Introduction. Topical application of local anesthetics is currently considered to be the easiest, most effective, and convenient way for treatment of patients who may be undergoing superficial dermatosurgical procedures. Materials and Methods. This study compares the anesthetic potential of 2.5% lidocaine and 2.5% prilocaine topical cream with 7% lignocaine and 7% tetracaine combination cream for radio ablative dermatosurgery when applied, under occlusion, for 30 minutes. 40 subjects of achrocordons were enrolled in this split-side randomized trial. Result. The pain severity experienced by subjects in terms of visual analogue scale score was significantly lesser for lignocaine/tetracaine combination cream as compared to lidocaine/prilocaine combination. Conclusion. This small study proves the efficacy of lidocaine/tetracaine combination as a topical anesthetic cream when applied for a short time interval of 30 minutes. This will help a dermatosurgeon to perform various dermatological procedures in a better and efficient manner with a shorter waiting period for analgesia to set in. 1. Introduction Radiofrequency ablation (radiosurgery, high frequency electrosurgery) is a dermatosurgical procedure that aims at the surgical management of benign and malignant skin conditions by using various forms of alternating current at ultrahigh frequency (500–4000?kHz) [1]. Radiofrequency surgery has gained importance in the recent years as it has distinct advantages, like less bleeding, cutting as well as coagulation ability, minimal tissue trauma, faster healing, and good aesthetic results [2]. Nowadays most of the dermatologists prefer using radiosurgery in place of electrosurgery units. Dermatological procedures may be associated with pain and discomfort. For some patients, the procedural pain, associated stress, and anxiety represent a significant clinical concern [3]. This can be alleviated to a great extent by using a local anesthetic. Local anesthesia can be administered by injection or through the use of topical creams [4]. Traditionally, intradermal injection of lidocaine (with or without the use of epinephrine) has been the method of choice for induction of local anesthesia [5, 6]. Local anesthetic, that is, lignocaine, is administered before most radio-surgical techniques [1, 2]. However, injectable anesthetics are often painful, are difficult to use in “needlephobic” patients, and may result in anatomic distortions which is unacceptable in cosmetic procedures [4]. Many topical anesthetic creams have become available over the last few years and they claim
References
[1]
S. Sachdeva and A. Dogra, “Radiofrequency ablation in dermatology,” Indian Journal of Dermatology, vol. 52, no. 3, pp. 134–137, 2007.
[2]
S. Mutalik, “Standard guidelines for electrosurgery with radiofrequency current,” Indian Journal of Dermatology, Venereology and Leprology, vol. 75, supplement 2, pp. S83–S89, 2009.
[3]
J. Sawyer, S. Febbraro, S. Masud, M. A. Ashburn, and J. C. Campbell, “Heated lidocaine/tetracaine patch (Synera, Rapydan) compared with lidocaine/prilocaine cream (EMLA) for topical anaesthesia before vascular access,” British Journal of Anaesthesia, vol. 102, no. 2, pp. 210–215, 2009.
[4]
H. A. Bryan, T. S. Alster, and R. A. Koppel, “The S-Caine peel: a novel topical anesthetic for cutaneous laser surgery,” Dermatologic Surgery, vol. 28, no. 11, pp. 999–1003, 2002.
[5]
E. V. Lener, B. D. Bucalo, D. A. Kist, and R. L. Moy, “Topical anesthetic agents in dermatologic surgery: a review,” Dermatologic Surgery, vol. 23, no. 8, pp. 673–683, 1997.
[6]
A. K. Schecter, D. M. Pariser, R. J. Pariser, M. R. Ling, D. Stewart, and N. S. Sadick, “Randomized, double-blind, placebo-controlled study evaluating the lidocaine/tetracaine patch for induction of local anesthesia prior to minor dermatologic procedures in geriatric patients,” Dermatologic Surgery, vol. 31, no. 3, pp. 287–291, 2005.
[7]
I. Majid, “Can injectable lignocaine be replaced by topical anesthesia in melanocyte transplant or ultrathin skin grafting?” Journal of Cutaneous and Aesthetic Surgery, vol. 6, no. 2, pp. 127–128, 2013.
[8]
B. Berman, J. Flores, D. Pariser, R. Pariser, T. de Araujo, and C. C. Ramirez, “Self-warming lidocaine/tetracaine patch effectively and safely induces local anesthesia during minor dermatologic procedures,” Dermatologic Surgery, vol. 31, no. 2, pp. 135–138, 2005.
[9]
J. F. Sobanko, C. J. Miller, and T. S. Alster, “Topical anesthetics for dermatologic procedures: a review,” Dermatologic Surgery, vol. 38, no. 1, pp. 1–13, 2012.
