Continuous Glucose Monitoring in Patients Undergoing Cardiopulmonary Bypass

Trial statusNot yet recruiting
Trial phaseNot applicable
Trial typeInterventional
Biological sexAll
Age18+
SponsorWake Forest University Health Sciences

About this trial

The purpose of this research study is to test the accuracy of the Dexcom continuous glucose monitoring device during the cardiothoracic surgical procedure and recovery period in the Cardiac Intensive Care Unit. Readings from the device will be compared with the standard of care blood glucose levels that are obtained during your surgery and postoperatively.

Eligibility criteria

This trial does not accept healthy volunteers

Qualifiers

18 years of age or older

Undergoing cardiac surgery with cardiopulmonary bypass at Atrium Health Wake Forest Baptist Medical Center

Disqualifiers

Under 18 years of age

Pregnant women

Patients with a contraindication to device placement on the posterior arm, including rash, missing extremity, or existing line or device

Trial design

Design model

Single group

Treatments tested in this trial

  • Dexcom G7 Continuous Glucose Monitor

    Device

    Dexcom G7 continuous glucose monitor will be placed prior to cardiac surgery. It will be worn continuously throughout the perioperative period and during the time admitted to the Cardiovascular Intensive Care Unit.

Treatment groups

100 Participants
are divided into 1 treatment group
Group A: Continuous Glucose MonitoringExperimental treatment 1 intervention

Trial outcomes

Primary outcomes

1

Continuous Glucose Monitoring Accuracy Compared to Point-of-Care Measurements

Glucose values (mg/dL) from the continuous glucose monitoring will be compared to glucose values obtained from point-of-care arterial blood gas and/or fingerstick capillary glucose measurements.

Time frame
Up to Day 10
2

Percentage of Continuous Glucose Monitoring Accuracy with Vasopressor Use

Glucose values from the continuous glucose monitoring will be compared to glucose values obtained from point-of-care arterial blood gas measurements when vasopressors are utilized for hemodynamic optimization.

Time frame
Up to Day 10
3

Percentage of Continuous Glucose Monitoring Accuracy with Hypothermia

Glucose values from the continuous glucose monitoring will be compared to glucose values obtained from point-of-care arterial blood gas measurements during the hypothermic period intraoperatively.

Time frame
Day 1
4

Percentage of Continuous Glucose Monitoring Accuracy with Acidosis

Glucose values from the continuous glucose monitoring will be compared to glucose values obtained from point-of-care arterial blood gas measurements intraoperatively when the participant is acidotic.

Time frame
Up to Day 10

Secondary outcomes

1

Incidence of Continuous Glucose Monitor Malfunction

Number of times the Dexcom G7 continuous glucose monitor malfunctioned during use, including sensor loss or monitor failure.

Time frame
Up to Day 10
2

Duration of Time Continuous Glucose Monitor Experienced Sensor Loss

Amount of time the Dexcom G7 continuous glucose monitor experienced sensor loss while in use.

Time frame
Up to Day 10
3

Continuous Glucose Monitor Measurement Expenses

Total expenditures to the patient for the costs of all glucose measurements (arterial blood gases, glucometers as point of care, laboratory drawn glucose measurements - included in metabolic profile laboratory measurements as well) obtained during the course of wearing the continuous glucose monitoring device compared to the cost of the Dexcom G7 continuous glucose monitor.

Time frame
Up to Day 10

Other outcomes

Sponsors and contacts

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