Use of microperimetry to evaluate hydroxychloroquine and chloroquine retinal toxicity

被引:27
|
作者
Martinez-Costa, Lucia [1 ]
Victoria Ibanez, Maria [2 ]
Murcia-Bello, Cinta [1 ]
Epifanio, Irene [2 ]
Verdejo-Gimeno, Cristina [1 ]
Beltran-Catalan, Emma [3 ]
Marco-Ventura, Pilar [1 ]
机构
[1] Hosp Dr Peset, Dept Ophthalmol, E-46017 Valencia, Spain
[2] Univ Jaume, Dept Math, Castellon de La Plana, Spain
[3] Consorcio Hosp Gen, Dept Rheumatol, Valencia, Spain
关键词
RHEUMATOID-ARTHRITIS; SENSITIVITY; RETINOPATHY;
D O I
10.1016/j.jcjo.2013.03.018
中图分类号
R77 [眼科学];
学科分类号
100212 ;
摘要
Objective: To check the ability of microperimetry to detect early retinal damage in patients with rheumatism taking hydroxychloroquine (HCQ), chloroquine (CQ), or both, and to describe the microperimetric alterations attributable to these drugs and their correlation with some clinical variables. Design: Controlled cross-sectional study. Participants: Patient group was 209 patients taking HCQ or CO. Control group was 204 individuals not taking antimalarials. Exclusion criterion was other diseases that could alter microperimetry. Methods: An ophthalmic examination and a microperimetry were performed on all individuals. Outcomes measured were average threshold, fixation stability, and macular integrity. Information about patient weight, height, main diagnosis, daily and cumulative dose, and creatinine, bilirubin, and transaminases levels were collected. Analysis of variance, t tests, and a regression analysis were carried out to detect differences between groups. Results: Significant differences in microperimetry indexes were detected between cases and control subjects, between patients of different age groups, and between patients taking CO and HCQ. Significant differences were also detected in retinal sensitivity between patients overdosed for CO, but not for those overdosed for HCQ. Daily overdosing per ideal weight alone cannot explain retinal toxicity, although the effect of cumulative dose in macular sensibility is significant to explain both average threshold and macular integrity. Conclusions: Microperimetry is an accurate tool for detecting early macular hyposensibility caused by CQ and HCQ. Microperimetry indexes of retinal sensibility are worse in elderly patients taking these drugs and in short-stature patients taking CO. A high cumulative dose is an important factor in explaining retinal hyposensibility on m croperimetry.
引用
收藏
页码:400 / 405
页数:6
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