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      Frequently Asked Questions About Celiac Disease   04/07/2018

      This Celiac.com FAQ on celiac disease will guide you to all of the basic information you will need to know about the disease, its diagnosis, testing methods, a gluten-free diet, etc.   Subscribe to Celiac.com's FREE weekly eNewsletter   What are the major symptoms of celiac disease? Celiac Disease Symptoms What testing is available for celiac disease?  Celiac Disease Screening Interpretation of Celiac Disease Blood Test Results Can I be tested even though I am eating gluten free? How long must gluten be taken for the serological tests to be meaningful? The Gluten-Free Diet 101 - A Beginner's Guide to Going Gluten-Free Is celiac inherited? Should my children be tested? Ten Facts About Celiac Disease Genetic Testing Is there a link between celiac and other autoimmune diseases? Celiac Disease Research: Associated Diseases and Disorders Is there a list of gluten foods to avoid? Unsafe Gluten-Free Food List (Unsafe Ingredients) Is there a list of gluten free foods? Safe Gluten-Free Food List (Safe Ingredients) Gluten-Free Alcoholic Beverages Distilled Spirits (Grain Alcohols) and Vinegar: Are they Gluten-Free? Where does gluten hide? Additional Things to Beware of to Maintain a 100% Gluten-Free Diet What if my doctor won't listen to me? An Open Letter to Skeptical Health Care Practitioners Gluten-Free recipes: Gluten-Free Recipes
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    CAN HIGH DEFINITION ENDOSCOPY INCREASE CELIAC DISEASE DETECTION?


    Jefferson Adams

    Celiac.com 05/02/2016 - Even with endoscopies, physicians can still miss some cases of celiac disease. A team of researchers recently set out to determine if I-Scan, or virtual chromo-endoscopy, could improve sensitivity of endoscopy to detect markers of villous atrophy in patients with celiac disease.


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    Photo: CC---truthout.orgThe research team included Hugo A. Penny, Peter D. Mooney, Mitchell Burden, Nisha Patel, Alexander J. Johnston, Simon H. Wong, Julian Teare, and David S. Sanders. They are variously affiliated with Royal Hallamshire Hospital in Sheffield, UK, and with St Mary's Hospital in London, UK.

    For their study, the team assessed patients from two UK hospitals in 3 groups.

    • For Group 1, they used standard high definition, white light endoscopy (WLE).
    • For Group 2, they used WLE plus I-Scan.
    • For Group 3, they used a non-high definition control group.

    They recruited an initial group of 758 patients. That group was 62% female, with an average age of 52. They recorded the presence of endoscopic markers, and took at least 4 duodenal biopsies from all patients. They also made concurrent blood tests, and compared observations with patient histology. The patient breakdown was as follows: Group 1: 230; Group 2: 228; Group 3: 300.

    The team made 135 new diagnoses of celiac disease, with 21 cases in Group 1, 24 in Group 2, and 89 in Group 3. The sensitivity for detection of endoscopic markers of villous atrophy was significantly higher in both Group 1 at 85.7% and Group 2 at 75%, compared to non-high definition controls at 41.6%.

    There was no significant difference between high definition only and I-Scan groups.

    In non-high definition endoscopy, they found that missed diagnosis was mainly due to lesser degrees of villous atrophy (p = 0.019) and low tTG titre (p = 0.007).

    From their data, the team concluded that high definition endoscopy with or without I-Scan increases the detection of celiac disease during routine endoscopy.

    Source:


    Image Caption: Can high definition increase the detection of celiac disease during routine endoscopy? Photo: CC--Truthout.org
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    I would like to have read what Iscan actually is in this article. Doing a search for it brings up many different answers.

