12只犬均分3组,分别口服高剂量(10mg/kg)、低剂量(4mg/kg)复合蛇毒和等容积内汤作为对照,每日1次,连用3个月。观察给药期间的活动和血常规与生化、肝、肾功能及心电图等,停药后各组处死2只,取心、肝、肾、肺、脑、脾、胃、子宫、甲状腺、肾上腺、胰腺、淋巴结、睾丸、卵巢等作病理检查。结果除高剂量组个别动物出现短时间呕吐及心电图T波及ST段轻微改变外其他未见异常,高剂量组部分动物肝细胞呈现高度浊肿及水样变性,肺泡灶性出血。其余动物于停药30天后处死,高剂量组肝细胞及肺泡正常。 All the 12 dogs were divided into 3 groups. They were orally administered with high dose (10mg / kg) and low dose (4mg / kg) of complex snake venom and an equal volume of internal solution as control, once daily for 3 months. Observed during the administration of the activity and blood and biochemical, liver, kidney function and ECG, after stopping the killing of 2 in each group, take heart, liver, kidney, lung, brain, spleen, stomach, uterus, thyroid, adrenal, Pancreas, lymph nodes, testes, ovaries and other pathological examination. Results In addition to the short-term vomiting in individual animals in the high-dose group and the slight changes in the T-wave and the T-wave in the ECG, no abnormalities were found in some animals. High-dose group of animals showed highly cloudy and watery degeneration of hepatocytes and focal alveolar hemorrhage. The remaining animals were sacrificed 30 days after the withdrawal, high-dose group of normal liver cells and alveoli.