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对于合并有肝硬化的肝癌患者来说，肝切除术中常温下肝门阻断的安全期限大约是30分钟。作者在肝段切除时采用了局部冷冻的方法，既延长了肝血流阻断时间，也未引起硬化肝进一步的缺血性损害。病人和方法：50例肝癌合并肝硬化的患者分为2组：低温组（27例）和常温对照组（23例）
For liver cancer patients with cirrhosis of the liver, the safety period of hepatic portal occlusion at room temperature during liver resection is approximately 30 minutes. The authors used a local freezing method during hepatectomy to extend the duration of hepatic blood flow blockade and did not cause further ischemic damage to the hardened liver. Patients and Methods: Fifty liver cancer patients with liver cirrhosis were divided into two groups: hypothermia group (27 cases) and normal temperature control group (23 cases).