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NCT Number: NCT07385170

Perioperative Continuous Glucose Monitoring Accuracy in Cardiac Surgery

The goal of this clinical trial is to evaluate accuracy of continuous glucose monitoring device called 'Dexcom G7' in patients undergoing cardiac surgery.

Recruiting

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Key information

Conditions

Cardiac Surgery

Age range

19 year and older

Sex eligibility

All sexes

Study type

Observational

Primary location

Who can participate

Healthy volunteers accepted: No

Only the study team can determine whether someone qualifies for participation.

Inclusion criteria

  • Patients aged 19 years or older scheduled for cardiac surgery

Exclusion criteria

  • Skin disease at the sensor application site (proximal arm)

Treatment and study plan

Dexcom G7

Device

Continuous glucose monitoring device (Dexcom G7) will be applied to patients undergoing cardiac surgery intraoperatively and postoperatively (maximum 10 days)

Primary outcomes

  1. MARD

    Time frame: From the beginning of operation to the end of postoperative ICU stay (maximum 10 days)

    mean absolute relative difference

Secondary outcomes

  1. Bland-Altman analysis

    Time frame: From the beginning of operation to the end of postoperative ICU stay (maximum 10 days)

    mean difference, bias, 95% limits of agreement

  2. ISO criteria

    Time frame: From the beginning of operation to the end of postoperative ICU stay (maximum 10 days)

    Satisfaction of 2013 ISO (International Organization of Standardization) criteria

  3. DTS error grid

    Time frame: From the beginning of operation to the end of postoperative ICU stay (maximum 10 days)

    DTS (Diabtetes Technology Society) error grid

Study contacts

Contact information is provided by the study sponsor or research team.

Karam Nam, M.D., Ph.D.

CONTACT

[email protected]

+82 2 2072 0643

Sponsors and collaborators

Lead sponsor

Seoul National University Hospital

Other

Registry information

Official study title

Evaluation of Perioperative Continuous Glucose Monitoring Accuracy in Patients Undergoing Cardiac Surgery

Important dates

Study start
2026
Primary completion
2028
Study completion
2028
First posted
Feb 3, 2026
Registry last updated
Jun 26, 2026

OpenTrials presents study information sourced from ClinicalTrials.gov. The official registry record should be consulted for the latest information.

View the official ClinicalTrials.gov record (opens in a new tab)

This listing is for discovery and informational purposes only. It is not medical advice, does not guarantee that a study is recruiting, and does not determine eligibility. Contact the study team and a qualified healthcare professional when considering participation.

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