Usability study of a new tool for nutritional and glycemic management in adult intensive care: Glucosafe 2

Aude de Watteville, Ulrike Pielmeier, Séverine Graf, Nils Siegenthaler, Bernard Plockyn, Steen Andreassen, Claudia-Paula Heidegger

Research output: Contribution to journalJournal articleResearchpeer-review

1 Citation (Scopus)
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Abstract

The new decision support tool Glucosafe 2 (GS2) is based on a mathematical model of glucose and insulin dynamics, designed to assist caregivers in blood glucose control and nutrition. This study aims to assess end-user acceptance and usability of this bedside decision support tool in an adult intensive care setting. Caregivers were first trained and then invited to trial GS2 prototype on bedside computers. Data for qualitative analysis were collected through semi-structured interviews from twenty users after minimum three trial days. Most caregivers (70%) rated GS2 as convenient and believed it would help improving adherence to current guidelines (85%). Moreover, most nurses (80%) believed that GS2 would be timesaving. Nurses' risk perceptions and manual data entry emerged as central barriers to use GS2 in routine practice. Issues emerged from the caregivers were compiled into a list of 12 modifications of the GS2 prototype to increase end-user acceptance and usability. This usability study showed that GS2 was considered by ICU caregivers as helpful in daily clinical practice, allowing time-saving and better standardization of ICU patient’s care. Important issues were raised by the users with implications for the development and deployment of GS2. Integrating the technology into existing IT infrastructure may facilitate caregivers’ acceptance. Further clinical studies of the performance and potential health outcomes are warranted.

Original languageEnglish
JournalJournal of Clinical Monitoring and Computing
Volume35
Issue number3
Pages (from-to)525-535
Number of pages11
ISSN1387-1307
DOIs
Publication statusPublished - 2021

Keywords

  • Computer-assisted decision support system
  • Critically ill
  • Glycemic control
  • ICU
  • Nutrition
  • Quality improvement

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