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  • Related Articles

    Jefferson Adams
    Celiac.com 08/19/2013 - Data from blood studies suggest that about 1% or so of North Americans have celiac disease. However, there is no good screening data based on small intestinal biopsy performed during routine endoscopic evaluations.
    Researcher H.J Freeman recently set out to determine rates of detection of adult celiac disease via duodenal screening biopsies over a thirty year period.
    For his study, he looked at patients referred between January 1982 and December 2011 for evaluation of gastrointestinal symptoms that required elective investigative upper endoscopic assessment, and who underwent duodenal biopsies to determine whether changes of adult celiac disease were present.
    Freeman looked at a total of 9665 patients, including 4008 (41.5%) males and 5657 (68.5%) females, who underwent elective endoscopies and duodenal biopsies.
    Overall, 234 patients (2.4%) exhibited changes of celiac disease. That included 73 males (1.8%) and 161 females (2.8%).
    During the first 20 years, the number of biopsy-positive patients in five-year intervals progressively decreased, while, during the next 10 years, the number progressively increased.
    From this study, the team concludes that celiac disease is far more common in specialist practice than has been suggested in the evaluation of healthy populations using serological screening studies.
    Endoscopic duodenal biopsy is an important way to spot underlying celiac disease and should be routinely considered in all patients undergoing an elective endoscopic evaluation.
    They also note that the appearance of biopsy-defined celiac disease may be influenced by non-inherited factors, possibly environmental, which alter its detection over time.
    Source:
     Can J Gastroenterol. 2013 Jul;27(7):405-8.

    Jefferson Adams
    Celiac.com 08/20/2015 - Celiac disease is frequently mis-diagnosed. Even when patients received endoscopy, celiac disease is often missed or not detected.
    A team of researchers recently assessed the accuracy of finger prick-based point-of-care tests in the detection of celiac disease, and developed an algorithm for diagnosis.
    The research team included PD Mooney, SH Wong, AJ Johnston, M Kurien, A Avgerinos, and DS Sanders. They are variously affiliated with the Royal Hallamshire Hospital, Sheffield, United Kingdom and the University of Sheffield, Sheffield, United Kingdom.
    Their team conducted a prospective study of two groups of celiac disease patients evaluated at the Royal Hallamshire Hospital in Sheffield UK from March 2013 through February 2014.
    In group one, the team evaluated 55 patients at high risk for celiac disease, and who tested positive for endomysial antibody, using the Biocard test (BHR Pharmaceuticals, Nuneaton, UK) and the Celiac Quick Test (Biohit Healthcare UK, Ellesmere Port, UK), which measure antibodies to tissue transglutaminase (anti-tTG), and the Simtomax test (Tillotts Pharma, Rheinfelden, Switzerland), which measures deamidated gliadin peptide antibodies (DGP).
    Group 2 included 508 consecutive patients who received an endoscopy for any reason, received the DGP test, and also were evaluated using a diagnostic algorithm that incorporated results from the DGP test and data on symptoms.
    For both groups, point-of-care tests were administered at the time of endoscopy, and the results compared against results from histologic analyses of duodenal biopsy specimens from all patients.
    In group 1, the DGP test identified patients with celiac disease with 94.4% sensitivity, the Celiac Quick Test identified patients with 77.8% sensitivity (P = .03 vs the DGP test), while the Biocard test identified patients with 72.2% sensitivity (P = .008 vs the DGP test).
    In group 2, the DGP test identified patients with celiac disease with 92.7% sensitivity (95% confidence interval, 83.0-97.3), 85.2% specificity (95% confidence interval, 81.5-88.3), a positive predictive value of 49.2% (95% confidence interval, 40.3-58.2), and a negative predictive value of 98.7% (95% confidence interval, 96.8-99.5).
    Measurement of serum anti-tTG identified patients with celiac disease with 91.2% sensitivity (95% confidence interval, 81.1-96.4), 87.5% specificity (95% confidence interval, 84.0-90.4), a positive predictive value of 53.0% (95% confidence interval, 43.6-62.2), and a negative predictive value of 98.5% (95% confidence interval, 96.5-99.4).
    The algorithm identified patients with celiac disease with 98.5% sensitivity, and has the potential to reduce duodenal biopsies by 35%. In this prospective study, the test for DGP identified celiac patients with comparable sensitivity and specificity as standard serologic analysis of anti-tTG.
    Conducting the DGP test before endoscopy might increase the accuracy of the diagnosis of celiac disease.
    These results look promising, but further study is needed, in lower-prevalence populations, to more accurately determine the potential benefits of the DGP test in celiac screening.

    Source:
    Clin Gastroenterol Hepatol. 2015 Jul;13(7):1278-1284.e1. doi: 10.1016/j.cgh.2015.01.010. Epub 2015 Jan 26.

