The aging gastrointestinal tract: Epidemiology and clinical significance of disorders of gut‐brain interaction in the older general population
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SummaryBackgroundMost previous reports on the prevalence of disorders of gut‐brain interaction (DGBI) show higher rates in younger individuals. Exceptions are faecal incontinence and functional constipation.AimTo compare prevalence rates for 22 DGBI and 24 primary symptoms, by age, using the Rome Foundation Global Epidemiology (RFGES) study dataset.MethodsThe RFGES dataset enables diagnosis of 22 DGBI among 54,127 participants (≥18 years) in 26 countries. Older age was defined as ≥65 years. We assessed differences between age groups by sex, geographic region, somatisation, abnormal anxiety and depression scores, quality of life (QoL), individual gastrointestinal symptoms and disease severity for irritable bowel syndrome (IBS).ResultsRates for any DGBI were 41.9% and 31.9% in the <65 and ≥65 age groups, respectively. For all Rome IV diagnoses except faecal incontinence, rates were higher in the younger group. The older group had lower scores for any DGBI by geographic region, non‐gastrointestinal somatic symptoms, abnormal anxiety and depression scores, and IBS severity, and better scores for QoL. The mean number of endorsed symptoms and their frequency were higher in the younger group.ConclusionsIn this large general population study, the prevalence and impact of DGBI, apart from faecal incontinence, were higher in the younger group. Despite this, DGBI rates are still high in absolute terms in the ≥65 age group and necessitate clinical awareness and, perhaps, an age‐specific treatment approach.
