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[Comparison between two methods for hemodynamic measurement: thermodilution and oesophageal doppler]
Roberto Manara Victorio Ferreira1, José Luiz Gomes do Amaral, Jorge Luís dos Santos Valiatti
1Centro de Ensino e Treinamento, Unifesp. rmanara@yahoo.com
Revista Da Associacao Medica Brasileira (1992)
|September 8, 2007
Summary
Oesophageal Doppler (OD) offers accurate hemodynamic monitoring, comparable to the gold standard thermodilution (TD) method. This less invasive technique easily measures cardiac output (CO) in diverse clinical settings.
Area of Science:
- Cardiovascular Physiology
- Medical Device Technology
- Critical Care Medicine
Context:
- Hemodynamic monitoring is crucial for managing critically ill patients.
- Thermodilution (TD) is the established gold standard but is invasive.
- Oesophageal Doppler (OD) presents a less invasive alternative for hemodynamic assessment.
Purpose:
- To evaluate the accuracy of Oesophageal Doppler (OD) in measuring cardiac output (CO).
- To compare OD measurements against the gold standard thermodilution (TD) method.
- To assess the feasibility and ease of use of OD in clinical practice.
Summary:
- Simultaneous measurements of cardiac output (CO) were performed using both OD and TD in 10 patients across various clinical conditions.
- High correlation coefficients (0.8 and 0.99) were observed between OD and TD, indicating no statistically significant difference.
- OD measurements were easily obtained, demonstrating comparable accuracy to TD.
Impact:
- OD provides a reliable and less invasive method for hemodynamic monitoring.
- This finding supports the wider adoption of OD in clinical settings, potentially improving patient care.
- OD facilitates accurate cardiac output assessment, aiding in timely clinical decisions.
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