Modified technique of blunt cannula retrobulbar anesthesia for vitreoretinal surgery

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K J Wald1, J J Weiter

  • 1Retina Associates of Boston, Schepen's Eye Research Institute, MA 02114.

Ophthalmic Surgery
|May 1, 1993
PubMed

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Local Anesthetics: Clinical Application as Intravenous Regional Anesthesia01:16

Local Anesthetics: Clinical Application as Intravenous Regional Anesthesia

Intravenous regional anesthesia or the Bier block technique is used to anesthetize a specific limb or extremity. It uses exsanguinated or blood-drained vessels to transport local anesthetics or LAs to the peripheral nerve trunks. Lidocaine without vasoconstrictors like epinephrine is most commonly used for this technique. Other drugs used are prilocaine, ropivacaine, and chloroprocaine. Bupivacaine is not recommended for this technique due to its high cardiac toxicity.
One of the advantages of...