New to the forum, but have read through much of the recent topics.
My wife has been a T1D for close to 30 years. She’s been on a pump for 15-20 years now and has had relatively good control for a majority of the time on the pump. Her most recent A1C was 5.6 and this is about her average over the last several years.
She is on the Medtronic 670G with the Dexcom G6 CGM. She has been using Novolog (mostly) insulin. She has maintained an extremely low (to no) carb diet ever since she was pregnant with our 1st child 7 years ago. She takes 30 min brisk walks a minimum of 2 times a day, but depending on the highs it can be a few more. In addition, she does high intensity interval workouts 5-6 days a week.
For the past ~6 months she has been struggling with extreme highs which start almost immediately after 1.5 days of a new injection site. It will spike into the 300s (sometimes higher) and no amount of insulin or walking will bring it down. Eventually, she will have to fill a new reservoir and make a new injection site, and the BGs will start to come back down not long after. In the past she has always been able to get ~3 days of “useful” insulin in the reservoir before changing.
Things she has already tried with no success:
- Medtronic sent new pump recently (same 670G model)
- After suspecting insulin got too cold, she’s received new vials of Novolog
- Tried FIASP instead of Novolog
- Increased her rates to the maximum 3 hours prior to when the spike usually occurs
- Cut meat out of her diet
I’m hoping to hear someone with similar experiences, but even more hopeful for possible solutions.
Thanks in advance for your feedback.