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急性皮质盲(ACB)可由不同病因引起。作者治疗1例患儿在低血糖发作时,发生暂时性ACB。男,3.5岁,以暂短剧烈呕吐后昏迷住院。生后3个月,被确诊为Cori氏Ⅰ型糖原累积症。智力正常,身长,体重低于同龄儿童。患儿经常有低血糖晕厥发作,有时接着发生暂时性(2～4小时)失明。体检:对疼痛刺激有反应,无脑膜刺激征及其它神经体征。肝大,肋下10cm。化验:血糖15mg/dl,血尿素氮、氯、钾、钠、钙、磷正常。静脉血pH值7.30,硷剩余17mEq/L,碳酸氢盐11.6mEq/L,PCO_24mmHg。经高渗葡萄糖静注,几分钟后完全清醒但主诉失
Acute cortical blindness (ACB) can be caused by different causes. The authors treated 1 patient in the hypoglycemic episodes, the occurrence of transient ACB. Male, 3.5 years old, hospitalized in a coma after a temporary violent vomiting. 3 months after birth, was diagnosed with Cori’s type Ⅰ glycogenosis. Normal intelligence, length, weight less than children of the same age. Children often have episodes of hypoglycemic syncope, sometimes followed by transient (2 to 4 hours) blindness. Physical examination: response to painful stimuli, meningeal irritation and other neurological signs. Liver, ribs 10cm. Laboratory tests: blood glucose 15mg / dl, blood urea nitrogen, chlorine, potassium, sodium, calcium, phosphorus normal. Venous pH 7.30, base remaining 17mEq / L, bicarbonate 11.6mEq / L, PCO_24mmHg. Hypertonic glucose intravenous injection, fully awake after a few minutes but the main complaint was lost