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Gatti S, Rubio-Tapia A, Makharia G, Catassi C. Patient and Community Health Global Burden in a World With More Celiac Disease. Gastroenterology 2024; 167:23-33. [PMID: 38309629 DOI: 10.1053/j.gastro.2024.01.035] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/20/2023] [Revised: 01/21/2024] [Accepted: 01/22/2024] [Indexed: 02/05/2024]
Abstract
Celiac disease is one of the most common life-long disorders worldwide, with a prevalence mostly ranging between 0.7% and 2.9% in the general population and a higher frequency in females and well-defined at-risk groups, such as relatives of affected individuals and patients with autoimmune comorbidities. Increasing clinical detection is facilitated by improving awareness, implementation of a case-finding approach, and serology availability for screening at-risk patients, among other factors. Nevertheless, due to huge clinical variability, many celiac disease cases still escape diagnosis in most countries, unless actively searched by proactive policies. The burden of celiac disease is increasing, as is the need for better longitudinal care. Pediatric screening of the general population could represent the road ahead for an efficient intervention of secondary prevention aimed to reduce the social and health burden of celiac disease. This review analyses the epidemiology of celiac disease continent by continent, discusses current strategies to improve the detection of celiac disease, and highlights challenges related to the burden of celiac disease globally.
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Affiliation(s)
- Simona Gatti
- Department of Pediatrics, Polytechnic University of Marche, Ancona, Italy
| | - Alberto Rubio-Tapia
- Celiac Disease Program, Division of Gastroenterology, Hepatology, and Nutrition, Digestive Disease Institute, Cleveland Clinic, Cleveland, Ohio
| | - Govind Makharia
- Department of Gastroenterology and Human Nutrition, All India Institute of Medical Sciences, New Delhi, India
| | - Carlo Catassi
- Department of Pediatrics, Polytechnic University of Marche, Ancona, Italy.
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Jansson-Knodell CL, Celdir MG, Hujoel IA, Lyu R, Gardinier D, Weekley K, Prokop LJ, Rubio-Tapia A. Relationship between gluten availability and celiac disease prevalence: A geo-epidemiologic systematic review. J Gastroenterol Hepatol 2023; 38:1695-1709. [PMID: 37332011 DOI: 10.1111/jgh.16260] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/10/2023] [Revised: 05/04/2023] [Accepted: 05/31/2023] [Indexed: 06/20/2023]
Abstract
Celiac disease is a global disease requiring genetic susceptibility and gluten exposure to trigger immune-mediated enteropathy. The effect of the degree of gluten-containing grain availability on celiac disease prevalence is unknown. Our objective was to compare country-based gluten availability to celiac prevalence using a systematic literature review. We searched MEDLINE, Embase, Cochrane, and Scopus until May 2021. We included population-based serum screening with confirmatory testing (second serological study or small intestine biopsy) and excluded specific, high-risk, or referral populations. We determined country-specific gluten availability using the United Nations food balance for wheat, barley, and rye. Human leukocyte antigen (HLA) frequencies were obtained from allelefrequencies.net. The primary outcome was association between gluten-containing grain availability and celiac disease prevalence. Generalized linear mixed models method with Poisson's link was used for analysis. We identified 5641 articles and included 120 studies on 427 146 subjects from 41 countries. Celiac disease prevalence was 0-3.1%, median 0.75% (interquartile range 0.35, 1.22). Median wheat supply was 246 g/capita/day (interquartile range 214.8, 360.7). The risk ratio (RR) for wheat availability on celiac disease was 1.002 (95% confidence interval [CI]: 1.0001, 1.004, P = 0.036). A protective association was seen with barley, RR 0.973 (95% CI: 0.956, 0.99, P = 0.003), and rye, RR 0.989 (95% CI: 0.982, 0.997, P = 0.006). The RR for gross domestic product on celiac disease prevalence was 1.009 (95% CI: 1.005, 1.014, P < 0.001). The RR for HLA-DQ2 was 0.982 (95% CI: 0.979, 0.986, P < 0.001), and that for HLA-DQ8 was 0.957 (95% CI: 0.950, 0.964, P < 0.001). In this geo-epidemiologic study, gluten-containing grain availability showed mixed associations with celiac disease prevalence.
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Affiliation(s)
- Claire L Jansson-Knodell
- Division of Gastroenterology, Hepatology, and Nutrition, Digestive Disease and Surgery Institute, Cleveland Clinic, Cleveland, Ohio, USA
| | - Melis G Celdir
- Department of Gastroenterology, University of Iowa Hospitals and Clinics, Iowa City, Iowa, USA
| | - Isabel A Hujoel
- Department of Gastroenterology, University of Washington, Seattle, Washington, USA
| | - Ruishen Lyu
- Department of Quantitative Health Sciences, Cleveland Clinic, Cleveland, Ohio, USA
| | - David Gardinier
- Division of Gastroenterology, Hepatology, and Nutrition, Digestive Disease and Surgery Institute, Cleveland Clinic, Cleveland, Ohio, USA
| | - Kendra Weekley
- Division of Gastroenterology, Hepatology, and Nutrition, Digestive Disease and Surgery Institute, Cleveland Clinic, Cleveland, Ohio, USA
| | - Larry J Prokop
- Mayo Clinic Libraries, Mayo Clinic, Rochester, Minnesota, USA
| | - Alberto Rubio-Tapia
- Division of Gastroenterology, Hepatology, and Nutrition, Digestive Disease and Surgery Institute, Cleveland Clinic, Cleveland, Ohio, USA
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Elwenspoek MM, Thom H, Sheppard AL, Keeney E, O'Donnell R, Jackson J, Roadevin C, Dawson S, Lane D, Stubbs J, Everitt H, Watson JC, Hay AD, Gillett P, Robins G, Jones HE, Mallett S, Whiting PF. Defining the optimum strategy for identifying adults and children with coeliac disease: systematic review and economic modelling. Health Technol Assess 2022; 26:1-310. [PMID: 36321689 PMCID: PMC9638887 DOI: 10.3310/zuce8371] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022] Open
Abstract
BACKGROUND Coeliac disease is an autoimmune disorder triggered by ingesting gluten. It affects approximately 1% of the UK population, but only one in three people is thought to have a diagnosis. Untreated coeliac disease may lead to malnutrition, anaemia, osteoporosis and lymphoma. OBJECTIVES The objectives were to define at-risk groups and determine the cost-effectiveness of active case-finding strategies in primary care. DESIGN (1) Systematic review of the accuracy of potential diagnostic indicators for coeliac disease. (2) Routine data analysis to develop prediction models for identification of people who may benefit from testing for coeliac disease. (3) Systematic review of the accuracy of diagnostic tests for coeliac disease. (4) Systematic review of the accuracy of genetic tests for coeliac disease (literature search conducted in April 2021). (5) Online survey to identify diagnostic thresholds for testing, starting treatment and referral for biopsy. (6) Economic modelling to identify the cost-effectiveness of different active case-finding strategies, informed by the findings from previous objectives. DATA SOURCES For the first systematic review, the following databases were searched from 1997 to April 2021: MEDLINE® (National Library of Medicine, Bethesda, MD, USA), Embase® (Elsevier, Amsterdam, the Netherlands), Cochrane Library, Web of Science™ (Clarivate™, Philadelphia, PA, USA), the World Health Organization International Clinical Trials Registry Platform ( WHO ICTRP ) and the National Institutes of Health Clinical Trials database. For the second systematic review, the following databases were searched from January 1990 to August 2020: MEDLINE, Embase, Cochrane Library, Web of Science, Kleijnen Systematic Reviews ( KSR ) Evidence, WHO ICTRP and the National Institutes of Health Clinical Trials database. For prediction model development, Clinical Practice Research Datalink GOLD, Clinical Practice Research Datalink Aurum and a subcohort of the Avon Longitudinal Study of Parents and Children were used; for estimates for the economic models, Clinical Practice Research Datalink Aurum was used. REVIEW METHODS For review 1, cohort and case-control studies reporting on a diagnostic indicator in a population with and a population without coeliac disease were eligible. For review 2, diagnostic cohort studies including patients presenting with coeliac disease symptoms who were tested with serological tests for coeliac disease and underwent a duodenal biopsy as reference standard were eligible. In both reviews, risk of bias was assessed using the quality assessment of diagnostic accuracy studies 2 tool. Bivariate random-effects meta-analyses were fitted, in which binomial likelihoods for the numbers of true positives and true negatives were assumed. RESULTS People with dermatitis herpetiformis, a family history of coeliac disease, migraine, anaemia, type 1 diabetes, osteoporosis or chronic liver disease are 1.5-2 times more likely than the general population to have coeliac disease; individual gastrointestinal symptoms were not useful for identifying coeliac disease. For children, women and men, prediction models included 24, 24 and 21 indicators of coeliac disease, respectively. The models showed good discrimination between patients with and patients without coeliac disease, but performed less well when externally validated. Serological tests were found to have good diagnostic accuracy for coeliac disease. Immunoglobulin A tissue transglutaminase had the highest sensitivity and endomysial antibody the highest specificity. There was little improvement when tests were used in combination. Survey respondents (n = 472) wanted to be 66% certain of the diagnosis from a blood test before starting a gluten-free diet if symptomatic, and 90% certain if asymptomatic. Cost-effectiveness analyses found that, among adults, and using serological testing alone, immunoglobulin A tissue transglutaminase was most cost-effective at a 1% pre-test probability (equivalent to population screening). Strategies using immunoglobulin A endomysial antibody plus human leucocyte antigen or human leucocyte antigen plus immunoglobulin A tissue transglutaminase with any pre-test probability had similar cost-effectiveness results, which were also similar to the cost-effectiveness results of immunoglobulin A tissue transglutaminase at a 1% pre-test probability. The most practical alternative for implementation within the NHS is likely to be a combination of human leucocyte antigen and immunoglobulin A tissue transglutaminase testing among those with a pre-test probability above 1.5%. Among children, the most cost-effective strategy was a 10% pre-test probability with human leucocyte antigen plus immunoglobulin A tissue transglutaminase, but there was uncertainty around the most cost-effective pre-test probability. There was substantial uncertainty in economic model results, which means that there would be great value in conducting further research. LIMITATIONS The interpretation of meta-analyses was limited by the substantial heterogeneity between the included studies, and most included studies were judged to be at high risk of bias. The main limitations of the prediction models were that we were restricted to diagnostic indicators that were recorded by general practitioners and that, because coeliac disease is underdiagnosed, it is also under-reported in health-care data. The cost-effectiveness model is a simplification of coeliac disease and modelled an average cohort rather than individuals. Evidence was weak on the probability of routine coeliac disease diagnosis, the accuracy of serological and genetic tests and the utility of a gluten-free diet. CONCLUSIONS Population screening with immunoglobulin A tissue transglutaminase (1% pre-test probability) and of immunoglobulin A endomysial antibody followed by human leucocyte antigen testing or human leucocyte antigen testing followed by immunoglobulin A tissue transglutaminase with any pre-test probability appear to have similar cost-effectiveness results. As decisions to implement population screening cannot be made based on our economic analysis alone, and given the practical challenges of identifying patients with higher pre-test probabilities, we recommend that human leucocyte antigen combined with immunoglobulin A tissue transglutaminase testing should be considered for adults with at least a 1.5% pre-test probability of coeliac disease, equivalent to having at least one predictor. A more targeted strategy of 10% pre-test probability is recommended for children (e.g. children with anaemia). FUTURE WORK Future work should consider whether or not population-based screening for coeliac disease could meet the UK National Screening Committee criteria and whether or not it necessitates a long-term randomised controlled trial of screening strategies. Large prospective cohort studies in which all participants receive accurate tests for coeliac disease are needed. STUDY REGISTRATION This study is registered as PROSPERO CRD42019115506 and CRD42020170766. FUNDING This project was funded by the National Institute for Health and Care Research ( NIHR ) Health Technology Assessment programme and will be published in full in Health Technology Assessment; Vol. 26, No. 44. See the NIHR Journals Library website for further project information.
