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Nutrient drink test: A promising new tool for irritable bowel syndrome diagnosis

World Journal of Gastroenterology 2019年第7期25卷 837-847页

作者： Fermin Estremera-Arevalo marta barcelo Blanca Serrano Enrique Rey Department of Gastroenterology Complejo Hospitalario de Navarra Department of Gastroenterolgy Hospital Infanta Leonor Department of Digestive Diseases Hospital Clinico San Carlos Department of Digestive Diseases Hospital Clinico San Carlos and Complutense University

BACKGROUND Irritable bowel syndrome(IBS) is a highly prevalent condition. It is diagnosed on the basis of chronic symptoms after the clinical and/or investigative exclusion of organic diseases that can cause similar symptoms. There is no reproducible noninvasive test for the diagnosis of IBS, and this raises diagnostic uncertainty among physicians and hinders acceptance of the diagnosis by patients.Functional gastrointestinal(GI) syndromes often present with overlapping upper and lower GI tract symptoms, now believed to be generated by visceral hypersensitivity. This study examines the possibility that, in IBS, a nutrient drink test(NDT) provokes GI symptoms that allow a positive differentiation of these patients from healthy subjects.AIM To evaluate the NDT for the diagnosis of IBS.METHODS This prospective case-control study compared the effect of two different nutrient drinks on GI symptoms in 10 IBS patients(patients) and 10 healthy controls(controls). The 500 kcal high nutrient drink and the low nutrient 250 kcal drink were given in randomized order on separate days. Symptoms were assessed just before and at several time points after drink ingestion. Global dyspepsia and abdominal scores were derived from individual symptom data recorded by two questionnaires designed by our group, the upper and the general GI symptomquestionnaires, respectively. Psycho-social morbidity and quality of life were also formally assessed. The scores of patients and controls were compared using single factor analysis of variance test.RESULTS At baseline, IBS patients compared to controls had significantly higher levels of GI symptoms such as gastro-esophageal reflux(P = 0.05), abdominal pain(P =0.001), dyspepsia(P = 0.001), diarrhea(P = 0.001), and constipation(P = 0.001) as well as higher psycho-social morbidity and lower quality of life. The very low incidence of GI symptoms reported by control subjects did not differ significantly for the two test drinks. Compared with the low nutrient drink, IBS patients with the high nutrient

关键词： Irritable bowel syndrome Nutrient drink test Non-invasive Dyspepsia Screening

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