Transconjunctival retinopexy with active external drainage of subretinal fluid: a prospective pilot study of eight consecutive cases

Siqueira, Rubens Camargo; Jorge, Rodrigo

doi:10.1590/s0004-27492007000400002

Cited by 1 publication

(1 citation statement)

References 15 publications

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“…Recently, Kitchens 5 used a 26G needle guarded with a buckle sleeve to drain SRF via a trans-scleral route. Siqueira et al 6 described a technique of transconjunctival retinopexy with external drainage of SRF using an active aspiration vacuum. Newer techniques for accessing the subretinal space have been developed with the advent of microsurgical instruments.…”

Section: Introductionmentioning

confidence: 99%

Novel Surgical Pathway for Controlled Access to the Subretinal Space: A Case Series

Sabti¹,

Raizada²

2022

Trans. Vis. Sci. Tech.

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Purpose We report a case series demonstrating a novel technique to access the subretinal space through a trans-scleral approach. Methods This was a prospective, interventional case series. All 25 cases underwent three-port vitrectomy using CONSTELLATION Vision System (Alcon. Laboratories, Inc., Fort Worth, TX) and NGENUITY 3D Visualization System. In all cases a fourth 25G valved cannula was inserted posteriorly in the vitreous cavity to secure a controlled access to the subretinal space. This route was used to remove subretinal fibrosis, drain subretinal fluid, and inject vital dye to identify an occult retinal break in some cases. Results In 23 of 25 cases, the retina remained attached postoperatively after a single surgery, and vision improvement was observed. In two cases, the retina was attached after an additional procedure. Although mild subretinal hemorrhage was seen in three cases, no other major complication was observed. Conclusions Access to the subretinal space by a posteriorly placed fourth valved cannula is safe and helps in subretinal fibrosis removal and drainage of subretinal fluid and can be useful in complicated retinal detachments. Translational Relevance This case series uses knowledge acquired from developing small gauge microincision instruments for pars plana vitrectomy to present a novel clinical application applicable to difficult, complex retinal surgeries.

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Section: Introductionmentioning

confidence: 99%