195 Prevalence of major allergies among children and adolescents

Varonier, H. S.; Haller, J.; Schopfer, C.

doi:10.1016/0091-6749(83)90319-6

Cited by 9 publications

(10 citation statements)

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“…Several reports have shown an increase in the prevalence of hay fever*RF 15-18* and eczema15,17,19 over the past few decades. Our results suggest that factors such as declining family size and subsequent decreased exposure to common infectious diseases may indeed be associated with the increase in the prevalence of atopic diseases in Western countries.…”

Section: Discussionmentioning

confidence: 99%

Skin test reactivity and number of siblings

Mutius

Martinez

Fritzsch

et al. 1994

BMJ

440

222

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* Detecting urinary tract infection in early childhood is important for preventing renal damage * Suprapubic aspiration of urine is considered in Britain to be a difficult technique * This study showed that use of ultrasound guidance makes suprapubic aspiration in children and babies easy and safe * Low bacterial counts were present in the urine of two fifths of the children with abnormalities ofthe urinary tract * Clinicians should regard low bacterial counts as important had vesicoureteric reflux. Secondly, few of the nonbacteriuric specimens showed pyuria. All the children from whom these specimens came were being investigated for febrile illnesses. Thus the view that pyuria often occurs as a non-specific response to fever seems untenable. Two thirds of the children with sterile pyuria were neonates, of whom many were premature and many were taking antibiotics; the possibility of bloodbome urinary tract infection, known to occur in neonates,"3 is strong. Radiological abnormalities were found in about a third of the children who were investigated.We suggest that clinicians should always seek an explanation for sterile pyuria and should consider the possibility of urinary tract infection if sterile pyuria persists.We thank Drs G M Lewis, M J Hardman, and E R Wozniak for permission to include their patients and Veronica Symes for typing the manuscript. Design-Cross sectional survey among schoolchildren aged 9-11 years. Skin prick tests in the children and selfcompletion ofwritten questionnaire by their parents.

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Section: Discussionmentioning

confidence: 99%

Skin test reactivity and number of siblings

Mutius

Martinez

Fritzsch

et al. 1994

BMJ

440

222

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“…In Switzerland, hay fever prevalence in adults has been on the rise since the 1920s [9]. In adolescents, two surveys 10 yrs apart demonstrated an increase in asthma prevalence [4] and GASSNER et al [10] gave evidence for rising prevalence rates of hay fever in a small sample of Swiss adolescents monitored yearly between 1983 and 1992. This increase in hay fever was paralleled by an increase in sensitisation rates to common inhalant allergens.…”

mentioning

confidence: 99%

“…Over recent decades, a large number of epidemiological studies investigating the change in prevalence of childhood asthma and allergies using the same methodology and examining the same population showed an increase in the occurrence of the disease [1][2][3][4]. Although individual studies may be criticised because of methodological limitations [5], the consistency of the results of w20 studies reporting an asthma increase of y5% per annum over the period of observation argues for a true change in prevalence [6].…”

mentioning

confidence: 99%

No further increase in asthma, hay fever and atopic sensitisation in adolescents living in Switzerland

Braun‐Fahrländer

Gassner²,

Grize³

et al. 2004

Eur Respir J

194

124

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Prevalence rates of childhood asthma and allergy have been on the increase for several decades. The present study investigated whether this trend continued during the 1990s in adolescents living in Switzerland.Between 1992 and 2000, the change in prevalence of specific immunoglobulin E to aeroallergens, asthma symptoms and hay fever symptoms assessed by parents9 and students9 answers to the International Study of Asthma and Allergies in Childhood questions was investigated using three cross-sectional surveys. In total 1,324 (74.9%), 1,668 (80.6%) and 1,250 (73.9%) adolescents participated.Prevalence rates of asthma and current asthmatic symptoms remained constant, irrespective of whether the assessment was based on parental questionnaires or the student9s self-completed written or video questionnaires (students9 report of current wheeze 8.8, 7.3, and 8.3%). Similarly, no further increase was observed for reported hay fever rates and allergic sensitisation rates (positive multiscreen allergy test, SX1-test: 34.6, 38.9, and 35.6%, respectively). Although time trends in the occurrence of a series of known risk factors were recorded, none of these factors had a significant impact on asthma and allergy prevalence over time.No further increase in asthma and allergy rates occurred during the 1990s in adolescents living in Switzerland. However, to adequately assess the trend a longer period of observation is needed.

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“…Weltweit [13,23] [20], zwischen Städten und ländlichen Gebieten [25] sowie nach der Wiedervereinigung zwischen Ost-und Westdeutschland [11], wobei letztere inzwischen zu verschwinden scheinen [19,24]. Lebensstil wie Besuch von Kindertagesstätten [12], Besuch von Waldorfschulen [1,7] und Leben auf dem Bauernhof [14,21] scheinen das Erkrankungsrisiko zu beeinflussen.…”

Section: Weltweite Zunahme Allergischer Erkrankungenunclassified

Phytotherapie und andere komplementäre Verfahren bei Allergie

Wieblitz

2012

Zeitschrift für Komplementärmedizin

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195 Prevalence of major allergies among children and adolescents

Cited by 9 publications

References 0 publications

Skin test reactivity and number of siblings

Skin test reactivity and number of siblings

No further increase in asthma, hay fever and atopic sensitisation in adolescents living in Switzerland

Phytotherapie und andere komplementäre Verfahren bei Allergie

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