Original Articles: Systemic Allergic Disorders
Psychiatric morbidity and quality of life in patients with chronic idiopathic urticaria

https://doi.org/10.1016/S1081-1206(10)60617-5Get rights and content

Background

Chronic idiopathic urticaria (CIU) is a frequently occurring disease that has a great impact on the health-related quality of life (HRQL) of patients and seems to be associated with a number of psychological factors.

Objectives

To determine the prevalence of psychiatric morbidity in patients with CIU and to determine HRQL of CIU patients compared with controls.

Methods

A semistructured interview form, a generic form of the HRQL questionnaire (Medical Outcomes Study 36-Item Short-Form Health Survey [SF-36]), and the Structured Clinical Interview for DSM-IV Axis Disorders (SCID-I) were administered to CIU patients who presented to the Allergy Department of the University of Istanbul (from January 1 to April 30, 2005). Healthy subjects matched sociodemographically with the study group were used as the control group.

Results

Eighty-four CIU patients and 75 controls were included in the study. The mean ± SD age of the study participants was 36.83 ± 10.26 years, and 84% were women. The mean ± SD duration of the disease was 6.34 ± 7.2 years, and symptoms were intermittent in 51%. The SCID-I revealed a psychiatric diagnosis in 60% of the patients. In terms of the distribution of psychiatric diagnoses, the most frequently occurring diagnosis was depressive disorders (40%). Most patients (81%) believed that their illnesses were due to stress. The subdomains on the SF-36 measurements were significantly lower than those of the control subjects (P ≤ .005). The physical function, vitality, and mental health subdomains of the SF-36 in the patients with a psychiatric diagnosis were significantly lower (P < .05).

Conclusion

These findings suggested that psychiatric morbidity is high among ICU patients and is detrimental to their quality of life.

Section snippets

INTRODUCTION

Chronic urticaria (CU) is a common skin disorder characterized by recurrent and spontaneously occurring wheal and flares associated with pruritus. The traditional definition of CU is daily or almost daily occurrence of hives for more than 6 weeks, in contrast to acute urticaria, which disappears within less than 6 weeks.1, 2 CU predominantly affects adults and is approximately twice as common in women as in men. It remains a major problem in terms of etiology, investigation, and management.3

Patient Selection

Patients with CIU who met selection criteria among the first attending 350 patients who had applied to the Allergy Department at the University of Istanbul between January 1 and April 30, 2005, were included in the study. The criteria for inclusion in the study were as follows: (1) a diagnosis of CIU, (2) age between 18 and 65 years, (3) lack of any apparent psychotic symptom or mental retardation, (4) provision of informed consent, (5) ability to sufficiently read, write, and comprehend the

RESULTS

Eighty-four CIU patients and 75 controls were included in the study. The sociodemographic characteristics of the patient and control groups are given in Table 1. The mean ± SD duration of the disease was 6.34 ± 7.2 years. Symptoms were intermittent in 51% and persistent in 49% of the patients. According to combined symptom score assessments, disease was severe in 21%, moderate in 63%, and mild in 15% of study participants, although in patient symptom ratings, disease severity was slightly

DISCUSSION

In this study, 60% of CIU patients obtained a psychiatric diagnosis according to the SCID-I. Taking into consideration that 7% of these patients had received such a diagnosis only in the past, it was found that the rate of new psychiatric diagnosis was 52%. The rate of psychiatric disorders among patients with chronic physical diseases has been shown to be 29% to 40%.15, 16 The prevalence of psychiatric disorder in the general population in Turkey has been reported to be between 10% to 20%.17,

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