May 2003
Volume 44, Issue 13
ARVO Annual Meeting Abstract  |   May 2003
Topical Anaesthesia in Trabeculectomy Surgery
Author Affiliations & Notes
  • M.M. Carrillo
    Ophthalmology, Toronto western hospital, Toronto, ON, Canada
  • G.E. Trope
    Ophthalmology, Toronto western hospital, Toronto, ON, Canada
  • D. Faingold
    Ophthalmology, Toronto western hospital, Toronto, ON, Canada
  • Y.M. Buys
    Ophthalmology, Toronto western hospital, Toronto, ON, Canada
  • Footnotes
    Commercial Relationships  M.M. Carrillo, None; G.E. Trope, None; D. Faingold, None; Y.M. Buys, None.
Investigative Ophthalmology & Visual Science May 2003, Vol.44, 1204. doi:
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      M.M. Carrillo, G.E. Trope, D. Faingold, Y.M. Buys; Topical Anaesthesia in Trabeculectomy Surgery . Invest. Ophthalmol. Vis. Sci. 2003;44(13):1204.

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

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Abstract: : Purpose: To compare the analgesic properties of Lidocaine 2% jelly versus sub-tenon's anaesthesia with Lidocaine 2% without epinephrine for trabeculectomy. Methods: Patients scheduled for trabeculectomy surgery were randomly assigned to topical Lidocaine 2% jelly or sub-tenon's anaesthesia with 2% Lidocaine. Both groups received a standardized sedative. Patients comfort, physicians assessment of intra-operative patient compliance, volume of local anesthetic used, need for supplemental anaesthesia and any complications were recorded. The Visual Analogue Scale (VAS) was utilized to measure intra-operative pain. The two groups were compared using the student t-test. Results: 50 patients were enrolled in the study, 25 in each group. The sub-tenon's anaesthesia group and the Lidocaine 2% jelly study group did not vary significantly in subjective pain score (1.75 +/- 1.62 vs 1.62 +/- 1.24 respectively, p=0.38), and surgeons satisfaction scale (3.5 +/- 0.7 vs 3.8 +/- 0.6 respectively, p=0.1). 4 patients required additional anesthesia all of them in the sub-tenon's group. The incidence of subconjunctival hemorrhage was the same (12%, n=3) in each group. Corneal epithelial defects were seen in 8% (n=2) of patients in the Lidocaine jelly group. Conclusions: Topical Lidocaine 2% jelly is a safe and effective anaesthetic method for trabeculectomy. Lidocaine 2% jelly is similar to sub-tenon's anaesthesia in patient comfort and surgeon satisfaction.

Keywords: clinical (human) or epidemiologic studies: sys • drug toxicity/drug effects 

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