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Biomedical subjects

E Businco

Publications and source records attributed to E Businco.

At least 19 recordsLinked to original sources

Month of birth and grass pollen or mite sensitization in children with respiratory allergy: a significant relationship.

This report describes a retrospective analysis of the month of birth distribution of 2124 children with respiratory allergy in the Rome district between 1964 and 1985, in comparison with the total live births in the same district over the same period. Of the 2124 children, 1685 had positive skin tests and/or RAST only to mites, and 439 only to grass pollen (P much less than 0.001). A significant relationship was found between grass or mite sensitization and the month of birth. A high proportion of children born in June-September had mite allergy (P less than 0.005), and even higher was that of those born in March-May with grass sensitivity (P much less than 0.005), compared with the total live birth distribution in the Rome district in the same years as the children examined. These results are consistent with the idea that allergy may be associated with a period of susceptibility to sensitization in early infancy.

Adolescent↗

[Therapy of allergic rhinitis in childhood].

Allergic rhinitis is the most common of all allergic disorders. After summarising the clinical features and diagnostic approach with regard to differential diagnosis, we will discuss the therapeutic modalities. As with all long-term therapy measures, it is essential to persuade both the child and the parents to participate in the treatment and to get their co-operation.

Asthma↗

Double-blind crossover trial with oral sodium cromoglycate in children with atopic dermatitis due to food allergy.

Thirty-one children with atopic dermatitis, aged 6 months to 10 years, were selected for this trial. All had historical, clinical, and laboratory evidences that allergy to food was the cause of exacerbations of eczema. Either oral sodium cromoglycate (SCG) or a matching placebo was administered orally for 8 weeks, followed by the alternative treatment for a further 8-week period. During the first 4 weeks of each treatment period, patients remained on an exclusion diet. During the second 4 weeks, the offending food(s) was reintroduced into the diet. The severity of the eczema and the changes in severity as a result of diet or challenge were measured both by the clinician (using body diagrams) and by parents (using a daily diary card). Analysis of the clinician's scoring and the patient's diary card scores demonstrated a statistically significant difference in favour of SCG, especially in the group where the placebo preceded the active treatment. Sodium cromoglycate does seem to reduce the exacerbations of atopic dermatitis caused by food allergens.

Administration, Oral↗

Systemic mastocytosis in a 5-year-old child: successful treatment with disodium cromoglycate.

Most clinical signs and symptoms of systemic mastocytosis (SM) are attributed to histamine release. We report here a 5-year-old male child with SM, who suffered from the age of 4 months from disseminated skin lesions, vomiting, diarrhoea, abdominal pain, flushing, tachycardia, hypotension, somnolence, and transient blindness, triggered by heat and egg ingestion. Oral disodium cromoglycate (DSCG) or placebo were started in a single blind trial at a dose of 100 mg/kg/day in four divided doses. The child was studied for 21 months during the administration of three courses of DSCG, each of 6 months' duration, interspersed with three 1-month courses of placebo. During treatment with DSCG all the systemic manifestations improved, and the histaminaemia decreased. During the placebo periods the symptoms, signs, and histaminaemia recurred.

Child, Preschool↗

A three year controlled study in children with pollinosis treated with immunotherapy.

The clinical course of 87 children with pollen induced rhinitis or both rhinitis and asthma was followed in a prospective controlled study over a three year period. All children were treated with specific IT. The long term results have shown that IT was successful in 94% of children with asthma and rhinitis and 90% with rhinitis given more than 80,000 PNU. By contrast, the outcome of 78 selected controls also followed during the same period who did not receive IT was almost exactly the opposite. In addition to demonstrating the clinical effectiveness of IT, the authors stress the relationship among successful results, highest tolerated doses, and larger cumulative dosage which is irrespective of the duration of the therapy. The authors also discuss whether the children in the control group should be injected with placebo solutions or treated with all available medication.

Adolescent↗

Effectiveness of oral sodium cromoglycate (SCG) in preventing food allergy in children.

The efficacy of oral SCG in preventing food allergy symptoms in children was investigated. Ten children with cow's milk and/or egg IgE-mediated allergy were selected for this study. The subjects were challenged with the offending food before and after a seven-day pre-treatment period with oral SCG (30 mg/kg b.w. per day). Full protection was achieved in six out of eight children with cow's milk allergy and in four of the five children with egg allergy. The mode of action of SCG in the prevention of clinical manifestations of food allergy is discussed.

Administration, Oral↗

Intradermal skin tests with Dermatophagoides pteronyssinus in asthmatic children: correlation with specific IgE and bronchial provocation tests.

The purpose of the present study was to compare the results of the skin tests, the specific IgE levels and bronchial provocation tests in a group of sensitive asthmatic children with a Dermatophagoides pteronyssinus extract standardized by the RAST inhibition method. Skin tests showed a positive 'end point' in twelve children of 0.5 U/ml antigen; in eleven 5 U/ml; seven of 50 U/ml; six of 500 U/ml. Specific IgE was present in thirty-three children (92%). A close relationship between positive skin tests and serum IgE levels was found. Bronchial provocation tests were positive in twenty-eight children (78%): eight children with both positive RAST and positive skin tests had negative bronchial provocation tests.

Adolescent↗