Author:
Leung Ella H.,Levie-Sprick Ana,Sharma Sahana,Lee Gregory D.,Cho Hyung,Yee David Chin,Mukkamala Krishna
Abstract
Background and Objective:
To compare the risk factors for the development and progression of pigmentary retinopathy in patients exposed to pentosan polysulfate sodium (PPS).
Materials and Methods:
Retrospective cohort study of patients exposed to PPS with at least two follow-up visits with multimodal imaging.
Results:
A total of 97 patients were included (33 with PPS-associated retinopathy and 64 without). The average follow-up was 29.4 months, overall cumulative dose was 1,220 ± 910 g (1,730 ± 870 vs 959 ± 910;
P
< 0.0001), and total PPS duration was 12.1 ± 7.1 years (16.0.2 ± 6.1 vs 10.1 ± 6.9;
P
< 0.0001). The best-corrected visual acuity remained stable during follow-up. At presentation, the average area of the retinopathy in the worse eye was 54.1 ± 50 mm
2
in the PPS-retinopathy group, worsening at a rate of 6.10 ± 10 mm
2
/year. Patients who developed choroidal neovascular membranes (CNVMs) had faster rates of retinopathy progression (11.6 ± 12 vs 3.53 ± 7.6 mm
2
/year,
P
= 0.036). No patient had the exact same gene mutation.
Conclusion:
PPS-associated pigmentary retinopathy can continue to progress over time, even after discontinuing the medication. CNVM development may be associated with faster rates of retinopathy progression.
[
Ophthalmic Surg Lasers Imaging Retina
2023;54:388–394.]
Cited by
1 articles.
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1. Pentosan-polysulfate;Reactions Weekly;2023-09-30