Safety of batteries in insulin pumps
Murata, Takashi NHO Kyoto Medical Center
Nirengi, Shinsuke NHO Kyoto Medical Center
Sakane, Naoki NHO Kyoto Medical Center
Hirota, Yushi Kobe University
Namba, Mitsuyoshi Hyogo College of Medicine
Kobayashi, Tetsuro Okinaka Memorial Institute for Medical Research
Continuous subcutaneous insulin infusion
Aims/Introduction: We investigated the safety of the batteries and power units used in insulin pumps in Japan.
Materials and Methods: A self‐administered questionnaire was sent to the 201 members of the Association for Innovative Diabetes Treatment in Japan.
Results: A total of 56 members responded, and among the 1,499 active devices, 66 had episodes of trouble related to the batteries and power units. The ratio of reported troubles to the number of insulin pumps was significantly higher in insulin pumps with a continuous glucose monitoring sensor compared with insulin pumps without a continuous glucose monitoring sensor (odds ratio 2.82, P < 0.05). The cause and the consequences varied. The brands of the batteries varied; alkaline batteries purchased at drug stores and other shops accounted for 19.7%. Termination of battery life within 72 h of use was reported most frequently (50.0%), suspension of the insulin pump (21.2%) and leakage of the battery fluid (4.5%) followed. A total of 53.2% of the reported insulin pumps needed to be replaced, and 37.1% of them recovered after replacement of the battery.
Conclusions: As trouble related to the batteries and power units of insulin pumps was frequent, practical guidance should be provided to respective patients regarding the use of reliable batteries, and to be well prepared for unexpected insulin pump failure.
Journal of Diabetes Investigation
Asian Association for the Study of Diabetes|John Wiley & Sons
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