Anesth Pain Med.  2022 Jul;17(3):312-319. 10.17085/apm.22136.

Improvement of compliance to the Portland intensive insulin therapy during liver transplantation after introducing an application software: a retrospective single center cohort study

• Choi YW
• Han S
• Ko JS
• Lee SN
• Gwak MS
• Kim GS

• KMID: 2535325
• DOI: http://doi.org/10.17085/apm.22136

Abstract

Background
The Portland intensive insulin therapy effectively controls acute hyperglycemic change after graft reperfusion during liver transplantation. However, the time-consuming sophistication acts as a barrier leading to misinterpretation and decreasing compliance to the protocol; thus, we newly introduced an application software “Insulin protocol calculator” which automatically calculates therapeutic bolus/continuous insulin doses based on the Portland protocol. Methods: Of 144 patients who underwent liver transplantation, 74 patients were treated before the introduction of “Insulin protocol calculator” by using a paper manual, and 70 patients were treated by using the application. Compliance was defined as the proportion of patients treated with exact bolus/continuous insulin dose according to the Portland protocol. Results: Compliance was significantly greater in app group than in paper group regarding bolus dose (94.5% and 86.9%, P < 0.001), continuous dose (88.9% and 77.3%, P = 0.001), and both doses (86.6% and 73.8%, P < 0.001). Blood glucose concentration was significantly lower in app group at 3 h (125 ± 17 mg/dl vs. 136 ± 19 mg/dl, P = 0.014) and 4 h (135 ± 22 mg/dl vs. 115 ± 15 mg/dl, P = 0.029) after graft reperfusion. Acute hyperglycemic change during 30 min was more prominent in app group while hyperglycemia incidence was 71.4% vs. 54.1% (P = 0.031). However, hyperglycemia risk was comparable at 2 h (31.4% vs. 31.1%, P = 0.964), and even insignificantly lower in app group at 3 h (7.1% vs. 19.5%, P = 0.184). Conclusions: Compliance to the Portland protocol was significantly improved after introducing the application software; post-reperfusion hyperglycemia was better controlled. “Insulin protocol calculator” is cost-effective and time-saving with potential clinical benefits

Keyword

Application; Calculator; Glucose; Insulin; Liver transplantation; Portland

Figure

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  Fig. 1. Compliance to the Portland protocol when using a paper manual the application software "Insulin protocol calculator".

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  Fig. 2. Blood glucose concentrations after graft reperfusion when using the Portland protocol based on a paper manual or the application software "Insulin protocol calculator". *Means P < 0.05.

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  Fig. 3. Hyperglycemia incidence after graft reperfusion when using the Portland protocol based on a paper manual or the application software "Insulin protocol calculator".

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  Fig. 4. Blood potassium concentration after graft reperfusion when using the Portland protocol based on a paper manual or the application software "Insulin protocol calculator". P > 0.05 in all time points.

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