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Health technology assessment review: Computerized glucose regulation in the intensive care unit - how to create artificial control

Hoekstra, M., Vogelzang, M., Verbitskiy, E. & Nijsten, M. W. N., 2009, In : Critical Care. 13, 5, 7 p., 223.

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Current care guidelines recommend glucose control (GC) in critically ill patients. To achieve GC, many ICUs have implemented a (nurse-based) protocol on paper. However, such protocols are often complex, time-consuming, and can cause iatrogenic hypoglycaemia. Computerized glucose regulation protocols may improve patient safety, efficiency, and nurse compliance. Such computerized clinical decision support systems (CDSSs) use more complex logic to provide an insulin infusion rate based on previous blood glucose levels and other parameters. A computerized CDSS for glucose control has the potential to reduce overall workload, reduce the chance of human cognitive failure, and improve glucose control. Several computer-assisted glucose regulation programs have been published recently. In order of increasing complexity, the three main types of algorithms used are computerized flowcharts, Proportional-Integral-Derivative (PID), and Model Predictive Control (MPC). PID is essentially a closed-loop feedback system, whereas MPC models the behaviour of glucose and insulin in ICU patients. Although the best approach has not yet been determined, it should be noted that PID controllers are generally thought to be more robust than MPC systems. The computerized CDSSs that are most likely to emerge are those that are fully a part of the routine workflow, use patient-specific characteristics and apply variable sampling intervals.

Original languageEnglish
Article number223
Number of pages7
JournalCritical Care
Volume13
Issue number5
Publication statusPublished - 2009

    Keywords

  • CRITICALLY-ILL PATIENTS, TIGHT GLYCEMIC CONTROL, DECISION-SUPPORT-SYSTEMS, INSULIN INFUSION PROTOCOL, BLOOD-GLUCOSE, STRESS HYPERGLYCEMIA, DIABETIC-PATIENTS, DOSE CALCULATOR, TRAUMA PATIENTS, SEVERE SEPSIS

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