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Autonomic functions and gastric motility in children with functional abdominal pain disorders

World Journal of Gastroenterology 2019年第1期25卷 95-106页

作者： Amaranath Karunanayake Shaman Rajindrajith Hitanadura Asita de Silva sampath gunawardena Niranga Manjuri Devanarayana Department of Physiology Faculty of Medicine University of Ruhuna Department of Paediatrics Faculty of Medicine University of Kelaniya Department of Pharmacology Faculty of Medicine University of Kelaniya Department of Physiology Faculty of Medicine University of Kelaniya

BACKGROUND Abdominal pain-predominant functional gastrointestinal disorders(AP-FGIDs)are the most common cause of recurrent abdominal pain in children. Despite its high prevalence, the underlying pathophysiology of this condition is poorly *** To assess the role of gastric dysmotility and autonomic nervous system dysfunction in the pathophysiology of *** One hundred children, fulfilling Rome III criteria for AP-FGIDs, and 50 healthy controls, aged 5 to 12 years, were recruited after obtaining parental consent. All patients were investigated for underlying organic disorders. Gastric motility and cardiovascular autonomic functions were assessed using validated non-invasive *** The main gastric motility parameters assessed(gastric emptying rate [45.7 vs 59.6 in controls], amplitude [48.7 vs 58.2], frequency of antral contractions [8.3 vs 9.4],and antral motility index [4.1 vs 6.4]) were significantly lower in children with AP-FGIDs(P 0.05). The duration of pain episodes negatively correlated with the parasympathetic tone(maladaptive parasympathetic tone)(P< 0.05).CONCLUSION Children with AP-FGIDs have abnormal gastric motility but normal cardiovascular autonomic functions. There is no relationship between abnormal gastric motility and autonomic functions. The pathogenesis of AP-FGIDs is not related to cardiovascular autonomic dysfunction.

关键词： Abdominal pain Functional gastrointestinal disorders Autonomic function Gastric motility

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