PreserFlo MicroShunt® exposure: a case series - Sorbonne Université
Journal Articles BMC Ophthalmology Year : 2021

PreserFlo MicroShunt® exposure: a case series

Abstract

Background PreserFlo® MicroShunt (PM) (also known as InnFocus® MicroShunt) is a subconjunctival stent implanted ab externo via a minimally invasive surgical procedure. The current indication is progressive, mild to moderate, open angle glaucoma uncontrolled on topical medications. According to the literature, adverse events are rare, mild and transient. Case presentation Two cases of stand-alone PreserFlo MicroShunt® implantation in patients with uncontrolled open-angle glaucoma are reported. Exposure occurred 7 days and 3 months respectively after implantation. These cases shared common features including preexisting blepharitis and the lack of a Tenon’s flap. In both cases, removal of the device was required after several attempts at repair. Conclusions PreserFlo MicroShunt® exposure is a potentially vision-threatening complication because of the risk of endophthalmitis. Potential risk factors include the absence of a Tenon’s flap and pre-existing ocular surface inflammation. Ocular surface inflammation should be detected and treated prior to PM implantation. If a deficiency in Tenon’s capsule is noted intraoperatively, close monitoring should be performed because of the higher risk of PM exposure.
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Origin Publication funded by an institution

Dates and versions

hal-03285132 , version 1 (13-07-2021)

Identifiers

Cite

Roxane Bunod, Mathieu Robin, Juliette Buffault, Chafik Keilani, Antoine Labbé, et al.. PreserFlo MicroShunt® exposure: a case series. BMC Ophthalmology, 2021, 21 (1), ⟨10.1186/s12886-021-02032-z⟩. ⟨hal-03285132⟩
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