Abstract
Objective:
To study the association of dry eye with lupus disease activity and cumulative damage. To verify if epidemiological, treatment and autoantibody profile of SLE (systemic Lupus erythematosus) patients influence the presence of dry eye.
Methods:
We studied 70 SLE patients for the presence of dry eye by Schirmer test, disease activity by SLEDAI (SLE-Disease activity index) and cumulative damage by SLICC/ACR DI (Systemic Lupus International Collaborating Clinics/American College of Rheumatology Damage Index). Patients were also submitted to the OSDI (Ocular Surface Disease Index) questionnaire. Epidemiological and treatment data and autoantibody profile were extracted from the charts.
Results:
Dry eye by Schirmer test was present in 51.4% of the sample. No association of the presence of dry eye with SLEDAI and SLICC DI were found (p = ns). Subjective symptoms of dry eye measured by OSDI showed a modest correlation with SLEDAI (Spearman rho = 0.32). Treatment profile did not influence in the presence of dry eye that was more common in older patients (p < 0.0001). Anti dsDNA had a negative association with the presence of positive Schirmer test (p = 0.0008).
Conclusions:
Dry eye detected by Schirmer test in SLE patients has no association with disease activity nor cumulative damage. Anti dsDNA seems to have a protective effect in this context.
Keywords:
Systemic lupus erythematosus; Dry eye syndrome; Autoantibodies