Assessing Pruritus in Hidradenitis Suppurativa: A Cross-Sectional Study

Hidradenitis suppurativa Research


Author(s): Vossen ARJV, Schoenmakers A, van Straalen KR, Prens EP, van der Zee HH

BACKGROUND: Pruritus is still a forgotten aspect of hidradenitis suppurativa (HS) and, to date, has never been adequately studied.

OBJECTIVE: The aim of this study was to determine the prevalence, and explore the characteristics, of pruritus in a well-defined cohort of HS patients.

SETTING: An academic hospital-based cross-sectional study in The Netherlands.

METHODS: A numerical rating scale (NRS, 0-10) was used to determine the prevalence of HS-related itch (NRS score ≥3). Candidate predictors for pruritus were subsequently determined using logistic regression models, and the impact of pruritus was assessed using a modified five-dimensional (5-D) itch scale. Associated serological and histological markers of pruritus were (semi-)quantitatively investigated in a subpopulation.

RESULTS: The prevalence rate of pruritus in 211 HS patients was 57.3%, with a mean NRS score of 6.1 ± 2.0. Patients with a pruritus NRS score ≥3 had more HS-affected body sites than patients with a score <3 (p < 0.001). The occurrence of a pruritus NRS score ≥3 was associated with Hurley III disease (odds ratio [OR] 7.73; p = 0.003) and pain (OR 1.34; p < 0.001). Pruritus affected sleep and activities of daily living (ADL) in the majority of cases, with an associated modified 5-D itch score of 13.7 ± 3.6 (on a scale from 5 to 25) in 52 HS patients. Histological examination showed eosinophilic granulocytes were present in 25% (2/8) of the perilesional skin and 63% (10/16) of the lesional skin, while a perineural infiltrate was found in 25% (2/8) and 69% (11/16) of the perilesional and lesional skin, respectively.

CONCLUSION: Pruritus is a frequent but underreported symptom in patients with HS. Its moderate to severe intensity and significant impact on daily activities have great potential to impair patients’ quality of life.


Dermatology Journal and/or Publisher

Journal Name: American journal of clinical dermatology
Journal Abbreviation: Am J Clin Dermatol
Journal Date Published: 2017-04-21


National Center for Biotechnology Information

PMID: 28429245
Article Source: http://www.ncbi.nlm.nih.gov/pubmed/28429245
Lasted Revision: 2017-10-05


Abstract Source: National Center for Biotechnology Information, U.S. National Library of Medicine Abstract Query for Hidradenitis suppurativa (HS).


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