Risk factors for latex sensitization among health care workers
Vila L, Sánchez G, Añó M, Uasuf CG, Sanz ML.
Department of Allergy and Clinical Immunology, Faculty of Medicine, University of Navarra, Spain.
Magazine: Journal of Investigational Allergology and Clinical Immunology
Date: Nov 1, 1999Allergology and Immunology Department
Health care workers, children with spina bifida and rubber industry workers show higher prevalence of latex sensitization compared to the general population, and they are considered at-risk groups.
Our aim was to establish the prevalence of latex allergy among health care workers at the Clínica Universitaria of Navarra and to analyze potential risk factors, including personal and family history of atopy, sex, as well as factors leading to enhanced exposure to latex, such as being a nurse, belonging to surgical departments, having undergone previous surgery and the number of gloves employed per week. Health care workers (n = 1,150) (doctors, nurses, assistant nurses, laboratory technicians and practicing medical and nursing students) were evaluated using a questionnaire and skin prick test (SPT). Serum specific IgE was determined by CAP-FEIA (Pharmacia, Sweden) in those with positive SPT.
he participation index was 26.17%: 301 volunteers answered the questionnaire and underwent SPT. Fifteen subjects presented positive SPT to latex. It was found that 5% of the health care workers from the Clínica Universitaria were sensitized to latex allergens. Thirteen were females and two males. Mean age was 38.4 (+/- 7.09) years. Nine were nurses, three assistant nurses, one nursing student and two medical doctors. Eight belonged to medical, five to surgical and two to laboratory departments. There were no significant differences among the subjects in the prevalence of latex sensitization. Fourteen reported symptoms related to latex, mostly pruritus, dryness and/or redness of the hands (n = 12) and rhinitis (n = 6). Only one subject reported no symptoms when using latex products. Eight were atopic; personal history of atopy was the only significant (odds ratio = 5.10, p < 0.01) risk factor for latex sensitization.
It was concluded that atopic health care workers show a more increased risk of latex sensitization than those who are nonatopic.
CITATION J Investig Allergol Clin Immunol. 1999 Nov-Dec;9(6):356-60
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