Does intraoperative and postoperative analgesia cause bile leakage after hepatectomy?

Takamichi Igarashi^*, Norifumi Harimoto^*, Ryo Muranushi, Takahiro Yamanaka, Kei Hagiwara, Kouki Hoshino, Norihiro Ishii, Mariko Tsukagoshi, Akira Watanabe, Norio Kubo, Kenichiro Araki, Shigeru Saito, Ken Shirabe