Nasal Glucagon Is Easier to Use and More Preferred and Needs Less Effort to Administer Than Injectable Glucagon: User Perceptions of Glucagon Administration During Severe Hypoglycemia Simulation.

To evaluate ease of use, user preference, and effort required to use nasal glucagon (NG) versus injectable glucagon needing reconstitution (IG) in simulations of severe hypoglycemia (SH)-a challenge for caregivers of a person with diabetes (PWD) in real-life. In this randomized, crossover study, high-fidelity manikins placed in mock representative high-stress environments were used to simulate an SH rescue. Thirty-two trained (by PWDs) and 33 untrained participants attempted NG and IG administrations and then completed questionnaires regarding ease of use, preference, and workload for each device. More trained users agreed that NG was easy to use (87.1% vs 54.8%) and prepare (80.6% vs 51.6%) and had confidence to use NG correctly (93.5% vs 54.8%) than those who agreed the same for IG (P < .05). Untrained users reported similar differences, favoring NG in all parameters. In direct device comparison across all simulations, 80.6% of trained users and 93.5% of untrained users preferred NG over IG-a preference largely sustained regardless of the success or failure of administration. Among PWDs, 90.3% considered NG device as safer than IG during an SH event. In the assessment of workload required to administer glucagon, the weighted mean National Aeronautics and Space Administration Task Load Index scores were 37.8 for NG and 48.4 for IG (P = .0020). Participants in this study considered NG easier, more preferred, required less effort for administration, and more intuitive to use than reconstitutable IG, irrespective of whether there was prior training. NG improves the potential for successful administration of glucagon, better preparedness, and increased adoption of glucagon for SH rescue.

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