20分後 6 μg/ml
8時間後 1.2 μg/ml
14時間後 0.6μg/ml http://www.ncbi.nlm.nih.gov/pubmed/20645946Anaesthesia. Hübler M, Gäbler R, Ehm B, Oertel R, Gama de Abreu M, Koch T. Successful resuscitation following ropivacaine-induced systemic toxicity in a neonate. Anaesthesia. 2010;65:1137-40.