Effect of the elimination diet in psoriasis: a clinical case

Abstract

Psoriasis (PS) is a multifactorial disease with a dominant role of genetic predisposition, but the questions of PS etiology and pathogenesis still remain open. The development of PS can be facilitated by environmental factors, as well as a violation of the skin barrier and immune imbalance. In the literature of recent years, an association in clinical practice between PS and atopic diseases (atopic dermatitis, bronchial asthma, allergic rhinitis) has been increasingly reported. As a result of the increase in the prevalence of allergic diseases in the world, a special role is given to the study of nutrition, in particular food allergy in the development of PS. An elimination diet under food allergy is the main type of etiotropic therapy that prevents the launch of immunopathological inflammatory reactions. However, the literature does not provide data on the positive effect of the elimination effect in food allergy in patients with psoriasis.

The purpose of this work was to present a clinical case of the effectiveness of the elimination diet for food allergy in a patient with PS.

Methods. A specific allergological examination of a 65-year old patient with widespread PS (suffering from the age of 25) was carried out: determination of the concentration of total immunoglobulin E (IgE), eosinophilic cationic protein and allergen-specific IgE to food, pollen, fungal allergens in the blood serum by enzyme-linked immunosorbent assay, skin prick testing with food and pollen allergens. Taking into account the specific allergological examination, the patient was prescribed a diet with the elimination of causally significant allergens, including cross-reacting ones, for a period of 1–3 months (with the exception of chicken eggs, cereals, buckwheat, baker’s yeast and products based on yeast fermentation, cereal products (bread, bakery, rolled oats, bran, oatmeal cookies, cereals, pasta); as well as peanuts, smoked sausages, coffee, cocoa, ice cream, sherbet, sesame, sorghum, honey and bee products, strawberries, wild strawberries, citrus, legumes, soybeans, sorrel, herbal teas, tree fruits (raw apples, peaches, cherries; nuts, exotic fruits), celery, raw carrots, tomatoes).

Results. The demonstrated clinical case indicates that the appointment of an elimination diet in patients with PS with concomitant food allergies contributes to the rapid regression of the skin process. The increased concentration of total IgE in blood serum revealed during patient examination, the presence of positive reactions to food and pollen allergens according to the results of skin prick testing and the determination of allergen-specific IgE, the positive food elimination effect demonstrate the important role of allergic reactions in the development of skin lesions in PS. The presented observation demonstrates the importance of conducting a specific allergic examination in patients with PS, including an allergic history, determining the concentration of total and allergen-specific IgE, and eosinophilic cationic protein in blood serum, studying the spectrum of sensitization to food, pollen and fungal allergens by skin prick testing.

Conclusion. Thus, as a result of the study, it was found that the appointment of an individual elimination diet, taking into account the results of a specific allergological examination, can contribute not only to the effective resolution of foci of psoriatic skin lesions, but also to the prevention of the progression of the systemic inflammatory process, reducing the risk of comorbid conditions and, therefore, improving the life quality of patients with psoriasis.

Keywords:psoriasis; food allergy; allergens; hay fever; atopic dermatitis

Funding. The study was not sponsored.

Conflict of interest. The authors declare no conflict of interest.

Contribution. The concept and design of the study – Barilo A.A., Smirnova S.V.; data collection – Barilo A.A.; statistical data processing – Barilo A.A., Sinyakov A.A.; writing the text – Barilo A.A.; editing, approval of the final version of the article, responsibility for the integrity of all parts of the article – all authors.

For citation: Barilo A.A., Smirnova S.V., Sinyakov A.A. Effect of the elimination diet in psoriasis: a clinical case. Voprosy pitaniia [Problems of Nutrition]. 2022; 91 (4): 90–6. DOI: https://doi.org/10.33029/0042-8833-2022-91-4-90-96 (in Russian)

References

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CHIEF EDITOR
CHIEF EDITOR
Viktor A. Tutelyan
Full Member of the Russian Academy of Sciences, Doctor of Medical Sciences, Professor, Scientific Director of the Federal Research Centre of Nutrition, Biotechnology and Food Safety (Moscow, Russia)
Вскрытие
Medicine today

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