Abstract
Treatment of ingrowing toenail is commonly performed under local anaesthesia with a digital ring block. Ring block can be associated with significant pain, caused by needle insertion and deposition of the local anaesthetic agent. EMLA, a topical anaesthetic cream, is widely used to alleviate the pain of venepuncture. The aim of this study was to investigate whether the discomfort of digital block could be reduced by prior application of EMLA. Fifty-five patients who were scheduled for ingrowing toenail under local anaesthesia were randomized into two groups. In Group 1 (n = 30), EMLA was applied around the base of the affected hallux for at least 1 h before ring block. In Group 2 (n = 25), a placebo cream was used. In this double-blind study, patients assessed the pain caused by a standardized ring block using 100-mm visual analogue pain score. The mean visual analogue pain score in Group 1 was 28.1 and 50.1 in Group 2 (P < 0.0001). We conclude that EMLA significantly reduces the pain associated with digital ring block.
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