How do altitude changes affect insulin pump delivery in the treatment of type 1 diabetes mellitus (DM)?

Updated: Sep 13, 2019
  • Author: Romesh Khardori, MD, PhD, FACP; Chief Editor: George T Griffing, MD  more...
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Answer

Changes in altitude may affect delivery from insulin pumps. During the flight of a commercial airliner (200 mm Hg pressure decrease), excess insulin delivery of 0.623% of cartridge volume was demonstrated as a result of bubble formation and expansion of preexisting bubbles. [121]


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