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Systemic Lupus Erythematosus
The sense of smell in systemic lupus erythematosus
Article first published online: 29 APR 2009
DOI: 10.1002/art.24491
Copyright © 2009 by the American College of Rheumatology
Additional Information
How to Cite
Shoenfeld, N., Agmon-Levin, N., Flitman-Katzevman, I., Paran, D., Katz, B.-S. P., Kivity, S., Langevitz, P., Zandman-Goddard, G. and Shoenfeld, Y. (2009), The sense of smell in systemic lupus erythematosus. Arthritis & Rheumatism, 60: 1484–1487. doi: 10.1002/art.24491
Publication History
- Issue published online: 29 APR 2009
- Article first published online: 29 APR 2009
- Manuscript Accepted: 9 FEB 2009
- Manuscript Received: 13 NOV 2008
- Abstract
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Abstract
Objective
To assess the olfactory functions in systemic lupus erythematosus (SLE) patients compared with age- and sex-matched healthy controls, and to examine the association between the sense of smell and disease activity and central nervous system (CNS) involvement.
Methods
Olfactory functions in 50 SLE patients and 50 age- and sex-matched controls were evaluated using the Sniffin' Sticks test, the 3 stages of which are threshold, discrimination, and identification (TDI) of different odors. TDI scores were analyzed according to SLE disease activity and CNS involvement.
Results
In both the SLE and control groups, smell deficit correlated with male sex and older age. A decrease in the sense of smell was observed in SLE patients (46%) and controls (25%) (P ≤ 0.02), while loss of smell (anosmia) was documented only in SLE patients (10%). Total TDI scores and individual stages of smell correlated with SLE Disease Activity Index (P < 0.001) and CNS manifestations (P < 0.03).
Conclusion
Our findings suggest that there is a decrease in the sense of smell in SLE patients compared with healthy subjects and that the decrease in the sense of smell among SLE patients correlates with disease activity and CNS involvement.