Impact of perioperative hyperglycemia in patients undergoing microvascular reconstruction

Abstract

Background

The effects of perioperative hyperglycemia on complications and outcomes in microvascular reconstruction have not been reported in the literature.

Methods

A retrospective cohort of 203 patients undergoing microvascular reconstruction was generated. Perioperative glucose levels and clinical factors were tested for associations with complications using simple and multivariate analyses.

Results

Hyperglycemia (blood glucose ≥ 180 mg/dL) occurred in 91 patients (44.8%) perioperatively, and was associated with increased rates of surgical complications, medical complications, surgical site infections, fistulas, and wound dehiscence. On univariate analysis, a more strict definition of hyperglycemia (blood glucose ≥ 165 mg/dL) was significantly associated with greater rates of venous thrombosis, although this lost statistical significance on multivariate analysis.

Conclusion

Perioperative hyperglycemia occurs commonly in patients undergoing microvascular reconstruction and is associated with higher rates of complications, independent of a preexisting diagnosis of diabetes mellitus. Further research is needed to define the ideal glycemic target in this population.

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