May 2004
Volume 45, Issue 13
Free
ARVO Annual Meeting Abstract  |   May 2004
Surgical Outcomes Utilizing the TRABECTOMETM in Adult Open Angle Glaucoma–Novel Surgical Device
Author Affiliations & Notes
  • G. Baerveldt
    Dept Ophthalmology, UCI, Irvine, CA
  • M. Ramirez
    NeoMedix, San Juan Capistrano, CA
  • S. Mirhashemi
    NeoMedix Corp., San Juan Capistrano, CA
  • M. Mittelstein
    NeoMedix Corp., San Juan Capistrano, CA
  • J. Sorensen
    NeoMedix Corp., San Juan Capistrano, CA
  • Footnotes
    Commercial Relationships  G. Baerveldt, UCI P; NeoMedix C; NeoMedix E; NeoMedix E; NeoMedix E; M. Ramirez, NeoMedix Corp. C; S. Mirhashemi, NeoMedix Corp. E; M. Mittelstein, NeoMedix Corp. E; J. Sorensen, NeoMedix Corp. E.
  • Footnotes
    Support  1R43EY15037–01
Investigative Ophthalmology & Visual Science May 2004, Vol.45, 4566. doi:
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    • Get Citation

      G. Baerveldt, M. Ramirez, S. Mirhashemi, M. Mittelstein, J. Sorensen; Surgical Outcomes Utilizing the TRABECTOMETM in Adult Open Angle Glaucoma–Novel Surgical Device . Invest. Ophthalmol. Vis. Sci. 2004;45(13):4566.

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

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Abstract

Abstract: : Purpose:A clinical study was designed to assess the surgical outcomes of patients treated with a surgical device that ablates a strip of trabecular meshwork overlying Schlemm’s canal. The TRABECTOMETM is a 19.5 gauge surgical device that consists of an insulated footplate capable of penetrating the trabecular meshwork into Schlemm’s canal. An infusion and aspiration system combined with electrosurgery removes a strip of trabecular meshwork overlying Schlemm’s canal. The footplate protects underlying tissues from thermal trauma. Methods:One eye in each of 19 patients with open angle glaucoma was selected for a non–randomized prospective study of ab interno trabeculectomy utilizing the TRABECTOMETM surgical device. The TRABECTOMETM is inserted through a 1.5 mm clear temporal corneal incision and is advanced across the anterior chamber. The angle is visualized with a goniotomy lens. The footplate is inserted into Schlemm’s canal and cautery ablates a strip of the trabecular meshwork as the footplate advances in Schlemm’s canal. Results:The mean pre–operative pressures were 26.2 (±4.1) mm Hg. At day 1, 2, 3 and 4, the mean pressures were 18.9 (±10.4); 15.4 (±3.6); 16.6 (±3.5); 17.0 (±4.4) and 16.0 (±2.6) mm Hg. Complications include 100% transient hyphema, 18% localized corneal Descemets changes, 14% transient localized nasal sub–Descemets heme and one failure. Conclusions:The TRABECTOMETM surgical outcome results are encouraging. Further expanded studies are warranted.

Keywords: trabecular meshwork • clinical (human) or epidemiologic studies: treatment/prevention assessment/controlled clinical trials • intraocular pressure 
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