ArticleTranslational vision science & technology2022
Early Three-Dimensional Intrableb Structural Changes in Primary-Open Angle Glaucoma and Exfoliation Glaucoma After Ex-PRESS Surgery.
Article in Translational vision science & technology, 2022. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 1 paper.
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1 citing paper in PubMed, 2 citations in OpenAlex.
- Short-term outcomes of the PreserFlo MicroShunt in Japanese patients with exfoliation glaucoma: a comparison with primary open-angle glaucoma using propensity score matching.Japanese journal of ophthalmology · 2026Observational
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8 authors at 1 institution in 1 country.
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No grant is acknowledged in the PubMed record.
Abstract
purposeTo compare early-stage intrableb structural changes after Ex-PRESS surgery using anterior-segment optical coherence tomography between primary open-angle glaucoma (POAG) and exfoliation glaucoma (XFG).
methodsTwenty-five POAG eyes and 15 XFG eyes that underwent Ex-PRESS surgery were evaluated. Intrableb images were classified into four categories based on previously reported scattering intensity: high-, medium-, and low-scattering walls and fluid-filled spaces. Bleb measurements were evaluated in both groups throughout 6 postoperative months. The 3-year surgical success was defined by the criteria intraocular pressure (IOP) < 18 mmHg and IOP < 15 mmHg with or without medications.
resultsThe fluid-filled space volume at 3 and 6 months (P = 0.005 and P = 0.022, respectively) and the volume ratio of the low-scattering wall to the bleb wall (P = 0.028) at 6 months were significantly smaller in XFG than POAG postoperatively. The volume ratio of the high-scattering wall to the bleb wall was correlated positively (P = 0.007) with the IOP, and that of the low-scattering wall to the bleb wall was correlated negatively (P = 0.002) with the IOP in XFG. The 3-year surgical success rates for both criteria were significantly lower in XFG than POAG.
conclusionsFluid-filled spaces were smaller in XFG than in POAG after Ex-PRESS surgery. The proportion of the high-scattering wall tended to increase and the low-scattering wall tended to decrease in XFG eyes with high IOP. Early-stage intrableb structural changes differed between POAG and XFG and may affect the prognosis. TRANSLATIONAL RELEVANCE: Our cutting-edge observation of intrableb fibrosis can be an important predictor of the surgical outcome.
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