[10]
W. O. Kim, B. M. Song, and H. K. Kil, “Efficacy and safety of a lidocaine/tetracaine medicated patch or peel for dermatologic procedures: a meta-analysis,” Korean Journal of Anesthesiology, vol. 62, no. 5, pp. 435–440, 2012.
[11]
T. S. Alster, J. R. Lupton, and A. Kauvar, “Evaluation of a novel topical anesthetic agent for cutaneous laser resurfacing: a randomized comparison study,” Dermatologic Surgery, vol. 28, no. 11, pp. 1004–1006, 2002.
[12]
G. A. Hawker, S. Mian, T. Kendzerska, and M. French, “Measures of adult pain: Visual Analog Scale for Pain (VAS Pain), Numeric Rating Scale for Pain (NRS Pain), McGill Pain Questionnaire (MPQ), Short-Form McGill Pain Questionnaire (SF-MPQ), Chronic Pain Grade Scale (CPGS), Short Form-36 Bodily Pain Scale (SF-36 BPS), and Measure of Intermittent and Constant Osteoarthritis Pain (ICOAP),” Arthritis Care & Research, vol. 63, supplement 11, pp. S240–S252, 2011.
[13]
J. Z. S. Chen, M. R. Alexiades-Armenakas, L. J. Bernstein, L. G. Jacobson, P. M. Friedman, and R. G. Geronemus, “Two randomized, double-blind, placebo-controlled studies evaluating the S-Caine Peel for induction of local anesthesia before long-pulsed ND:YAG laser therapy for leg veins,” Dermatologic Surgery, vol. 29, no. 10, pp. 1012–1018, 2003.
[14]
T. Alster, “Review of lidocaine/tetracaine cream as a topical anesthetic for dermatologic laser procedures,” Pain and Therapy, vol. 2, no. 1, pp. 11–19, 2013.
[15]
J. Z. S. Chen, L. G. Jacobson, A. D. Bakus et al., “Evaluation of the S-Caine Peel for induction of local anesthesia for laser-assisted tattoo removal: randomized, double-blind, placebo-controlled, multicenter study,” Dermatologic Surgery, vol. 31, no. 3, pp. 281–286, 2005.
[16]
E. L. Carter, C. A. Coppola, and F. A. Barsanti, “A randomized, double-blind comparison of two topical anesthesic formulations prior to electrodesiccation of dermatosis papulosa nigra,” Dermatologic Surgery, vol. 32, no. 1, pp. 1–6, 2006.
[17]
S. N. Doshi, P. M. Friedman, D. K. Marquez, and L. H. Goldberg, “Thirty-minute application of the S-Caine Peel prior to nonablative laser treatment,” Dermatologic Surgery, vol. 29, no. 10, pp. 1008–1011, 2003.
[18]
P. M. Friedman, E. A. Mafong, E. S. Friedman, and R. G. Geronemus, “Topical anesthetics update: EMLA and beyond,” Dermatologic Surgery, vol. 27, no. 12, pp. 1019–1026, 2001.
[19]
M. S. Wallace, E. A. Kopecky, T. Ma, F. Brophy, and J. C. Campbell, “Evaluation of the depth and duration of anesthesia from heated lidocaine/tetracaine (Synera) patches compared with placebo patches applied to healthy adult volunteers,” Regional Anesthesia and Pain Medicine, vol. 35, no. 6, pp. 507–513, 2010.
[20]
H. S. Holmes, “Choosing a local anesthetic,” Dermatologic Clinics, vol. 12, no. 4, pp. 817–823, 1994.
[21]
S. Singh, R. Singh, and J. P. Singh, “Anesthetic potential of lignocaine/prilocaine cream (EMLA) versus lignocaine infiltration for radiofrequency ablation of warts,” International Journal of Pharmaceutical Sciences and Research, vol. 3, pp. 858–862, 2012.
[22]
S. E. Curry and J. C. Finkel, “Use of the Synera patch for local anesthesia before vascular access procedures: a randomized, double-blind, placebo-controlled study,” Pain Medicine, vol. 8, no. 6, pp. 497–502, 2007.
[23]
T. S. Shomaker, J. Zhang, G. Love, S. Basta, and M. A. Ashburn, “Evaluating skin anesthesia after administration of a local anesthetic system consisting of an S-Caine patch and a controlled heat-aided drug delivery (CHADD) patch in volunteers,” Clinical Journal of Pain, vol. 16, no. 3, pp. 200–204, 2000.
[24]
N. F. Sethna, S. T. Verghese, R. S. Hannallah, J. C. Solodiuk, D. Zurakowski, and C. B. Berde, “A randomized controlled trial to evaluate S-Caine Patch for reducing pain associated with vascular access in children,” Anesthesiology, vol. 102, no. 2, pp. 403–408, 2005.