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2019, Number 2

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Cir Cir 2019; 87 (2)

Transfixion technique for the treatment of silicone oil pupillary block glaucoma refractory to Nd-YAG iridotomy

Hernández-Da Mota SE, Castañeda-Diez R, Zavala-Martínez MT
Full text How to cite this article

Language: Spanish
References: 6
Page: 215-218
PDF size: 228.22 Kb.


Key words:

Transfixion, Pupillary block, Silicon oil.

ABSTRACT

Background: Pupillary block induced by silicon oil in vitrectomized patients is a common condition usually treated with Nd-YAG laser iridotomy or with surgical removal of silicon oil. Case report: A case of silicone oil pupillary block glaucoma successfully treated with a 30 G needle transfixion technique is described. We performed a non-complicated vitrectomy surgery for retinal detachment with proliferative vitreoretinopathy that included lensectomy, inferior peripheral iridectomy, and silicone oil injection. After surgery, the iridectomy became occluded with fibrous tissue and the intraocular pressure raised to 50 mmHg. After an initial Nd-YAG iridotomy was unsuccessful, we passed a 30 Ga needle through the sclerocorneal limbus and cut the fibrous tissue that blocked the iridectomy. This procedure restored the aqueous humor flow through the iridectomy, pushed back the silicone oil bubble into the vitreous cavity and lowered the intraocular pressure to normal levels. Conclusions: 30 Ga needle transfixion technique could be an effective, low cost, simple alternative for the treatment of silicone oil pupillary block in aphakic patients.


REFERENCES

  1. Ando F. Intraocular hypertension resulting from pupillary block by silicon oil. Am J Ophthalmic. 1985;99:87-8.

  2. Madreperla SA, McCuen BW II. Inferior peripheral iridectomy in patients receiving silicone oil. Retina.1995;15:87-90.

  3. Bartov E, Huna R, Ashkenazi I, Melamed S, Gutman I, Naveh N, et al. Identification, prevention and treatment of silicone oil pupillary block after an inferior iridectomy. Am J Ophthalmol. 1991;111:501-4.

  4. MacCumber MW, McCuen BW II, Toth CA, Ferrone PJ, Jaffe GJ. Tissue plasminogen activator for preserving inferior peripheral iridectomy patency in eyes with silicone oil. Ophthalmology. 1996;103:269-73.

  5. Zalta AH, Boyle NS, Zalta AK. Silicone oil pupillary block: an exception to combined argon-Nd: YAG laser iridotomy success in angle-closure glaucoma. Arch Ophthalmol. 2007;125:883-8.

  6. Arruga H. Ocular surgery. 5th ed. Barcelona: Salvat; 1963.




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Cir Cir. 2019;87