• jj4211@lemmy.world
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    25 days ago

    Had a relative with a toddler that almost died due to his GCM overreporting his levels.

    My mom had one and learned immediately not to trust it.

    I’m shocked that both people I know personally had those devices turn out to be uselessly inaccurate…

    • orclev@lemmy.world
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      25 days ago

      Abbott claims they’re good for 14 days of use but my experience is that they’re worthless after 5 to 10 days. The first 5 days of use they’re about as accurate as the Dexcom units (typically +/- 10%). Beyond that they start to read increasingly low (-50% to -80%) with readings often failing entirely by day 10 or 11. It wouldn’t be a problem if you could replace them after 5 days, but if you do that insurance pitches a fit and refuses to cover more of them because “they’re good for 14 days”.

      • xep@discuss.online
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        25 days ago

        Is this behaviour for a particular sensor, like the Libre 2, or do all of Abbott’s sensors do this?

        • orclev@lemmy.world
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          25 days ago

          It was my experience with the libre 2+ and the libre 3. I’ve never used the libre 1 so I couldn’t say if it applies to that one. That said the 2 and the 1 don’t really qualify as CGMs as you need to poll them for glucose readings and I believe they’re limited on polling frequency (something like once every 5 min) so they’re much closer to a traditional glucose monitor than they are a true CGM.

    • orclev@lemmy.world
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      25 days ago

      Unfortunately I am severely allergic to the adhesive Dexcom uses that they claim is hypoallergenic.

    • xep@discuss.online
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      25 days ago

      The Dexcom G2 is far more uncomfortable compared to the Libre 2, in my experience. The filament causes a red spot and aching in my arm, but the Libre 2’s does not.

  • pHr34kY@lemmy.world
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    25 days ago

    I eventually figured out that the Freesytle Libre will significantly underread if you sleep on it. I would recommend doing a finger prick test before acting upon what a CGM tells you to do.

  • Lemminary@lemmy.world
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    25 days ago

    (Foreigner here) Could this be related to DOGE’s defunding of the three-letter acronym agencies and all that? It seems like proper testing and reporting weren’t being carried out. They say this has been happening since the 80s, but seven deaths is a little too much.

    • frongt@lemmy.zip
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      25 days ago

      Probably not. These products take a long time to develop, and DOGE was only a thing in the last few months.