Abstract
Spinal anesthesia (SA) is being increasingly used in infants to avoid the potential negative neurocognitive effects of general anesthesia (GA). However, SA has been reported to provide a relatively short duration of surgical anesthesia. We retrospectively reviewed SA cases for surgical procedures lasting more than 60min in children up to 3years old. All patients received bupivacaine 0.5% (1mg/kg up to 7mg) with clonidine 1µg/kg ± epinephrine. The primary outcome was success of SA without subsequent conversion to GA. Thirty-five patients met inclusion criteria (all males, age 7 ± 5 months, weight 8 ± 2kg). Procedures included male genital, groin and multiple site surgeries. Average surgical duration was 71 ± 12min (range 60-111min). SA was successful in 31 of 35 patients (89%; 95% confidence interval 78, 99%). The cause of failure was rarely due to the duration of surgery (1 of 4 patients). Six patients with successful SA required sedation with dexmedetomidine ± fentanyl. Differences in procedure duration and patient characteristics were not statistically significant between successful and failed SA. SA is a highly successful technique and may offer an alternative to GA in children undergoing appropriate surgery expected to last as long as 60-100min.
Published Version
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