• Nicholas J White, Michael K Kim, David C Brousseau, Jo Bergholte, and Halim Hennes.
• Department of Pediatrics, Division of Pediatric Emergency Medicine, Eastern Virginia Medical School, Children's Hospital of The King's Daughters, Norfolk, VA 23507, USA. whitenj@chkd.org
• Pediatr Emerg Care. 2004 Dec 1; 20 (12): 812-5.

ObjectivesTo determine the effectiveness of lidocaine-adrenaline-tetracaine (LAT) in providing adequate anesthesia for the repair of finger lacerations and to monitor the risk of digital ischemia following application of LAT gel to finger lacerations.MethodsA prospective case series. Children aged 5 to 18 years with a simple finger laceration-requiring repair were eligible for enrollment. The primary outcome measure was LAT success/failure. Failure was defined as any sharp sensation reported by the patient either before or during suturing. Enrolled patients had LAT gel applied to their laceration for 45 minutes, followed by an examination for signs of digital ischemia and standard laceration repair. Infiltration anesthesia (local subcutaneous injection/digital block) was provided for all LAT failures. Patients were followed up by phone within 3 to 5 days from discharge.ResultsSixty-seven patients were analyzed in the study. The mean age was 11.9 years. Forty-four (65.7%) of 67 patients were male and 46 (68.7%) were white. Locations of the lacerations were equally distributed on the dorsal and ventral surfaces. The overall LAT success rate was 53.7% (95% confidence interval [CI], 41.1% to 66.0%; 36/67). The success rate for dorsal surface lacerations was 68.6% (95% CI, 50.7% to 83.1%; 24/35) versus 37.5% (95% CI, 21.1% to 56.3%; 12/32) for ventral surface lacerations. The difference in success rates between dorsal and ventral surface lacerations was significant (Delta 31.1% [95% CI, 8.3% to 53.8%]). There were no differences in success rates for age, sex, or race. No signs of digital ischemia were noted in any of the 67 cases (0% [95% CI, 0.0% to 5.4%]).ConclusionsLAT gel appears to be a safe and effective means of providing anesthesia for the repair of simple finger lacerations in children. It was most effective on the dorsal surface of the finger.

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