{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,1,27]],"date-time":"2026-01-27T09:49:48Z","timestamp":1769507388162,"version":"3.49.0"},"reference-count":26,"publisher":"BMJ","issue":"6","content-domain":{"domain":["bmj.com"],"crossmark-restriction":true},"short-container-title":["BMJ Open"],"accepted":{"date-parts":[[2016,3,22]]},"published-print":{"date-parts":[[2016,6]]},"abstract":"<jats:sec>\n                  <jats:title>Objective<\/jats:title>\n                  <jats:p>The prevalence of coeliac disease (CD) in Vietnam is unknown. To fill this void, we assessed the prevalence of serological markers of CD autoimmunity in a population of children in Hanoi.<\/jats:p>\n               <\/jats:sec>\n               <jats:sec>\n                  <jats:title>Setting<\/jats:title>\n                  <jats:p>The outpatient blood drawing laboratory of the largest paediatric hospital in North Vietnam was used for the study, which was part of an international project of collaboration between Italy and Vietnam.<\/jats:p>\n               <\/jats:sec>\n               <jats:sec>\n                  <jats:title>Participants<\/jats:title>\n                  <jats:p>Children having blood drawn for any reason were included. Exclusion criteria were age younger than 2\u2005years, acquired or congenital immune deficiency and inadequate sample. A total of 1961 children (96%) were enrolled (838 females, 1123 males, median age 5.3\u2005years).<\/jats:p>\n               <\/jats:sec>\n               <jats:sec>\n                  <jats:title>Outcomes<\/jats:title>\n                  <jats:p>Primary outcome was the prevalence of positive autoimmunity to both IgA antitransglutaminase antibodies (anti-tTG) assessed with an ELISA test and antiendomysial antibodies (EMA). Secondary outcome was the prevalence of CD predisposing human leucocyte antigens (HLA) (HLA DQ2\/8) in the positive children and in a random group of samples negative for IgA anti-tTG.<\/jats:p>\n               <\/jats:sec>\n               <jats:sec>\n                  <jats:title>Results<\/jats:title>\n                  <jats:p>The IgA anti-tTG test was positive in 21\/1961 (1%; 95% CI 0.61% to 1.53%); however, EMA antibodies were negative in all. HLA DQ2\/8 was present in 7\/21 (33%; 95% CI 14.5% to 56.9%) of the anti-tTG-positive children and in 72\/275 (26%; 95% CI 21% to 32%) of those who were negative.<\/jats:p>\n               <\/jats:sec>\n               <jats:sec>\n                  <jats:title>Conclusions<\/jats:title>\n                  <jats:p>Coeliac autoimmunity is rare in Vietnam, although prevalence of HLA DQ2\/8 is similar to that of other countries. We hypothesise that the scarce exposure to gluten could be responsible for these findings.<\/jats:p>\n               <\/jats:sec>","DOI":"10.1136\/bmjopen-2016-011173","type":"journal-article","created":{"date-parts":[[2016,6,22]],"date-time":"2016-06-22T14:34:39Z","timestamp":1466606079000},"page":"e011173","update-policy":"https:\/\/doi.org\/10.1136\/crossmarkpolicy","source":"Crossref","is-referenced-by-count":18,"title":["Cross-sectional study of coeliac autoimmunity in a population of Vietnamese children"],"prefix":"10.1136","volume":"6","author":[{"given":"Sara","family":"Zanella","sequence":"first","affiliation":[{"name":"Department of Medical Sciences\/Pediatrics, University of Ferrara, Ferrara, Italy"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Luigina","family":"De Leo","sequence":"additional","affiliation":[{"name":"Institute for Maternal and Child Health\u2014IRCCS \u201cBurlo Garofolo\u201d, Trieste, Italy"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Le","family":"Nguyen-Ngoc-Quynh","sequence":"additional","affiliation":[{"name":"National Hospital of Pediatrics, Hanoi, Vietnam"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Bo","family":"Nguyen-Duy","sequence":"additional","affiliation":[{"name":"National Hospital of Pediatrics, Hanoi, Vietnam"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Tarcisio","family":"Not","sequence":"additional","affiliation":[{"name":"Institute for Maternal and Child Health\u2014IRCCS \u201cBurlo Garofolo\u201d, Trieste, Italy"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Mai","family":"Tran-Thi-Chi","sequence":"additional","affiliation":[{"name":"National Hospital of Pediatrics, Hanoi, Vietnam"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Son","family":"Phung-Duc","sequence":"additional","affiliation":[{"name":"National Hospital of Pediatrics, Hanoi, 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