    Jefferson Adams
    Celiac.com 11/10/2015 - Doctors might not need a biopsy to accurately diagnose celiac disease in asymptomatic children who have elevated anti-tTG, according to the latest study.
    In that study, researchers in Italy evaluated a new biopsy-sparing protocol for diagnosing celiac disease in symptomatic children with high anti-transglutaminase (anti-tTG). Their data showed that this approach might also work in asymptomatic children with elevated antibody levels.
    In 2012, the European Society of Pediatric Gastroenterology, Hematology, and Nutrition (ESPGHAN) published guidelines that said biopsies could be omitted in children and adolescents with signs and symptoms of celiac disease if they met certain guidelines.
    Dr. Francesco Valitutti of Rome's Sapienza University led a team that set out to assess the accuracy of serological tests to diagnose celiac disease in asymptomatic patients in 286 children and adolescents who had been diagnosed with celiac disease.
    Among 196 patients with anti-tTG antibodies at least 10 times ULN and EMA positive, 156 had symptoms and 40 were asymptomatic. More than 90% of the symptomatic children (142/156, 91%) showed severe lesion degree on biopsy, and an even higher percentage of asymptomatic patients (37/40, 92.5%) had severe lesions.
    There was no significant difference in histological damage between the "high-titer" symptomatic and asymptomatic children, according to the September 15th online report in The American Journal of Gastroenterology. Among the EMA positive children with lower titers of anti-tTG antibodies, 70% of symptomatic children and 81% of asymptomatic children showed severe lesions.
    The researchers add that asymptomatic patients should follow a gluten-free diet "as strictly as symptomatic ones, in order to prevent other autoimmune diseases and enteropathy-associated T-cell lymphoma."
    Otherwise, the new guidelines apply to patients with: TTG > 10 times ULN; an EMA of at least 1:80; a positive repeat serology to exclude laboratory error; HLA-DQ2 and/or -8 positivity; and a serological response to a gluten-free diet.
    If the research team can confirm these results in larger, multi-center prospective studies, their 'biopsy-sparing' protocol might be made available "to both symptomatic and asymptomatic patients with anti-tTG antibody titer (at least) 10 times the upper limit of normal (ULN) and anti-endomysial antibodies (EMA) and HLA-DQ2/DQ8 positive," Dr. Valitutti told reporters.
    Source:
    Am J Gastroenterol 2015

    Jefferson Adams
    Celiac.com 11/25/2015 - People with Non-Celiac Gluten Sensitivity (NCGS) suffer intestinal and non-intestinal symptoms when they consume gluten-containing food, but they do not have either celiac disease or wheat allergy.
    Because there is currently no known NCGS biomarker, it is important to develop reliable standard procedures to confirm NCGS diagnosis. A recent scientific paper examines expert recommendations on how the diagnostic protocol should be performed for the confirmation of NCGS.
    The researchers contributing to the paper include Carlo Catassi, Luca Elli, Bruno Bonaz, Gerd Bouma, Antonio Carroccio, Gemma Castillejo, Christophe Cellier, Fernanda Cristofori, Laura de Magistris, Jernej Dolinsek, Walburga Dieterich, Ruggiero Francavilla, Marios Hadjivassiliou, Wolfgang Holtmeier, Ute Körner, Dan A. Leffler, Knut E. A. Lundin, Giuseppe Mazzarella, Chris J. Mulder, Nicoletta Pellegrini, Kamran Rostami, David Sanders, Gry Irene Skodje, Detlef Schuppan, Reiner Ullrich, Umberto Volta, Marianne Williams, Victor F. Zevallos, Yurdagül Zopf, and Alessio Fasano. They are variously affiliated with 26 research institutions worldwide.
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    Under that criteria, a comprehensive diagnosis should measure the patient's clinical response to the gluten-free diet (GFD) and assess the effect of a gluten challenge after a period of treatment with the GFD. Such an evaluation uses a self-administered instrument that relies on a modified version of the Gastrointestinal Symptom Rating Scale.
    In this way, the patient identifies one to three main symptoms that are quantified on a rating scale ranging from 1 to 10.
    Patients then follow a double-blind placebo-controlled gluten challenge by ingesting 8 grams of gluten per day for a one-week challenge followed by a one-week washout of strict GFD, and then moving to the second one-week challenge.
    The gluten-challenge should contain cooked, homogeneously distributed gluten. A variation of at least 30% of one to three main symptoms between the gluten and the placebo challenge should be seen to differentiate between a positive and a negative result.
    These guidelines are designed to help the clinician to reach a firm and positive diagnosis of NCGS and facilitate the comparisons of different studies.
    Source:
    Am J Gastroenterol. 2015 Sep 29. doi: 10.1038/ajg.2015.296.

