Nasal hyperreactivity among teachers in a school with a long history of moisture problems

American Journal of Rhinology
S RudbladJ-E Juto

Abstract

Upper airway symptoms have frequently been reported in people working or residing in damp buildings. However, little information has been available on objective pathophysiologic findings in relation to these environments. Twenty-eight teachers, who had worked for at least five years in a recently renovated school that had had severe moisture problems for years, were randomly selected for this study. Eighteen teachers, who had worked in another school that had no moisture problems, were randomly selected to serve as the control group. Although remedial measures had been taken, an increase in the prevalence of mucous membrane irritations was still reported by the teachers in the target school. We used a nasal challenge test with three concentrations of histamine (1, 2 and 4 mg/mL). Recordings of swelling of the nasal mucosa were made with rhinostereometry, a very accurate optical non-invasive method. The growth curves of mucosal swelling induced by the three concentrations of histamine differed significantly between the two groups (p < 0.01). The frequencies of atopy, evaluated with the skin-prick test, were almost identical in both groups. The study indicates that long-term exposure to indoor environments with moisture problems ...Continue Reading

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Citations

Nov 17, 2010·Occupational Medicine·V M VarnaiB Kanceljak Macan
Jan 28, 2016·International Archives of Occupational and Environmental Health·Kim A Angelon-GaetzMichelle L Hernandez
Jan 24, 2004·Paediatric and Perinatal Epidemiology·Dan Gustafsson, Kjell Andersson
Jun 5, 2007·Indoor Air·D Mudarri, W J Fisk

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