveness.
- Investigating newer techniques like central venous pressure changes during inspiration and arterial pressure variations during ventilation or passive leg raising.
Main Results:
- Functional hemodynamic monitoring offers therapeutic applications independent of diagnosis.
- Newer methods for assessing preload responsiveness show promise.
- Protocolized care incorporating validated hemodynamic measures can improve outcomes.
Conclusions:
- Functional hemodynamic monitoring, particularly assessment of preload responsiveness, is crucial for effective critical care.
- Emerging less-invasive hemodynamic measures, when validated, can be integrated into cost-effective, protocolized care.
- Improved hemodynamic assessment can lead to better patient outcomes in critical illness.