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Affiliation(s)
- Martha Mc Elwenspoek
- National Institute for Health and Care Research Applied Research Collaboration West, University Hospitals Bristol NHS Foundation Trust, Bristol, UK
- Population Health Sciences, Bristol Medical School, University of Bristol, Bristol, UK
| | - Howard Thom
- Population Health Sciences, Bristol Medical School, University of Bristol, Bristol, UK
| | - Athena L Sheppard
- National Institute for Health and Care Research Applied Research Collaboration West, University Hospitals Bristol NHS Foundation Trust, Bristol, UK
- Population Health Sciences, Bristol Medical School, University of Bristol, Bristol, UK
- Department of Health Sciences, University of Leicester, Leicester, UK
| | - Edna Keeney
- Population Health Sciences, Bristol Medical School, University of Bristol, Bristol, UK
| | - Rachel O'Donnell
- National Institute for Health and Care Research Applied Research Collaboration West, University Hospitals Bristol NHS Foundation Trust, Bristol, UK
- Population Health Sciences, Bristol Medical School, University of Bristol, Bristol, UK
| | - Joni Jackson
- National Institute for Health and Care Research Applied Research Collaboration West, University Hospitals Bristol NHS Foundation Trust, Bristol, UK
- Population Health Sciences, Bristol Medical School, University of Bristol, Bristol, UK
| | - Cristina Roadevin
- Population Health Sciences, Bristol Medical School, University of Bristol, Bristol, UK
| | - Sarah Dawson
- Population Health Sciences, Bristol Medical School, University of Bristol, Bristol, UK
| | | | | | - Hazel Everitt
- Primary Care Research Centre, Population Sciences and Medical Education, University of Southampton, Southampton, UK
| | - Jessica C Watson
- Population Health Sciences, Bristol Medical School, University of Bristol, Bristol, UK
| | - Alastair D Hay
- Population Health Sciences, Bristol Medical School, University of Bristol, Bristol, UK
| | - Peter Gillett
- Paediatric Gastroenterology, Hepatology and Nutrition Department, Royal Hospital for Sick Children, Edinburgh, UK
| | - Gerry Robins
- Department of Gastroenterology, York Teaching Hospital NHS Foundation Trust, York, UK
| | - Hayley E Jones
- Population Health Sciences, Bristol Medical School, University of Bristol, Bristol, UK
| | - Sue Mallett
- Centre for Medical Imaging, University College London, London, UK
| | - Penny F Whiting
- Population Health Sciences, Bristol Medical School, University of Bristol, Bristol, UK
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Bradauskiene V, Vaiciulyte-Funk L, Martinaitiene D, Andruskiene J, Verma AK, Lima JPM, Serin Y, Catassi C. Wheat consumption and prevalence of celiac disease: Correlation from a multilevel analysis. Crit Rev Food Sci Nutr 2021; 63:18-32. [PMID: 34184959 DOI: 10.1080/10408398.2021.1939650] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Abstract
Celiac disease (CD) is triggered by both genetic and environmental factors. More than 1% of the world's population is affected by CD. In recent years, studies have confirmed a worldwide rising trend in CD prevalence. "Westernized diet" is one of the main factors of this increasing prevalence. However, the relationship between wheat consumption, its dynamics, and CD has not been adequately investigated on a global scale. This study aimed to perform a multilevel analysis of the association between wheat consumption and CD. Wheat consumption data from countries and continents were obtained from the database. The relative increase/decrease in wheat consumption over a long period (since 1961) and a short period (since 2004) were calculated using various statistical tools. The relationship between wheat consumption and celiac frequency was determined using the R-commander R package version 2.6-2. Pearson's correlation coefficient (r = 0.88) confirmed a high positive correlation between wheat consumption and the prevalence of biopsy-proven CD by estimating continent-wide wheat consumption data, but an insignificant correlation was found when the data were compared country-wide.
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Affiliation(s)
- Vijole Bradauskiene
- Food Institute, Kaunas University of Technology, Kaunas, Lithuania.,Department of Food Technology and Nutrition, Faculty of Technology, Klaipeda State University of Applied Sciences, Klaipeda, Lithuania
| | | | - Dalia Martinaitiene
- Department of Food Technology and Nutrition, Faculty of Technology, Klaipeda State University of Applied Sciences, Klaipeda, Lithuania.,Laboratory of Behavioral Medicine of Neuroscience Institute of Lithuanian University of Health Sciences, Palanga, Lithuania
| | - Jurgita Andruskiene
- Department of Oral Care, Faculty of Health Sciences, Klaipeda State University of Applied Sciences, Klaipeda, Lithuania
| | - Anil K Verma
- Celiac Disease Research Laboratory, Department of Pediatrics, Polytechnic University of Marche, Ancona, Italy
| | - João P M Lima
- Scientific-Pedagogical Unit of Dietetics and Nutrition, Polytechnic Institute of Coimbra, Coimbra Health School, Coimbra, Portugal.,GreenUPorto - Sustainable Agrifood Production Research Centre, Porto, Portugal.,ciTechCare - Center for Innovative Care and Health Technology, Leiria, Portugal
| | - Yeliz Serin
- Department of Nutrition and Dietetics, Faculty of Health Sciences, Gazi University, Ankara, Turkey
| | - Carlo Catassi
- Department of Pediatrics, Polytechnic University of Marche, Ancona, Italy.,Mucosal Immunology and Biology Research Center, Division of Pediatric Gastroenterology and Nutrition, Massachusetts General Hospital, Boston, Massachusetts, USA
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Seroprevalence of Antitransglutaminase and Antiendomysium Antibodies in Adult Colombian Blood Bank Donors. Can J Gastroenterol Hepatol 2020; 2020:7541941. [PMID: 33335872 PMCID: PMC7723479 DOI: 10.1155/2020/7541941] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/30/2019] [Revised: 11/10/2020] [Accepted: 11/20/2020] [Indexed: 12/12/2022] Open
Abstract
Celiac disease (CD) is an autoimmune enteropathy induced by the ingestion of gluten from wheat, barley, and rye in genetically susceptible individuals. The global prevalence of CD is 1.4%. However, most of the prevalence studies have been conducted in Caucasian populations; few studies have been performed in Latin America. The aim of this study is to determine the seroprevalence of auto-antibodies used as markers for CD in a Colombian cohort. In this cross-sectional study, the serum samples from Colombian donors of the National Red Cross Blood Bank were collected between June and September 2017 in Bogotá, Colombia. All sera were tested for IgA antitissue transglutaminase (TTG) by enzyme-linked immunosorbent assay. Seropositive sera were tested for IgA antiendomysium (EMA) using indirect immunofluorescence assay. The ancestral genetic composition was determined in donor samples with antibody assay reactivity. Those with two seroreactive assays were typed for HLA class II DQ2 and DQ8. In total, 228 blood donors participated in the study. Among them, 113 were females (49.56%) with an average age of 31.63 years (SD ± 12.99); males had an average of 34.71 years (SD ± 13.01). Only 3 (1.31%) donors reported chronic diarrhea and nonintentional weight loss; 11 (4.82%) had a family history of CD. For the serological assays, 11 donors (4.82%) were seroreactive to IgA anti-TTG: 3 had high reactivity and 8 had low reactivity. Of those seroreactive to IgA anti-TTG, 3 (1.32%) were also seroreactive to anti-EMA, and they were typed as HLA-DQ8 or HLA-DQ2. The baseline ancestral percentage of the seroreactive donors was higher for European and Native American than for African genes. The seroprevalence for anti-TTG and anti-EMA with the presence of HLA-DQ8 and HLA-DQ2 was 1.32%. Additionally, 4.82% donor participants were reactive only for anti-TTG. Compared with other studies, our findings suggest that Colombia has a high prevalence of CD markers.
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The Epidemiology of Celiac Disease in the General Population and High-Risk Groups in Arab Countries: A Systematic Review. BIOMED RESEARCH INTERNATIONAL 2020; 2020:6865917. [PMID: 32596351 PMCID: PMC7292982 DOI: 10.1155/2020/6865917] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 01/15/2020] [Revised: 05/11/2020] [Accepted: 05/16/2020] [Indexed: 12/12/2022]
Abstract
Background and Aims Celiac disease (CD) is possibly the most common autoimmune disorder, which may lead to dietary problems in the Arab region. This paper is aimed at exploring the epidemiology of the celiac disease in Arab countries, including its prevalence, associated risk factors, and clinical patterns. Methods An extensive search of the literature was conducted from electronic databases such as PubMed, Embase, and Google Scholar. In total, 134 research papers were retrieved. We extracted studies published from January 1996 to December 2019. Our search was limited to studies published in English. Findings. The review included 35 studies with 22,340 participants from 12 countries and demonstrated a wide variation in the prevalence of CD. The highest prevalence among the general population (3.2%) was reported in Saudi Arabia, and the lowest (0.1%) was reported in Tunisia. Women demonstrated a higher prevalence of celiac disease relative to men. The peak age at diagnosis fell between 1 and 3 years and 9-10 years. Most studies focused on type 1 diabetes. Children with type 1 diabetes have a higher prevalence of CD (range from 5.5% to 20%), while the prevalence of CD in Down's syndrome patients was 1.1% and 10.7% in UAE and Saudi Arabia, respectively. Other autoimmune diseases associated with CD are thyroid disease and irritable bowel disease. The most widely recognized clinical presentation was an inability to flourish and poor weight gain, followed by short stature, abdominal pain, abdominal distension, bloating, and chronic diarrhea. Conclusion The prevalence of the celiac disease in Arab countries varies with sex and age. However, we found that celiac disease presented similar clinical characteristics independent of the geographic region. Longitudinal population-based studies are needed to better identify the true burden and determinants of celiac disease.
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Jansson-Knodell CL, Hujoel IA, West CP, Taneja V, Prokop LJ, Rubio-Tapia A, Murray JA. Sex Difference in Celiac Disease in Undiagnosed Populations: A Systematic Review and Meta-analysis. Clin Gastroenterol Hepatol 2019; 17:1954-1968.e13. [PMID: 30448593 DOI: 10.1016/j.cgh.2018.11.013] [Citation(s) in RCA: 30] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/05/2018] [Revised: 10/29/2018] [Accepted: 11/02/2018] [Indexed: 02/07/2023]
Abstract
BACKGROUND & AIMS A higher proportion of female vs male patients receive a diagnosis of celiac disease. Little is known about sex-based differences in the prevalence of celiac disease in undiagnosed populations. We aimed to address this knowledge gap with a systematic review and meta-analysis. METHODS We searched MEDLINE, Embase, Cochrane, and Scopus databases through 2017 for studies of screen-detected or undiagnosed celiac disease. Our final analysis included studies that included screening and confirmatory tests (either second serologic analysis or a small intestine biopsy) and provided information on the sex of participants. Studies were excluded if they were performed with specific, high-risk, or referral populations. The primary outcome was the percentage of undetected celiac disease among female and male patients. RESULTS We identified 4070 articles and analyzed data from 87. Our meta-analysis comprised data from 291,969 study participants. The pooled prevalence of undetected celiac disease in female participants was 0.589% (95% CI, 0.549%-0.629%) and in male participants was 0.415% (95% CI, 0.343%-0.487%). The risk of undetected celiac disease was higher among female than male participants (relative risk [RR], 1.42; 95% CI, 1.27-1.57; P < .00001). The I2 was 5% (low heterogeneity among studies). In subgroup analyses, the RR of celiac disease for girls vs boys was 1.79 (95% CI, 1.44-2.22; P < .00001; I2 = 18%), the RR for female vs male blood donors was 1.13 (95% CI, 0.76-1.69; P = .54; I2 = 0), and the RR for women vs men with villous atrophy was 1.38 (95% CI, 1.07-1.79; P = .01; I2 = 0). CONCLUSIONS In a systematic review and meta-analysis, we found a higher risk for celiac disease in women than men in an undiagnosed populations (identified through general population screening). The increased risk for celiac disease among girls and women should be considered for screening, diagnosis, and management strategies.
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Affiliation(s)
| | - Isabel A Hujoel
- Department of Internal Medicine, Mayo Clinic, Rochester, Minnesota
| | - Colin P West
- Division of General Internal Medicine, Mayo Clinic, Rochester, Minnesota; Division of Biomedical Statistics and Informatics, Department of Health Sciences Research, Mayo Clinic, Rochester, Minnesota
| | - Veena Taneja
- Department of Immunology, Mayo Clinic, Rochester, Minnesota
| | | | - Alberto Rubio-Tapia
- Division of Gastroenterology and Hepatology, Department of Medicine, Mayo Clinic, Rochester, Minnesota
| | - Joseph A Murray
- Division of Gastroenterology and Hepatology, Department of Medicine, Mayo Clinic, Rochester, Minnesota.
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Celiac Disease in Brazilian First-degree Relatives: The Odds Are Five Times Greater for HLA DQ2 Homozygous. J Pediatr Gastroenterol Nutr 2019; 68:e77-e80. [PMID: 30601367 DOI: 10.1097/mpg.0000000000002251] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
First-degree relatives (FDRs) of 47 outpatients with celiac disease (CD) answered a questionnaire about symptoms related to CD and were investigated for human leukocyte antigen (HLA)-DQ2, DQB102 homozygosis, and DQ8 alleles. Genetically susceptible individuals were tested for antitransglutaminase antibody immunoglobulin A. Seropositive FDR underwent small bowel biopsies.From 114 FDR, 74.5% (n = 85) were positive for DQ2, DQ8, or both haplotypes. Homozygosity of DQB102 was found in 11.4% (n = 13) individuals. Three FDR were previously diagnosed with CD. Among the genetically susceptible individuals, 67.1% had at least 1 symptom related to CD. Seropositivity was 8/82 (9.8%), and 4/8 biopsies were compatible with CD. Therefore, the total number of FDR with CD was 6.1% (7/114), 95% confidence interval (1.71, 10.49). Three out of 7 FDR with CD were HLA DQB102 homozygous. The odds of being CD is 5 times, 95% confidence interval (0.99, 26.23), greater for HLA DQ B102 homozygous in FDR.
