Perception of lactose intolerance in irritable bowel syndrome patients

被引:31
|
作者
Dainese, Raffaella [1 ]
Casellas, Francesc [4 ]
Marine-Barjoan, Eugenia [1 ,2 ]
Vivinus-Nebot, Mylene [3 ]
Schneider, Stephane M. [1 ]
Hebuterne, Xavier [1 ]
Piche, Thierry [1 ]
机构
[1] Univ Nice Sophia Antipolis, Dept Gastroenterol, CHU Nice, F-06189 Nice, France
[2] Univ Nice Sophia Antipolis, Dept Publ Hlth, CHU Nice, F-06189 Nice, France
[3] Univ Nice Sophia Antipolis, Dept Immunol, CHU Nice, F-06189 Nice, France
[4] Hosp Univ Vall dHebron, Digest Syst Res Unit, Barcelona, Spain
关键词
hydrogen breath test; IgE-mediated hypersensitivity; irritable bowel syndrome; lactose intolerance; lactose malabsorption; FUNCTIONAL GASTROINTESTINAL DISORDERS; PERCEIVED FOOD INTOLERANCE; HYDROGEN BREATH TEST; QUALITY-OF-LIFE; SUBJECTIVE PERCEPTION; MAST-CELLS; MALABSORPTION; SYMPTOMS; HYPERSENSITIVITY; MILK;
D O I
10.1097/MEG.0000000000000089
中图分类号
R57 [消化系及腹部疾病];
学科分类号
摘要
Introduction The importance of lactose malabsorption in irritable bowel syndrome (IBS) is not well defined and these patients often complain of lactose intolerance. To objectively measure lactose malabsorption, a hydrogen breath test (HBT) can be performed, but a discrepancy emerges between the results of the HBT and the symptomatic response during the HBT. Aims To determine in a group of IBS patients whether self-perceived lactose intolerance and the symptomatic response to lactose HBT were conditioned by other factors besides the presence of lactose malabsorption. Materials and methods Oral challenge to lactose (50 g) was tested in 51 IBS patients to assess HBT malabsorption and the symptomatic response to lactose intolerance was scored on a validated questionnaire. Allergological screening for common inhalants and food allergens (including cow's milk) was performed. The presence of psychological factors (e. g. anxiety, depression, fatigue) was evaluated using validated questionnaires. Results A total of 21 out of 51 patients (41.1%) were self-perceived to be lactose intolerant, 24/51 (47%) had a positive HBT, and 14/51 (27.4%) presented with symptoms of lactose intolerance during HBT. The serological screening for inhalant and food allergens was positive in 6/21 (28.6%) and 4/21 (19%) of patients who self-perceived lactose intolerance and in 5/14 (37.5%) and 3/14 (21.4%) in intolerant patients symptomatic during HBT. Only 1/51 (1.9%) presented evidence of IgE-mediated hypersensitivity to cow's milk. Patients who experienced symptoms of lactose intolerance during HBT presented more severe IBS symptoms [326 (296-398) vs. 215 (126-295) P = 0.05] and a higher score of anxiety, depression, and fatigue. Factors influencing the symptoms of lactose intolerance during HBT resulted in an increase in hydrogen produced and in the severity of IBS. Conclusion In a cohort of 51 IBS patients, the symptoms of lactose intolerance during HBT were influenced by the capacity to absorb lactose and the severity of IBS. Other factors, such as the psychological status or an adverse reaction to milk, merit consideration as potential cofactors involved in lactose perception and tolerance. (C) 2014 Wolters Kluwer Health broken vertical bar Lippincott Williams & Wilkins.
引用
收藏
页码:1167 / 1175
页数:9
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