June 2013
Volume 54, Issue 15
Free
ARVO Annual Meeting Abstract  |   June 2013
Small gauge direct silicon oil (SO) perfluoro-n-octane (PFO) interchange. Comparison of two methods: use of chandelier light (CHL) and use of viscous fluid infusion cannula(VFIC)
Author Affiliations & Notes
  • Hugo Quiroz-Mercado
    Ophthalmology, Denver Health Medical Center. University of Colorado, Denver, CO
    Ophthalmology, Rocky Mountain Lions Eye Institute. University of Colorado, Denver, CO
  • Ramanath Bhandari
    Ophthalmology, Denver Health Medical Center. University of Colorado, Denver, CO
    Ophthalmology, Rocky Mountain Lions Eye Institute. University of Colorado, Denver, CO
  • Shulamit Schwartz
    Ophthalmology, Denver Health Medical Center. University of Colorado, Denver, CO
    Ophthalmology, Rocky Mountain Lions Eye Institute. University of Colorado, Denver, CO
  • Jeffrey Olson
    Ophthalmology, Rocky Mountain Lions Eye Institute. University of Colorado, Denver, CO
  • Scott Oliver
    Ophthalmology, Rocky Mountain Lions Eye Institute. University of Colorado, Denver, CO
  • Naresh Mandava
    Ophthalmology, Rocky Mountain Lions Eye Institute. University of Colorado, Denver, CO
  • Raul Velez-Montoya
    Ophthalmology, Rocky Mountain Lions Eye Institute. University of Colorado, Denver, CO
  • Marc Mathias
    Ophthalmology, Denver Health Medical Center. University of Colorado, Denver, CO
    Ophthalmology, Rocky Mountain Lions Eye Institute. University of Colorado, Denver, CO
  • Footnotes
    Commercial Relationships Hugo Quiroz-Mercado, Allegro Pharmaceutical (C); Ramanath Bhandari, None; Shulamit Schwartz, None; Jeffrey Olson, University of Colorado (P); Scott Oliver, Genentech (F), Ophthotech (F), Thrombogenics (F); Naresh Mandava, genentech (F), thrombogenics (F); Raul Velez-Montoya, None; Marc Mathias, None
  • Footnotes
    Support None
Investigative Ophthalmology & Visual Science June 2013, Vol.54, 2875. doi:https://doi.org/
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      Hugo Quiroz-Mercado, Ramanath Bhandari, Shulamit Schwartz, Jeffrey Olson, Scott Oliver, Naresh Mandava, Raul Velez-Montoya, Marc Mathias; Small gauge direct silicon oil (SO) perfluoro-n-octane (PFO) interchange. Comparison of two methods: use of chandelier light (CHL) and use of viscous fluid infusion cannula(VFIC). Invest. Ophthalmol. Vis. Sci. 2013;54(15):2875. doi: https://doi.org/.

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      © ARVO (1962-2015); The Authors (2016-present)

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Abstract

Purpose: Comparison of two methods for direct SO-PFO interchange using small gage technique.

Methods: : Two groups of 5 eyes were studied. Three ports pars plana vitrectomy (PPV) was performed in all 10 cases. Group one: CHL as a method of visualization. Direct PFO exchange was performed by replacing infusion line for an Alcon chandelier light (Alcon., Fort Worth, TX). One port was used for SO injection and the other one for passive PFO extraction by a 23-G backflush cannula (Alcon., Fort Worth, TX). Group two: VFIC (MedOne Surgical Inc., Sarasota, FL) was used for the entire case as infusion. Direct exchange was performed by attaching SO syringe to the infusion line. PFO was removed passively through a 23-G backflush cannula.

Results: All patients achieved attachment of the posterior pole in this small case series. In addition, group 2 (VFIC) procedure was less time consuming then the standard small gauge direct exchange as a chandelier did not have to be placed to perform the procedure. Comparing two groups time was not statistical significant. One patient had some leakage of silicone oil at the junction of the trocar and VFIC, however this was easily rectified by re-seating the VFIC on the trocar. No sclerotomies required enlargement in two groups and VFIC proved to be cost-effective. The cost of the VFIC was as compared to the price of a chandelier which is 2 to 3 times the expense depending on manufacturer.

Conclusions: Two groups did not show difference. On three ports small gauge vitrectomy direct PFO- SO exchange can be performed either by the use of a chandelier light or a visco fluid infusion cannula.

Keywords: 762 vitreoretinal surgery • 697 retinal detachment • 763 vitreous  
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