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Laszkowska M, Mahadev S, Sundström J, Lebwohl B, Green PHR, Michaelsson K, Ludvigsson JF. Systematic review with meta-analysis: the prevalence of coeliac disease in patients with osteoporosis. Aliment Pharmacol Ther 2018; 48:590-597. [PMID: 29984519 DOI: 10.1111/apt.14911] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/27/2018] [Revised: 03/25/2018] [Accepted: 06/24/2018] [Indexed: 12/12/2022]
Abstract
BACKGROUND Earlier studies have produced highly varying risk estimates for the prevalence of coeliac disease (CD) in osteoporosis. AIMS To investigate the prevalence of CD among individuals with osteoporosis. METHODS We conducted a systematic review of articles published in PubMed, Medline or EMBASE through May 2017 to identify studies looking at prevalence of CD in patients with osteoporosis. Search terms included "coeliac disease" combined with "fractures", "bone disease", "bone density", "densitometry", "osteoporos*", "osteomal*", "osteodys" or "dexa" or "dxa" or "skelet". Non-English papers with English-language abstracts were included. We used fixed-effects inverse variance-weighted models, and tested heterogeneity through subgroup analysis as well as through meta-regression. RESULTS We identified eight relevant studies, comprising data from 3188 individuals with osteoporosis. Of these, 59 individuals (1.9%) had CD. A weighted pooled analysis demonstrated biopsy-confirmed CD in 1.6% (95% CI = 1.1%-2.0%) of individuals with osteoporosis. The heterogeneity was moderate (I2 = 40.1%), and influenced by the underlying CD prevalence in the general population. After adding four studies (n = 814) with CD defined as positive tissue transglutaminase or endomysial antibodies, the pooled prevalence was comparable (1.6%; 95% CI = 1.2%-2.0%). CONCLUSIONS About 1 in 62 individuals with osteoporosis, or 1.6%, have biopsy-verified CD. This prevalence is comparable to that in the general population. These findings argue against routinely screening patients with osteoporosis for CD, which is contrary to current guideline recommendations. Additional studies are needed to determine the true utility of such screening programs.
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Affiliation(s)
- M Laszkowska
- Department of Medicine, Celiac Disease Center, Columbia University College of Physicians and Surgeons, New York, NY, USA
| | - S Mahadev
- Department of Medicine, Celiac Disease Center, Columbia University College of Physicians and Surgeons, New York, NY, USA
| | - J Sundström
- Department of Medical Sciences, Uppsala Clinical Research Center, Uppsala University, Uppsala, Sweden
| | - B Lebwohl
- Department of Medicine, Celiac Disease Center, Columbia University College of Physicians and Surgeons, New York, NY, USA
| | - P H R Green
- Department of Medicine, Celiac Disease Center, Columbia University College of Physicians and Surgeons, New York, NY, USA
| | - K Michaelsson
- Department of Surgical Sciences, Uppsala University, Uppsala, Sweden
| | - J F Ludvigsson
- Department of Medicine, Celiac Disease Center, Columbia University College of Physicians and Surgeons, New York, NY, USA.,Department of Medical Epidemiology and Biostatistics, Karolinska Institutet, Stockholm, Sweden.,Department of Paediatrics, Örebro University Hospital, Örebro, Sweden.,Division of Epidemiology and Public Health, School of Medicine, University of Nottingham, Nottingham, UK
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10
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Almeida FC, Gandolfi L, Costa KN, Picanço MRA, Almeida LM, Nóbrega YKM, Pratesi R, Pratesi CB, Selleski N. Frequency of HLA-DQ, susceptibility genotypes for celiac disease, in Brazilian newborns. Mol Genet Genomic Med 2018; 6:779-784. [PMID: 30014583 PMCID: PMC6160714 DOI: 10.1002/mgg3.444] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/13/2018] [Revised: 05/23/2018] [Accepted: 06/12/2018] [Indexed: 12/20/2022] Open
Abstract
Background The frequency of HLA‐DQ2 and DQ8 predisposing genotypes for celiac disease (CD) has shown significant variation among different world regions and has not been previously determined among the highly interbred Brazilian population. The aim of this study was to investigate the frequency of these genotypes among Brazilian newborns (NB). Methods We typed DQA1*05 ‐ DQB1*02 (DQ2.5) and DQA1*03 ‐ DQB1*03:02 (DQ8) alleles in 329 NB using qPCR technique. Subsequently we confirmed our results by PCR‐SSP using a reference kit which further identified DQ2.2 (DQA1*02:01 ‐ DQB1*02). Results Among the 329 NB, using qPCR technique: 5 (1.52%) carried both DQ2.5 and DQ8 variants; 58 (17.63%) carried only DQ2.5 (DQA1*05 and DQB1*02) and 47 (14.29%) carried only the DQ8 (DQA1*03 and DQB1*03:02) variant. The use of the PCR‐SSP method yielded further information; among the 329 samples: 34 (10.34%) tested positive for DQ2.2 and among the 47 previously DQ8 positives samples, we found 10 (3.04%) that also tested positives for DQ2.2. Conclusion 43.7% of the analyzed individual tested positive for at least one of the CD predisposing HLA‐DQ genotypes in our group of Brazilian NB. The highest frequency was found for DQ2.5 positive subjects (17.6%) followed by DQ8 (11.3%); DQ2.2 (10.3%); DQ8 and DQ2.2 (3.0%); DQ2.5 and DQ8 (1.5%). We found no positive sample for DQ2.5 associated with DQ2.2.
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Affiliation(s)
- Fernanda C Almeida
- Graduate Program in Medical Sciences, School of Medicine, University of Brasilia, Brasilia, DF, Brazil.,Research Center for Celiac Disease, School of Medicine, University of Brasilia, Brasilia, DF, Brazil
| | - Lenora Gandolfi
- Graduate Program in Medical Sciences, School of Medicine, University of Brasilia, Brasilia, DF, Brazil.,Research Center for Celiac Disease, School of Medicine, University of Brasilia, Brasilia, DF, Brazil.,Graduate Program in Health Sciences, School of Health Sciences, University of Brasilia, Brasilia, DF, Brazil.,Department of Pediatrics, School of Medicine, University of Brasilia, Brasilia, DF, Brazil
| | - Karina N Costa
- Department of Pediatrics, School of Medicine, University of Brasilia, Brasilia, DF, Brazil
| | - Marilucia R A Picanço
- Department of Pediatrics, School of Medicine, University of Brasilia, Brasilia, DF, Brazil
| | - Lucas M Almeida
- Graduate Program in Medical Sciences, School of Medicine, University of Brasilia, Brasilia, DF, Brazil.,Research Center for Celiac Disease, School of Medicine, University of Brasilia, Brasilia, DF, Brazil
| | - Yanna K M Nóbrega
- Graduate Program in Medical Sciences, School of Medicine, University of Brasilia, Brasilia, DF, Brazil.,Department of Pharmaceutical Sciences, School of Health Sciences, University of Brasilia, Brasilia, DF, Brazil
| | - Riccardo Pratesi
- Graduate Program in Medical Sciences, School of Medicine, University of Brasilia, Brasilia, DF, Brazil.,Research Center for Celiac Disease, School of Medicine, University of Brasilia, Brasilia, DF, Brazil.,Graduate Program in Health Sciences, School of Health Sciences, University of Brasilia, Brasilia, DF, Brazil.,Department of Pediatrics, School of Medicine, University of Brasilia, Brasilia, DF, Brazil
| | - Claudia B Pratesi
- Research Center for Celiac Disease, School of Medicine, University of Brasilia, Brasilia, DF, Brazil.,Graduate Program in Health Sciences, School of Health Sciences, University of Brasilia, Brasilia, DF, Brazil
| | - Nicole Selleski
- Research Center for Celiac Disease, School of Medicine, University of Brasilia, Brasilia, DF, Brazil.,Graduate Program in Health Sciences, School of Health Sciences, University of Brasilia, Brasilia, DF, Brazil
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11
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Singh P, Arora A, Strand TA, Leffler DA, Catassi C, Green PH, Kelly CP, Ahuja V, Makharia GK. Global Prevalence of Celiac Disease: Systematic Review and Meta-analysis. Clin Gastroenterol Hepatol 2018; 16:823-836.e2. [PMID: 29551598 DOI: 10.1016/j.cgh.2017.06.037] [Citation(s) in RCA: 764] [Impact Index Per Article: 127.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/01/2017] [Revised: 06/05/2017] [Accepted: 06/21/2017] [Indexed: 02/06/2023]
Abstract
BACKGROUND & AIMS Celiac disease is a major public health problem worldwide. Although initially it was reported from countries with predominant Caucasian populations, it now has been reported from other parts of the world. The exact global prevalence of celiac disease is not known. We conducted a systematic review and meta-analysis to estimate the global prevalence of celiac disease. METHODS We searched Medline, PubMed, and EMBASE for the keywords celiac disease, celiac, celiac disease, tissue transglutaminase antibody, anti-endomysium antibody, endomysial antibody, and prevalence for studies published from January 1991 through March 2016. Each article was cross-referenced with the words Asia, Europe, Africa, South America, North America, and Australia. The diagnosis of celiac disease was based on European Society of Pediatric Gastroenterology, Hepatology, and Nutrition guidelines. Of 3843 articles, 96 articles were included in the final analysis. RESULTS The pooled global prevalence of celiac disease was 1.4% (95% confidence interval, 1.1%-1.7%) in 275,818 individuals, based on positive results from tests for anti-tissue transglutaminase and/or anti-endomysial antibodies (called seroprevalence). The pooled global prevalence of biopsy-confirmed celiac disease was 0.7% (95% confidence interval, 0.5%-0.9%) in 138,792 individuals. The prevalence values for celiac disease were 0.4% in South America, 0.5% in Africa and North America, 0.6% in Asia, and 0.8% in Europe and Oceania; the prevalence was higher in female vs male individuals (0.6% vs 0.4%; P < .001). The prevalence of celiac disease was significantly greater in children than adults (0.9% vs 0.5%; P < .001). CONCLUSIONS In a systematic review and meta-analysis, we found celiac disease to be reported worldwide. The prevalence of celiac disease based on serologic test results is 1.4% and based on biopsy results is 0.7%. The prevalence of celiac disease varies with sex, age, and location. There is a need for population-based prevalence studies in many countries.
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Affiliation(s)
- Prashant Singh
- Division of Gastroenterology and Hepatology, Beth Israel Deaconess Medical Center, Boston, Massachusetts
| | | | - Tor A Strand
- Innlandet Hospital Trust, Lillehammer, Norway; Centre for International Health, University of Bergen, Bergen, Norway
| | - Daniel A Leffler
- Division of Gastroenterology and Hepatology, Beth Israel Deaconess Medical Center, Boston, Massachusetts; Gastroenterology Research and Development, Takeda Pharmaceuticals Inc, Cambridge, MA
| | - Carlo Catassi
- Department of Pediatrics, Università Politecnica delle Marche, Ancona, Italy
| | - Peter H Green
- Department of Medicine, Columbia University Medical Center, New York, New York; USA Celiac Disease Center, Columbia University Medical Center, New York, New York
| | - Ciaran P Kelly
- Division of Gastroenterology and Hepatology, Beth Israel Deaconess Medical Center, Boston, Massachusetts
| | - Vineet Ahuja
- Department of Gastroenterology and Human Nutrition, All India Institute of Medical Sciences, New Delhi, India
| | - Govind K Makharia
- Department of Gastroenterology and Human Nutrition, All India Institute of Medical Sciences, New Delhi, India.
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12
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Rodrigues M, Yonamine GH, Fernandes Satiro CA. Rate and determinants of non-adherence to a gluten-free diet and nutritional status assessment in children and adolescents with celiac disease in a tertiary Brazilian referral center: a cross-sectional and retrospective study. BMC Gastroenterol 2018; 18:15. [PMID: 29351811 PMCID: PMC5775619 DOI: 10.1186/s12876-018-0740-z] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/14/2017] [Accepted: 01/08/2018] [Indexed: 12/16/2022] Open
Abstract
Background Compliance with a gluten-free diet (GFD) is difficult at all ages but particularly for teenagers due to social, cultural, economic, and practical pressures. The multidisciplinary team responsible for the treatment of patients with celiac disease and give support to their parents plays a special role on strengthening GFD and assessing the nutritional and physical health. Methods A cross-sectional and retrospective study including patients under 20 years of age, with biopsy-confirmed CD, followed regularly at the Department of Pediatrics, Division of Gastroenterology, Hospital das Clínicas, University of Sao Paulo, School of Medicine, Sao Paulo, Brazil, were surveyed using a questionnaire and serologic test applied between November 2011 and February 2012. A retrospective chart review of these patients was performed to collect the anthropometric data along with the results of the serologic test performed at the time of diagnosis and after at least 1 year of treatment with a GFD. Results We evaluated 35 patients aged between 2.4 and 19.9 years. Of these 68.6% were female, 88.6% had the typical form of the disease and 51.4% had other comorbidities. The mean age at diagnosis was 5.4 years. Despite dietary guidance, 20% reported non-adherence to the diet. Most children recovered the weight and height deficit after 5 years of treatment, and in some children, excessive weight gain became a concern. Conclusion The majority of transgressions occurred intentionally at home or at parties. There was a risk of excessive weight gain, especially in the first two years of treatment. More alternatives and easier access to low cost gluten-free foods, increasing the discussion about the benefits of adhering to a GFD among patients, families, and the general population, besides the acquisition of self-management skills, are crucial to fostering independent children and adolescents who have the knowledge and tools to manage life with CD. Electronic supplementary material The online version of this article (10.1186/s12876-018-0740-z) contains supplementary material, which is available to authorized users.
