Quality of life in dermatomyositis
- PMID: 21722989
- PMCID: PMC3189436
- DOI: 10.1016/j.jaad.2010.10.016
Quality of life in dermatomyositis
Abstract
Background: Quality of life (QoL) for patients with inflammatory skin disease can be significant, but has been evaluated in just one study in dermatomyositis (DM).
Objective: We sought to examine the relationship between the Cutaneous Dermatomyositis Area (CDASI) and Severity Index, a DM-specific cutaneous severity instrument, and various QoL study instruments and to determine the impact of DM on QoL.
Methods: Skin-specific QoL instruments, the Skindex and the Dermatology Life Quality Index, and global medical QoL instruments, the Short Form 36 and the Health Assessment Questionnaire-Disability Index, were used. Pruritus was evaluated by a visual analog scale and a 0-to-10 scale in DM and cutaneous lupus erythematosus (CLE) populations, respectively.
Results: There was a significant correlation between the CDASI and all skin-specific QoL scores (lowest P = .0377). Using the Short Form 36, DM population was found to have significantly worse QoL scores than the general population with the exception of bodily pain (all subscore P values < .01). Furthermore, DM had a significantly lower vitality score, representing energy level, compared with CLE, hypertension, diabetes, and recent myocardial infarction scores (lowest P = .003). There was a significantly lower mental health score, representing overall mood, to all compared diseases except CLE and clinical depression (P values < .01 when significant). We found that DM produces more pruritus than CLE (P < .0001).
Limitations: A larger patient population needs to be studied to further assess QoL in patients with DM.
Conclusion: We conclude that DM has a large impact on QoL, even when compared with other diseases, and that DM skin disease activity correlates with a poorer QoL.
Published by Mosby, Inc.
Conflict of interest statement
Conflicts of Interest: Honoraria from Amgen, Centocor, Chemocentryx, and MedImmune (Fiorentino), grants from Centocor, Abbott labs, Amgen (Fiorentino), and a filed patent (U.S. Patent Application Serial Number 12/694,980 for:
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