Chronic Spontaneous Urticaria
Conditions
Interventions
Sponsors
Eligibility
Inclusion criteria
Inclusion criteria: 1) Age: 18 - 80 years old, gender not restricted; 2) Confirmed as CSU by the dermatology department of the Western Theater Command General Hospital, in accordance with the guidelines of EAACI/GA²LEN/EuroGuiDerm/APAAACI (symptoms lasting >= 6 weeks, without clear external triggering factors); 3) Medical records or questionnaires provide the onset time and the time of diagnosis, allowing for the calculation of diagnostic delay; 4) Agree to sign the informed consent form, allowing for the extraction of medical record data (CRF) and participation in questionnaires/ interviews; 5) Interviews are prioritized for patients with a diagnostic delay of > 12 months or an HADS score of >=8, to explore significant psychological burden or barriers to seeking medical treatment.
Exclusion criteria
Exclusion criteria: 1) Unconfirmed CSU, such as only diagnosed as "urticaria" or acute urticaria; 2) Diagnosed as chronic inducible urticaria (CIndU) or other skin diseases (such as urticarial vasculitis, eczema); 3) The medical record lacks the time of symptom onset or diagnosis, making it impossible to calculate the diagnostic delay; 4) Age less than 18 years or more than 80 years, or having severe cognitive impairment, unable to complete the questionnaire/interview; 5) Complicated with severe systemic diseases (such as systemic lupus erythematosus, malignant tumors), which may interfere with the CSU diagnosis or psychological assessment; 6) Refused to sign the informed consent form.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Time from symptom onset to diagnosis (days); | — |
Secondary
| Measure | Time frame |
|---|---|
| Quality of life score (CU-Q2oL total score); Psychological status score (HADS total score);Symptom severity (UAS7 score);Number of misdiagnoses before correct diagnosis; | — |
Countries
China
Contacts
General Hospital of Western Theater Command