Prevalence of inflammatory back pain in a cohort of patients with anterior uveitis

C C Chan, T Inrig, C B Molloy, Millicent A Stone, L Derzko-Dzulynsky

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Abstract

Purpose: To determine the prevalence of inflammatory back pain in an anterior uveitis cohort. Design: Retrospective cohort study. Methods: Patients with anterior uveitis were recruited from the clinic of an ophthalmologist to complete a survey between March and December 2008. Patients were classified with inflammatory back pain if they had ≥2 positive responses to 4 validated inflammatory back pain questions: presence of morning stiffness >30 minutes in duration; improvement in back pain with exercise but not with rest; awakening from back pain during the second half of the night only; and presence of alternating buttock pain. Disease activity was assessed using the Bath Ankylosing Spondylitis Disease Activity Index (BASDAI). The impact of disease on quality of life was measured using the EuroQOL (EQ-5D) questionnaire. Twenty-five patients underwent further rheumatologic examination. Results: One hundred forty-one of 167 patients (84.4%) completed the survey. Sixty-six of 141 patients (46.8%) were classified to have inflammatory back pain. Mean BASDAI (4.2, SD 2.41) and EQ-5D scores (0.73, SD 0.21) were lower than patients with no inflammatory back pain (0.82, SD 0.16, P = .0048). In the subgroup that underwent rheumatologic assessment, a classification of inflammatory back pain was 92% sensitive and 67% specific for a diagnosis of inflammatory back pain. Conclusions: The prevalence of inflammatory back pain in a cohort of anterior uveitis patients was found to be 46.8%. Patients with inflammatory back pain had worse quality of life than those without. Ophthalmologists may use these questions on back pain to select patients classified to have inflammatory back pain to refer for early rheumatologic assessment.
Original languageEnglish
Pages (from-to)1025-1030
Number of pages6
JournalAmerican Journal of Ophthalmology
Volume153
Issue number6
DOIs
Publication statusPublished - Jun 2012

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    Chan, C. C., Inrig, T., Molloy, C. B., Stone, M. A., & Derzko-Dzulynsky, L. (2012). Prevalence of inflammatory back pain in a cohort of patients with anterior uveitis. American Journal of Ophthalmology, 153(6), 1025-1030. https://doi.org/10.1016/j.ajo.2011.11.016