Table of Contents  

Functional gastroduodenal disorders

Alexandre Kracker Imthon, Maria Engel Moeller, Anne Mohr Drewes, Jacob Juel, Qasim Aziz
Published in : HAMDAN MEDICAL JOURNAL ; Vol 8, No 3 (2015)
DOI : 10.7707/hmj.460


Functional gastroduodenal disorders are chronic, heterogeneous conditions experienced by adults worldwide. The Rome III consensus recognizes four syndromes: functional dyspepsia, belching disorders, nausea and vomiting disorders and ruminating syndrome. Considerable advances have occurred in the field of functional gastroduodenal disorders. This review provides an overview of the definitions, epidemiology, clinical features, investigations and treatments of some of these disorders. Functional dyspepsia is divided into post-prandial distress syndrome (PDS) and epigastric pain syndrome (EPS). The prevalence of functional dyspepsia is about 11–20% in the western world. Dysfunctional gastrointestinal motility and hypersensitivity are involved in the generation of symptoms in some patients. Several classes of drugs are used to treat patients with functional dyspepsia, and the increasing understanding of pathophysiology will greatly affect future treatment regimens. Belching disorders may have either a behavioural or a physiological background, and therefore behavioural and speech therapies show promise, but definitive studies are required. The effect of fundoplication and drugs, such as a selective gamma-aminobutyric acid agonist baclofen, on belching await confirmatory studies on their usefulness. Mechanisms of functional nausea and vomiting are poorly understood, and their treatment currently focuses on pharmacological and non-pharmacological therapies, including antidepressants and psychological approaches.


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