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Affiliation(s)
- Maraci Rodrigues
- Department of Gastroenterology, Hospital das Clínicas, School of Medicine, University of Sao Paulo (SMUSP), Av. Dr Eneas de Carvalho Aguiar, 255, 05403-000, Sao Paulo, Brazil.
| | - Glauce Hiromi Yonamine
- Department of Pediatric, Instituto da Criança, Division of Nutrition, Hospital das Clínicas, School of Medicine, University of Sao Paulo (SMUSP), Sao Paulo, Brazil
| | - Carla Aline Fernandes Satiro
- Department of Pediatric, Instituto da Criança, Division of Nutrition, Hospital das Clínicas, School of Medicine, University of Sao Paulo (SMUSP), Sao Paulo, Brazil
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13
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We want to be normal! Perceptions of a group of Brazilian consumers with coeliac disease on gluten-free bread buns. Int J Gastron Food Sci 2017. [DOI: 10.1016/j.ijgfs.2017.01.001] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
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14
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Presence of DQ2.2 Associated with DQ2.5 Increases the Risk for Celiac Disease. Autoimmune Dis 2016; 2016:5409653. [PMID: 28042478 PMCID: PMC5155080 DOI: 10.1155/2016/5409653] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/07/2016] [Accepted: 10/25/2016] [Indexed: 12/12/2022] Open
Abstract
Background. Celiac disease (CD) is a genetically determined immune-mediated disorder in which gluten immunogenic peptides are presented to CD4 T cells by HLA-DQ2.5, DQ8, DQ2.2, and their combinations. Our aim is to establish a risk gradient for celiac disease based on HLA-DQ profile in a brazilian representative population and the relevance of DQ2.2 in celiac disease development. Materials and Methods. 237 celiac patients and 237 controls (both groups with 164 females and 73 males) were included. All samples were tested for the presence of predisposing HLA-DQ alleles using the PCR-SSP method. Results were considered significant when p < 0.05. Disease risk was expressed as 1 : N for each HLA-DQ category described at this study. Results. DQ2.5 and/or DQ8 were detected in 224 celiac patients (94.5%) and 84 controls (35.4%). Eight celiac patients (3.4%) and 38 controls (16%) disclosed only DQ2.2. Even though DQ2.2 (β2/β2 or β2/x) showed a low CD risk of 1 : 251 and 1 : 550, respectively, the genotype DQ2.5/DQ2.2 (β2/β2) showed high CD risk of 1 : 10 (p < 0.0001). The disease risk gradient ranged from 1 : 3014 to 1 : 7. Conclusion. Our study allowed the determination of a risk gradient for celiac disease development in at-risk population, showing that DQ2.2 variant was relevant when associated with DQ2.5.
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15
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Bonatto MW, Kotze L, Orlandoski M, Tsuchyia R, de Carvalho CA, Lima D, Kurachi G, Orso IR, Kotze L. Endoscopic evaluation of celiac disease severity and its correlation with histopathological aspects of the duodenal mucosa. Endosc Int Open 2016; 4:E767-77. [PMID: 27556094 PMCID: PMC4993899 DOI: 10.1055/s-0042-108190] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/06/2015] [Accepted: 04/27/2016] [Indexed: 12/29/2022] Open
Abstract
BACKGROUND AND STUDY AIMS Celiac disease (CD) is a chronic systemic autoimmune disorder affecting genetically predisposed individuals, triggered and maintained by the ingestion of gluten. Triggered and maintained by the ingestion of gluten, celiac disease is a chronic systemic autoimmune disorder affecting genetically predisposed individuals. Persistent related inflammation of the duodenal mucosa causes atrophy architecture detectable on esophagogastroduodenoscopy (EGD) and histopathology. We investigated the association between endoscopic features and histopathological findings (Marsh) for duodenal mucosa in celiac disease patients and propose an endoscopic classification of severity. PATIENTS AND METHODS Between January 2000 and March 2010, an electronic database containing 34,540 EDGs of patients aged > 14 years was searched for cases of CD. Out of 109 cases, 85 met the inclusion criteria: conventional EGD combined with chromoendoscopy, zoom and biopsy. EGD types 0, I and II corresponds to Marsh grades 0, 1 and 2, respectively, while EGD type III corresponds to Marsh grade 3 and 4. RESULTS Five patients (5.8 %) were EGD I but not Marsh grade 1; 25 patients (29.4 %) were EGD II, 4 of whom (16 %) were classified as Marsh grade 2; and 55 patients (64.7 %) were EGD III, 51 (92.7 %) of whom were classified as Marsh grades 3 and 4. The Spearman correlation coefficient (r = 0.33) revealed a significant association between the methods (P = 0.002). CONCLUSIONS Changes in the duodenal mucosa detected on EGD were significantly and positively associated with histopathologic findings. The use of chromoendoscopy in addition to conventional EGD enhances changes in the duodenal mucosa and permits diagnosis of CD, even in routine examinations. The proposed endoscopic classification is practical and easily reproducible and provides valuable information regarding disease extension.
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Affiliation(s)
- Mauro W. Bonatto
- Gastroclínica Cascavel, Gastroenterology Center, Parana, Brazil,Assis Gurgacz University Center – School of Medicine, Cascavel, Brazil
| | - Luiz Kotze
- Pontifícia Universidade Católica do Paraná, Curitiba, Brazil
| | | | | | | | - Doryane Lima
- Gastroclínica Cascavel, Gastroenterology Center, Parana, Brazil,Assis Gurgacz University Center – School of Medicine, Cascavel, Brazil
| | - Gustavo Kurachi
- Gastroclínica Cascavel, Gastroenterology Center, Parana, Brazil,Assis Gurgacz University Center – School of Medicine, Cascavel, Brazil
| | - Ivan R.B. Orso
- Gastroclínica Cascavel, Gastroenterology Center, Parana, Brazil,Assis Gurgacz University Center – School of Medicine, Cascavel, Brazil
| | - Lorete Kotze
- Pontifícia Universidade Católica do Paraná, Curitiba, Brazil
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Roy A, Laszkowska M, Sundström J, Lebwohl B, Green PHR, Kämpe O, Ludvigsson JF. Prevalence of Celiac Disease in Patients with Autoimmune Thyroid Disease: A Meta-Analysis. Thyroid 2016; 26:880-90. [PMID: 27256300 DOI: 10.1089/thy.2016.0108] [Citation(s) in RCA: 50] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Abstract
BACKGROUND Several screening studies have indicated an increased prevalence of celiac disease (CD) among individuals with autoimmune thyroid disease (ATD), but estimates have varied substantially. OBJECTIVE The aim of this study was to examine the prevalence of CD in patients with ATD. METHOD A systematic review was conducted of articles published in PubMed Medline or EMBASE until September 2015. Non-English papers with English-language abstracts were also included, as were research abstracts without full text available when relevant data were included in the abstract. Search terms included "celiac disease" combined with "hypothyroidism" or "hyperthyroidism" or "thyroid disease." Fixed-effects inverse variance-weighted models were used. Meta-regression was used to examine heterogeneity in subgroups. RESULTS A pooled analysis, based on 6024 ATD patients, found a prevalence of biopsy-confirmed CD of 1.6% [confidence interval (CI) 1.3-1.9%]. Heterogeneity was large (I(2) = 70.7%). The prevalence was higher in children with ATD (6.2% [CI 4.0-8.4%]) than it was in adults (2.7%) or in studies examining both adults and children (1.0%). CD was also more prevalent in hyperthyroidism (2.6% [CI 0.7-4.4%]) than it was in hypothyroidism (1.4% [CI 1.0-1.9%]). CONCLUSIONS About 1/62 patients with ATD have biopsy-verified CD. It is argued that patients with ATD should be screened for CD, given this increased prevalence.
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Affiliation(s)
- Abhik Roy
- 1 Celiac Disease Center, Department of Medicine, Columbia University College of Physicians and Surgeons , New York, New York
| | - Monika Laszkowska
- 1 Celiac Disease Center, Department of Medicine, Columbia University College of Physicians and Surgeons , New York, New York
| | - Johan Sundström
- 2 Department of Medical Sciences, Uppsala University , Uppsala, Sweden
| | - Benjamin Lebwohl
- 1 Celiac Disease Center, Department of Medicine, Columbia University College of Physicians and Surgeons , New York, New York
| | - Peter H R Green
- 1 Celiac Disease Center, Department of Medicine, Columbia University College of Physicians and Surgeons , New York, New York
| | - Olle Kämpe
- 3 Department of Medicine (Solna), Karolinska University Hospital , Karolinska Institutet, Stockholm, Sweden
| | - Jonas F Ludvigsson
- 1 Celiac Disease Center, Department of Medicine, Columbia University College of Physicians and Surgeons , New York, New York
- 4 Department of Medical Epidemiology and Biostatistics, Karolinska University Hospital , Karolinska Institutet, Stockholm, Sweden
- 5 Department of Paediatrics, Örebro University Hospital , Örebro, Sweden
- 6 Division of Epidemiology and Public Health, School of Medicine, University of Nottingham , Nottingham, United Kingdom
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Farrukh A, Mayberry JF. COELIAC DISEASE IN CENTRAL AND SOUTH AMERICA: time for a concerted approach to its epidemiology. ARQUIVOS DE GASTROENTEROLOGIA 2015; 52:129-33. [PMID: 26039831 DOI: 10.1590/s0004-28032015000200010] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/04/2014] [Accepted: 01/26/2015] [Indexed: 12/17/2022]
Abstract
Central and South America offer an opportunity to resolve some of the current controversies that surround the epidemiology of celiac disease. Through a concerted action which brings together clinicians, researchers and patients there is an opportunity to establish robust data sets which will allow detailed analysis of environmental and genetic factors. In this review available data from the continent together with data from Spain and Italy are drawn together to give a current picture in the hope that it will stimulate further research.
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Lionetti E, Gatti S, Pulvirenti A, Catassi C. Celiac disease from a global perspective. Best Pract Res Clin Gastroenterol 2015; 29:365-79. [PMID: 26060103 DOI: 10.1016/j.bpg.2015.05.004] [Citation(s) in RCA: 104] [Impact Index Per Article: 11.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/17/2015] [Revised: 04/28/2015] [Accepted: 05/07/2015] [Indexed: 01/31/2023]
Abstract
Celiac disease (CD) is one of the commonest lifelong disorders in countries populated by individuals of European origin, affecting approximately 1% of the general population. This is a common disease also in North Africa, Middle East and India. The widespread diffusion of CD is not surprising given that its causal factors (HLA predisposing genotypes and consumption of gluten-containing cereals) show a worldwide distribution. Further studies are needed to quantify the incidence of CD in apparently "celiac-free" areas such as Sub-Saharan Africa and Far East. Several reports have shown that CD is increasing in frequency in different geographic areas. Genetic factors do not explain the rising incidence during the last decades; environmental or lifestyle factors may be responsible for these changes over time. The majority of patients with CD are still undiagnosed all over the world, leading to debate about the need of screening program.
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Affiliation(s)
- Elena Lionetti
- Department of Paediatrics, University of Catania, Via S. Sofia 78, 95124 Catania, Italy.
| | - Simona Gatti
- Department of Paediatrics, Marche Polytechnic University, Ancona, Via Corridoni 11, 60123 Ancona, Italy.
| | - Alfredo Pulvirenti
- Department of Clinical and Molecular Biomedicine, University of Catania, Via S. Sofia 78, 95124 Catania, Italy.
| | - Carlo Catassi
- Department of Paediatrics, Marche Polytechnic University, Ancona, Via Corridoni 11, 60123 Ancona, Italy; The Division of Paediatric Gastroenterology and Nutrition, Center for Celiac Research, MassGeneral Hospital for Children, 55 Fruit Street, Boston, MA 02114, USA.
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Parra-Medina R, Molano-Gonzalez N, Rojas-Villarraga A, Agmon-Levin N, Arango MT, Shoenfeld Y, Anaya JM. Prevalence of celiac disease in latin america: a systematic review and meta-regression. PLoS One 2015; 10:e0124040. [PMID: 25942408 PMCID: PMC4420463 DOI: 10.1371/journal.pone.0124040] [Citation(s) in RCA: 31] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/27/2014] [Accepted: 03/10/2015] [Indexed: 12/27/2022] Open
Abstract
BACKGROUND Celiac disease (CD) is an immune-mediated enteropathy triggered by the ingestion of gluten in susceptible individuals, and its prevalence varies depending on the studied population. Given that information on CD in Latin America is scarce, we aimed to investigate the prevalence of CD in this region of the world through a systematic review and meta-analysis. METHODS AND FINDINGS This was a two-phase study. First, a cross-sectional analysis from 981 individuals of the Colombian population was made. Second, a systematic review and meta-regression analysis were performed following the Preferred Reporting Items for Systematic Meta- Analyses (PRISMA) guidelines. Our results disclosed a lack of celiac autoimmunity in the studied Colombian population (i.e., anti-tissue transglutaminase (tTG) and IgA anti-endomysium (EMA)). In the systematic review, 72 studies were considered. The estimated prevalence of CD in Latin Americans ranged between 0.46% and 0.64%. The prevalence of CD in first-degree relatives of CD probands was 5.5%. The coexistence of CD and type 1 diabetes mellitus varied from 4.6% to 8.7%, depending on the diagnosis methods (i.e., autoantibodies and/or biopsies). CONCLUSIONS Although CD seems to be a rare condition in Colombians; the general prevalence of the disease in Latin Americans seemingly corresponds to a similar scenario observed in Europeans.
