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How long on a GF diet will skew the test results?

 
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aklap



Joined: 02 Oct 2004
Posts: 8602
Location: WI, USA

PostPosted: Thu Sep 21, 2006 11:07 pm    Post subject: How long on a GF diet will skew the test results? Reply with quote

How long on a GF diet will skew the test results?


http://www.clanthompson.com/exp_doctor_showqa.php3?question_id=60&category=Tests%20and%20Their%20Results&category_id=4

Quote:
QUESTION: I have had the blood tests and the antigliadian tested positive. I have been gluten free for about 9 weeks.

DR. RUDERT: Since you have been on a gluten-free for nine weeks, your endoscopy may not reveal Celiac Disease. Patients with Celiac Disease on a gluten-free diet may start to heal and could actually be disease-free by six weeks (patients with dermatitis herpetaformis may take up to six months before their skin lesions resolve on a gluten-free diet).



http://www.clanthompson.com/exp_doctor_showqa.php3?question_id=53&category=Tests%20and%20Their%20Results&category_id=4

Quote:
The anti-reticulin antibody is generally the first to normalize and can do so as early as two weeks. Obviously, if you are not anti-reticulin antibody positive, your blood tests may take longer to normalize and vary according to the individual and possibly the degree of intestinal damage.



Great Smokies Diagnostic Labs

Quote:
IgA Anti-gliadin antibodies (IgA-AGA) and IgG (IgG-AGA)
While these antibodies are less effective than tTG enzymes and EMA in their ability to identify or rule out celiac disease,
they are excellent monitoring tools. IgA-AGA is most effective in assessing compliance to a gluten free diet in IgA competent
individuals. IgA-AGA levels start decreasing one month after gluten elimination, and normalize by 12 months when adhering
to the diet.57 Levels of IgA-AGA have been found to decrease on a gluten free diet even before histological changes are
evident from biopsy evaluation.58

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