Journal of Nippon Medical School
Online ISSN : 1347-3409
Print ISSN : 1345-4676
ISSN-L : 1345-4676
Original
Effect of Lidocaine Tape on Pain during Intralesional Injection of Triamcinolone Acetonide for the Treatment of Keloid
Mamiko TosaMasahiro MurakamiHiko Hyakusoku
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JOURNAL FREE ACCESS

2009 Volume 76 Issue 1 Pages 9-12

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Abstract

Background: Because intralesional injection of triamcinolone acetonide (TA), a widely used for the treatment of keloid, is painful, many patients discontinue treatment. We evaluated the effects of pretreatment with topical 60% lidocaine tape on the pain and tolerability of intralesional TA treatment in patients with keloid.
Methods: The subjects were 42 patients with keloid who had been treated with intralesional injection of TA but had discontinued treatment owing to intolerable pain. All patients were pretreated with 60% lidocaine tape placed on the keloids for more than 120 minutes before intralesional injection of TA. Patients assessed pain with a 100-mm visual analog scale (VAS) with 0 mm for "no pain" and 100 mm for "worst possible pain." Pain was assessed with the VAS immediately after TA injection. Finally, the patients assessed the tolerability of this treatment.
Results: The mean VAS score during intralesional TA injection therapy without pretreatment with lidocaine tape was 82.6 ± 14.4 mm. In contrast, the mean VAS score during intralesional TA injection therapy in the same patients after pretreatment with lidocaine tape was 18.9 ± 11.3 mm, which was significantly lower (P<.0.05), and 30 (71.4%) of the patients tolerated this therapy well.
Conclusion: Pretreatment with 60% lidocaine tape significantly reduces the pain associated with intralesional injection of TA. This approach increases patient comfort and should enable patients to continue the treatment.

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© 2009 by the Medical Association of Nippon Medical School
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