140331 選択的帝王切開の標準の麻酔

脊麻：

局所麻酔薬必要量２５％程度減少
フェンタニル１２．５μgで効果は頭打ち　

Chu CC
Acta Anaesthesiol Sin. 1995;33:149-54.
The effect of intrathecal bupivacaine with combined fentanyl in cesarean section.
http://www.ncbi.nlm.nih.gov/pubmed/7493145