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Acta Anaesthesiol Scand · Jul 2003
Randomized Controlled Trial Clinical TrialEMLA does not permit pain-free retrobulbar injection.
- B Kuvaki, N Gökmen, F Günenç, H Ceyhan Kara, H Uzümlü, G Ozden, M Söylev, and E Gökel.
- Department of Anaesthesiology, Dokuz Eylül University Medical School, Izmir, Turkey. bkuvaki@deu.edu.tr
- Acta Anaesthesiol Scand. 2003 Jul 1;47(6):739-41.
BackgroundRetrobulbar injection can be associated with significant pain, due to both needle insertion and deposition of the local anaesthetic solution. The local anaesthetic cream EMLA (eutectic mixture of local anaesthetics) which contains a mixture of lignocaine and prilocaine has been shown to reduce the pain associated with skin puncture. The efficacy of EMLA in alleviating the pain of retrobulbar injection for cataract surgery was assessed in this study.MethodsIn this, randomised double-blind study, EMLA (n = 53) or lignocaine 5% ointment (n = 50) was administered to the inferior orbital margin at least 45 min before retrobulbar block in 103 patients. Pain assessed during retrobulbar block was marked subjectively by the patient on a 10-point numerical rating scale.ResultsMedian verbal pain scores were 3.0 with an interquartile range of 1.5-6.5 in the control group and 3.50 with an interquartile range of 2.0-6.0 in the EMLA(R) group (P = 0.67). There was no significant difference between the EMLA group and the lignocaine ointment group according to this pain assessment.ConclusionEMLA does not permit pain-free retrobulbar injection.
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