June 2013
Volume 54, Issue 15
Free
ARVO Annual Meeting Abstract  |   June 2013
Ex-press mini-implant in the management of ocular hypertension secondary to silicon oil tamponade
Author Affiliations & Notes
  • Nicola Cardascia
    Ophthalmology, Università di Bari A Moro, Bari, Italy
  • Francesco Cantatore
    Ophthalmology, Università di Bari A Moro, Bari, Italy
  • Paolo Ferreri
    Ophthalmology, Università di Bari A Moro, Bari, Italy
  • Francesco Boscia
    Ophthalmology, Università di Bari A Moro, Bari, Italy
  • Luigi Sborgia
    Ophthalmology, Università di Bari A Moro, Bari, Italy
  • Giovanni Alessio
    Ophthalmology, Università di Bari A Moro, Bari, Italy
Investigative Ophthalmology & Visual Science June 2013, Vol.54, 4759. doi:
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      Nicola Cardascia, Francesco Cantatore, Paolo Ferreri, Francesco Boscia, Luigi Sborgia, Giovanni Alessio; Ex-press mini-implant in the management of ocular hypertension secondary to silicon oil tamponade. Invest. Ophthalmol. Vis. Sci. 2013;54(15):4759.

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

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Abstract

Purpose: To compare the success of patients with ocular hypertension, secondary to pars plana vitrectomy and silicon oil tamponade, who had an Ex-press mini glaucoma shunt device implantation (Alcon Laboratories, Inc. Fort Worth, Texas, USA) to those who had conventional trabeculectomy.

Methods: Retrspective study. The records of 10 eyes of 10 consecutive subjects who had Ex-press implants and 9 eyes of 9 consecutive controls who had trabeculectomy procedures were reviewed. Success was defined as an intraocular pressure (IOP) reduction in patients who did not require further glaucoma surgery in the eye of note.

Results: IOP reduced of 10.3±9.7 mmHg (range -31 to 3) in the Ex-press group and of 13.9±11.4 mmHg (range -35 to -4) in the trabeculectomy group. The difference in the percentage of IOP reduction between the standard trabeculectomy group (42.7%) and the Ex-PRESS group (35.9%) was statistically not significant (P = .72).

Conclusions: The Ex-PRESS device is at least as effective as the standard trabeculectomy in lowering the IOP of patients with hypertension secondary to pars plana vitrectomy and silicon oil tamponade. Even if the data further suggest that the Ex-PRESS device does not result in an overall greater percentage reduction in IOP than with trabeculectomy, this does not reach statistical significance.

Keywords: 633 outflow: trabecular meshwork • 568 intraocular pressure • 764 vitreous substitutes  
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