I'd like to put my two cents in regarding the Omnipod system and what I've experienced in the past few months using it. Prior to starting with the Omnipod system, I was a Minimed Paradigm 511 pump user for nearly 5 years. I got used to my Paradigm over the years but yearned for a pump that wouldnt have tubing that snagged on objects and was waterproof and had an integrated glucometer (I also was a Freestyle meter user).
So when the Omnipod became available this year for us California residents, I was very excited to try it out. My hgbA1C with my Paradigm pump was 6.6 in 09/07 so I was already in good control.
An intructor came by to train both myself and my CDE on use of the Omnipod in September and I have used it constantly since then.
Ok, Here are my findings. Although I have tried to be positive about the Omnipod system, I find that my blood sugars fluctuate way more than previous when I was using a Paradigm pump. This was also the experience of my CDE who used the Omnipod system on a trial basis. She ended up hating it.
Since the Pod gets tossed out every three days (and I've only had 1 truly malfunctioning pod in the 2 1/2 months that I've used the system) I don't think its a Pod malfunction issue but rather a design issue: is the cannula in the Pod too small and is the adhesive not strong enough to allow the likelihood that insulin is leaking out from the insertion site?
You see, the pod is not especially light and the adhesive used is the same type of adhesive dressing used on standard pump insertion tubing kits, but there's more weight applied to it. Hence after a short period of time, the pod starts to pull away from the skin (at least on me) and depsite all sorts of maneuvers including using medical adhesive to get it to stick on better and avoiding any moistruizing creams anywhere near the site, it still ends up being able to move at the canula site. The cannula also appears to be thinner and shorter than the cannula that I have used with my other insulin pump and I wonder whether this has an affect on insulin delivery.
On certain days, such as today, my blood glucose results roller coaster up and down and I finally give up and trying to manage them with the Omnipod alone and resort to shots to cover the highs.
Other days it appears to work well, with blood sugars fairly controlled, but without the degree of control that I had with my paradigm pump.
Its difficult to actually see if insulin is leaking out as the cannula is barely visible through the window in the pod.
I plan to call the omnipod support line and discuss this with them. It may be that
I need to try adifferent location (although I've experience the same results on my triceps area as my stomach) or perhaps try a different method of attachment.
Or perhaps, It might be that Omnipod is not right for me. Either way, I am hesitant to order new supplies given my experience.
The customer relations department at Insulet has been great so far in answering questions as they arise. Hopefully they can resolve this situation for me.
Rob
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