ArticleInternational ophthalmology2025
Long-term outcomes of Baerveldt glaucoma implants with the scleral flap and patch technique and vitreous cavity insertion: a 5-year follow-up.
Article in International ophthalmology, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
backgroundOur earlier report described the scleral flap and patch technique for a Baerveldt glaucoma implant (BGI). In this procedure, the Hoffman elbow is covered not only with a scleral flap (autograft) but also with a grafted sclera from a donor. This technique is expected to be effective in preventing tube erosion. Herein, we investigated the surgical outcomes of this method. PATIENTS AND
methodsThis was a single-facility retrospective analysis of 120 consecutive patients (140 eyes) who underwent BGI surgery with the scleral flap and patch technique and were followed or > 1 year. We used two criteria for success concerning the patients' postoperative intraocular pressure (IOP) values: IOP ≤ 21 and IOP ≤ 15 mmHg.
resultsThe preoperative IOP was 31.4 ± 9.8 mmHg. BGI surgery significantly decreased the IOP to 11.3 ± 3.6, 11.4 ± 3.9, 12.2 ± 4.4, 12.5 ± 4.2, and 12.2 ± 3.9 mmHg at 1, 2, 3, 4 and 5 years post-surgery (p0.001), respectively. The success rates at 5 years were 83.8% (≤21 mmHg) and 72.1% (≤15 mmHg). There were eight cases in which the patient lost the sense of light. There was no case of tube erosion or hypotony. Bullous keratopathy occurred in three cases. The corneal endothelial cell density (CECD) had changed from 1891 ± 614 to 1882 ± 761 after 5 years (p=0.776).
conclusionsBGI surgery with the scleral flap and patch can effectively prevent tube erosion, hypotony, and CECD loss over a long term.
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