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Multicenter Study
. 2015 Nov;30(11):1515-23.
doi: 10.1007/s00384-015-2322-7. Epub 2015 Jul 23.

Postoperative hyperglycemia and adverse outcomes in patients undergoing colorectal surgery: results from the Michigan surgical quality collaborative database

Sathish Mohan  1   2 , Christodoulos Kaoutzanis  3 , Kathleen B Welch  4 , James F Vandewarker  3 , Suzanne Winter  3 , Greta Krapohl  5 , Richard M Lampman  3 , Michael G Franz  3 , Robert K Cleary  3
Affiliations
Multicenter Study

Postoperative hyperglycemia and adverse outcomes in patients undergoing colorectal surgery: results from the Michigan surgical quality collaborative database

Sathish Mohan et al. Int J Colorectal Dis. 2015 Nov.

Abstract

Purpose: Our objective was to assess the relationship between high blood glucose levels (BG) in the early postoperative period and the incidence of surgical site infections (SSIs), sepsis, and death following colorectal operations.

Methods: The Michigan Surgical Quality Collaborative database was queried for colorectal operations from July 2012 to December 2013. Normoglycemic (BG < 180 mg/dL) and hyperglycemic (BG ≥ 180 mg/dL) groups were defined by using the highest BG within the first 72 h postoperatively. Outcomes of interest included the incidence of superficial, deep, and organ/space SSIs, sepsis, and death within 30 days. Initial unadjusted analysis was followed by propensity score matching and multiple logistic regression modeling after adjusting for significant predictors. Separate analyses were performed for previously diagnosed diabetic and non-diabetic patients.

Results: A total of 5145 cases met inclusion criteria, of which 1072 were diabetic. For diabetic patients, there was a marginally significant association between high BG and superficial SSI in the unadjusted analysis (OR = 1.75, p = 0.056), but not in the adjusted analysis (OR = 1.35, p = 0.39). There was no significant relationship between elevated BG and deep SSI, organ/space SSI, sepsis, or death among diabetic patients. For non-diabetic patients, there was a significant association between high BG and superficial SSI (OR = 1.53, p = 0.03), sepsis (OR = 1.61, p < 0.01), and death (OR = 2.26, p < 0.01), but not deep or organ/space SSI.

Conclusions: Following colorectal operations, superficial SSI, sepsis, and death are associated with postoperative serum hyperglycemia in patients without diabetes, but not those with diabetes. Vigilant postoperative BG monitoring is critical for all patients undergoing colorectal surgery.

Keywords: Death; High blood glucose; Postoperative hyperglycemia; Sepsis; Surgical site infection.

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