Lactose intolerance: new insights due to blinded testing?
نویسنده
چکیده
منابع مشابه
Lactose malabsorption and intolerance: pathogenesis, diagnosis and treatment.
Lactose malabsorption is a common condition caused by reduced expression or activity of lactase in the small intestine. In such patients, lactose intolerance is characterized by abdominal symptoms (e.g. nausea, bloating, and pain) after ingestion of dairy products. The genetic basis of lactose malabsorption is established and several tests for this condition are available, including genetic, en...
متن کاملFructose and lactose intolerance and malabsorption testing: the relationship with symptoms in functional gastrointestinal disorders
BACKGROUND The association of fructose and lactose intolerance and malabsorption with the symptoms of different functional gastrointestinal disorders (FGID) remains unclear. AIM To investigate the prevalence of fructose and lactose intolerance (symptom induction) and malabsorption and their association with clinical gastrointestinal (GI) as well as non-GI symptoms in FGID and the outcome of d...
متن کاملAnaphylaxis to supplemental oral lactase enzyme
BACKGROUND Anaphylactic reactions involving IgE mediated hypersensitivity have been frequently reported for a number of uncommon foods. However, cases of anaphylaxis to over the counter vitamins and oral supplements have been rarely published. Lactose intolerance affects approximately 20% of Canadians and roughly 70% of the world's population of any age. Lactose intolerance develops primarily d...
متن کاملFour-sample lactose hydrogen breath test for diagnosis of lactose malabsorption in irritable bowel syndrome patients with diarrhea.
AIM To validate 4-sample lactose hydrogen breath testing (4SLHBT) compared to standard 13-sample LHBT in the clinical setting. METHODS Irritable bowel syndrome patients with diarrhea (IBS-D) and healthy volunteers (HVs) were enrolled and received a 10 g, 20 g, or 40 g dose lactose hydrogen breath test (LHBT) in a randomized, double-blinded, controlled trial. The lactase gene promoter region w...
متن کاملCorrelation between symptoms developed after the oral ingestion of 50 g lactose and results of hydrogen breath testing for lactose intolerance.
BACKGROUND Lactase deficiency is a common condition responsible for various abdominal symptoms. Lactose hydrogen breath test is currently the gold standard in diagnosing lactose intolerance. AIM To assess sensitivity and specificity of symptoms developed after oral lactose challenge. METHODS Intensity of nausea, abdominal pain, borborygmi, bloating and diarrhoea was recorded every 15 min up...
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ورودعنوان ژورنال:
- Digestion
دوره 90 1 شماره
صفحات -
تاریخ انتشار 2014