患者男性,61岁主诉口渴、多饮、多尿、乏力5年。现病史患者5年前无明显诱因出现口渴、多饮、多尿、乏力,于当地医院就诊,查空腹血糖9.8mmol/L,诊断为2型糖尿病。一开始采用饮食和运动治疗,后加用二甲双胍,血糖控制尚可。1年前患者血糖控制变差,用药方案改 Male patient, 61-year-old chief complaint of thirst, polydipsia, polyuria, fatigue for 5 years. History of patients with 5 years ago no obvious incentive to thirst, polydipsia, polydipsia, fatigue, at a local hospital, check fasting blood glucose 9.8mmol / L, the diagnosis of type 2 diabetes. The beginning of the diet and exercise therapy, after the addition of metformin, blood glucose control is acceptable. A year ago, patients with poor blood glucose control, medication program changed