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[Transcutaneous or transconjunctival peribulbar anesthesia?]

T Bohlender1, J Weindler, P Schroeder

  • 1Universitäts-Augenklinik und Poliklinik, Homburg/Saar.

Der Ophthalmologe : Zeitschrift Der Deutschen Ophthalmologischen Gesellschaft
|May 1, 1997
PubMed
Summary

Transconjunctival peribulbar anesthesia was found to be more painful and offered poorer visualization of the fornix compared to transcutaneous peribulbar anesthesia in this study.

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Area of Science:

  • Ophthalmology
  • Anesthesia

Background:

  • Transconjunctival peribulbar anesthesia is suggested to improve bulbar limit identification and reduce pain.
  • A direct comparison between transconjunctival and transcutaneous peribulbar anesthesia techniques is warranted.

Purpose of the Study:

  • To compare the pain, fornix visualization, and need for supplemental anesthesia between transconjunctival and transcutaneous peribulbar anesthesia.

Main Methods:

  • A prospective, masked study involving 46 patients undergoing eye operations.
  • Patients were randomly assigned to receive either transconjunctival or transcutaneous peribulbar injections.
  • Pain scores, conjunctival chemosis, need for supplemental anesthesia, and fornix visualization were assessed.

Main Results:

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  • Transconjunctival injections were significantly more painful (P=0.05) than transcutaneous injections.
  • Adequate visualization of the cranial fornix was not achieved in 66.6% of patients receiving transconjunctival injections.
  • No significant difference in conjunctival chemosis or need for supplemental anesthesia was reported.

Conclusions:

  • Transconjunctival peribulbar anesthesia does not offer advantages over transcutaneous peribulbar anesthesia.
  • Transcutaneous peribulbar anesthesia may be preferred for better pain control and visualization during eye surgery.