Patient characteristics may affect patients' response to insulin. We examined the impact of body weight and presence of diabetes on the response to insulin during noncardiac surgery. We studied 202 patients who were enrolled in the DeLiT Trial and received intraoperative intravenous insulin. Univariable and multivariable analyses (Bonferroni corrected) assessed the relationship between patient's response to the initial intraoperative I.V. bolus of regular insulin and the factors of interest. Blood glucose concentrations decreased 8.3 ± 10mg/dL (0.46 ± 0.56mmol/L) per unit of I.V. insulin in 30minutes. The response to insulin was similar in patients with or without diabetes (adjusted mean difference [97.5% confidence interval], 0.2 [-3.9, 4.2] mg/dL, 0.01 [-0.22, 0.24] mmol/L; P = .93). No relationship was found between insulin response and body weight (P=0.38). Our results suggest that adjustment for body weight and the presence of diabetes may not improve intraoperative insulin treatment algorithms.
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| http://dx.doi.org/10.1016/j.jclinane.2015.10.005 | DOI Listing |
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