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Pathophysiological and psychosocial study in patients with functional vomiting.
Yiming Zhao1, Meiyun Ke, Zhifeng Wang
1Department of Gastroenterology, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences, Beijing, China.
Journal of Neurogastroenterology and Motility
|August 4, 2010
Summary
Functional Vomiting (FV) is linked to psychological distress and abnormal gastric function. Both central and peripheral factors likely contribute to its development in patients.
Area of Science:
- Gastroenterology
- Psychosomatic Medicine
- Clinical Psychology
Background:
- Functional Vomiting (FV) is a complex condition with unclear etiology.
- Understanding predisposing factors and pathogenesis is crucial for effective management.
Purpose of the Study:
- To investigate clinical characteristics, contributing factors, and psychosocial aspects of Functional Vomiting.
- To explore the potential pathogenesis of FV by examining physiological and psychological parameters.
Main Methods:
- A study involving 19 Functional Vomiting patients and 10 healthy controls.
- Assessment of gastrointestinal symptoms and psychological state using validated questionnaires (Zung, Eysenck).
- Objective measurements including electrogastrography, gastric accommodation, and intragastric pressure.
Main Results:
- FV predominantly affects young females, often co-occurring with functional dyspepsia.
- Emotional changes and stress were identified as significant contributors.
- Patients exhibited abnormal psychological status, gastric dysrhythmia, impaired accommodation, and heightened gastric sensitivity.
Conclusions:
- Functional Vomiting is associated with both psychological abnormalities and gastrointestinal dysmotility.
- Evidence suggests a multifactorial pathogenesis involving both central and peripheral mechanisms.
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