患者女性,51岁。主诉血糖升高10年,口干、多尿、视力下降2个月。现病史10年前因体检发现血糖升高,于当地医院就诊,被诊断为2型糖尿病。患者未控制饮食,运动受限,4年前开始皮下注射人胰岛素50R,当前用量为早24U晚22U餐前30分钟注射,空腹血糖控制在9.0~15.0mmoI/L,餐后血糖未监测。2个月前,患者出现口干、多尿、视力下 Patient female, 51 years old. Chief complaint of elevated blood sugar for 10 years, dry mouth, polyuria, vision loss for 2 months. Current history 10 years ago because of physical examination found that elevated blood sugar, at a local hospital for treatment, was diagnosed with type 2 diabetes. Patients uncontrolled diet, exercise limited, 4 years ago began subcutaneous injection of human insulin 50R, the current dosage as early as 24U late 22U meal 30 minutes before injection, fasting blood glucose control at 9.0 ~ 15.0mmoI / L, postprandial blood glucose was not monitored. Two months ago, the patient developed dry mouth, polyuria, and visual acuity