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Discontinued Use of the Loop Insulin Dosing System: A Mixed-Methods Investigation.
Discontinued Use of the Loop Insulin Dosing System: A Mixed-Methods Investigation. Diabetes technology & therapeutics Wong, J., Suttiratana, S., Lal, R. A., Lum, J., Lanning, M. S., Dunlap, A., Arbiter, B., Hanes, S., Bailey, R., Hood, K., Naranjo, D. 2021Abstract
Loop is an open-source automated insulin dosing system that allows users unrivaled control over system settings that effect future glucose prediction. Thousands use Loop, but little is known about those who discontinue.In a large observational study, 874 Loop participants completed surveys and provided glycemic data, 46 (5.3%) of those self-identified as discontinuing Loop during the observation window, 45 completed a discontinued use survey, 22 provided system settings data, and 19 participated in semi-structured interviews about their discontinuation. Qualitative data were transcribed, coded, and analyzed.Older age and not trusting Loop were associated with discontinued use, though no other demographic or clinical characteristics were significant correlates. The most endorsed reasons were "I decided to try something else" (27.8%) followed by "It just didn't help as much as I thought it would" (22.2%). Qualitative analyses revealed prominent themes centered upon mental and emotional burden and adjusting settings. Other reasons for discontinued use included: fear of disapproval of Loop use from diabetes provider, barriers to acquiring component devices, a desire to try new/different technologies, concerns that Loop could not accommodate specific exercise or low insulin dose regimens, and worry about Loop use during pregnancy. It was noted that burdens might be alleviated by enhanced technical assistance and expert guidance.While the majority of individuals in the Loop observational study continued use, those who discontinued reported similar challenges. Technical support and education specific to setting calculations could expand Loop benefits, alleviate burden, and support sustained use among new Loop users.
View details for DOI 10.1089/dia.2021.0362
View details for PubMedID 34780283