Risk of Trace Element Imbalance in Cases of Occupational Allergic Diseases

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Introduction: The relevance of the study is attributed to the lack of knowledge of the mechanisms of development and specifics of the clinical picture of occupational allergic diseases. Objective: To establish the levels of essential trace elements in biological substrates of patients with occupational allergies. Materials and methods: In 2014–2018, we analyzed zinc and copper levels in urine, blood serum, and lymphocytes of patients with occupational allergic skin and respiratory diseases by the atomic absorption method. Relative risk was calculated using a four-field contingency table. Results: In patients with work-related allergic contact dermatitis and bronchial asthma, zinc and copper concentrations in blood serum increased while urinary excretion of these elements decreased. Quantitative patterns of the concentrations of trace elements in body fluids of the patients with skin and respiratory allergies were unidirectional compared to the reference group. Relative risk values showed that lower levels of copper in urine and zinc in blood serum and lymphocytes, as well as higher serum copper indicated the risk of trace element imbalance in the body. Conclusion: The risk of trace element imbalance due to occupational allergic diseases is associated with impaired copper and zinc balance. Our findings prove that the levels of microelements are additional factors that aggravate the course of occupational allergic disorders.