Αρχειοθήκη ιστολογίου

Πέμπτη 28 Φεβρουαρίου 2019

Factors associated with relapses among patients treated for acute urticaria

Abstract

The benefit of corticosteroids in acute urticaria is controversial. Our objective was to determine the factors associated with relapses in patients presenting with acute urticaria. A retrospective observational study, including all patients with acute urticaria who visited the angioedema reference center of Academic Public Hospitals – Saint‐Antoine in Paris between January 2015 and June 2017, was conducted. The study inclusion criterion was a diagnosis of acute urticaria in an adult patient. The urticaria was spontaneous or inducible urticaria. The primary outcome was relapse at day 7 and the secondary outcome was relapse at week 6. A total of 184 patients with a first episode of acute urticaria were included. Most of the patients were female (66%) with a mean age of 42 ± 16 years. Corticosteroid administration for treatment of acute urticaria was used in 102 (55%) patients. Overall, 85 (46%) patients had relapses after less than 7 days whereas 168 (91%) patients had relapses after more than 6 weeks. In univariate analysis, the rate of corticosteroid administration was significantly higher in cases of relapse after less than 7 days. No difference in relapse rates after more than 6 weeks appeared. In the multivariate analysis, the independent factor associated with relapses after less than 7 days was the administration of corticosteroids as treatment of acute urticaria (odds ratio, 1.93; 95% confidence interval, 1.06–3.57; P = 0.03). The prevalence of corticosteroid administration for patients with acute urticaria was high. Corticosteroid administration was an independent risk factor associated with relapses after less than 7 days.



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