Type 1 diabetes

Design and In Silico Evaluation of an Exercise Decision Support System Using Digital Twin Models

J Diabetes Sci TechnolPublished In silico simulation study

Authors' conclusion

The exDSS tool significantly improved glucose outcomes during and after exercise versus following clinical guidelines and no intervention providing motivation for clinical evaluation of the exDSS system.

Study context

Population
People with T1D; 30-minute exercise sessions (676 aerobic, 631 resistance)676 aerobic, 631 resistance sessions
Participants
247 people
Comparison
exDSS recommendations vs clinical guidelines vs no intervention
Outcome
Mean TIR (70-180 mg/dL), aerobic exercise
Follow-up
During and after exercise
Methodological detailsdigital twin models, scenarios from a large, free-living study
  • Digital twin models
  • Scenarios from a large, free-living study

Main finding

As reported in the abstract

exDSS vs No intervention: P < 0.0001 · exDSS vs Clinical guidelines: P < 0.0001

Further findings

Mean

OutcomeexDSSClinical guidelinesNo interventionP value
Mean TIR (70-180 mg/dL), resistance exerciseexDSS vs No intervention87.3%80.3%72.3%P < 0.0001
Mean TIR (70-180 mg/dL), resistance exerciseexDSS vs Clinical guidelinesP < 0.0001

Safety

Time in low glucose (<70 mg/dL), aerobic exercise — exDSS vs No intervention

P < 0.0001

Time in low glucose (<70 mg/dL), resistance exercise — exDSS vs No intervention

P < 0.0001

OutcomeP value
Time in low glucose (<70 mg/dL), aerobic exerciseexDSS vs Clinical guidelines · comparableP = N.S.
Time in low glucose (<70 mg/dL), resistance exerciseexDSS vs Clinical guidelines · comparableP = N.S.

Original publication

Design and In Silico Evaluation of an Exercise Decision Support System Using Digital Twin Models. J Diabetes Sci Technol. Published 23 February 2024. doi:10.1177/19322968231223217

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