PreDiabetes in The Elderly – Not to Worry

As physicians and educated adults we realize that developing diabetes increases our risks of heart disease, narrowing of our arteries or vascular disease, injury to the retina of our eyes leading to poor low vision or blindness, peripheral neuropathy or burning pains in our feet and elsewhere. We additionally have been taught the correlation between controlling our blood sugars and trying to reduce the risk of developing these complications.

In my early years in practice if a patient came in for fasting bloodwork and their glucose level was elevated above 110 on two occasions they met the legal definition of diabetes. Patients always had an excuse. “It was my birthday so I had cupcakes at work, cake and mixed alcoholic drinks at home, etc.” There were always rational reasons for being a human being, enjoying life and not being a disciplined diabetic patient.

The development of the hemoglobin A1c eliminated those excuses. It recognized that the higher your daily average blood sugar the more sugar would bind with a hemoglobin molecule and increase your hemoglobin A1C. That has given us a measure of your average blood sugar over the previous 90-days. Normal values were established as well as values in the diabetic range. The intermediate values were labeled “pre-diabetes”.

The question became “How do you keep “pre-diabetics” from becoming diabetics and risking all those complications.” Did the same rules apply to middle aged adults as to the elderly?

For the most part I counseled pre-diabetics that they had an increased risk of developing diabetes but if they stayed active, kept their weight down and improved their dietary choices they would be fine.

A research paper in Journal of the American Medical Association (JAMA) online edition now supports that position. Mary Rooney, PhD of the Bloomberg School of Public Health at Johns Hopkins University, published her data looking at 3,142 individuals 70 -90 years old with 44% being diagnosed with prediabetes. They were followed for six years.

During that time-period, only 9% of them went on to become diabetic. Thirteen percent (13%) improved into the normal glycemic range. Nineteen percent (19%) died of other causes.

The message is clear. If you are 70 years of age or older, and your hemoglobin A1C moves into the 5.7 or greater range, you are considered pre-diabetic. Stay fit and active. Keep your weight down. Meet with a dietitian and learn how to eat well and healthy, stop smoking and go for regular checkups. Diabetes will not do you in!

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