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September 1, 1991AnesthesiologyOpen Access

Measurement of Pulmonary Blood Flow with Transesophageal Two-dimensional and Doppler Echocardiography

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Why the study?

Does transesophageal Doppler-derived cardiac output measurement agree with thermodilution cardiac output measurement in cardiac surgical patients?

Population

33 cardiac surgical patients

Comparison

Transesophageal Doppler-derived cardiac output… vs Thermodilution cardiac output (TdCO) measurement

Design

Cross-sectional, Independent observer for TdCO determinations

Authors

JSJoseph S. SavinoCTChristopher A. TroianosSAStanley J. Aukburg

Discussion

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Overview

Transesophageal Doppler echocardiography can measure cardiac output with reasonable agreement to thermodilution, but is limited by anatomical imaging constraints in nearly a quarter of patients.

Structured PICO

Does transesophageal Doppler-derived cardiac output measurement agree with thermodilution cardiac output measurement in cardiac surgical patients?

P
Population
33 cardiac surgical patients
I
Intervention
Transesophageal Doppler-derived cardiac output (DdCO) measurement using two-dimensional and pulsed-wave Doppler echocardiography
C
Comparator
Thermodilution cardiac output (TdCO) measurement
O
Outcome
Precision and agreement between DdCO and TdCOsurrogate

Transesophageal Doppler echocardiography can measure cardiac output with reasonable agreement to thermodilution, but is limited by anatomical imaging constraints in nearly a quarter of patients.

Limitations

  • Anatomical relationship among the esophagus, left main stem bronchus, and pulmonary artery did not allow adequate imaging in 8 (24%) of the patients

Cite This Study

Savino et al. (1991) studied this question.

synapsesocial.com/papers/6a70b1aff44fa9f079de624dhttps://doi.org/10.1097/00000542-199109000-00011
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