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Association between chronic pruritus, depression, and insomnia: A cross-sectional study
Jaein Lee1, Hyunyi Suh2, Hyejung Jung1
1Department of Dermatology, National Medical Center, Seoul, Korea.
JAAD International
|August 19, 2021
Summary
Chronic pruritus, or persistent itching, is strongly linked to insomnia and depression. These psychological conditions can intensify the itching sensation, impacting quality of life.
Area of Science:
- Dermatology
- Psychiatry
- Clinical Research
Background:
- Chronic pruritus significantly impairs patient quality of life.
- Understanding the psychological comorbidities of chronic pruritus is crucial.
Purpose of the Study:
- To investigate the association between chronic pruritus and psychological conditions such as insomnia and depression.
- To quantify the impact of psychological factors on pruritus intensity.
Main Methods:
- A survey was administered to 91 participants with chronic pruritus.
- Data collected included demographic information, pruritus intensity (Visual Analog Scale, 4-item itch questionnaire), insomnia severity (Insomnia Severity Index), and depression levels (Beck Depression Inventory).
Main Results:
- Patients experiencing insomnia or depression reported significantly more intense pruritus compared to those without these conditions.
- Multivariable analysis indicated that moderate to severe pruritus was associated with a higher likelihood of depression (OR: 10.95).
- No significant differences in insomnia or depression severity were observed across different skin diseases.
Conclusions:
- Chronic pruritus is significantly associated with both insomnia and depression.
- These psychological comorbidities appear to be independent of the specific underlying skin disease etiology.
- The findings highlight the importance of addressing psychological factors in managing chronic pruritus.
Keywords:
BDI, Beck Depression InventoryCI, confidence intervalIQR, interquartile rangeISI, Insomnia Severity IndexOR, odds ratioSD, standard deviationVAS, visual analog scalechronic pruritusdepressioninsomniavisual analog scaleMore Related Videos
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