期刊
SCANDINAVIAN JOURNAL OF GASTROENTEROLOGY
卷 39, 期 7, 页码 645-649出版社
TAYLOR & FRANCIS AS
DOI: 10.1080/00365520410005405
关键词
human volunteers; irritable bowel syndrome; lactose intolerance; milk hypersensitivity
Background: Symptoms after intake of milk are common in persons with irritable bowel syndrome (IBS). The aims of this study were to compare the prevalence of lactose malabsorption (LM) and symptoms related to intake of milk and lactose in subjects with IBS with that of healthy volunteers, and to search for symptoms that are characteristic of LM. Methods: A case-control study in a Norwegian population was initiated. Subjects with IBS were asked for symptoms related to intake of milk and lactose, tested for LM, and compared with a group of healthy volunteers. Results: The study comprised a total of 187 persons ( 82 with IBS and 105 volunteers), females/males: 138/49, mean age 47 years. In subjects with IBS and in healthy volunteers, LM was present in 3/74 (4.1%) and 4/105 (3.8%), respectively (ns), milk-related symptoms in 32/79 (40%) and 13/105 (12%), respectively ( P < 0.001) and symptoms after intake of lactose in 28/74 (38%) and 21/104 (20%), respectively ( P = 0.01). Borborygmi starting within 5 h after intake of lactose and lasting for more than 2 h indicated LM ( OR 61 (95% CI: 8 - 475), P < 0.001). Conclusions: IBS and LM are unrelated disorders in a Norwegian population. Milk-related symptoms and symptoms after intake of lactose are unreliable predictors for LM. Precise symptom-based criteria might enhance the diagnostic accuracy for LM.
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