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Central venous blood gas and cardiac output

Can changes in central venous oxygen saturation and central venous - arterial partial pressure of carbon dioxide difference predict changes in cardiac output in septic patients?

Status
Active, not recruiting
Phases
Unknown
Study type
Observational
Source
ISRCTN
Registry ID
ISRCTN60931121
Enrollment
28
Registered
2012-01-24
Start date
2010-10-01
Completion date
Unknown
Last updated
2018-03-26

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Sepsis Infections and Infestations Sepsis

Interventions

1. Most patients participating in the study will be mentally incapacitated due to the influence of strong sedating drugs and underlying critical illness 2. Before the incapacitated patient is enrolled

Sponsors

James Cook University Hospital (UK)
Lead Sponsor

Eligibility

Sex/Gender
All

Inclusion criteria

Inclusion criteria: 1. 28 Adult patients (>18 years old) 2. Have severe sepsis or septic shock, as defined by the International Sepsis Definitions Conference (Levy MM et al, 2003) 3. Are equipped with both arterial and central line 4. In whom CO monitoring and an intervention to increase stroke volume (SV) and hence CO (e.g. fluid bolus, inotropes) is deemed necessary

Exclusion criteria

Exclusion criteria: 1. No consent: objection from somebody close who is willing to be consulted about the appropriateness of the patient being enrolled in the study in line with the Mental Capacity Act objection through registered lasting power of attorney for medical affairs advance ecision precluding research retrospective withdrawal of consent 2. Pregnancy 3. Age below 18 years

Design outcomes

Primary

MeasureTime frame
The correlation between changes of cardiac output with changes in central venous saturation and central venous arterial partial pressure of carbon dioxide difference, respectively

Secondary

MeasureTime frame
Sensitivity and specificity of pulse pressure and stroke volume variation to predict an increase in cardiac output by at least 10%

Countries

United Kingdom

Outcome results

None listed

Source: ISRCTN (via WHO ICTRP) · Data processed: Feb 4, 2026