1·Normal occlusion of porta hepatis can reduce blood loss effectively after liver resecting.
肝门正常闭塞可有效减少肝切除术后的失血。
2·Normothetic occlusion of porta hepatis can reduce blood loss effectively when liver resection.
常温下第一肝门阻断可有效减少切肝时的出血量；
3·Objective:To investigate if freezing of the first porta hepatis can lead biliary duct impairment and change hepatic hemodynamics.
目的：探讨第一肝门深低温冷冻对肝脏血流动力学的影响。