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  • Review Article
  • Published:

Childhood functional abdominal pain: mechanisms and management

Key Points

  • Functional abdominal pain is a common problem in childhood worldwide

  • Currently, children with functional abdominal pain are diagnosed with one of the abdominal-pain-related functional gastrointestinal disorders (AP-FGIDs) defined by the Rome III criteria

  • The Rome criteria have encouraged health-care workers to make a positive diagnosis and have advanced empirical research in childhood AP-FGIDs

  • Increased knowledge of the pathophysiology of AP-FGIDs has led to a biopsychosocial model in which genetic, physiological and psychological factors interplay

  • To date, high-quality efficacy studies on treatment in paediatric AP-FGIDs are scarce

  • Available evidence indicates beneficial effects of hypnotherapy and cognitive behaviour family therapy; evidence for a low FODMAP diet, probiotics, peppermint oil, cyproheptadine or famotidine is promising

Abstract

Chronic abdominal pain is one of the most common clinical syndromes encountered in day to day clinical paediatric practice. Although common, its definition is confusing, predisposing factors are poorly understood and the pathophysiological mechanisms are not clear. The prevailing viewpoint in the pathogenesis involves the inter-relationship between changes in hypersensitivity and altered motility, to which several risk factors have been linked. Making a diagnosis of functional abdominal pain can be a challenge, as it is unclear which further diagnostic tests are necessary to exclude an organic cause. Moreover, large, well-performed, high-quality clinical trials for effective agents are lacking, which undermines evidence-based treatment. This Review summarizes current knowledge regarding the epidemiology, pathophysiology, risk factors and diagnostic work-up of functional abdominal pain. Finally, management options for children with functional abdominal pain are discussed including medications, dietary interventions, probiotics and psychological and complementary therapies, to improve understanding and to maximize the quality of care for children with this condition.

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Figure 1: Pathogenesis of childhood functional abdominal pain.
Figure 2: Diagnostic algorithm for childhood functional abdominal pain.
Figure 3: Therapeutic algorithm for childhood functional abdominal pain.

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Acknowledgements

The authors would like to acknowledge the support of A. P. Fernando for the development of Figure 1.

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J.K., N.M. and S.R. researched data for this article and drafted the initial manuscript. All authors contributed equally to substantial discussions of content and reviewing/editing the manuscript before submission.

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Correspondence to Marc A. Benninga.

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Korterink, J., Devanarayana, N., Rajindrajith, S. et al. Childhood functional abdominal pain: mechanisms and management. Nat Rev Gastroenterol Hepatol 12, 159–171 (2015). https://doi.org/10.1038/nrgastro.2015.21

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