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作者选择年龄46~70岁,有15年以上的酒精中毒史,视力不低于20/100,眼底检查正常,血清锌含量低(<70mg/100ml)的6名男性肝硬化病人进行本实验,并以暗适应试验作为评定指标。病人1和2为第Ⅰ组,开始每天服维生素A(V_A)10,000 I.U.2~4周后服硫酸锌,病人3、4、5为第Ⅱ组,每天仅服硫酸锌220μg;病人6为第Ⅲ组,同时服V_A和硫酸锌。实验期间定期取血测定肝功、血清锌、胡萝卜素和V_A的含量。在整个实验期间,病人都不饮酒
The authors selected six male patients with cirrhosis who were aged 46 to 70 years and had a history of alcoholism over 15 years, visual acuity of not less than 20/100, normal fundus examination, and low serum zinc levels (<70mg / 100ml) And dark adaptation test as a measure of indicators. Patient 1 and 2 were in Group I and started taking vitamin A (V_A) 10,000 IU daily for 2 to 4 weeks before serving zinc sulfate. Patients 3, 4 and 5 were group II, serving only 220 μg zinc sulfate per day; patient 6 was Group Ⅲ, while serving V_A and zinc sulfate. During the experiment, blood was taken regularly to determine the liver function, serum zinc, carotene and V_A contents. During the entire experiment, the patient did not drink alcohol