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Thread: 9 years since borderline sweat & 1 gene mutation found. Retest??

  1. #1
    Senior Member
    Join Date
    Apr 2010
    Posts
    120

    9 years since borderline sweat & 1 gene mutation found. Retest??

    Hi, Iím back on here stalking all of the forums looking for answers. Itís been quite a while since I posted last. A quick refresher, my daughter had 2 sweat tests done in 2010 with results of 40 & 44. Genetic testing was done and showed the gene G576A and 7t,7t. She was followed by a pulmonologist for about 7 years. They never diagnosed her with cf but were puzzled by her health problems. She has undergone many tests. To make this short, she had recurring pneumonia, digestive issues, sinus infections, ear infections, and is currently have severe upper abdominal pain. We are suspecting gallbladder. She goes for an ultrasound in a few days. She is 17 now and hasnít had lung problems (besides a chronic cough) or sinus issues for a few years now. She was diagnosed with POTS 2 years ago. She is extremely pale, sweaty hands and feet. I guess the reason Iím here is to see if retesting would change the results since it has been 9 years? Does your sweat levels change over time? I know more mutations are found regularly, so should she have genetic testing done again? I was looking up gallbladder function and for pediatric gallbladder problems it said it could be related to cf!? I should mention that all her testing was done at an accredited cf center. MUSC in Charleston, SC. Thanks for any advice! I am very thankful for this site and all of the information I have attained for you all.

    -Erin

  2. #2
    Senior Member
    Join Date
    Sep 2016
    Posts
    221
    Sweat tests can change, but genetic testing does not. Genetic testing is the only 100% accurate way to determine if someone has CF. Some people have had low sweat tests results, but are still diagnosed with CF when genetic testing is done.

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