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Peribulbar anaesthesia: a double‐blind comparison of three local anaesthetic solutions
Author(s) -
Bedi A.,
Carabine U.
Publication year - 1999
Publication title -
anaesthesia
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.839
H-Index - 117
eISSN - 1365-2044
pISSN - 0003-2409
DOI - 10.1046/j.1365-2044.1999.00639.x
Subject(s) - medicine , prilocaine , anesthesia , bupivacaine , lidocaine , local anaesthetic , general anaesthesia , local anesthesia , local anesthetic , regional anaesthesia , surgery , motor block
A prospective, randomised, double‐blinded study comparing three agents for peribulbar anaesthesia is reported. Sixty patients undergoing extracapsular cataract extraction under local anaesthesia were randomly allocated to receive peribulbar anaesthesia with lignocaine 2% with adrenaline; prilocaine 3% with felypressin 0.03 IU.ml −1 or 2% lignocaine and 0.5% bupivacaine in a ratio of 1:1, using a standardised two‐injection technique. The pain of injection, time of onset of the block and the operating conditions at the start and finish of surgery were assessed. Peribulbar anaesthesia using lignocaine 2% was significantly more painful than the other solutions. The onset of anaesthesia adequate for surgery was similar in all three groups. Prilocaine 3% with felypressin was associated with the greatest number of blocks providing total akinesia of the eye. Inadequate duration of anaesthesia was seen in only one case; the solution used for this block was 2% lignocaine.