Faculty Bibliography

Regional anesthetic blocks, especially in-dwelling catheters, are infrequently used in neonates and infants. The following report describes a neonate with a gangrenous right upper extremity requiring multiple painful debridements over several weeks. A brachial plexus catheter was placed using ultrasound guidance, and a continuous infusion of a local anesthetic was used to provide postoperative pain control. After the initial procedures, bolus doses of a local anesthetic agent provided surgical anesthesia for dressing changes, thus obviating the need for multiple general anesthetics. This case demonstrates the potential efficacy of regional techniques to both treat pain and limit anesthetic exposures in neonates.

Based on animal data, concern has been expressed regarding the potential deleterious neurocognitive effects of general anesthesia during infancy and early life. Although there are no definitive data to prove this effect, the neonatal period has been suggested to be the most vulnerable period. While various inhaled and intravenous anesthetic agents have been implicated, dexmedetomidine and the opioids may be devoid of such effects. However, there are limited data regarding the combination of these agents during neonatal surgery and anesthesia. We present the use of these agents in combination with epidural anesthesia for postoperative analgesia in a 1-day-old neonate during thoracotomy and excision of a congental cystic adenomatoid malformation. Previous reports of the use of this unique combination of agents are reviewed and their role in this scenario discussed.