A cross-sectional study of Latex allergy among operation room staff of hospitals of Tehran University of Medical Sciences, 1380-81

Latex allergy is a major occupational disease with prevalence nearly 5-17% among the health care workers. To determine the prevalence of latex glove allergy and its contributing factors among operation room staff. Patients and In this study, 512 operation room staff were evaluated for latex allergy, using a complete questionnaire. Those suspected to have latex allergy underwent these tests: Eosinophils counting, measurement of serum total and latex specific IgE, latex skin prick test, latex and glove additives patch test. From evaluated staff, 178 (34.8%) had a history of sensitivity to latex gloves, from which 59 persons underwent the tests voluntarily. According to the results of the tests, 13 (22%) had type I allergy to latex, 3 (5.1%) had type IV allergy to latex and 9 (15.3%) had both allergies. There were no significant relationship between latex allergy and age, sex, job, season, family and personal history of allergies. Significant relationship was found between type I allergy to latex and allergy to kitchen gloves and also between type IV allergy and allergy to other plastic clothing. Prevalence of latex allergy in this study is much higher than similar studies, which demands more evaluation to determine the contributing factors.