this kind of anesthesia of still unknown mode of action ( local anesthetic action or/and action on the morphinic receptors ) seems to be a valuable alternative both to the expensive general anesthesia and to the spinal anesthesia performed with the standard local anesthetics which are allergenic and toxic . its very low cost must be a good reason for an infra-umbilical surgery in the african countries .
C0002903
anesthesia
C0002915
general anesthesia