Time requirements for perioperative glucose management using fully closed-loop versus standard insulin therapy: A proof of concept time-motion study.

Roos, Jonathan; Schürch, Daniel; Frei, Andreas; Lagger, Sophie; Schwenkglenks, Matthias; Vogt, Andreas; Herzig, David; Bally, Lia (2023). Time requirements for perioperative glucose management using fully closed-loop versus standard insulin therapy: A proof of concept time-motion study. Diabetic medicine, 40(9), e15116. Wiley 10.1111/dme.15116

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AIMS

To compare the time required for perioperative glucose management using fully automated closed-loop versus standard insulin therapy.

METHODS

We performed a time-motion study to quantify the time requirements for perioperative glucose management with fully closed-loop (FCL) and standard insulin therapy applied to theoretical scenarios. Following an analysis of workflows in different periods of perioperative care in elective surgery patients receiving FCL or standard insulin therapy upon hospital admission ( pre- and intra-operatively, at the intermediate care unit and general wards), the time of process-specific tasks were measured by shadowing hospital staff. Each task was measured 20 times and its average duration in combination with its frequency according to guidelines was used to calculate the cumulative staff time required for blood glucose management. Cumulative time were calculated for theoretical scenarios consisting of elective minor and major abdominal surgeries (pancreatic surgery and sleeve gastrectomy, respectively) to account for the different care settings and length of stay.

RESULTS

FCL insulin therapy reduced the time required for perioperative glucose management compared to standard insulin therapy, across all assessed care periods and for both perioperative pathways (range 2.1-4.5). For a major abdominal surgery, total time required was 248.5 min using FCL vs. 753.9 min using standard insulin therapy. For a minor abdominal surgery, total time required was 68.6 min and 133.2 min for FCL and standard insulin therapy, respectively.

CONCLUSIONS

The use of fully automated closed-loop insulin delivery for inpatient glucose management has the potential to alleviate the workload of diabetes management in an environment with adequately trained staff.

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6 Citations in Scopus

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