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[Milk intolerance in Colombian children, its prevalence and relation to lactose malabsorption].

A total of 121 children from an orphange were studied. Their ages ranged from 2 to 10 years and represented different ethnic backgrounds. The prevalence of malnutrition was 45% and their gastrointestinal symptomatology in response to graded amounts of milk intake was evaluated. None of the children complained when milk intakes were of 200 cc; 10% complained of gastrointestinal discomfort and/or diarrhea when 300 cc of milk (equivalent to 12 g of lactose) were administered, and 54% presented lactose malabsorption unrelated to ethnic background, sex or malnutrition. It is concluded that the prevalence of milk intolerance is minimal when milk is given in the usual amounts.

Age Factors↗

[Various problems of small-intestinal pathology in children with food allergy].

Altogether 54 children with food allergy characterized clinically by concomitant lesion of the skin and alimentary tract were examined. The results obtained attest to the involvement into the pathological process of the small intestine, to the combination of cow's milk protein and lactose intolerance as well as to the advisability of correcting intestinal dysbiocenosis in order to reduce the disease progress.

Adolescent↗

Tolerance to lactose among lactase-deficient American Indians.

To determine the amount of lactose that could be tolerated in a meal, 59 lactase-deficient American Indians, ranging in age from 5 to 62, were given graded doses of lactose. The diagnosis of lactase deficiency had beeen documented previously by showing increased breath hydrogen after an oral lactose load (2 g per kg, maximum 50 g). With this load, 88% of the subjects had symptoms. On 6 consecutive mornings, each subject was given a breakfast that contained graded doses of lactose ranging from 0 to 18 g. The order of the breakfasts was randomized and the contents were double-blinded. Symptoms, which were assessed by a "blinded" observer, were present after 9% of the breakfasts at all dosage levels, including the lactose-free breakfast. Thus, under the conditions of this study, a modest amount of lactose, equivalent to that present in 1 to 1 1/2 glasses of milk, when taken with a meal, is well tolerated by the lactase-deficient American Indian.

Adolescent↗