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Anesth Analg. 2005 Jan;100(1):94-6.

Peribulbar anesthesia: a percutaneous single injection technique with a small volume of anesthetic.

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  • 1Department of Critical Care Medicine and Surgery, Section of Anesthesiology, University of Florence, Viale Morgagni 85, 50134, Florence, Italy.


We evaluated the efficacy and safety of a single injection technique with a small volume of anesthetic for ocular peribulbar anesthesia. We included 857 patients undergoing various ophthalmic procedures. Anesthesia consisted of a medial percutaneous injection of 5-6.5 mL of 2% lidocaine. At 2 min 85.6% of the patients had a motor block of at least 50% and at 5 min 78.6% had a motor block >80%. After 5 min 100% of the patients had adequate surgical anesthesia. There were no serious block-related complications. The described technique is a simple and satisfactory alternative to the classical techniques.

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