Journal of pediatric orthopedics
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Randomized Controlled Trial Clinical Trial
Randomized double-blind trial of low- and moderate-dose lidocaine regional anesthesia for forearm fractures in childhood.
We undertook a randomized double-blind trial to compare the efficacy of 1.5 mg/kg body weight (low dose) and 3 mg/kg (moderate dose) lidocaine regional anesthesia for closed reductions of forearm fractures in childhood. Of the 283 children studied, 143 were randomized to the moderate-dose group and 140 to the low-dose group. The characteristics of the children and their injuries did not differ significantly. ⋯ In contrast, the moderate-dose lidocaine protocol is more reliable in children with displaced forearm fractures. Meticulous adherence to the protocols is essential to prevent systemic lidocaine toxicity from premature deflation of the tourniquet. This potential risk is further reduced by use of the low-dose protocol, which is applicable to approximately 70% of the children with forearm fractures requiring closed reductions.
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Forty-seven children with 32 open tibial fractures, 11 open femoral fractures, and six closed tibial fractures with compartment syndrome, which were surgically opened, were assessed for the time to union and incidence of nonunion and infection. Treatment varied with fracture severity and patient age. Tibial external fixators were supplemented by short-leg casts, and fixators were removed at an average of 7 weeks. ⋯ No pin-tract infections occurred in tibial fractures treated with external fixation with casting. The relation between age and time to union was statistically significant. In open fractures without segmental bone loss or soft-tissue loss requiring major reconstruction, bony healing can be expected within 6 months.