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January 1, 2014Journal of Anesthesia & Clinical Research

Agreement between Central and Mixed Venous Oxygen Saturation Following Cardiac Surgery

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Why the study?

Does central venous oxygen saturation (ScvO2) accurately reflect mixed venous oxygen saturation (SvO2) in ICU patients following cardiac surgery?

Population

60 ICU patients in the early postoperative period following cardiac surgery. Exclusion criteria: uncorrected…

Comparison

Measurement of central venous oxygen saturation… vs Simultaneous measurement of mixed venous oxygen…

Design

Cohort

Follow-up

early postoperative period

Authors

MBMakhlouf Belghaith

Discussion

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Overview

ScvO2 should not substitute for SvO2 in post-cardiac surgery ICU monitoring; leaves open need for outcome trials on venous oximetry strategies.

Structured PICO

Does central venous oxygen saturation (ScvO2) accurately reflect mixed venous oxygen saturation (SvO2) in ICU patients following cardiac surgery?

P
Population
60 ICU patients in the early postoperative period following cardiac surgery (56 completed the study). Exclusion criteria: uncorrected valvular incompetence, intracardiac shunting, and frequent arrhythmia interfering with adequate cardiac output measurement.
I
Intervention
Measurement of central venous oxygen saturation (ScvO2) from the superior vena cava via central venous catheter.
C
Comparator
Simultaneous measurement of mixed venous oxygen saturation (SvO2) from the pulmonary artery via the distal lumen of a pulmonary artery catheter.
O
Outcome
Agreement and correlation between ScvO2 and SvO2.surrogate

Central venous oxygen saturation (ScvO2) demonstrates poor agreement with mixed venous oxygen saturation (SvO2) in post-cardiac surgery patients, indicating they cannot be used interchangeably.

Cite This Study

Makhlouf Belghaith (2014) studied this question.

synapsesocial.com/papers/6a201ec98fbc0747110dd861https://doi.org/10.4172/2155-6148.1000386
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