Lidocaine/prilocaine cream (EMLA(R)) versus infiltration anaesthesia: a comparison of the analgesic efficacy for punch biopsy and electrocoagulation of genital warts in men. 1992

G M vd Berg, and S Lillieborg, and E Stolz
Department of Dermatovenereology, University Hospital Rotterdam/Dijkzigt, The Netherlands.

OBJECTIVE To compare analgesic efficacy and pain caused by administration of lidocaine/prilocaine cream (EMLA(R)) versus xylocaine 1% local infiltration for punch biopsy and electrocoagulation of genital warts in men. METHODS Open randomised comparative parallel-group study. METHODS Department of Dermatovenereology, University Hospital Rotterdam/Dijkzigt, the Netherlands. METHODS 63 males with warts on the genital mucosa and/or perianal area. METHODS EMLA(R) cream (2.5-5 g) was applied during 13-45 minutes before surgery. Xylocaine 1% (0.1-4 ml) was infiltrated 0.5-4 minutes before surgery. Pain during administration and surgery was assessed by the patient on a verbal rating scale and on a visual analogue scale. RESULTS EMLA(R) application was painless in all patients (n = 31) whereas xylocaine infiltration was slightly painful in 17/29 patients and moderately painful in 10/29 patients. EMLA(R) analgesia was satisfactory for 94% of biopsies and 62% of electrocoagulations. Xylocaine infiltration was satisfactory in all procedures. CONCLUSIONS EMLA(R) application on the male genital mucosa is painless but it has a lower analgesic efficacy than xylocaine infiltration. However EMLA is a useful anaesthetic for taking biopsies in this area and may be used as premedication for local infiltration.

UI MeSH Term Description Entries
D008012 Lidocaine A local anesthetic and cardiac depressant used as an antiarrhythmia agent. Its actions are more intense and its effects more prolonged than those of PROCAINE but its duration of action is shorter than that of BUPIVACAINE or PRILOCAINE. Lignocaine,2-(Diethylamino)-N-(2,6-Dimethylphenyl)Acetamide,2-2EtN-2MePhAcN,Dalcaine,Lidocaine Carbonate,Lidocaine Carbonate (2:1),Lidocaine Hydrocarbonate,Lidocaine Hydrochloride,Lidocaine Monoacetate,Lidocaine Monohydrochloride,Lidocaine Monohydrochloride, Monohydrate,Lidocaine Sulfate (1:1),Octocaine,Xylesthesin,Xylocaine,Xylocitin,Xyloneural
D008297 Male Males
D008875 Middle Aged An adult aged 45 - 64 years. Middle Age
D010147 Pain Measurement Scales, questionnaires, tests, and other methods used to assess pain severity and duration in patients or experimental animals to aid in diagnosis, therapy, and physiological studies. Analgesia Tests,Analogue Pain Scale,Formalin Test,McGill Pain Questionnaire,Nociception Tests,Pain Assessment,Pain Intensity,Pain Severity,Tourniquet Pain Test,Visual Analogue Pain Scale,Analog Pain Scale,Assessment, Pain,McGill Pain Scale,Visual Analog Pain Scale,Analgesia Test,Analog Pain Scales,Analogue Pain Scales,Formalin Tests,Intensity, Pain,Measurement, Pain,Nociception Test,Pain Assessments,Pain Intensities,Pain Measurements,Pain Questionnaire, McGill,Pain Scale, Analog,Pain Scale, Analogue,Pain Scale, McGill,Pain Severities,Pain Test, Tourniquet,Questionnaire, McGill Pain,Scale, Analog Pain,Scale, Analogue Pain,Scale, McGill Pain,Severity, Pain,Test, Analgesia,Test, Formalin,Test, Nociception,Test, Tourniquet Pain,Tests, Nociception,Tourniquet Pain Tests
D011318 Prilocaine A local anesthetic that is similar pharmacologically to LIDOCAINE. Currently, it is used most often for infiltration anesthesia in dentistry. Propitocaine,Citanest,Citanest Octapressin,Prilocaine Hydrochloride,Xylonest
D004338 Drug Combinations Single preparations containing two or more active agents, for the purpose of their concurrent administration as a fixed dose mixture. Drug Combination,Combination, Drug,Combinations, Drug
D004564 Electrocoagulation Procedures using an electrically heated wire or scalpel to treat hemorrhage (e.g., bleeding ulcers) and to ablate tumors, mucosal lesions, and refractory arrhythmias. It is different from ELECTROSURGERY which is used more for cutting tissue than destroying and in which the patient is part of the electric circuit. Diathermy, Surgical,Electrocautery,Endocavitary Fulguration,Galvanocautery,Surgical Diathermy,Thermocoagulation,Fulguration, Endocavitary
D005832 Genital Diseases, Male Pathological processes involving the male reproductive tract (GENITALIA, MALE). Male Genital Diseases,Disease, Male Genital,Diseases, Male Genital,Genital Disease, Male,Male Genital Disease
D006801 Humans Members of the species Homo sapiens. Homo sapiens,Man (Taxonomy),Human,Man, Modern,Modern Man
D000077442 Lidocaine, Prilocaine Drug Combination A topical local anesthetic preparation that is composed of a mixture of lidocaine and prilocaine. It is used to provide anesthesia during minor surgery and for the treatment of PREMATURE EJACULATION. EMLA Cream,Eutectic Lidocaine-Prilocaine,Eutectic Mixture of Local Anesthetics,Fortacin,Lidocaine Prilocaine,Lidocaine-Prilocaine Drug Combination,Oraqix,PSD 502,PSD-502,PSD502,Topical Eutectic-Like Mixture for Premature Ejaculation,Eutectic Lidocaine Prilocaine,Lidocaine Prilocaine Drug Combination,Lidocaine-Prilocaine, Eutectic,Prilocaine, Lidocaine,Topical Eutectic Like Mixture for Premature Ejaculation

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