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Surgical Site Infections Following Colorectal Surgery in Patients with Diabetes: Association with Postoperative Hyperglycemia

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Journal of Gastrointestinal Surgery



Postoperative glycemic control reduces sternal infections following cardiac surgery in patients with diabetes mellitus (DM). The objective of this study was to examine the relationship between postoperative glycemic control and surgical site infections (SSI) in patients with DM undergoing colorectal resection.


A cohort of patients with DM who underwent colorectal resection (April 2001–May 2006) at our institution were reviewed. SSI were defined by Centers for Disease Control criteria. From a study cohort of 149 patients, 24% had poor postoperative glycemic control (defined as a mean 48-h postoperative capillary glucose (MCG) >11.0 mmol/L or 200 mg/dL), and these patients developed SSI at a significantly higher rate than those with a 48-h MCG ≤11.0 mmol/L (29.7% vs. 14.3%; odds ratio (OR) 2.5, p = 0.03). On multivariate logistic regression, 48-h MCG >11.0 mmol/L was significantly associated with SSI (OR 3.6, p = 0.02), independent of the dose and regimen of postoperative insulin administration. In conclusion, 48-h MCG >11.0 mmol/L (200 mg/dL) was independently associated with increased SSI following colorectal resection in patients with DM. Prospective studies are required to validate this relationship, address the role of preoperative glycemic control, and examine strategies to improve glycemic control following colorectal resection.

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Correspondence to Yarrow J. McConnell.

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Meeting presentation: Canadian Association of General Surgery, Canadian Surgery Forum, September 8, 2007, Toronto, Ontario, Canada

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McConnell, Y.J., Johnson, P.M. & Porter, G.A. Surgical Site Infections Following Colorectal Surgery in Patients with Diabetes: Association with Postoperative Hyperglycemia. J Gastrointest Surg 13, 508–515 (2009).

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