Prevalence of Respiratory Allergy Among Children and Adolescents in Geneva, Switzerland

Varonier, H. S.

doi:10.1159/000192731

Cited by 18 publications

(3 citation statements)

References 1 publication

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“…In a recent study of 700 schoolchildren in London, the relative prevalence of atopic to other forms of eczema was over 50-fold [Williams H.C., unpubl.]. Prevalence rates of eczema in this study are very similar to other studies that have examined similar age groups [11][12][13], and the proportion of such cases who later developed concurrent asthma and hay fever are entirely compatible with our assumption that eczema in this study was primarily atopic eczema. Some misclassification of eczema cases might have occurred, e.g.…”

Section: Discussionsupporting

confidence: 82%

Psoriasis and Eczema Are Not Mutually Exclusive Diseases

Williams

Strachan

1994

Dermatology

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Background: Some reports have suggested that psoriasis and eczema are seldom found together. Knowledge of disease co-occurrence could lead to improved understanding of shared or opposing pathological mechanisms. Objective: We sought to determine whether psoriasis and eczema could exist simultaneously and consecutively in the same individuals. Methods: Skin examination data relating to 9,263 British children born during March 3rd to 9th, 1958 (the National Child Development Survey), were analysed for the co-occurrence of eczema and psoriasis. Results: Of 354 children with visible eczema at the ages of 11 or 16 years, 5 (1.4%) were also noted to have visible psoriasis, compared to 89 (1.0%) of 8,909 children who did not have visible eczema at 11 or 16 years. The relative risk of psoriasis in a case of eczema was 1.41, 95% confidence intervals from 0.58 to 3.46. Conclusion: Contrary to some hospital-based studies which have suggested that the two diseases are seldom found together, this study of a large and representative population suggests that eczema and psoriasis may co-occur concurrently and consecutively in the same individual.

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Section: Discussionsupporting

confidence: 82%

Psoriasis and Eczema Are Not Mutually Exclusive Diseases

Williams

Strachan

1994

Dermatology

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“…In 1968 and 1981 Varonier [13] and Varonier et al [14] con ducted the only longitudinal study, namely in 15 year olds in Geneva schools, using the same methods of data collection. Between 1968 and 1981 there was a statistically significant increase from 4.40% to 6.11% (table 1); as we know, hay fever manifests itself in 2 out of 3 patients before the age of 14 years and in 8 out of 10 before the age of 20 years ( fig.…”

Section: Atopic Diseasesmentioning

confidence: 99%

Epidemiology of the Allergic Diseases: Are They Really on the Increase?

Wüthrich¹

1989

Int Arch Allergy Immunol

229

116

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Epidemiological studies on representative populations clearly demonstrate a significant general increase of atopic diseases during the last decades, mainly for pollinosis. For the manifestation of an atopic disease both allergen exposure, which leads to specific IgE antibody formation, and the presence of additional realization factors are required. The nature of the latter is still partially unknown. Careful interpretations of clinical and experimental observations show that besides indoor and outdoor pollution, increased exposure to allergens through changes in human way of living is an important cofactor responsible for the increased incidence of atopic diseases.

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“…Allergic diseases are common in childhood, and figures of 10-24% for overall allergic diseases have been reported from Europe and North America (1,2,3). Asthma, which is the disease that has been studied most extensively, is reported to occur in 2.5-9.3% of school children (2,4,5,6).…”

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confidence: 99%

Allergic Diseases in Swedish School Children

1989

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The occurrence of allergic diseases in children was studied on the basis of a questionnaire sent to the parents of 20,000 school children, 7, 10 and 14 years of age, in 3 parts of Sweden with different climatic conditions. The prevalence of asthma was 2.4%, allergic rhinoconjunctivitis 7.4%, eczema 7.8% and total allergic diseases 16.9%. The prevalence of all diseases was significantly higher in the northern part of the country than in the southern parts. This geographic variation was not related to heredity, infant feeding pattern or known exposure variables other than the cold and dry climate. Parental history of allergic diseases increased the incidence in the offspring 2-9 times, with a pattern of symptom specificity and a cumulative effect of double parental history. Breast-feeding postponed the onset of allergic disease only in children with double parental history.

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Prevalence of Respiratory Allergy Among Children and Adolescents in Geneva, Switzerland

Cited by 18 publications

References 1 publication

Psoriasis and Eczema Are Not Mutually Exclusive Diseases

Psoriasis and Eczema Are Not Mutually Exclusive Diseases

Epidemiology of the Allergic Diseases: Are They Really on the Increase?

Allergic Diseases in Swedish School Children

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