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Affiliation(s)
- Rafael Parra-Medina
- Center for Autoimmune Diseases Research (CREA), School of Medicine and Health Sciences, Universidad del Rosario, Carrera 24 #63-C-69, Bogotá, Colombia
| | - Nicolás Molano-Gonzalez
- Center for Autoimmune Diseases Research (CREA), School of Medicine and Health Sciences, Universidad del Rosario, Carrera 24 #63-C-69, Bogotá, Colombia
| | - Adriana Rojas-Villarraga
- Center for Autoimmune Diseases Research (CREA), School of Medicine and Health Sciences, Universidad del Rosario, Carrera 24 #63-C-69, Bogotá, Colombia
| | - Nancy Agmon-Levin
- The Zabludowicz Center for Autoimmune Diseases, Sheba Medical Center, Tel-Hashomer, Israel
- Sackler Medical School, Tel Aviv University, Tel Aviv, Israel
| | - Maria-Teresa Arango
- Center for Autoimmune Diseases Research (CREA), School of Medicine and Health Sciences, Universidad del Rosario, Carrera 24 #63-C-69, Bogotá, Colombia
- The Zabludowicz Center for Autoimmune Diseases, Sheba Medical Center, Tel-Hashomer, Israel
- Doctoral Program in Biomedical Sciences Universidad del Rosario, Bogotá, Colombia
| | - Yehuda Shoenfeld
- The Zabludowicz Center for Autoimmune Diseases, Sheba Medical Center, Tel-Hashomer, Israel
- Incumbent of the Laura Schwarz-Kip Chair for Research of Autoimmune Diseases, Sackler Faculty of Medicine, Tel-Aviv University, Tel Aviv, Israel
| | - Juan-Manuel Anaya
- Center for Autoimmune Diseases Research (CREA), School of Medicine and Health Sciences, Universidad del Rosario, Carrera 24 #63-C-69, Bogotá, Colombia
- * E-mail:
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da Conceição-Machado MEP, Santana MLP, Silva RDCR, Silva LR, Pinto EJ, Couto RD, Moraes LTLP, Assis AMO. Serologic screening of celiac disease in adolescents. REVISTA BRASILEIRA DE EPIDEMIOLOGIA 2015; 18:149-56. [PMID: 25651018 DOI: 10.1590/1980-5497201500010012] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/07/2014] [Accepted: 08/12/2014] [Indexed: 11/21/2022] Open
Abstract
OBJECTIVE This study aimed to identify the seroprevalence of celiac disease in adolescents from public schools in the city of Salvador, Bahia. METHODS This was a cross-sectional study with probabilistic sample of 1,213 adolescents, aged 11 to 17 years old, of both genders. The body mass index was used to determine the participants' nutritional status based on the percentiles for age and gender recommended by the World Health Organization. Measurement of the anti-human transglutaminase immunoglobulin A (anti-tTG-IgA) antibody was established as the specific screening test for celiac disease, which involved an enzyme-linked immunosorbent assay (ELISA). Descriptive analysis was performed using proportions and means (standard deviation). RESULTS The female gender prevailed in the sample, and most of the participants had normal weights. The anti-tTG-IgA antibody was positive in 6/1,213 (0.49%) adolescents. CONCLUSION The seroprevalence of celiac disease was 0.49% in the investigated adolescents. Further studies are necessary to establish the prevalence of celiac disease in this age range.
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Affiliation(s)
| | | | | | | | - Elizabete Jesus Pinto
- Centro de Ciências da Saúde, Universidade Federal do Recôncavo da Bahia, Santo Antônio de Jesus, BA, Brasil
| | - Ricardo David Couto
- Complexo Hospitalar Universitário Professor Edgard Santos, Universidade Federal da Bahia, Salvador, BA, Brasil
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Ventura A, Ronsoni MF, Shiozawa MBC, Dantas-Corrêa EB, Canalli MHBDS, Schiavon LDL, Narciso-Schiavon JL. Prevalence and clinical features of celiac disease in patients with autoimmune thyroiditis: cross-sectional study. SAO PAULO MED J 2014. [PMID: 25351758 DOI: 10.1590/1516-3180.2014.1326725] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/07/2023] Open
Abstract
CONTEXT AND OBJECTIVE Celiac disease is an autoimmune disorder with an average prevalence of 1% in Europe and the United States. Because of strong European ancestry in southern Brazil, this study aimed to evaluate the seroprevalence of celiac disease among autoimmune thyroiditis patients. DESIGN AND SETTING Cross-sectional study in a public university hospital. METHODS This cross-sectional prevalence study included autoimmune thyroiditis patients who were tested for anti-endomysial and anti-transglutaminase antibodies between August 2010 and July 2011. RESULTS Fifty-three patients with autoimmune thyroiditis were included; 92.5% were women, with mean age of 49.0 ± 13.5 years. Five patients (9.3%) were serologically positive for celiac disease: three of them (5.6%) were reactive for anti-endomysial antibodies and two (3.7%) for anti-transglutaminase. None of them exhibited anemia and one presented diarrhea. Endoscopy was performed on two patients: one with normal histology and the other with lymphocytic infiltrate and villous atrophy. CONCLUSION The prevalence of celiac disease among patients with autoimmune thyroid disease was 9.3%; one patient complained of diarrhea and none presented anemia. Among at-risk populations, like autoimmune thyroiditis patients, the presence of diarrhea or anemia should not be used as a criterion for indicating celiac disease investigation. This must be done for all autoimmune thyroiditis patients because of its high prevalence.
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Affiliation(s)
- Aline Ventura
- Universidade Federal de Santa Catarina, Florianópolis, Santa Catarina, Brazil
| | - Marcelo Fernando Ronsoni
- Department of Internal Medicine, Universidade Federal de Santa Catarina, Florianópolis, Santa Catarina, Brazil
| | | | | | | | - Leonardo de Lucca Schiavon
- Department of Internal Medicine, Universidade Federal de Santa Catarina, Florianópolis, Santa Catarina, Brazil
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GOLFETTO L, SENNA FDD, HERMES J, BESERRA BTS, FRANÇA FDS, MARTINELLO F. LOWER BIFIDOBACTERIA COUNTS IN ADULT PATIENTS WITH CELIAC DISEASE ON A GLUTEN-FREE DIET. ARQUIVOS DE GASTROENTEROLOGIA 2014; 51:139-43. [DOI: 10.1590/s0004-28032014000200013] [Citation(s) in RCA: 50] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/14/2013] [Accepted: 11/21/2013] [Indexed: 12/17/2022]
Abstract
ContextThe ingestion of gluten is responsible for the symptoms of Celiac disease, but other environmental factors can also influence. Strains of theBifidobacterium genus have been shown to afford protection against the inflammatory response and mucosal damage caused by gliadin peptides in vitro.ObjectivesThis study was designed to compare the concentration of fecal bifidobacteria and pH of patients with celiac disease on gluten-free diet and control subjects in order to identify if the imbalance on fecal microbiota still remain during the treatment of celiac disease and identify the necessity of dietary supplementation with pre- or probiotics.MethodsIt was analyzed the feces of 42 healthy subjects and 14 celiac patients. The bifidobacteria count in feces was done in selective medium BIM-25. Microscopic analysis of the colonies was performed by Gram stain. The identification of the genus Bifidobacterium was performed by determination of fructose-6-phosphate phosphoketolase. Fecal pH was measured using a pH meter.ResultsThe concentration of bifidobacteria per gram of feces was significantly higher in healthy subjects (controls) (1.5 ± 0.63 x108 CFU/g) when compared to celiac patients (2.5 ± 1.5 x107 CFU/g). The fecal pH was not different between celiac patients (7.19 ± 0.521) and controls (7.18 ± 0.522).ConclusionsThese results suggest that with lower levels of bifidobacteria, celiac patients have an imbalance in the intestinal microbiota, regardless of pH, even while on a gluten-free diet. This fact could favor the pathological process of the disorder.
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Uenishi RH, Gandolfi L, Almeida LM, Fritsch PM, Almeida FC, Nóbrega YKM, Pratesi R. Screening for celiac disease in 1st degree relatives: a 10-year follow-up study. BMC Gastroenterol 2014; 14:36. [PMID: 24552206 PMCID: PMC3941942 DOI: 10.1186/1471-230x-14-36] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/21/2013] [Accepted: 02/17/2014] [Indexed: 02/06/2023] Open
Abstract
Background Although it is known that first degree relatives of celiac patients have an increased risk for celiac disease few studies are available on its incidence. We investigated the incidence of serologic conversion and of new cases of celiac disease among first degree relatives with negative results at a first screening. Methods From a total of 634 first degree relatives of 186 biopsy-proven celiac disease patients diagnosed between October 2000 and October 2010, 450 subjects agreed to participate in the study (Group I), and underwent serologic screening. Between January 2010 and October 2012, out of the initial group of 450, 205 previously sero-negative subjects consented to participate in a second stage of the study and undergo new serologic testing (Group II). All serologically positive individuals of both groups (I and II) were genotyped for celiac disease-predisposing alleles (HLA-DQ2/DQ8). Results 19 subjects (4.2%) out of the 450 subjects of Group I disclosed positive serologic results, presence of DQ2 and/or DQ8 alleles and celiac disease-compatible mucosal abnormalities. The 205 previously negative first degree relatives from Group II that underwent new serologic testing disclosed eight sero-converted subjects. Mucosal abnormalities in five of these patients confirmed the diagnosis of celiac disease. During the 10-year period of the study the incidence of sero-conversion was 8/205 and the incidence of biopsy-proven celiac disease cases was 5/205. Conclusions Our data are coincident with other works on this subject and confirm once again that relatives of celiac patients, especially first degree relatives are at high risk of developing celiac disease. In view of the relatively low incidence further studies are needed to try to establish a useful and cost-effective algorithm for follow-up of relatives of celiac patients.
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Affiliation(s)
| | | | | | | | | | | | - Riccardo Pratesi
- Graduate Program in Health Sciences, University of Brasilia School of Health Sciences, Brasilia, DF, Brazil.
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Abstract
Celiac disease (CD) is an immune-mediated systemic condition triggered by dietary gluten occurring in genetically susceptible individuals. Our understanding of its numerous and varied clinical presentations has evolved over time, which has contributed to the incidence of CD increasing. In most cases, the diagnosis is readily established and patients promptly improve after commencing a gluten-free diet (GFD). However, in some, the diagnosis is not straightforward and presents a challenge to clinicians. Potential dilemmas include those with positive serology but normal histology, negative serology but abnormal duodenal mucosal histology, failure to respond to a GFD or response to a GFD without evidence of CD. In recent years, development of new assays and modifications to existing diagnostic algorithms for CD has also challenged the traditional role of small-bowel histology as critical in CD diagnosis.
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Affiliation(s)
- Michael X Ma
- Department of Gastroenterology and Hepatology, Royal Perth Hospital, Perth, WA 6001, Australia
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Fagundes-Neto U. Persistent diarrhea: still a serious public health problem in developing countries. Curr Gastroenterol Rep 2013; 15:345. [PMID: 23934653 DOI: 10.1007/s11894-013-0345-1] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/02/2023]
Abstract
Diarrhea is still responsible for high rates of morbidity and mortality in children under 5 years of age. The prolongation of the acute episode may cause digestive and absorptive malfunction and, consequently, malnutrition, raising the risk of death. The objective of this review is to supply the most recent knowledge in the field of persistent diarrhea and to contribute to the decrease of its incidence. Some possible etiologic agents may be involved, including viruses, bacteria, and parasites. Treatment must be addressed to avoid malabsorption of the nutrients of the diet, associated with replacement of the hydroelectrolytic losses, to prevent its prolongation. In the great majority of the episodes, antibiotics are not indicated. Breastfeeding, introduction of safe dietary strategies to prevent protein-energy malnutrition, and improvement of sanitary conditions and hygiene are measures to be promoted with the objective of decreasing the morbidity/mortality of the diarrheic disease in children less than 5 years of age.
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Affiliation(s)
- Ulysses Fagundes-Neto
- Division of Pediatric Gastroenterology, Escola Paulista de Medicina, Universidade Federal de São Paulo, São Paulo, Brazil.
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26
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Kang JY, Kang AHY, Green A, Gwee KA, Ho KY. Systematic review: worldwide variation in the frequency of coeliac disease and changes over time. Aliment Pharmacol Ther 2013; 38:226-45. [PMID: 23782240 DOI: 10.1111/apt.12373] [Citation(s) in RCA: 161] [Impact Index Per Article: 14.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/06/2012] [Revised: 10/28/2012] [Accepted: 05/26/2013] [Indexed: 12/24/2022]
Abstract
BACKGROUND Coeliac disease (CD), originally thought to be largely confined to Northern Europe and Australasia and uncommon in North America and the Middle East, is now recognised to be equally common in all these countries. It is still thought to be rare in the Orient and Sub-Saharan Africa. AIM To assess geographical differences and time trends in the frequency of CD. METHODS Medline and Embase searches were conducted on 10 November 2012, from 1946 and 1980 respectively, using the key words: coeliac disease or celiac disease + prevalence or incidence or frequency. RESULTS There were significant intra- and inter-country differences in the prevalence and incidence of CD. Only 24 ethnic Chinese and Japanese patients have been reported in the English literature. Of CD-associated HLA DQ antigens, DQ2 occurs in 5-10% of Chinese and sub-Saharan Africans, compared to 5-20% in Western Europe. DQ8 occurs in 5-10% of English, Tunisians and Iranians, but in <5% of Eastern Europeans, Americans and Asians. The prevalence and incidence of both clinically and serologically diagnosed CD increased in recent years. These geographical and temporal differences seem genuine, although variable indices of suspicion and availability of diagnostic facilities are confounding factors. CONCLUSIONS Coeliac disease is increasing in frequency, with significant geographical differences. Although few cases have been described to date in the Orient and Sub-Saharan Africa, there is a significant prevalence of HLA DQ2 and wheat consumption is of the same order as that in Western Europe. CD may therefore become more common in the future in these countries.