  • Recent Articles

    Jefferson Adams
    Celiac.com 04/23/2018 - A team of researchers recently set out to learn whether celiac disease patients commonly suffer cognitive impairment at the time they are diagnosed, and to compare their cognitive performance with non-celiac subjects with similar chronic symptoms and to a group of healthy control subjects.
    The research team included G Longarini, P Richly, MP Temprano, AF Costa, H Vázquez, ML Moreno, S Niveloni, P López, E Smecuol, R Mazure, A González, E Mauriño, and JC Bai. They are variously associated with the Small Bowel Section, Department of Medicine, Dr. C. Bonorino Udaondo Gastroenterology Hospital; Neurocience Cognitive and Traslational Institute (INECO), Favaloro Fundation, CONICET, Buenos Aires; the Brain Health Center (CESAL), Quilmes, Argentina; the Research Council, MSAL, CABA; and with the Research Institute, School of Medicine, Universidad del Salvador.
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    A total of thirty-three subjects were diagnosed with celiac disease. Compared with the 26 healthy control subjects, the 17 celiac disease subjects, and the 17 disease control subjects, who mostly had irritable bowel syndrome, showed impaired cognitive performance (P=0.02 and P=0.04, respectively), functional impairment (P<0.01), and higher depression (P<0.01). 
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    Source:
    J Clin Gastroenterol. 2018 Mar 1. doi: 10.1097/MCG.0000000000001018.

    Connie Sarros
    Celiac.com 04/21/2018 - Dear Friends and Readers,
    I have been writing articles for Scott Adams since the 2002 Summer Issue of the Scott-Free Press. The Scott-Free Press evolved into the Journal of Gluten Sensitivity. I felt honored when Scott asked me ten years ago to contribute to his quarterly journal and it's been a privilege to write articles for his publication ever since.
    Due to personal health reasons and restrictions, I find that I need to retire. My husband and I can no longer travel the country speaking at conferences and to support groups (which we dearly loved to do) nor can I commit to writing more books, articles, or menus. Consequently, I will no longer be contributing articles to the Journal of Gluten Sensitivity. 
    My following books will still be available at Amazon.com:
    Gluten-free Cooking for Dummies Student's Vegetarian Cookbook for Dummies Wheat-free Gluten-free Dessert Cookbook Wheat-free Gluten-free Reduced Calorie Cookbook Wheat-free Gluten-free Cookbook for Kids and Busy Adults (revised version) My first book was published in 1996. My journey since then has been incredible. I have met so many in the celiac community and I feel blessed to be able to call you friends. Many of you have told me that I helped to change your life – let me assure you that your kind words, your phone calls, your thoughtful notes, and your feedback throughout the years have had a vital impact on my life, too. Thank you for all of your support through these years.

    Jefferson Adams
    Celiac.com 04/20/2018 - A digital media company and a label data company are teaming up to help major manufacturers target, reach and convert their desired shoppers based on dietary needs, such as gluten-free diet. The deal could bring synergy in emerging markets such as the gluten-free and allergen-free markets, which represent major growth sectors in the global food industry. 
    Under the deal, personalized digital media company Catalina will be joining forces with Label Insight. Catalina uses consumer purchases data to target shoppers on a personal base, while Label Insight works with major companies like Kellogg, Betty Crocker, and Pepsi to provide insight on food label data to government, retailers, manufacturers and app developers.
    "Brands with very specific product benefits, gluten-free for example, require precise targeting to efficiently reach and convert their desired shoppers,” says Todd Morris, President of Catalina's Go-to-Market organization, adding that “Catalina offers the only purchase-based targeting solution with this capability.” 
    Label Insight’s clients include food and beverage giants such as Unilever, Ben & Jerry's, Lipton and Hellman’s. Label Insight technology has helped the Food and Drug Administration (FDA) build the sector’s very first scientifically accurate database of food ingredients, health attributes and claims.
    Morris says the joint partnership will allow Catalina to “enhance our dataset and further increase our ability to target shoppers who are currently buying - or have shown intent to buy - in these emerging categories,” including gluten-free, allergen-free, and other free-from foods.
    The deal will likely make for easier, more precise targeting of goods to consumers, and thus provide benefits for manufacturers and retailers looking to better serve their retail food customers, especially in specialty areas like gluten-free and allergen-free foods.
    Source:
    fdfworld.com

