Abstract
Objectives
To control intraoperative hyperglycemia in patients who underwent aortic surgery using STG-55® artificial endocrine pancreas and clarify the effectiveness of this device.
Methods
Blood glucose control using the STG-55® was performed in 18 patients (15 men and 3 women; age, 66 ± 10 years) who required hypothermic circulatory arrest (STG-55® group). Seventeen patients (10 men and 7 women; age, 71 ± 8 years) whose blood glucose was controlled using the conventional method were included in the control group. Glucose concentration was controlled with the aim of maintaining it at 150 mg/dl.
Results
In both groups, the blood glucose concentrations did not significantly change during the interruption of systemic perfusion; however, a sharp increase was noted immediately after reperfusion. Although the hyperglycemic status persisted after reperfusion in the control group, it was effectively suppressed in the STG-55® group (STG® vs. control group at 50 min after reperfusion: 180 ± 35 vs. 212 ± 47 mg/dl, p = 0.026) and blood glucose concentration reached the target value of 150 mg/dl at 100 min after reperfusion (STG® vs. control group: 153 ± 29 vs. 215 ± 43 mg/dl, p = 0.0008). The total administered insulin dose was 175 ± 81 U and 5 ± 3 U in the STG® and control groups, respectively (p < 0.0001).
Conclusions
To treat the accelerated hyperglycemic status in aortic surgery requiring circulatory arrest, strict glycemic control using an artificial endocrine pancreas might be beneficial.
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Aizawa, K., Muraoka, A., Kurumisawa, S. et al. Artificial endocrine pancreas with a closed-loop system effectively suppresses the accelerated hyperglycemic status after reperfusion during aortic surgery. Gen Thorac Cardiovasc Surg 69, 14–18 (2021). https://doi.org/10.1007/s11748-020-01415-1
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DOI: https://doi.org/10.1007/s11748-020-01415-1