ArticleAmerican journal of ophthalmology case reports2026
Bleb-related infection associated with an intraluminal stent suture after PreserFlo MicroShunt implantation: a case report.
Article in American journal of ophthalmology case reports, 2026. 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
Purpose: The PreserFlo MicroShunt (PMS) is a glaucoma drainage device designed to reduce intraocular pressure (IOP) with fewer complications than conventional filtering surgery. An intraluminal stent suture can prevent early postoperative hypotony; however, a potential infection risk exists. We report a rare case of bleb-related infection associated with an intraluminal stent suture in the PMS. Observation: An 80-year-old man with secondary glaucoma due to bilateral cytomegalovirus anterior uveitis underwent bilateral PMS implantation with a 10-0 nylon intraluminal stent suture. The stent was removed from the right eye 1 month postoperatively but retained in the left eye because the IOP remained stable. At 3.5 months postoperatively, the left eye developed eyelid swelling, ocular pain, conjunctival hyperemia, and anterior chamber inflammation without bleb leakage. Infection related to the stent suture was suspected. After stent removal, suture culture grew Conclusion and importance: Intraluminal stent sutures may effectively prevent early postoperative hypotony after PMS implantation, but their indication should be carefully considered while balancing the risks of hypotony and infection. Early stent removal and careful postoperative monitoring are essential.
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