What lessons can we learn? Clinical and epidemiological retrospective analysis of 267 patients with urticaria in a Brazilian tertiary center

• Main Author: Criado,Roberta Fachini Jardim
• Publication Date: 2021
• Other Authors: Criado,Paulo Ricardo, Baldavira,Nathalia, Cardial,Debora, Gimenez-Arnau,Ana Maria, Machado Filho,Carlos D’Apparecida
• Format: Article
• Language: eng
• Source: Anais brasileiros de dermatologia (Online)
• Download full: http://old.scielo.br/scielo.php?script=sci_arttext&pid=S0365-05962021000400436
• topic: Angioedema; Biomarkers, pharmacological; Epidemiology; Treatment outcome; Urticaria

Abstract Background: There are few epidemiological studies of urticaria, published in the indexed literature (PubMed/Medline). Objective: The study aimed to evaluate the epidemiological and clinical data among patients with urticaria/angioedema attending a reference clinic in Brazil. Methods: Two hundred sixty-seven patients were evaluated retrospectively considering demographic data, time course of the disease, triggering symptoms, the presence of angioedema, complementary laboratory tests including total blood count, reactive-C protein, erythrocyte sedimentation rate, IgE serum levels, and other, as necessary. Results: The most commonly diagnosed type of urticaria was chronic spontaneous urticaria (56.93%). Angioedema was associated with chronic urticaria in 108 patients (40.08%). Study limitations: Unicentered and retrospective. Conclusion: Some relevant findings in this study are the observation of a female prevalence of cases (4-females: 1-man), a result more elevated than demonstrated in previous studies in Europe and Asia, the median age was 43-years old and the delay of time between the diagnosis of urticaria and the admission for treatment in a specialized center was approximately 2-years. Other multicenter studies can better establish these differences in Brazilian patients.