Correlation Between Peripheral and Central Venous Blood Partial Pressure of Carbon Dioxide in Critical Ill Patients

Status

Completed

Phases

Unknown

Study type

Observational

Source

ClinicalTrials.gov

Registry ID

NCT03269448

Enrollment

Registered

2017-08-31

Start date

2018-01-08

Completion date

2018-03-10

Last updated

2018-09-06

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

Conditions

Partial Pressure of Carbon Dioxide

Keywords

partial pressure of carbon dioxide, carbon dioxide, peripheral venous blood, central venous blood, venous blood gas, blood gas analysis

Brief summary

Observational study to analyze correlation between partial pressure of carbon dioxide from blood obtained from peripheral and central veins

Interventions

DIAGNOSTIC_TESTPeripheral venous blood sampling

Blood collected from peripheral venous (extremities) and central venous (central catheter) for blood gas analyses

Study design

Observational model

OTHER

Time perspective

CROSS_SECTIONAL

Eligibility

Sex/Gender

ALL

Age

18 Years to 100 Years

Healthy volunteers

Inclusion criteria

* All patients admitted to institutional ICU with central venous catheter in place * Venous blood gas analysis ordered

Exclusion criteria

* Central venous catheter malposition * Difficult peripheral venous access

Design outcomes

Primary

Measure	Time frame	Description
Difference between partial pressure of carbon dioxide	30 minutes	Difference between partial pressure of carbon dioxide taken from peripheral and central veins

Countries

Thailand

Outcome results

None listed

Source: ClinicalTrials.gov · Data processed: Feb 4, 2026