Hanna Bonnekoh, Jannis Jelden-Thurm, Anastasiia Allenova, Yudi Chen, Ivan Cherrez-Ojeda, Inna Danilycheva, Irina Dorofeeeva, Roberta Fachini Jardim Criado, Paulo Ricardo Criado, Asli Gelincik Akkor, Tomasz Hawro, Emek Kocatürk, Maryam Khoshkhui, Martin Metz, Iman Nasr, Michał Steć, Zuotao Zhao, Felix Aulenbacher, Pascale Salameh, Sabine Altrichter, Margarida Goncalo, Ana Gimenez-Arnau, Marcus Maurer, Karoline Krause, Pavel Kolkhir
BACKGROUND: Chronic spontaneous urticaria (CSU) and urticarial vasculitis (UV) share several clinical features including the occurrence of wheals. As of yet, the criteria for differentiating the two disorders are not clearly defined. OBJECTIVE: Here, we aimed to identify differences, similarities and the likelihood for specific clinical features in UV versus CSU patients. METHODS: Across 10 Urticaria Centers of Reference and Excellence (UCAREs), 106 patients with skin biopsy-confirmed UV and 126 CSU patients were prospectively recruited to complete a questionnaire on the clinical features, course, and response to treatment of their disease...
June 24, 2023: Journal of Allergy and Clinical Immunology in Practice