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-   -   GTT results, prediabetes??? (https://www.neurotalk.org/peripheral-neuropathy/41222-gtt-results-prediabetes.html)

elsie 03-13-2008 04:42 PM

GTT results, prediabetes???
 
I had a GTT yesterday. My fasting BS was 97. An hour later, it had jumped to 144. At 2 hrs. it was 77 and 3 hrs., 73. Do you think these numbers are high enough to have caused my neuropathy?

glenntaj 03-14-2008 08:19 AM

Well--
 
--by most lab reference ranges for glucose tolerance testing, you would not be diagnosed with impairment. Generally, at one hour one is allowed a glucose level below 170, and at two hours, below 140, before one is diagnosed with impaired tolerance.

The lowering of the numbers into the seventies, though, given you started at 97, does imply a certain degree of reactive hypoglycemia--not severe, but something to watch, as this can sometimes be a precursor to diabetes. The implication is that your body overreacted a bit to the small glucose challange by overproducing insulin, driving your blood sugar levels somewhat below your fasting state. This overproduction signals a degree of insulin resistance--yoru body needed to produce more insulin to drive glucose into your cells, and it somewhat overproduced. It would have been interesting to see what your insulin levels were at fasting, 1 hour, two hours, three hours . . .my take on this is that your system is still compensating fairly well, but it might behoove you to take some steps to even out your readings and forestall future trouble, such as eating smaller meals more frequently and balancing carbs/proteins/fats at each.

I'm not a doctor, but this doesn't immediately look like enough glucose dysregulation to cause severe neuropathy symptoms (but everybody is an individual). Has there been any other recent testing that might provide some insight?

elsie 03-14-2008 08:41 AM

Thanks so much, glenntaj. I was confused and thought my blood sugar should not go over 140 at any time during the GTT. I think my fasting is too high but I don't know how to bring it down. I am underweight, exercise daily, and try to eat a balanced diet. One problem I have is very low iron stores so I am suppose to take iron along with Vit. C on an empty stomach 3 times a day. That makes it harder for me to eat smaller more frequent meals.

daniella 03-14-2008 10:10 AM

I am not sure and am no expert but not to be too personal how underweight are you? I ask because I used to be and I often got odd bloodwork results. It can also send levels of varing things high such as many underweight people have high cholesterol. How is your liver enzymes?

elsie 03-14-2008 10:22 AM

I am 5' 3" and 105 pds. so don't feel like weight loss would help my fasting blood sugar level. I do have high cholesterol . It's 269 but my HDL is 81. I cannnot take statins, they give me horrific muscle pain. My liver enzymes have always been in the 20's till my last blood work and they were 40.

glenntaj 03-14-2008 04:32 PM

There is always the possibility--
 
--of endocrine problems beyond those of the insulin/glucose cycle; those involving the adrenals, the thyroid, the parathyroid . . .but you don't seem to have many indications of these (at least from you've written so far--and I'm not an expert in these areas).

The low iron stores, the cholesterol, and the underweight aspect bring two other possibilites to mind, though. The first is neuropathy through hypertriglyceridemia--hereditary high levels of triglycerides that are not affected very much by diet in those with the condition. This is not a well-researched area, but there are some reports of it. The second is the possibility of neuropathy due to nutrient malabsorption--of vitamin B12, B1, B6--and this can stem from a number of factors, but you definitely should be checked for celiac/gluten sensitivity, which can ITSELF cause neuropathy through direct autoimmune cross-reactivity with nerve components. Getting some triglyceride and Vitamin D levels would also be a good idea (have you had B Vitamin levels done?).

elsie 03-14-2008 07:11 PM

All my vitamin levels were excellent. I am on a B12 supplement and I believe my level was over 1000 on my last test. My Vit. D was good also. I was checked for celiac disease and it was negative. My trig. level is actually very low. It usually runs around 19 but was 23 on my latest blood work. I did test positive for ANA antibodies but I really dont have the symptoms of lupus. I have an appointment with a rheumotologist but it is several months away.
Thank you , gleentaj for all your suggestions. I had to insist that my doctor do the celiac blood test and the gluocose tolerance test. I read on this site how important both of these tests are. I appreciate everyone's advice. I have learned valuable information from reading this message board.

watsonsh 03-14-2008 11:43 PM

Hi elsie,

I have some of the same problems as you.

recently my endocrinologist did a 2 hour glucose and insuling study. If I remember correctly my numbers were as follows:

fasting glucose 87
2 hour glucose 140 :eek:
fasting insulin 10
2 hour insulin 152 :eek:

Doc dx me as glucose intolerant and insulin resistance and called it metabolic syndrome. She put me on low dose of metformin

Diabetes does run in my family and I did have a thryoid problem until I had it removed.

On another note my blood tests also showed me as iron deficient or iron anemic. I too tried the supplements and boy did they upset my gastro system.

But I recently started a prescription once a day iron supplement called repliva. Much more gentle and only once a day. And it has vitamin C in it.

elsie 03-15-2008 10:13 AM

Shelley, I use the slow fe over the counter iron. It is time released and gentle on my stomach. My level was 17 so I hope I can get it up but have heard it can take a while. I will ask about the prescriptioin iron on my next doctors visit. It sounds like a better option with the vit c and only once a day.
I wish I could figure out a way to get my fasting BS down. 97 is almost to the prediabetic level. I feel like I eat a healthy diet now but am going to try and cut out more carbs. Does anyone know how many carbs I should eat per day?
I'm sorry you were diagnosed with metabloic syndrome and hope the metformin brings your numbers in line.

MelodyL 03-15-2008 11:04 AM

HI. Elsie:

What is your family background? Do any of your parents, grandparents or siblings have diabetes??

Thanks. Melody


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