Continuous Glucose Monitoring for Colorectal Cancer

Not Applicable

Recruiting

Brief Summary: Hyperglycemia commonly occurs during surgery due to a reaction to metabolic stress and trauma. It has been shown that improper glycemia control leads to impaired wound healing and a higher risk of other postoperative complications.

The primary aim of our project is to assess the feasibility of the use of continuous glucose monitoring in measuring blood glucose levels in patients undergoing colorectal cancer surgery. The secondary aim is to analyze changes in perioperative blood glucose levels to understand the effects of stress and intraoperative interventions on the blood glucose level. The tertiary goal is to assess the predictive value of hyperglycemia for surgical site infection.

Detailed Description: Hyperglycemia commonly occurs during surgery due to a reaction to metabolic stress and trauma. It has been shown that improper glycemia control leads to impaired wound healing and a higher risk of other postoperative complications. However, glucose levels measured in patients before surgery are taken infrequently, and there remains controversy regarding optimal management. Usually, a blood glucose meter is used to measure non-fasted blood glucose concentrations, and a single-point measurement can easily misrepresent the actual glycemic control. Continuous glucose monitoring allows for a minimally invasive real-time remote glycemia control and is providing insights into glucose regulation in patients, demonstrating significant periods of clinically silent hypoglycemia and hyperglycemia.

The primary aim of our project is to assess the feasibility of the use of CGM in measuring blood glucose levels in patients undergoing colorectal cancer surgery. The secondary aim is to analyze changes in perioperative blood glucose levels to understand the effects of stress and intraoperative interventions on the blood glucose level. The tertiary goal is to assess the predictive value of hyperglycemia for surgical site infection.

Recruitment & Eligibility

Inclusion Criteria

Exclusion Criteria

Arm && Interventions

Group	Intervention	Description
Experimental	CGM (FreeStyle Libre 3)	Study subjects submitted to the General Surgery Clinic for colorectal surgery. On admission day, patients will have a CGM sensor placed on the outer part of the upper arm. Patients will undergo standard surgical procedures and perioperative care. Glycemia will be continuously monitored for 10 days. The CGM sensor will be taken off during visit in Outpatient Clinic.

Primary Outcome Measures

Name	Time	Method
feasibility of CGM system	10 days	measured as the drop-out rate caused by non-adherence of both patients and medical staff due to system detaching, problems with the receiving device (low battery. distance beyond Bluetooth communication range) etc.

Secondary Outcome Measures

Name	Time	Method
perioperative glycemia	10 days	number of hyperglycemia episodes impact of stress and intraoperative interventions on the blood glucose level
SSI rate	30 days	Surgical Site Infection according to Centre for Disease Control criteria: Infection occurring within the first 30 post-operative days with at least one of the following: Purulent drainage from the incision Organisms isolated from an aseptically obtained culture of fluid or tissue from the incision Incision is deliberately opened by a surgeon AND at least one of the following signs/symptoms of infection: Pain or tenderness Localized swelling Redness Heat Diagnosis of SSI by the surgeon or attending physician

Locations (1): UCC Division of Oncological, Transplant and General Surgery
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Gdańsk, Pomeranian, Poland

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