The purposes of this study is to study if CGMs worn in the postoperative ICU or non-ICU hospital setting have adequate accuracy for blood glucose monitoring when compared to point-of-care (POC) capillary glucometers.
Eligible patients will be approached by research staff either preoperatively or on the first 5 days post-surgery and offered to be enrolled. If agreed to participate, they will be fitted with a blinded CGM monitor (Dexcom G6 PRO) as soon as they are awake and alert after the surgery. They will continue to have their blood glucose check as usual in the ICU and on surgical floors with POC glucometers. On discharge, or at the end of the first CGM sensor life, the sensor will be removed and sensor data will be analyzed. CGM data will be compared with Point-of-Care blood glucose monitoring obtained in the hospital.
Study Type
INTERVENTIONAL
Allocation
NA
Purpose
HEALTH_SERVICES_RESEARCH
Masking
NONE
Enrollment
50
A device that measures blood sugar levels every 1-5 minutes
Mayo Clinic in Florida
Jacksonville, Florida, United States
CGM accuracy
Measured by the mean absolute relative difference (MARD), calculated between matched pairs of POC (point of care) glucose monitors and the closest CGM reading. MARD will be summarized as mean (standard deviation) or median (range) for glucose readings \<70g/dl, \>180g/dl, \>250g/dl respectively.
Time frame: From date of enrollment and until discharge from the hospital up to 30 days.
CGM recorded hypoglycemia episodes
The incidence and duration of hypoglycemic episodes
Time frame: From date of enrollment and until discharge from the hospital up to 30 days.
CGM recorded hyperglycemia episodes
The incidence of hyperglycemic episodes
Time frame: From date of enrollment and until discharge from the hospital up to 30 days.
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