    Jefferson Adams
    Celiac.com 04/19/2018 - Previous genome and linkage studies indicate the existence of a new disease triggering mechanism that involves amino acid metabolism and nutrient sensing signaling pathways. In an effort to determine if amino acids might play a role in the development of celiac disease, a team of researchers recently set out to investigate if plasma amino acid levels differed among children with celiac disease compared with a control group.
     
    The research team included Åsa Torinsson Naluai, Ladan Saadat Vafa, Audur H. Gudjonsdottir, Henrik Arnell, Lars Browaldh, and Daniel Agardh. They are variously affiliated with the Institute of Biomedicine, Department of Microbiology & Immunology, Sahlgrenska Academy, University of Gothenburg, Gothenburg, Sweden; the Institute of Clinical Sciences, Sahlgrenska Academy at the University of Gothenburg, Gothenburg, Sweden; the Department of Pediatric Gastroenterology, Hepatology and Nutrition, Karolinska University Hospital and Division of Pediatrics, CLINTEC, Karolinska Institute, Stockholm, Sweden; the Department of Clinical Science and Education, Karolinska Institute, Sodersjukhuset, Stockholm, Sweden; the Department of Mathematical Sciences, Chalmers University of Technology, Gothenburg, Sweden; the Diabetes & Celiac Disease Unit, Department of Clinical Sciences, Lund University, Malmö, Sweden; and with the Nathan S Kline Institute in the U.S.A.
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    Compared with the control group, seven out of twenty-three children with celiac disease showed elevated levels of the the following amino acids: tryptophan; taurine; glutamic acid; proline; ornithine; alanine; and methionine.
    The significance of the individual amino acids do not survive multiple correction, however, multivariate analyses of the amino acid profile showed significantly altered amino acid levels in children with celiac disease overall and after correction for age, sex and experimental effects.
    This study shows that amino acids can influence inflammation and may play a role in the development of celiac disease.
    Source:
    PLoS One. 2018; 13(3): e0193764. doi: & 10.1371/journal.pone.0193764

    Jefferson Adams
    Celiac.com 04/18/2018 - To the relief of many bewildered passengers and crew, no more comfort turkeys, geese, possums or other questionable pets will be flying on Delta or United without meeting the airlines' strict new requirements for service animals.
    If you’ve flown anywhere lately, you may have seen them. People flying with their designated “emotional support” animals. We’re not talking genuine service animals, like seeing eye dogs, or hearing ear dogs, or even the Belgian Malinois that alerts its owner when there is gluten in food that may trigger her celiac disease.
    Now, to be honest, some of those animals in question do perform a genuine service for those who need emotional support dogs, like veterans with PTSD.
    However, many of these animals are not service animals at all. Many of these animals perform no actual service to their owners, and are nothing more than thinly disguised pets. Many lack proper training, and some have caused serious problems for the airlines and for other passengers.
    Now the major airlines are taking note and introducing stringent requirements for service animals.
    Delta was the first to strike. As reported by the New York Times on January 19: “Effective March 1, Delta, the second largest US airline by passenger traffic, said it will require passengers seeking to fly with pets to present additional documents outlining the passenger’s need for the animal and proof of its training and vaccinations, 48 hours prior to the flight.… This comes in response to what the carrier said was a 150 percent increase in service and support animals — pets, often dogs, that accompany people with disabilities — carried onboard since 2015.… Delta said that it flies some 700 service animals a day. Among them, customers have attempted to fly with comfort turkeys, gliding possums, snakes, spiders, and other unusual pets.”
    Fresh from an unsavory incident with an “emotional support” peacock incident, United Airlines has followed Delta’s lead and set stricter rules for emotional support animals. United’s rules also took effect March 1, 2018.
    So, to the relief of many bewildered passengers and crew, no more comfort turkeys, geese, possums or other questionable pets will be flying on Delta or United without meeting the airlines' strict new requirements for service and emotional support animals.
    Source:
    cnbc.com