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Affiliation(s)
- J Y Kang
- Department of Gastroenterology, St George's Hospital, London, UK.
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Kratzer W, Kibele M, Akinli A, Porzner M, Boehm BO, Koenig W, Oeztuerk S, Mason RA, Mao R, Haenle MH. Prevalence of celiac disease in Germany: A prospective follow-up study. World J Gastroenterol 2013; 19:2612-2620. [PMID: 23674868 PMCID: PMC3645379 DOI: 10.3748/wjg.v19.i17.2612] [Citation(s) in RCA: 27] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/31/2012] [Revised: 11/28/2012] [Accepted: 02/06/2013] [Indexed: 02/06/2023] Open
Abstract
AIM: To determine the prevalence of celiac disease in a randomly selected population sample.
METHODS: A total of 2157 subjects (1036 males; 1121 females) participating in a population-based cross-sectional study underwent laboratory testing for tissue transglutaminase and antibodies to immunoglobulin A, endomysium and antigliadin. In a second step, all subjects who had been examined serologically were surveyed using a questionnaire that included questions specific to celiac disease. Subjects with positive antibody titers and those with histories positive for celiac disease then underwent biopsy. At the first follow up, antibody titers were again determined in these subjects and subjects were questioned regarding symptoms specific for celiac disease and disorders associated with celiac disease. The second follow up consisted of a telephone interview with subjects positive for celiac disease.
RESULTS: Antibody tests consistent with celiac disease were reported in eight subjects, corresponding to an overall prevalence of 1:270 (8/2157). The prevalence among women was 1:224 and 1:518 in men. Classical symptoms were observed in 62.5% of subjects. Atypical celiac disease was present in 25.0%, and transient celiac disease in 12.5%. False-negative test results were returned in three subjects. This yields a sensitivity and specificity of 62.5% and 50.0%, respectively, for tissue transglutaminase immunoglobulin-A antibody; of 62.5% and 71.4% respectively, for endomysium antibody; and of 62.5% and 71.4%, respectively, for antigliadin antibody.
CONCLUSION: The prevalence rate in our collective lies within the middle tertile of comparable studies in Europe. The use of a single antibody test for screening purposes must be called into question.
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Aljebreen AM, Almadi MA, Alhammad A, Al Faleh FZ. Seroprevalence of celiac disease among healthy adolescents in Saudi Arabia. World J Gastroenterol 2013; 19:2374-2378. [PMID: 23613632 PMCID: PMC3631990 DOI: 10.3748/wjg.v19.i15.2374] [Citation(s) in RCA: 36] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/06/2012] [Revised: 01/22/2013] [Accepted: 02/06/2013] [Indexed: 02/06/2023] Open
Abstract
AIM: To identify the seroprevalence of celiac disease among healthy Saudi adolescents.
METHODS: Between December 2007 and January 2008, healthy students from the 10th to 12th grades were randomly selected from three regions in Saudi Arabia. These regions included the following: (1) Aseer region, with a student population of 25512; (2) Madinah, with a student population of 23852; and (3) Al-Qaseem, with a student population of 16067. Demographic data were recorded, and a venous blood sample (5-10 mL) was taken from each student. The blood samples were tested for immunoglobulin A and immunoglobulin G endomysial antibodies (EMA) by indirect immunofluorescence.
RESULTS: In total, 1167 students (614 males and 553 females) from these three regions were randomly selected. The majority of the study population was classified as lower middle class (82.7%). There were 26 (2.2%) students who had a positive anti-EMA test, including 17 females (3.1%) and 9 males (1.5%). Al-Qaseem region had the highest celiac disease prevalence among the three studied regions in Saudi Arabia (3.1%). The prevalence by region was as follows: Aseer 2.1% (10/479), Madinah 1.8% (8/436), and Al-Qaseem 3.2% (8/252). The prevalence in Madinah was significantly lower than the prevalence in Aseer and Al-Qaseem (P = 0.02).
CONCLUSION: Our data suggest celiac disease prevalence might be one of the highest in the world. Further studies are needed to determine the real prevalence.
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Almeida LM, Castro LC, Uenishi RH, de Almeida FC, Fritsch PM, Gandolfi L, Pratesi R, de Medeiros Nóbrega YK. Decreased prevalence of celiac disease among Brazilian elderly. World J Gastroenterol 2013; 19:1930-5. [PMID: 23569338 PMCID: PMC3613108 DOI: 10.3748/wjg.v19.i12.1930] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/21/2012] [Revised: 12/03/2012] [Accepted: 12/12/2012] [Indexed: 02/06/2023] Open
Abstract
AIM: To evaluate the prevalence of celiac disease in a group of Brazilian individuals over 60 years of age and compare it with the previously known prevalence in a pediatric group living in the same geographical area.
METHODS: The research protocol was approved by the Ethics Committee of the University of Brasilia School of Medicine, Brasilia, Brazil. Blood samples from 946 individuals (295 male and 651 female) aged 60 years or older were collected between May 2010 and July 2011. The study subjects’ mean and median ages were 68.1 and 67 years, respectively, ranging from 60 to 92 years. That age distribution closely corresponded to the age distribution of the Brazilian population according to the Brazilian 2010 census. The participants were consecutive and unselected outpatients undergoing blood tests at the University of Brasilia Hospital’s Clinical Pathology Laboratory. All sera were tested for immunoglobulin A anti-transglutaminase antibodies (IgA-tTG) by enzyme- linked immunosorbent assay, and those that were positive were further tested for immunoglobulin A anti-endomysium antibodies (IgA-EMA). Human leukocyte antigen (HLA) genotyping was performed for all individuals who exhibited positive serologic results for IgA-tTG and/or IgA-EMA.
RESULTS: Out of the 946 studied patients, only one previously diagnosed case of biopsy-proven celiac disease was detected. For the remaining subjects, nine serum samples tested positive for IgA-tTG antibodies; however, none of them tested positive for IgA-EMA antibodies. The HLA genotyping of those nine subjects revealed that one was carrying DQA1*0501 and two were carrying DQB1*0201 alleles. These data showed that, among those 946 elderly individuals, the prevalence of celiac disease (CD) was 0.1% (95%CI: 0.00-0.59). The prevalence of CD for the elderly group was compared with that observed for the group of 2034 children younger than 15 years (age range, 1-14 years; mean age, 8 years) who took part in our previous CD prevalence screening study. All the children came from the same geographical region and shared a similar ethnic and low-income background. As in the elderly group in the current study, the younger group was made up of consecutive outpatients who underwent blood evaluation at the University of Brasilia Hospital’s Clinical Laboratory. The prevalence of biopsy-proven CD among those children was 0.54% (95%CI: 0.27-0.57). The comparative analysis between the two groups resulted in the following values: odds ratio = 0.19 (95%CI: 0.01-1.45) Fisher test P = 0.06.
CONCLUSION: The prevalence of CD among the children of our previous study was 5.4 times higher than that found in the present elderly group.
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Moura ACA, Castro-Antunes MMD, Lima LAMD, Nobre JMDM, Motta MEFA, Silva GAPD. Triagem sorológica para doença celíaca em adolescentes e adultos jovens, estudantes universitários. REVISTA BRASILEIRA DE SAÚDE MATERNO INFANTIL 2012. [DOI: 10.1590/s1519-38292012000200002] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/30/2022]
Abstract
OBJETIVOS: avaliar a positividade sorológica para doença celíaca em um grupo de adolescentes e adultos jovens da cidade do Recife, Nordeste do Brasil. MÉTODOS: a amostra foi composta por estudantes matriculados nos cursos de graduação do Centro de Ciências da Saúde da Universidade Federal de Pernambuco. Os estudantes foram submetidos à coleta de sangue para pesquisa sorológica do anticorpo antitransglutaminase tecidual humana e responderam a questionário sobre sintomas e condições mórbidas associadas à doença celíaca. O anticorpo antitrans-glutaminase foi pesquisado por técnica de Elisa, considerando-se positivos valores acima de 10 U/mL, conforme estabelecido pelo fabricante. Nos pacientes que tiveram sorologia positiva para o anticorpo antitransglutaminase realizou-se a sorologia para o anticorpo antiendomíseo, por imunofluorescência indireta, utilizando kit comercialmente disponível. RESULTADOS: seiscentos e oitenta e três universitários participaram da pesquisa. Os estudantes tinham entre 18 e 30 anos e mediana de idade de 21 anos. O anticorpo antitransglutaminase foi positivo em 12/683, soroprevalência de 1,76% (IC95%: 0,95-3,13%). O anticorpo antiendomíseo foi realizado em 11 amostras e reagente em quatro. Oito estudantes com sorologia positiva tinham sintomas e/ou condições mórbidas associadas à doença celíaca. CONCLUSÕES: a elevada presença de anticorpos anti-transglutaminase encontrada neste estudo é semelhante a da Europa e Estados Unidos da América, sugere a possibilidade da triagem sorológica mesmo em populações consideradas de baixo risco.
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Boé C, Lozinsky AC, Patrício FR, Andrade JABD, Fagundes-Neto U. Doença celíaca e constipação: uma manifestação clínica atípica e pouco frequente. REVISTA PAULISTA DE PEDIATRIA 2012. [DOI: 10.1590/s0103-05822012000200020] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
Abstract
OBJETIVO: Relatar dois casos de doença celíaca (DC) com manifestação de constipação. DESCRIÇÃO DO CASO: Dois pacientes do sexo feminino, com 18 e 30 meses de idade, respectivamente, apresentando história de constipação crônica refratária ao tratamento. Como apresentavam concomitantemente baixo ganho ponderal e estatural, foi realizada investigação da função digestiva-absortiva, que resultou positiva para o anticorpo IgA antitransglutaminase tecidual. O diagnóstico de DC foi confirmado por biópsia de intestino delgado que revelou atrofia vilositária moderada/intensa e infiltrado linfocítico intraepitelial. Um mês após o início do tratamento com dieta isenta de glúten, ambas as pacientes passaram a apresentar fezes pastosas diariamente. COMENTÁRIOS: A DC pode se apresentar nas formas clássica, assintomática e atípica, em que manifestações isoladas como constipação podem retardar o diagnóstico.
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Reilly NR, Green PHR. Epidemiology and clinical presentations of celiac disease. Semin Immunopathol 2012; 34:473-8. [PMID: 22526468 DOI: 10.1007/s00281-012-0311-2] [Citation(s) in RCA: 83] [Impact Index Per Article: 6.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/23/2012] [Accepted: 03/26/2012] [Indexed: 12/13/2022]
Abstract
Evidence of the prevalence of celiac disease comes from serological screening studies. These have revealed that celiac disease is common, occurring in about 1 % of the population worldwide. There are some countries with higher prevalence rates such as Finland and others with lower rates, for example Germany. The disease is found in most continents and appears to be increasing. Most people with the disease are not currently diagnosed though women are diagnosed more frequently than men. The mode of presentation has changed both in children and adults with diarrhea and a malabsorption syndrome becoming less common. Abdominal pain and growth issues are major modes of presentation in children, while anemia, osteoporosis, and recognition at endoscopy performed for GERD are seen as modes of presentation in adults. Screening of at risk groups is a major mode of presentation for both adults and children.
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Affiliation(s)
- Norelle Rizkalla Reilly
- Department of Pediatrics, Celiac Disease Center, Columbia University College of Physicians and Surgeons, New York, NY, USA
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Almeida RC, Gandolfi L, De Nazaré Klautau‐Guimarães M, Ferrari Í, Sousa SM, Abe‐Sandes K, Barbosa AA, Simões AL, Pratesi R, Oliveira SF. Does celiac disease occur in Afro‐derived Brazilian populations? Am J Hum Biol 2012; 24:710-2. [DOI: 10.1002/ajhb.22271] [Citation(s) in RCA: 11] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/01/2011] [Revised: 02/15/2012] [Accepted: 02/24/2012] [Indexed: 11/09/2022] Open
Affiliation(s)
- Rodrigo C. Almeida
- Faculdade de Medicina, Centro de Pesquisa em Doença Celíaca, Universidade de Brasília, Brasília, Distrito Federal, Brazil
| | - Lenora Gandolfi
- Faculdade de Medicina, Centro de Pesquisa em Doença Celíaca, Universidade de Brasília, Brasília, Distrito Federal, Brazil
| | - Maria De Nazaré Klautau‐Guimarães
- Laboratório de Genética, Departamento de Genética e Morfologia, Instituto de Ciências Biológicas, Universidade de Brasília, Brasília, Distrito Federal, Brazil
| | - Íris Ferrari
- Laboratório de Genética, Departamento de Genética e Morfologia, Instituto de Ciências Biológicas, Universidade de Brasília, Brasília, Distrito Federal, Brazil
| | - Sandra M.B. Sousa
- Departamento de Ciências Biológicas, Universidade Estadual de Santa Cruz, Ilhéus, Bahia, Brazil
| | - Kiyoko Abe‐Sandes
- Departamento de Ciências da Vida, Universidade do Estado da Bahia, Salvador, Bahia, Brazil
| | - Ana A.L. Barbosa
- Departamento de Ciências Biológicas, Universidade Estadual do Sudoeste da Bahia, Jequié, Bahia, Brazil
| | - Aguinaldo L. Simões
- Campus Ribeirão Preto, Faculdade de Medicina de Ribeirão Preto, Departamento de Genética, Universidade de São Paulo, São Paulo, Brazil
| | - Riccardo Pratesi
- Faculdade de Medicina, Centro de Pesquisa em Doença Celíaca, Universidade de Brasília, Brasília, Distrito Federal, Brazil
| | - Silviene F. Oliveira
- Laboratório de Genética, Departamento de Genética e Morfologia, Instituto de Ciências Biológicas, Universidade de Brasília, Brasília, Distrito Federal, Brazil
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Batista IC, Gandolfi L, Nobrega YKM, Almeida RC, Almeida LM, Campos Junior D, Pratesi R. Autism spectrum disorder and celiac disease: no evidence for a link. ARQUIVOS DE NEURO-PSIQUIATRIA 2012; 70:28-33. [DOI: 10.1590/s0004-282x2012000100007] [Citation(s) in RCA: 46] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/27/2011] [Accepted: 08/16/2011] [Indexed: 11/22/2022]
Abstract
OBJECTIVE: To evaluate the possible association between celiac disease (CD) and/or gluten sensitivity (GS) and autism spectrum disorder (ASD). METHODS: Occurrences of CD were determined in a group of children and adolescents affected by ASD and, conversely, occurrences of ASD were assessed in a group of biopsy-proven celiac patients. To detect the possible existence of GS, the levels of antigliadin antibodies in ASD patients were assessed and compared with the levels in a group of non-celiac children. RESULTS: The prevalence of CD or GS in ASD patients was not greater than in groups originating from the same geographical area. Similarly the prevalence of ASD was not greater than in a group of biopsy-proven CD patients. CONCLUSION: No statistically demonstrable association was found between CD or GS and ASD. Consequently, routine screening for CD or GS in all patients with ASD is, at this moment, neither justified nor cost-effective.
