May 2008
Volume 49, Issue 13
Free
ARVO Annual Meeting Abstract  |   May 2008
Effect of Local Anesthesia on Trabeculectomy Success
Author Affiliations & Notes
  • N. Geffen
    Ophthalmology, University Health Network U of T ON CA, Toronto, Ontario, Canada
  • M. M. Carrillo
    Ophthalmology, Cape Breton Regional Hospital, Sydney, Nova Scotia, Canada
  • Y. Jin
    Ophthalmology, University Health Network U of T ON CA, Toronto, Ontario, Canada
  • G. E. Trope
    Ophthalmology, University Health Network U of T ON CA, Toronto, Ontario, Canada
  • Y. M. Buys
    Ophthalmology, University Health Network U of T ON CA, Toronto, Ontario, Canada
  • Footnotes
    Commercial Relationships  N. Geffen, None; M.M. Carrillo, None; Y. Jin, None; G.E. Trope, None; Y.M. Buys, None.
  • Footnotes
    Support  None.
Investigative Ophthalmology & Visual Science May 2008, Vol.49, 4166. doi:https://doi.org/
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    • Get Citation

      N. Geffen, M. M. Carrillo, Y. Jin, G. E. Trope, Y. M. Buys; Effect of Local Anesthesia on Trabeculectomy Success. Invest. Ophthalmol. Vis. Sci. 2008;49(13):4166. doi: https://doi.org/.

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

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Abstract

Purpose: : Subconjunctival anesthesia has been reported to be a risk factor of poor success with trabeculectomy surgery. The purpose of this study is to compare the long-term results of trabeculectomy surgery with subconjunctival anesthesia versus topical lidocaine 2% jelly.

Methods: : A retrospective review of the long-term IOP of 57 trabeculectomies previously enrolled in a prospective study comparing subconjunctival anesthesia to topical lidocaine 2% jelly. Follow-up was conducted by reviewing the medical charts from July 2002 to August 2007. Differences between the two groups were statistically assessed using the Student t test for continuous data, the chi square test or the Fisher s exact test for categorical data and the Kaplan-Meier survival analysis.

Results: : The median age was 65 years and the median follow-up time was 4.2 years for both groups (range 0.1-4.8 years). There were no statistically significant differences in baseline characteristics and follow-up observations. At 4 years following surgery, 29.5% of the subconjunctival anesthesia patients versus 39.5% of the topical lidocaine 2% jelly patients were complete success (IOP between 6-21 mmHg and 20% reduction without glaucoma therapy or repeat filtration surgery, p=0.15) and 82.7% of the subconjunctival anesthesia patients versus 95.8% for the topical lidocaine 2% jelly patients were qualified success (above with glaucoma therapy, p=0.39).

Conclusions: : Subconjunctival anesthesia did not result in a worse prognosis for trabeculectomy in this cohort.

Keywords: clinical (human) or epidemiologic studies: systems/equipment/techniques • clinical (human) or epidemiologic studies: outcomes/complications • intraocular pressure 
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