刘先生今年40岁,有糖尿病家族史,平素应酬多,工作压力大,烟酒无度。前不久他在体检中发现血糖升高,空腹血糖13.0mmol/L,餐后2小时血糖16.0mmol/L,确诊糖尿病。为了使血糖快速降至正常范围,他开始控制饮食,联合口服降糖药物治疗。数日后出现视物模糊,双下肢轻度浮肿, Mr. Liu 40 years old this year, a family history of diabetes, usually more entertainment, work pressure, excessive alcohol and tobacco. Not long ago he found in the physical examination elevated blood glucose, fasting blood glucose 13.0mmol / L, 2 hours postprandial blood glucose 16.0mmol / L, diagnosed with diabetes. In order to quickly drop blood glucose to the normal range, he began to control the diet, combined with oral antidiabetic drug treatment. A few days later blurred vision, mild swelling of both lower extremities,