Peripheral catheter techniques
Christophe Dadure & Xavier Capdevila
Department of Anaesthesia and Critical Care Unit, Lapeyronie University Hospital, Montpellier, France
Pediatric Anesthesia 22 (2012) 93-101Summary
With ultrasound, continuous peripheral nerve blocks (CPNBs) are one of the most recent developments in regional anesthesia in children. CPNBs are now used more widely in children because more suitable materials have been marketed, allowing complete, and prolonged postoperative pain control. Their use after orthopedic procedures in children and treatment
for complex regional pain syndrome in adolescents has demonstrated the benefits. Perineural catheters have also shown their superiority over other techniques of continuous regional anesthesia in terms of side effects. The efficiency and the safety of these techniques may facilitate early ambulation with improved pain management, treatment at home with disposable
pumps, and improved rehabilitation of children. Studies on large cohorts of patients published to date have failed to highlight any severe complications in their use compared with other adult studies. Accidents owing to systemic toxicity are very unlikely if the recommended maximum dose is not exceeded. The safety of continuous regional anesthesia techniques in children relies on the use of low-concentration L-enantiomer solutions (ropivacaine or levobupivacaine) accompanied by low plasma concentrations of local anesthetics, limiting the risk of systemic toxicity of these molecules. CPNB can ensure strong and lasting analgesia in hospital or at
home.
http://onlinelibrary.wiley.com/doi/10.1111/j.1460-9592.2011.03730.x/pdf 
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