Air bubble formation from pressure changes causes the pump to deliver about 0.6 extra units on ascent and about 0.5 less on descent.
MADRID — Airplane travel consistently causes insulin pumps to over-deliver a little over half a unit on takeoff and under-deliver a bit less on landing, new research found.
In any case, King said,"One of the most important things is informing people with diabetes about this effect so they're aware of it and can act appropriately when they fly." And after descent,"you have to walk a lot in most cases, so I don't think they need to take this into consideration. So many other factors change in air travel that I don't think this is a significant enough effect to make the effort."has been described previously, including by King in a 2011paper.
Pinsker added that the Tandem Mobi user manual includes a warning related to significant pressure changes in specific air travel situations and offers guidance to disconnect. However,"the t:slim X2 pump's microdelivery technology limits how much extra insulin can get delivered from air pressure changes due to a mechanism between the tubing and the contents of the bag inside the cartridge.
Insulin delivery rates and bubble formation were recorded by attaching infusion sets to open-ended 100 µL capillary tubes against 1-mm grid paper.
Diabetes Mellitus Type I Type 1 Diabetes Type 1 DM T1DM T1D Insulin Pump Continuous Subcutaneous Insulin Infusion Travel Medicine Travel Children Child Childhood Pediatrics Kids Washington DC Washington - District Of Columbia Europe European Washington Neuroendocrine Tumor Neuroendocrine Tumour NET Nets Neuroendocrine Tumor (NET)
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