Initially microcatheters were recommended 28G for CSA but two main problems have been reported with the use of microcatheters, i.e. inadequate anaesthesia and neurotoxic effects, i.e. cauda equina syndrome.
Inicialmente se recomendaron microcatéteres 28 G para la ARC, pero se reportaron 2 problemas principales relacionados con su uso, a saber: anestesia inadecuada y efectos neurotóxicos síndrome de cauda equina.