In the 1990s I had a meter and much better insulin. Several injections were required each day, and I was still using my upper abdomen. Eventually it became very difficult to push the needle into my skin. I actually had some needles bend, and had to get a different disposable syringe, reload and try a different spot. I had not been told that this might be scar tissue, no doctor had ever mentioned that. All of my doctors had been GP's and they knew very little about diabetes. No doctor had suggested alternating sites. Maybe my doctors in the 1990s assumed I knew about this since I had been type 1 for 50 years at that time. In the new century I was using basal and bolus insulins, and doing as many as 8 injections every day. The toughness of my skin in my upper abdomen made it necessary for me to start using my lower abdomen and upper legs. It was common sense on my part that caused me to make that change. My blood sugar tests improved significantly, but I still did not know it was because I had moved away from the toughness in my upper abdomen.
In 2007 I started using a pump, and things were going very well until I tried my upper abdomen. I got a 'No Delivery' alarm on my pump and did not know what that meant, so I called the Medtronics help line. After a long discussion it was decided I had scar tissue. That was the first time I had heard those words. A very young sounding lady at Medtronics made that diagnosis, but my doctors had never mentioned it. This made me very angry, and it has taken me a long time to stop feeling bitter about it. At least one doctor should have told me about site rotation. I have permanent scar tissue in my upper abdomen, and can never use it again. The skin will always be tough, and the insulin absorption almost nonexistent. I tried using my upper ab earlier this year, and saw very high blood sugar in the next few hours. I am presently using my lower ab and upper legs, rotating infusion set locations. If I don't change sets after three days I start seeing high blood sugar. That is because scar tissue is beginning to form there. I keep the sites about two inches apart, and change every three days. I have now had A1c's in the 5.5-6.4 range for almost twenty years. Finding someone who told me about scar tissue has greatly improved my control. I will never know how I managed to avoid diabetes complications for the many years that I was not rotating sites, and having so much high blood sugar. I have some neuropathy, but my overall diabetes health is very good. That almost seems like a miracle to me.
I hope that my online friends with diabetes do rotate sites, and use different body parts to avoid scar tissue.
The diagram below shows my A1c's, starting in 1980. The higher A1c's at the beginning were partially due to my scar tissue problems.
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