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Does the use of topical lidocaine, epinephrine, and tetracaine solution provide sufficient anesthesia for laceration repair?

April 26, 2017anesthesia epinephrine laceration lidocaine Repair solution sufficient tetracaine topical

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Does the use of topical lidocaine, epinephrine, and tetracaine solution provide sufficient anesthesia for laceration repair?

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Author(s): Adler AJ, Dubinisky I, Eisen J Affiliation(s): University of Toronto, Ontario, Canada. Publication date & source: 1998-02, Acad Emerg Med., 5(2):108-12. Publication type: Clinical Trial; Randomized Controlled Trial OBJECTIVE: To determine: 1) the effectiveness of lidocaine, epinephrine, and tetracaine (LET) solution in eliminating or reducing the pain experienced in suturing superficial lacerations in adult patients; and 2) the effectiveness of LET in reducing the pain of local anesthetic injection. METHODS: A prospective, randomized, double-blind study in which 60 adult patients with superficial lacerations were entered was conducted in the ED of a community-based teaching hospital affiliated with the University of Toronto. Following application of the LET or placebo (sterile water) solution to the laceration, a visual analog pain scale was recorded by the patient upon needle probing of the wound margin. If probing was painless, the laceration was repaired using LET alone.