Objective: To Evaluate the value and effects on MMC of sufentanil with different analgisic technique after hepatotomy. 目的：探讨舒芬太尼不同镇痛方式对肝脏手术后早期胃肠消化间期移行性复合运动（MMC Migrating Motor Complex）的影响。
Postoperative analgesia with sufentanil was proved to be safe to manage postoperative pain after hepatotomy for patients, though it does not seem to decrease postoperative ileus. 舒芬太尼镇痛是可行、安全、有效的，但较硬膜外布比卡因明显抑制病人的术后胃肠道动力。
Comparison of Sufentanil to Fentanil on Patient-controlled Epidural or Intravenous Postoperative Analgesia after Hepatotomy 等效剂量舒芬太尼或芬太尼术后硬膜外或静脉患者自控镇痛效应的观察
