REFERATE GENERALE

Sindromul polen-alimente (PFAS)

 Pollen-food allergy syndrome (PFAS)

First published: 31 octombrie 2023

Editorial Group: MEDICHUB MEDIA

DOI: 10.26416/Aler.7.3.2023.8793

Abstract

Pollen-food allergy syndrome (PFAS) is an immediate allergic reaction mediated by immunoglobulin E. This reaction occurs due to cross-reactivity between pollen and food in patients with previous pollen sensitization. PFAS causes symptoms such as itching, hives or oedema, mainly occurring in the lips, orally and pharyngeal, therefore being often referred to as oral allergy syndrome. However, systemic reactions such as anaphylaxis have been described more frequently recently. This diversity in the degree of symptoms is related to the types of trigger foods and the characteristics of the allergens (Jeon et al., 2020).
 

Keywords
oral allergy syndrome, cross-reactivity, immunoglobulin E, anaphylaxis, immunotherapy

Rezumat

Sindromul de alergie la polen-alimente (PFAS) reprezintă o reacţie alergică imediată mediată de imunoglobulina E (IgE). Această reacţie se produce ca urmare a reactivităţii încrucişate dintre polen şi alimente, la pacienţii cu sensibilizare anterioară la polen. PFAS determină apariţia unor simptome precum prurit, urticarie sau edem, apărute în principal la nivelul buzelor, la nivel oral şi faringian, de aceea este adesea denumit sindromul alergiei orale. Recent au fost descrise tot mai frecvent reacţii sistemice, respectiv anafilaxie. Această diversitate în ceea ce priveşte gradul simptomelor este legată de tipurile de alimente declanşatoare şi de caracteristicile alergenelor (Jeon et al., 2020).
 

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