eISSN: 2299-0046
ISSN: 1642-395X
Advances in Dermatology and Allergology/Postępy Dermatologii i Alergologii
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SCImago Journal & Country Rank
2/2019
vol. 36
 
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abstract:
Original paper

Clinical characteristics and epidemiology of chronic urticaria: a nationwide, multicentre study on 1091 patients

Alina Jankowska-Konsur
,
Adam Reich
,
Jacek Szepietowski

Adv Dermatol Allergol 2019; XXXVI (2): 184-191
Online publish date: 2019/05/14
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Introduction
Urticaria is one of the most common skin diseases. Depending on the length of symptoms, acute (lasting less than 6 weeks) and chronic urticaria (CU) (> 6 weeks) are distinguished. According to the current European guidelines, CU is divided into inducible urticaria (IU) and chronic spontaneous urticaria (CSU).

Aim
To assess the epidemiology and clinical characteristics of CU in Poland.

Material and methods
This was a nationwide, multicentre, cross-sectional, questionnaire-based study performed under the auspices of the Polish Dermatological Society. A total of 102 physicians (dermatologists and allergists) recruited 1091 patients suffering from CU.

Results
Among 1091 adults with CU, IU was found in 35.1% (n = 383) of patients and CSU was responsible for 61.1% (n = 667) of CU cases. The remaining patients (n = 41, 3.8%) suffered from both, IU and CSU. Persons with CSU were twice more likely to report family history of urticaria than those with IU (12.1% vs. 6.0%, p = 0.001). Generalized eruptions of wheals predominated in CSU (generalized wheals: 57.9%, localized wheals: 42.1%), whereas wheals localized in particular body areas were found more commonly in IU (generalized wheals: 45.2%, localized wheals: 54.8%, p < 0.001). The CU was the cause of absenteeism in almost every fifth patient suffering from this disease.

Conclusions
The CSU is about twice as frequent cause of CU as compared to IU. The treatment of CU is a major challenge for physicians of various specialties and the treatment choice is closely associated with the specialist knowledge of current treatment guidelines.

keywords:

inducible urticaria, chronic spontaneous urticaria, allergic diseases

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