April 2009
Volume 50, Issue 13
Free
ARVO Annual Meeting Abstract  |   April 2009
Fluorophotometric Study of the Suprachoroidal Shunt Gold Micro Shunt in Patients With Refractory Glaucoma
Author Affiliations & Notes
  • G. Olea Zorita
    Ophthalmology,
    Hospital Clinico San Carlos, Madrid, Madrid, Spain
  • J. Garcia Feijoo
    Ophthalmology, Glaucoma,
    Hospital Clinico San Carlos, Madrid, Madrid, Spain
    Patologia Ocular del Envejecimiento, Calidad Visual y Calidad de Vida, Red Tematica de Investigacion Corporativa del Instituto de Investigacion Carlos III, Madrid, Spain
  • J. Martinez de la Casa
    Ophthalmology, Glaucoma,
    Hospital Clinico San Carlos, Madrid, Madrid, Spain
    Patologia Ocular del Envejecimiento, Calidad Visual y Calidad de Vida, Red Tematica de Investigacion Corporativa del Instituto de Investigacion Carlos III, Madrid, Spain
  • C. Mendez Hernandez
    Ophthalmology, Glaucoma,
    Hospital Clinico San Carlos, Madrid, Madrid, Spain
    Patologia Ocular del Envejecimiento, Calidad Visual y Calidad de Vida, Red Tematica de Investigacion Corporativa del Instituto de Investigacion Carlos III, Madrid, Spain
  • A. Fernandez Vidal
    Ophthalmology, Glaucoma,
    Hospital Clinico San Carlos, Madrid, Madrid, Spain
    Patologia Ocular del Envejecimiento, Calidad Visual y Calidad de Vida, Red Tematica de Investigacion Corporativa del Instituto de Investigacion Carlos III, Madrid, Spain
  • F. Saenz-Frances
    Ophthalmology, Glaucoma,
    Hospital Clinico San Carlos, Madrid, Madrid, Spain
    Patologia Ocular del Envejecimiento, Calidad Visual y Calidad de Vida, Red Tematica de Investigacion Corporativa del Instituto de Investigacion Carlos III, Madrid, Spain
  • J. Rodriguez del Valle
    Ophthalmology,
    Hospital Clinico San Carlos, Madrid, Madrid, Spain
  • M. Jerez Fidalgo
    Ophthalmology,
    Hospital Clinico San Carlos, Madrid, Madrid, Spain
  • M. Jimenez Santos
    Ophthalmology,
    Hospital Clinico San Carlos, Madrid, Madrid, Spain
  • J. Garcia Sanchez
    Ophthalmology, Glaucoma,
    Hospital Clinico San Carlos, Madrid, Madrid, Spain
    Patologia Ocular del Envejecimiento, Calidad Visual y Calidad de Vida, Red Tematica de Investigacion Corporativa del Instituto de Investigacion Carlos III, Madrid, Spain
  • Footnotes
    Commercial Relationships  G. Olea Zorita, None; J. Garcia Feijoo, MSD, F; Alcon, F; Allergan, F; Glaukos, F; Solx, F; Pfizer, F; ISC III RD07/062, F; MSD, C; Alcon, C; Glaukos, C; J. Martinez de la Casa, Alcon, F; Allergan, F; Glaukos, F; Solx, F; Pfizer, F; ISC III RD07/062, F; Pfizer, C; C. Mendez Hernandez, Alcon, F; Allergan, F; Glaukos, F; Solx, F; Pfizer, F; ISC III RD07/062, F; A. Fernandez Vidal, Alcon, F; Allergan, F; Glaukos, F; Solx, F; Pfizer, F; ISC III RD07/062, F; F. Saenz-Frances, Alcon, F; Allergan, F; Glaukos, F; Solx, F; Pfizer, F; ISC III RD07/062, F; J. Rodriguez del Valle, None; M. Jerez Fidalgo, None; M. Jimenez Santos, None; J. Garcia Sanchez, Alcon, F; Allergan, F; Glaukos, F; Solx, F; Pfizer, F; ISC III RD07/062, F.
  • Footnotes
    Support  None.
Investigative Ophthalmology & Visual Science April 2009, Vol.50, 457. doi:
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      G. Olea Zorita, J. Garcia Feijoo, J. Martinez de la Casa, C. Mendez Hernandez, A. Fernandez Vidal, F. Saenz-Frances, J. Rodriguez del Valle, M. Jerez Fidalgo, M. Jimenez Santos, J. Garcia Sanchez; Fluorophotometric Study of the Suprachoroidal Shunt Gold Micro Shunt in Patients With Refractory Glaucoma. Invest. Ophthalmol. Vis. Sci. 2009;50(13):457.

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

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Abstract

Purpose: : To evaluate the hypotensive efficacy of the suprachoroidal shunt and its effect on aqueous humor outflow facility in patients with previously failed filtering glaucoma surgery.

Methods: : Prospective study in 17 eyes of 17 patients diagnosed with primary open angle glaucoma (POAG 66.7%), cronic angle closure glaucoma (GACG 11.1%), pseudoexfoliative glaucoma (PEXG 1.1%), primary congenital glaucoma (PCG 5.6%) and inflammatory glaucoma (IG 5.6%). All patients were treated with maximum medical therapy and had undergone at least one filtering glaucoma surgery which had failed by the time of recluitment. A suprachoroidal drainage device, Gold Micro Shunt (GMS) was implanted in either the superonasal or superotemporal quadrant through a scleral incission. Intraocular pressure (IOP) was measured using a Goldmann applanation tonometer and outflow facility was calculated out of anterior chamber fluorophotometry. We present results at twelve months follow-up.

Results: : Mean filtering glaucoma surgeries prior to the shunt implantation was 1.4 ± 0.8. Mean preoperative IOP was 21.87 ± 3.87 mmHg. Mean preoperatory topical hypotensive drugs was 2.52 ± 0.94. Three patients were also treated with systemic acetazolamide. IOP during follow-up was 12.37 ± 7.4 mmHg one week after surgery (p=0.001), 19.25 ± 5.83 at first month (p=0.155), 17.62 ± 3.68 at three months (p=0.003) and 17.93 ± 4.98 mmHg at twelve months (p=0.027). One year after surgery, mean topical treatment required was 1.76 ± 0.97 (p=0.043) (2 patients did not need treatment). One patient was treated with systemic acetazolamide by the end of follow-up. Aqueous humor outflow facility prior to surgery was 0.162 ± 0.1, and 0.844 ± 0.54 by the end of follow-up (p=0.004). No severe complications happened.

Conclusions: : Suprachoroidal shunt is effective at mid-time lowering IOP and treatment needs in patients with refractory glaucoma. The increase in aqueous humor outflow facility supports this fact.

Keywords: outflow: ciliary muscle • intraocular pressure • aqueous 
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