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Lionetti E, Catassi C. New clues in celiac disease epidemiology, pathogenesis, clinical manifestations, and treatment. Int Rev Immunol 2011; 30:219-31. [PMID: 21787227 DOI: 10.3109/08830185.2011.602443] [Citation(s) in RCA: 129] [Impact Index Per Article: 9.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
Celiac disease (CD) is an immune-mediated enteropathy triggered by the ingestion of gluten in genetically susceptible individuals. It is one of the most common lifelong disorders on a worldwide basis. Celiac enteropathy is the final consequence of an abnormal immune reaction, showing features of both an innate and an adaptive response to gluten prolamins. The clinical spectrum is wide, including cases with either typical intestinal or atypical extraintestinal features, and silent forms. The only available treatment consists in dietary exclusion of grains containing gluten. New pharmacological treatment are currently under scrutiny.
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Affiliation(s)
- Elena Lionetti
- Department of Pediatrics, University of Catania, Catania, Italy
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Martins RDCA, Gandolfi L, Modelli IC, Almeida RCD, Castro LC, Pratesi R. Serologic screening and genetic testing among brazilian patients with celiac disease and their first degree relatives. ARQUIVOS DE GASTROENTEROLOGIA 2011; 47:257-62. [PMID: 21140086 DOI: 10.1590/s0004-28032010000300009] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/20/2009] [Accepted: 01/07/2010] [Indexed: 12/12/2022]
Abstract
CONTEXT Celiac disease susceptibility has been shown to be associated with the HLA alleles DQA1*0501 and DQB1*0201 (together encoding the DQ2 heterodimer) that are present in practically all celiac disease patients. The DQ8 heterodimer (coded by DQA1*03-DQB1*0302), which is carried on a DRB1*04 (DR4) haplotype, is commonly encoded for by the few celiacs who do not carry the DQ2 heterodimer. Only a few celiac disease patients have been reported without these known risk alleles. OBJECTIVE To assess the prevalence of celiac disease in a group of first degree relatives of celiac patients, and the frequency of HLA predisposing alleles both in the group of celiac patients and in their first degree relatives, identifying those first degree relatives who would need further screening for celiac disease. METHODS Ninety celiac disease patients and 207 first degree relatives underwent serologic screening for celiac disease (endomysial and transglutaminase antibodies) followed by intestinal biopsy in positive patients. The HLA-DQA1*0501, DQB1*0201 and DRB1*04 frequencies of celiac patients and their first degree relatives were determined utilizing the PCR method. RESULTS All the celiac disease patients (n = 90) with the exception of one (1.1%) carried at least one of the alleles investigated. Altogether 11 (5.3%) of the investigated first degree relatives did not carry any of the alleles studied. Fourteen (6.7%) new cases of celiac disease were found among the 207 celiac disease patients first degree relatives. CONCLUSIONS Considering the cost-benefit of the HLA typing of all the first degree relatives of celiac patients, their HLA status should be decided on an individual basis, taking account of their profile and preferences, and the existence of other medical conditions.
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Dias MDCS, Castro LCGD, Gandolfi L, Almeida RCD, Córdoba MS, Pratesi R. Screening for celiac disease among patients with Turner syndrome in Brasília, DF, midwest region of Brazil. ARQUIVOS DE GASTROENTEROLOGIA 2011; 47:246-9. [PMID: 21140084 DOI: 10.1590/s0004-28032010000300007] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/24/2009] [Accepted: 12/18/2009] [Indexed: 01/15/2023]
Abstract
CONTEXT Several studies have demonstrated a higher prevalence of celiac disease (CD) among females with Turner syndrome when compared to the general population. Nevertheless, there is no record in literature concerning this investigation among Brazilian patients. OBJECTIVE To assess the prevalence of CD among a group of Brazilian patients with Turner syndrome. METHODS Fifty-six females with Turner syndrome and on gluten-containing diet were screened for CD utilizing immunoglobulin A antiendomysium (IgA-EMA) and immunoglobulin A anti-tissue transglutaminase (IgA-tTG) antibody assays. Additionally, they were genotyped for CD human leukocyte antigen (CD-HLA) predisposing alleles. Patients showing positivity in serological testing were offered to perform small intestine biopsy for histological confirmation. RESULTS Mean age at diagnosis of Turner syndrome was 5.5 ± 4.4 years; mean age at screening for CD was 17.0 ± 9.3 years (from 10 months of age to 52 years). Two girls were positive for IgA-EMA and IgA-tTG, presented predisposing HLA-DQ2 alleles and both had the diagnosis of CD confirmed by jejunal biopsy. CONCLUSION The 3.6% prevalence of biopsy-proven CD among this group of females with Turner syndrome is 10 times higher than the one among females from the general population of the same geographical area. This result provides additional support to an association between these two disorders and restates that girls and women with Turner syndrome represent a high risk population for developing CD.
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Tenório JM, Hummel AD, Cohrs FM, Sdepanian VL, Pisa IT, de Fátima Marin H. Artificial intelligence techniques applied to the development of a decision-support system for diagnosing celiac disease. Int J Med Inform 2011; 80:793-802. [PMID: 21917512 DOI: 10.1016/j.ijmedinf.2011.08.001] [Citation(s) in RCA: 49] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/13/2011] [Revised: 07/13/2011] [Accepted: 08/02/2011] [Indexed: 12/11/2022]
Abstract
BACKGROUND Celiac disease (CD) is a difficult-to-diagnose condition because of its multiple clinical presentations and symptoms shared with other diseases. Gold-standard diagnostic confirmation of suspected CD is achieved by biopsying the small intestine. OBJECTIVE To develop a clinical decision-support system (CDSS) integrated with an automated classifier to recognize CD cases, by selecting from experimental models developed using intelligence artificial techniques. METHODS A web-based system was designed for constructing a retrospective database that included 178 clinical cases for training. Tests were run on 270 automated classifiers available in Weka 3.6.1 using five artificial intelligence techniques, namely decision trees, Bayesian inference, k-nearest neighbor algorithm, support vector machines and artificial neural networks. The parameters evaluated were accuracy, sensitivity, specificity and area under the ROC curve (AUC). AUC was used as a criterion for selecting the CDSS algorithm. A testing database was constructed including 38 clinical CD cases for CDSS evaluation. The diagnoses suggested by CDSS were compared with those made by physicians during patient consultations. RESULTS The most accurate method during the training phase was the averaged one-dependence estimator (AODE) algorithm (a Bayesian classifier), which showed accuracy 80.0%, sensitivity 0.78, specificity 0.80 and AUC 0.84. This classifier was integrated into the web-based decision-support system. The gold-standard validation of CDSS achieved accuracy of 84.2% and k=0.68 (p<0.0001) with good agreement. The same accuracy was achieved in the comparison between the physician's diagnostic impression and the gold standard k=0. 64 (p<0.0001). There was moderate agreement between the physician's diagnostic impression and CDSS k=0.46 (p=0.0008). CONCLUSIONS The study results suggest that CDSS could be used to help in diagnosing CD, since the algorithm tested achieved excellent accuracy in differentiating possible positive from negative CD diagnoses. This study may contribute towards developing of a computer-assisted environment to support CD diagnosis.
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Gutierrez-Achury J, Coutinho de Almeida R, Wijmenga C. Shared genetics in coeliac disease and other immune-mediated diseases. J Intern Med 2011; 269:591-603. [PMID: 21401738 DOI: 10.1111/j.1365-2796.2011.02375.x] [Citation(s) in RCA: 58] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Abstract
Identifying disease-associated variants can improve the predictive models of disease risk and provide mechanistic insights into disease development. Coeliac disease (CD) is the only autoimmune trait with a known environmental trigger, which makes it an excellent model for studying the complexity of genetic and environmental factors in the development of autoimmunity. In this review, we will focus on the genetic loci that have recently been associated with CD and that contain genes involved in innate and adaptive immunity. Some of these loci are shared with other immune-mediated diseases, suggesting an overlap of the genetic mechanisms involved in the development of such diseases. Some therapies, e.g. tumour necrosis factor inhibitors or a gluten-free diet, are already proving effective for more than one autoimmune disease. Follow-up of individuals with a high genetic risk of CD and other autoimmune diseases could help to elucidate the role of environmental factors (such as infectious agents or alterations in the microbiome) and prevent disease development.
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Affiliation(s)
- J Gutierrez-Achury
- Department of Genetics, University Medical Centre Groningen and University of Groningen, Groningen, The Netherlands
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Mariné M, Farre C, Alsina M, Vilar P, Cortijo M, Salas A, Fernández-Bañares F, Rosinach M, Santaolalla R, Loras C, Marquès T, Cusí V, Hernández MI, Carrasco A, Ribes J, Viver JM, Esteve M. The prevalence of coeliac disease is significantly higher in children compared with adults. Aliment Pharmacol Ther 2011; 33:477-86. [PMID: 21166832 DOI: 10.1111/j.1365-2036.2010.04543.x] [Citation(s) in RCA: 54] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
BACKGROUND Some limited studies of coeliac disease have shown higher frequency of coeliac disease in infancy and adolescence than in adulthood. This finding has remained unnoticed and not adequately demonstrated. AIM To assess whether there are age and gender differences in coeliac disease prevalence. METHODS A total of 4230 subjects were included consecutively (1 to ≥80 years old) reproducing the reference population by age and gender. Sample size was calculated assuming a population-based coeliac disease prevalence of 1:250. After an interim analysis, the paediatric sample was expanded (2010 children) due to high prevalence in this group. Anti-transglutaminase and antiendomysial antibodies were determined and duodenal biopsy was performed if positive. Log-linear models were fitted to coeliac disease prevalence by age allowing calculation of percentage change of prevalence. Differences between groups were compared using Chi-squared test. RESULTS Twenty-one subjects had coeliac disease (male/female 1:2.5). Coeliac disease prevalence in the total population was 1:204. Coeliac disease prevalence was higher in children (1:71) than in adults (1:357) (P = 0.00005). A significant decrease of prevalence in older generations was observed [change of prevalence by age of -5% (95% CI: -7.58 to -2.42%)]. In the paediatric expanded group (1-14 years), a decrease of coeliac disease prevalence was also observed [prevalence change: -17% (95% CI: -25.02 to -6.10)]. CONCLUSIONS The prevalence of coeliac disease in childhood was five times higher than in adults. Whether this difference is due to environmental factors influencing infancy, or latency of coeliac disease in adulthood, remains to be demonstrated in prospective longitudinal studies.
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Affiliation(s)
- M Mariné
- Department of Gastroenterology, Hospital Universitari Mútua de Terrassa, Universitat de Barcelona, Catalonia, Spain
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Castro-Antunes MM, Crovella S, Brandão LAC, Guimaraes RL, Motta MEFA, Silva GAPD. Frequency distribution of HLA DQ2 and DQ8 in celiac patients and first-degree relatives in Recife, northeastern Brazil. Clinics (Sao Paulo) 2011; 66:227-31. [PMID: 21484038 PMCID: PMC3059855 DOI: 10.1590/s1807-59322011000200008] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/10/2010] [Accepted: 11/03/2010] [Indexed: 02/06/2023] Open
Abstract
AIMS The aim of this study was to evaluate the frequencies of the HLA genotypes DQ2 and DQ8 and the alleles A1*05, A1*0201, B1*0201 and B1*0302 in individuals with celiac disease in Recife, northeastern Brazil. METHODS HLA DQ2 and DQ8 genotyping was performed for 73 individuals with celiac disease and 126 first-degree relatives with negative transglutaminase serology. The alleles DQA1*05, DQA1*0201, DQB1*02 and DQB1*0302 were identified by sequencing using specific primers and the EU-DQ kit from the Eurospital Laboratory, Trieste, Italy and double-checked by the All Set SPP kit (Dynal). RESULTS Among the 73 cases, 50 (68.5%) had the genotype DQ2, 13 (17.8%) had DQ8, 5 (6.8%) had DQ2 and DQ8, and 5 did not have any of these genotypes. Among the 5 negative individuals, four had the B1*02 allele and one did not have any of the alleles studied. B1*02 was the most frequent allele in both groups (94% in the patients and 89% in the control relatives). CONCLUSIONS In this study, celiac disease was associated with the genotypes DQ2 and DQ8. DQ2 predominated, but the distribution of the frequencies was different from what has been found in European populations and was closer to what has been found in the Americas. The high frequencies of the HLA genotypes DQ2 and DQ8 that were found in first-degree relatives would make it difficult to use these HLA genotypes for routine diagnosis of celiac disease in this group.
