Peribulbar anesthesia. A prospective statistical analysis of the efficacy and predictability of bupivacaine and a lignocaine/bupivacaine mixture.
The object of this trial was to determine the efficacy in peribulbar anesthesia of bupivacaine 0.5%, 0.75%, and a combination of bupivacaine 0.5% and lignocaine 2% in equal parts. Fifty-one and 50 patients in random order were injected with 0.5% and 0.75% bupivacaine, respectively, and another 50 patients with the lignocaine/bupivacaine mixture. The results were recorded and all data were statistically analyzed. We concluded that the peribulbar route with the agents used in this trial was not a successful technique. Our criterion for a successful block, i.e., akinesia, was not achieved in more than 54% of cases.
Loots
J H
JH
Koorts
A S
AS
Venter
J A
JA
D000368:Aged; D000772:Anesthesia, Local / Q000379:methods*; D001340:Autonomic Nerve Block / Q000379:methods; D002045:Bupivacaine / Q000008:administration & dosage*; D002387:Cataract Extraction; D016009:Chi-Square Distribution; D004311:Double-Blind Method; D004359:Drug Therapy, Combination; D005260:Female; D006801:Humans; D007267:Injections; D008012:Lidocaine / Q000008:administration & dosage*; D008297:Male; D009915:Orbit; D011237:Predictive Value of Tests; D011446:Prospective Studies
D008012:Lidocaine; D002045:Bupivacaine