I can’t find any other people’s experience of using the 780G & thought this might be of interest.
I live in Switzerland & was fortunate to be an early user of the 780G. I’ve now being using it for 4 weeks & am generally very happy.
Before switching I had been using an old Veo pump with Dexcom G6, Xdrip & FIASP.
I got good TIR (>90%) but with relatively high standard deviation (1.6) & many short term highs & lows. This meant almost every night was disturbed & I had to eat a lot of quick acting carbs to control the low BGs.
Since starting with the 780G, my TIR has improved: 14 day average = 96%
I have managed several days of 100% TIR.
Standard deviation has reduced to 1.2 (some days <1.0)
Exercise (running) is the main cause of going outside range. I’m still learning how best to control this using the ‘temp target’ feature.
Control at night is great resulting in regularly having a good night’s sleep for the first time in 10+ years.
My consumption of short acting carbs (glucose, sugar, sweets) to avoid or treat low BGs has reduced dramatically.
Average BG has increased slightly (I think) because the SmartGuard target can’t be set lower than 5.6.
SmartGuard controls BG by auto-applying basal or micro boluses.
When I’m exercising (eg hill walking) it can switch of basal for many hours (my daily basal is only 8 units normally)
SG sometimes makes unexpected actions
E.g. one evening recently, after several lows & highs, I used my BolusWizard before dinner.
I entered 45g carbs & the BolusWizard gave me no insulin!!!
I ignored this & entered an additional 45g carbs & the BolusWizard gave me the expected amount of insulin.
I was quite worried that I would get a very low BG but in fact control after my meal was OK
I discussed this with Medtronic support – their explanation was that SmartGuard thought I was trending to a low BG & consequently gave me no insulin. It would have corrected any highs with auto-boluses.
I have still not learnt to fully trust SmartGuard
For the first 7 days after starting on the 780G, I was still wearing a Dexcom G6 & could directly compare the results.
It seems that the Enlite is slower to react to rapid changes & often doesn’t show the highest or lowest values
This means (IMO) that my ‘better’ results are partially due to the sensor’s inaccuracy rather than a true improvement.
I had heard bad reviews of some of the earlier Medtronic pumps of users getting sore fingers (!) from having to confirm each operation so many times.
I find the 780G is easy to use, intuitive & needs just the right amounts of confirmations.
The display is quite bright & can be read outside (even on a bright snowy day)
However the BG graph displays from 2.2 to 25 & cannot be changed. This means it’s difficult to accurately see how my BG is changing as it rarely goes above 10.0
The range should be user configurable.
The smartphone app has the same problem
I still think the pump is unnecessarily big compared with my Veo or the T Slim but it’s still possible to put in the pocket of my jeans instead of wearing it on my belt.
The AA battery that was supplied with the pump lasted 10 days.
I replaced it with a rechargeable AA battery (Panasonic Eneloop) which is still on ‘Medium’ after a further 10 days.