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Affiliation(s)
- Margarida Maria Castro-Antunes
- Department of Postgraduate Studies on Children and Adolescents' Health, Health Sciences Center, Federal University of Pernambuco.
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Modelli IC, Gandolfi L, Almeida RCD, Araújo GMAC, Picanço MDA, Pratesi R. Serological screening for celiac disease in symptomatic 12 to 36 month-old children. ARQUIVOS DE GASTROENTEROLOGIA 2010; 47:61-5. [PMID: 20520977 DOI: 10.1590/s0004-28032010000100011] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/17/2009] [Accepted: 07/07/2009] [Indexed: 11/21/2022]
Abstract
CONTEXT The correct diagnosis of celiac disease in environmentally deprived children is frequently hindered by the common presence of other causes for the classical celiac disease symptoms: malnutrition, failure to thrive and frequent diarrheas. OBJECTIVES To determine the prevalence of celiac disease in a group of 12 to 36 month-old children using immunoglobulin antibodies against gliadin (IgG and IgA-AGA), against endomysium (IgA-EMA), and against human tissue transglutaminase (IgA-tTG) as screening method. METHODS A total of 214 children (114 boys), aged 12 to 36 months, on gluten-containing diet, were admitted to the study. IgG and IgA-AGA, IgA-tTG and IgA-EMA tests were performed in all sera. Biopsy was obtained from all children showing positive result in one or more of the serologic tests, excluding those in which IgG-AGA had been the only positive result. In those cases, polymerase chain reaction (PCR) HLA genotyping for the identification of celiac disease predisposing alleles was applied. HLA genotyping was also performed to confirm the diagnosis in children identified as celiac by means of positive serologic testing and compatible biopsy results. RESULTS Normal results were obtained in 131 children. Ten children out of 68 identified as positive exclusively on the IgG-AGA test disclosed the presence of celiac disease predisposing alleles on PCR and underwent jejunal biopsy with normal results. All serologic tests were positive in four children. A fifth child showed positive IgG and IgA-AGA and IgA-tTG results but disclosed a negative IgA-EMA test. Jejunal biopsy of these five children revealed characteristic lesions of celiac disease. CONCLUSION A prevalence of 2.3% was found among symptomatic 12- to 36-month-old children that had not been previously diagnosed as celiac.
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Affiliation(s)
- Inês Cristina Modelli
- Graduate Program in Health Sciences, University of Brasilia School of Health Sciences, Brasilia, DF, Brazil
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Cooper GS, Bynum MLK, Somers EC. Recent insights in the epidemiology of autoimmune diseases: improved prevalence estimates and understanding of clustering of diseases. J Autoimmun 2009; 33:197-207. [PMID: 19819109 DOI: 10.1016/j.jaut.2009.09.008] [Citation(s) in RCA: 496] [Impact Index Per Article: 33.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Abstract
Previous studies have estimated a prevalence of a broad grouping of autoimmune diseases of 3.2%, based on literature review of studies published between 1965 and 1995, and 5.3%, based on national hospitalization registry data in Denmark. We examine more recent studies pertaining to the prevalence of 29 autoimmune diseases, and use these data to correct for the underascertainment of some diseases in the hospitalization registry data. This analysis results in an estimated prevalence of 7.6-9.4%, depending on the size of the correction factor used. The rates for most diseases for which data are available from many geographic regions span overlapping ranges. We also review studies of the co-occurrence of diseases within individuals and within families, focusing on specific pairs of diseases to better distinguish patterns that may result in insights pertaining to shared etiological pathways. Overall, data support a tendency for autoimmune diseases to co-occur at greater than expected rates within proband patients and their families, but this does not appear to be a uniform phenomenon across all diseases. Multiple sclerosis and rheumatoid arthritis is one disease pair that appears to have a decreased chance of coexistence.
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Affiliation(s)
- Glinda S Cooper
- Department of Environmental and Occupational Health, George Washington University School of Public Health and Health Services, Washington, DC 20052, USA.
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Brandt KG, Silva GAPD. [Seroprevalence of celiac disease at a general pediatric outpatient clinic]. ARQUIVOS DE GASTROENTEROLOGIA 2009; 45:239-42. [PMID: 18852954 DOI: 10.1590/s0004-28032008000300014] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/27/2007] [Accepted: 01/08/2008] [Indexed: 12/18/2022]
Abstract
BACKGROUND Celiac disease is a common problem affecting children and adults, for which early diagnosis and treatment prevent complications and deaths. Seroprevalence studies in our environment are still scarce. AIMS To determine the seroprevalence of celiac disease by using human tissue antiendomysial and anti-transglutaminase antibodies, among children and adolescents who were attended at a general pediatric outpatient clinic. METHODS This was a seroprevalence study of descriptive cross-sectional design. First, assays for guinea pig tissue anti-transglutaminase antibodies were performed. Subsequently, in the positive cases, assays for human tissue antiendomysial and anti-transglutaminase antibodies were performed. RESULTS The seroprevalence of celiac disease by means of anti-guinea pig tissue anti-transglutaminase antibodies was 5% (42/831; 95% CI: 3.76%-6.90%). Considering three positive tests, the seroprevalence was 1.9% (16/831; 95% CI: 1.83%-1.97%). The concordance of human anti-transglutaminase with antiendomysial was 71%. CONCLUSIONS The seroprevalence of celiac disease was high. Serological screening for celiac disease among children and adolescents who present signs and/or symptoms compatible with celiac disease should be performed routinely, as well as in groups already known to be at risk, given the high seroprevalence of celiac disease observed in our environment.
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Affiliation(s)
- Kátia Galeão Brandt
- Programa de Pós-Graduação em Saúde da Criança e do Adolescente, Universidade Federal de Pernambuco, Recife, PE, Brazil
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Abstract
OBJECTIVES To verify the existence of possible relation between maternal celiac disease (CD) and the appearance of neural tube defects (NTD) in the newborn serological testing in 208 mothers with NTD-affected pregnancy were performed. METHODS All sera were tested for total serum immunoglobulin A (IgA) levels and for IgA class endomysial antibody using indirect immunofluorescence technique. Participant age ranged from 19 to 43 years (mean: 33 years). None had been previously investigated for or had a family history of CD. RESULTS Immunoglobulin levels were normal and results of the IgA-endomysial antibody tests were negative in all women tested. CONCLUSION This study, although nonconclusive, did not corroborate earlier findings described in the literature of increased frequency of CD in mothers with a history of NTD-affected pregnancy. At this moment we feel that a routine screening for CD in pregnant women to avoid a possible pregnancy aggravated by NTD would not be justifiable.
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Almeida PLD, Gandolfi L, Modelli IC, Martins RDC, Almeida RCD, Pratesi R. Prevalence of celiac disease among first degree relatives of Brazilian celiac patients. ARQUIVOS DE GASTROENTEROLOGIA 2008; 45:69-72. [PMID: 18425232 DOI: 10.1590/s0004-28032008000100013] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Subscribe] [Scholar Register] [Received: 03/26/2007] [Accepted: 09/10/2007] [Indexed: 02/05/2023]
Abstract
BACKGROUND Several studies have shown that celiac disease, an autoimmune disorder that occurs in genetically susceptible individuals, is highly prevalent among relatives of celiac patients. AIM To determine the prevalence of celiac disease in a group of first degree relatives of Brazilian celiac patients. METHODS First degree relatives of celiac patients attending the Brasilia University Hospital Pediatric Gastroenterology Outpatient Clinic or the Celiac Disease Investigation Center, Brasília, DF, Brazil, between March 2001 and November 2004 were invited to undergo serological screening for celiac disease applying the IgA anti-endomysium antibody test (IgA-EMA). All positive IgA-EMA sera underwent a second screening using the IgA anti-tissue transglutaminase antibodies test. Duodenal or small intestinal biopsies were performed in all subjects positive to serological testing. Biopsy samples were classified as type (O) normal, (I) infiltrative, (II) infiltrative hyperplastic, (III) flat destructive, and (IV) atrophic hypoplastic. The final diagnosis was ascertained in subjects showing positive serological tests and a grade I to III small intestinal lesion. RESULTS Nine new cases of celiac disease were found among the 188 first degree relatives tested (4.8%). CONCLUSION The present study confirms the high prevalence of celiac disease among first degree celiac patients relatives and reinforces the need of extensive diagnostic screening in this specific group.
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Prevalence and predictive signs for gastrointestinal lesions in premenopausal women with iron deficiency anemia. Dig Dis Sci 2008; 53:3138-44. [PMID: 18465236 DOI: 10.1007/s10620-008-0298-7] [Citation(s) in RCA: 22] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/06/2008] [Accepted: 04/10/2008] [Indexed: 12/13/2022]
Abstract
INTRODUCTION The reported rates of gastrointestinal (GI) lesions among pre-menopausal women with iron deficiency anemia (IDA) vary considerably. AIM To assess the prevalence of significant gastrointestinal lesions among symptomatic and asymptomatic pre-menopausal women with IDA, and to shed light on potential predictors of their presence. METHODS Clinical, endoscopic, and histological data was collected from 116 pre-menopausal women with IDA. All women underwent upper and lower gastrointestinal tract endoscopies, duodenal biopsies, and small bowel evaluation with small bowel series or computed tomography. RESULTS The mean age was 33 years (range: 18-45). Clinically, significant lesions were demonstrated in 30%, the majority in the upper gastrointestinal tract. Helicobacter pylori gastritis was the most common finding (16%). Celiac disease was detected in 6%. No malignant lesions were detected. The prevalence of lesions was highest among women with symptoms of heartburn and regurgitation. The presence of upper gastrointestinal symptoms (OR: 3.67, 95%CI: 2.14-5.03; P = 0.002), MCV lower than 70 pg (OR: 1.88, 95%CI: 1.27-3.91; P = 0.04), and hemoglobin levels less than 10 g/dl (OR: 1.71, 95%CI: 1.19-4.07; P = 0.05) were associated with an increased likelihood of significant gastrointestinal lesions; history of heavy menstrual blood loss was associated with negative findings (OR: 0.46, 95%CI: 0.27-0.69; P = 0.002). CONCLUSIONS Upper GI findings, mainly HP gastritis and celiac disease, were the most common pathologic findings. Initial evaluation of IDA in premenopausal women may include urea breath test and celiac serology. Further endoscopic evaluation can be reserved for those women who are found to be negative in the initial evaluation, as well as in cases of failure of IDA remission after successful HP eradication.
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Federation of International Societies of Pediatric Gastroenterology, Hepatology, and Nutrition consensus report on celiac disease. J Pediatr Gastroenterol Nutr 2008; 47:214-9. [PMID: 18664878 DOI: 10.1097/mpg.0b013e318181afed] [Citation(s) in RCA: 75] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
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Cassol CA, De Pellegrin CP, Wahys MLC, Pires MMDS, Nassar SM. [Clinical profile of Santa Catarina members of Brazilian Celiac Association]. ARQUIVOS DE GASTROENTEROLOGIA 2007; 44:257-65. [PMID: 18060282 DOI: 10.1590/s0004-28032007000300015] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/11/2006] [Accepted: 06/25/2007] [Indexed: 01/29/2023]
Abstract
BACKGROUND Celiac disease is an enteropathy induced by gluten in genetically predisposed individuals. AIM To establish the demographic and clinical characteristics of this disease in Santa Catarina State, Brazil. METHODS A descriptive transversal study was performed involving members of a regional celiac association, to whom a questionnaire focusing various aspects of the disease was sent. RESULTS From a total of 506 members, 145 (28.7%) were enrolled in the study--all of them biopsy-proven celiacs. Their mean age was 30.8 years (range, 3.3-82.5 years). Female to male rate was 2.1:1. The mean age at diagnosis was 16 years for men and 26.7 years for women. Most frequently reported symptoms were: abdominal distention (71.8%), abdominal pain (71%) and diarrhea (65.5%). Anemia, aphthous ulcers and constipation were more related by women, while diarrhea and low weight were more frequent in men. Only 42.1% of the participants had been submitted to biopsies compatible with a correct investigation of the disease (44.2 % had been submitted to biopsy only after gluten exclusion of the diet and 11.7% did not mentioned whether they were in a gluten-free diet when biopsied). Only 61.4% had been submitted to serological tests for diagnostic or dietary control purposes. Associated diseases were related by 65% of the individuals, of which the most common was lactose intolerance (33%). Vitaminic or mineral supplementation was indicated to 45% and only 32.5% have had bone mineral density measured. Of these, 59% had altered results. CONCLUSIONS The results suggest a tendency of diagnosis of celiac disease in older ages, specially among women. This may indicate the necessity of improving public and medical knowledge in Santa Catarina concerning the diagnosis and treatment of this disease.
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Affiliation(s)
- Clarissa Araujo Cassol
- Departamento de Pediatria, Centro de Ciências da Saúde, Universidade Federal de Santa Catarina, Florianópolis, SC.
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