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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.
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.
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| Label | Type | Description | Intervention Names |
|---|---|---|---|
| Experimental | Experimental | 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. |
|
| Name | Type | Description | Arm Group Labels | Other Names |
|---|---|---|---|---|
| CGM (FreeStyle Libre 3) | Device | FreeStyle Libre 3 system consists of a sensor that measures interstitial glycemia every minute and a dedicated application on mobile phone. Measurements are transmitted via Bluetooth to a mobile phone, that collects the data in the mobile application. Moreover, the study subject's application is connected to the doctor's application which allows remote real-time glycemia monitoring on another device. Other Name: continuous glucose monitoring, CGM, FreeStyle Libre 3 |
| Measure | Description | Time Frame |
|---|---|---|
| feasibility of CGM system | 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. | 10 days |
| Measure | Description | Time Frame |
|---|---|---|
| perioperative glycemia | number of hyperglycemia episodes impact of stress and intraoperative interventions on the blood glucose level | 10 days |
| SSI rate | 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 |
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Inclusion Criteria:
Exclusion Criteria:
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| Name | Role | Phone | Extension | |
|---|---|---|---|---|
| Magdalena Antoszewska, MD | Contact | +48698748705 | magdalena.antoszewska@gumed.edu.pl | |
| Piotr Spychalski, MD, PhD | Contact | +48 667 843 555 | piotr.spychalski@gumed.edu.pl |
| Name | Affiliation | Role |
|---|---|---|
| Magdalena Antoszewska, MD | MUG Division of Dermatology, Venereology and Allergology | Principal Investigator |
| Piotr Spychalski, MD, PhD | MUG Division of General Surgery | Principal Investigator |
| Facility | Status | City | State | ZIP | Country | Contacts |
|---|---|---|---|---|---|---|
| UCC Division of Oncological, Transplant and General Surgery | Recruiting | Gdansk | Pomeranian | 80-214 | Poland |
| PubMed Identifier | Type | Citation | Retractions |
|---|---|---|---|
| 19002535 | Background | McConnell YJ, Johnson PM, Porter GA. Surgical site infections following colorectal surgery in patients with diabetes: association with postoperative hyperglycemia. J Gastrointest Surg. 2009 Mar;13(3):508-15. doi: 10.1007/s11605-008-0734-1. Epub 2008 Nov 11. |
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| ID | Term |
|---|---|
| D015179 | Colorectal Neoplasms |
| ID | Term |
|---|---|
| D007414 | Intestinal Neoplasms |
| D005770 | Gastrointestinal Neoplasms |
| D004067 | Digestive System Neoplasms |
| D009371 | Neoplasms by Site |
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| ID | Term |
|---|---|
| D000095583 | Continuous Glucose Monitoring |
| ID | Term |
|---|---|
| D001774 | Blood Chemical Analysis |
| D019963 | Clinical Chemistry Tests |
| D019411 | Clinical Laboratory Techniques |
| D019937 | Diagnostic Techniques and Procedures |
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|
| 30 days |
| Jarosław Kobiela, Prof. | MUG Division of General Surgery | Principal Investigator |
| D009369 | Neoplasms |
| D004066 | Digestive System Diseases |
| D005767 | Gastrointestinal Diseases |
| D003108 | Colonic Diseases |
| D007410 | Intestinal Diseases |
| D012002 | Rectal Diseases |
| D003933 | Diagnosis |
| D003940 | Diagnostic Techniques, Endocrine |
| D008991 | Monitoring, Physiologic |
| D008919 | Investigative Techniques |