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Psychological symptoms remain moderately stable over 12 months in Rome IV IBS, while greater psychological burden accompanies persistent or worsening gastrointestinal symptoms.
A landmark 12-month prospective cohort study issued in the "Neurogastroenterology & Motility" highlights the dynamic interplay between central psychological distress and peripheral gastrointestinal (GI) symptoms in adults meeting the Rome IV criteria for irritable bowel syndrome (IBS).
While the strong cross-sectional link between psychological distress and severe GI symptoms is well-recognized, data tracking these patterns longitudinally have been limited. To address this, the authors evaluated community-dwelling adults recruited from three UK-based organizations. Out of 1,375 initial volunteers, 811 fulfilled the Rome IV IBS criteria at baseline, and 452 completed the 12-month follow-up assessment.
Subjects completed validated instruments assessing GI symptom severity—via the IBS Severity Scoring System (IBS-SSS)—alongside multiple psychological evaluations: the Hospital Anxiety and Depression Scale (HADS), Patient Health Questionnaire-12 (PHQ-12) for extraintestinal symptoms, Visceral Sensitivity Index (VSI) for GI symptom-specific anxiety, and the Perceived Stress Scale (PSS).
Psychological symptoms exhibited moderate stability over the 12-month follow-up, with Cohen’s kappa values ranging from 0.43 to 0.50 and agreement rates of 61.7%–69.5%. Those with persistently moderate-to-severe IBS symptoms consistently reported greater levels of:
Importantly, participants whose IBS symptoms worsened also experienced a rise in psychological symptom burden over time. These patterns suggest that psychological distress and GI symptom severity may alter together, highlighting the relevance of gut–brain interactions in IBS. These findings emphasize the intimate, dynamic interplay between the enteric and central nervous systems, aligning with modern understandings of gut-brain axis interactions.
Hence, routine clinical management of IBS must incorporate regular longitudinal assessments of psychological well-being and leverage integrated gut-brain behavioral therapies to successfully address both symptom domains.
Neurogastroenterology & Motility
Natural History of Psychological Symptoms in Individuals With Rome IV Irritable Bowel Syndrome and Association With Gastrointestinal Symptom Severity
Mais Khasawneh et al.
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