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Evaluating disorders of gut‐brain interaction in eating disorders
Author(s) -
Wiklund Camilla A.,
Rania Marianna,
KujaHalkola Ralf,
Thornton Laura M.,
Bulik Cynthia M.
Publication year - 2021
Publication title -
international journal of eating disorders
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.785
H-Index - 138
eISSN - 1098-108X
pISSN - 0276-3478
DOI - 10.1002/eat.23527
Subject(s) - eating disorders , psychology , developmental psychology , neuroscience , clinical psychology
Objective Eating disorders commonly co‐occur with gastrointestinal problems. This case–control study aimed to (a) document the prevalence of disorders of gut‐brain interaction (DGBI) in eating disorders, (b) examine the specific impact of disordered eating behaviors on the risk of DGBI, and (c) explore the impact of current eating disorder psychopathology on DGBI. Method We included 765 cases with eating disorders and 1,240 controls. DGBI were assessed via the ROME III questionnaire. Prevalences of DGBI were calculated across eating disorder diagnoses (anorexia nervosa, bulimia nervosa, and multiple eating disorders) and in controls. The association between disordered eating behaviors and DGBI was examined using logistic regression models. Lastly, we compared the total number of DGBI in individuals with high versus low current eating disorder symptoms. Results A large majority (88.2–95.5%) of individuals with eating disorders reported at least one DGBI and 34.8–48.7% reported three or more DGBI. Of the DGBI categories, functional bowel disorders were the most commonly endorsed category, and of the individual DGBI, irritable bowel syndrome was the most frequently reported (43.9–58.8%). All investigated disordered eating behaviors showed a positive association with most DGBI categories. Finally, individuals reporting high current eating disorder symptoms reported higher mean number of DGBI (3.03–3.34) than those with low current symptoms (1.60–1.84). Discussion The directionality and mechanisms underlying the nature of the relationship between gastrointestinal and eating disorder symptoms is worthy of further study and clinicians should adopt an integrated approach by attending to both gastrointestinal and eating disorder symptoms in their patients.

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