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Clinical experience with the peribulbar block for ophthalmologic surgery
1Department of Anesthesiology, Northwestern University Medical School, Chicago, Illinois 60611.
Regional Anesthesia
|May 1, 1993
Summary
The peribulbar block offers a safe alternative to retrobulbar block for ophthalmic anesthesia. With 2600 procedures, minor complications were rare, with 3% requiring supplemental anesthesia.
Area of Science:
- Ophthalmology
- Anesthesiology
- Surgical Anatomy
Background:
- Peribulbar block is presented as a safe and reliable alternative to retrobulbar block.
- This clinical report details the orbital anatomy and technique for performing the peribulbar block.
Purpose of the Study:
- To describe the anatomy of the orbit relevant to peribulbar block.
- To outline the technique for performing the peribulbar block.
- To report on the safety and efficacy of the peribulbar block.
Main Methods:
- Review of orbital anatomy pertinent to peribulbar anesthesia.
- Description of the modified peribulbar block technique.
- Analysis of complications and supplementation rates from clinical experience.
Main Results:
- A total of 2600 peribulbar blocks were performed.
- Five cases (0.19%) of minor peribulbar hemorrhage were observed.
- Supplementation of anesthesia was necessary in 3% of patients.
Conclusions:
- Peribulbar block is a safe and effective technique for ophthalmic anesthesia.
- The reported complication rate, including hemorrhage, is low.
- A small percentage of patients may require supplemental anesthesia for adequate block.