Arquivos de Asma, Alergia e Imunologia
https://www.aaai-asbai.org.br/article/doi/10.5935/2526-5393.20200050
Arquivos de Asma, Alergia e Imunologia
Artigo Original

Atopia e/ou angioedema no paciente com urticária colinérgica com revisão da literatura

Atopy and/or angioedema in patients with cholinergic urticaria with a literature review

Guacira Rovigatti Franco; Jaqueline Cubo Brandão; Grazielly de Fátima Pereira; Jorge Kalil; Antônio Abilio Motta; Rosana Câmara Agondi

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Resumo

Introdução: A urticária colinérgica (UCol) é um subtipo de urticária crônica induzida, desencadeada pela sudorese e o aumento da temperatura corporal. A associação de UCol com atopia é referida como um possível subtipo mais grave. A manifestação de angioedema estaria associada a um quadro mais prolongado de urticária e a sintomas extracutâneos, por exemplo, anafilaxia. Objetivo: Avaliar a frequência de atopia e/ou angioedema nos pacientes com UCol, em um centro terciário. Métodos: Estudo retrospectivo de prontuários de pacientes com UCol acompanhados em um centro terciário. Todos apresentavam teste de provocação para UCol positivo. A frequência de atopia e/ou angioedema foi avaliada nestes pacientes, como também as características gerais nestes subgrupos. Resultados: Foram incluídos 30 pacientes, sendo 60% do gênero feminino e idade (média) de 32,9 anos e tempo de doença (média) de 7,5 anos. O angioedema foi referido por 8 pacientes (26,7%), não foram observadas diferenças significantes entre os dois grupos (com e sem angioedema). Em relação à atopia, 9 pacientes (30%) realizaram a investigação através de IgE específica para aeroalérgenos, sendo positivo em 6 destes (66,7%). Embora sem diferença estatística, o grupo de pacientes com UCol e atopia apresentava valores de IgE sérica total mais elevados e maior frequência de associação com outras urticárias induzidas. Conclusões: Neste estudo, a frequência de atopia foi elevada e associada a níveis elevados de IgE sérica total. O angioedema foi relatado em mais de um quarto dos pacientes, independente da associação com UCE, favorecendo a uma maior gravidade à UCol. Doze pacientes (40%) não responderam aos anti-histamínicos, apesar da dose quadruplicada, sendo necessários outros esquemas terapêuticos.

Palavras-chave

Urticária, urticária crônica, angioedema, tratamento farmacológico, hipersensibilidade.

Abstract

Introduction: Cholinergic urticaria (CholU) is a subtype of chronic induced urticaria that is triggered by sweating and increased body temperature. The association of CholU with atopy is referred to as a possible subtype but more severe. The manifestation of angioedema is believed to be associated with more prolonged urticaria and extracutaneous symptoms such as anaphylaxis. Objective: To assess the frequency of atopy and/or angioedema in patients with CholU in a tertiary care center. Methods: A retrospective study of medical records of patients with CholU followed-up at a tertiary care center was conducted. All patients had a positive test for CholU. The frequency of atopy and/or angioedema was assessed in these patients, as well as the general characteristics in the subgroups. Results: Thirty patients were included in the study; 60% were female, mean age was 32.9 years, and mean disease duration was 7.5 years. Angioedema was reported by eight patients (26.7%). There were no significant differences between the two groups (with and without angioedema). Concerning atopy, nine patients (30%) underwent investigation using specific IgE for aeroallergens, with six positive results (66.7%). Although there was no statistical difference, the group of patients with CholU and atopy had higher total serum IgE values and a higher frequency of association with other induced urticaria. Conclusions: In this study, the frequency of atopy was high and associated with high levels of total serum IgE. Angioedema was reported in more than a quarter of patients, regardless of the association with ECU , favoring greater severity of ChoIU. Twelve patients (40%) did not respond to antihistamines, despite the quadrupled dose, requiring other therapeutic regimens.

Keywords

Urticaria, chronic urticaria, angioedema, pharmacological treatment, hypersensitivity.

Referências

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Submetido em:
11/07/2020

Aceito em:
23/09/2020

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