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The relationship of Blood lactate levels and Ratio between the Veno-arterial Carbon Dioxide Difference and the Arterial‐venous Oxygen Difference in patients undergoing elective cardiac surgery: Prospective cohort study

The relationship of Blood lactate levels and Ratio between the Veno-arterial Carbon Dioxide Difference and the Arterial-venous Oxygen Difference in patients undergoing elective cardiac surgery: prospective cohort study

Status
Active, not recruiting
Phases
Unknown
Study type
Observational
Source
TCTR
Registry ID
TCTR20200417002
Enrollment
Unknown
Registered
2020-04-17
Start date
2019-02-05
Completion date
Unknown
Last updated
2026-08-03

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

Conditions

Cardiac disease Veno&#45

Interventions

Elective cardiac surgery under cardiopulmonary bypass assistance
Diagnostic
Elective cardiac surgery

Sponsors

Maharaj nakorn chiang mai hospital
Lead Sponsor

Eligibility

Sex/Gender
All
Age
18 Years to No maximum

Inclusion criteria

Inclusion criteria: -Elective cardiac surgery under cardiopulmonary bypass assistance -Ages >_ 18 years -American Society of Anesthesiologists (ASA) physical status II-III -Required central venous pressure catheter or pulmonary artery catheter insertion -Consent to participate in research

Exclusion criteria

Exclusion criteria: &#45;Co&#45;existing pulmonary disease: Chronic obstructive pulmonary disease with Forced Expiratory Volume in 1 second (FEV1) < 50% &#45;Co&#45;existing liver disease &#45;End&#45;stage renal disease &#45;Patients with sepsis &#45;Pregnant woman &#45;Thoracic aortic surgery

Design outcomes

Primary

MeasureTime frame
Veno&#45;arterial CO2 difference and Arterial‐venous O2 difference ratio and blood lactate level After induction of anesthesia&#44; Immediately after ICU admission&#44; 6 hr after ICU admission Blood sampling—

Secondary

MeasureTime frame
Veno&#45;arterial CO2 difference and Arterial‐venous O2 difference ratio&#44; perfusion index After induction of anesthesia&#44; Immediately after ICU admission&#44; 6 hr after ICU admission Blood sampling ,Veno&#45;arterial CO2 difference and Arterial‐venous O2 difference ratio&#44;central venous oxygen satura After induction of anesthesia&#44; Immediately after ICU admission&#44; 6 hr after ICU admission Blood sampling ,Perioperative complications After induction of anesthesia&#44; Immediately after ICU admission&#44; 6 hr after ICU admission Blood sampling ,Mortality in 1 month After induction of anesthesia&#44; Immediately after ICU admission&#44; 6 hr after ICU admission Blood sampling—

Contacts

Public ContactPanuwat Lapisatepun

Chiangmai University

auipl148@icloud.com0824145592

Outcome results

None listed

Source: TCTR (via WHO ICTRP) · Data processed: Aug 9, 2026