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上呼吸道感染患儿口服尼美舒利后发生瑞氏综合征及猝死样症状

Zhongguo dang dai er ke za zhi = Chinese journal of contemporary pediatrics(2018)

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Abstract
患儿,男,6岁3个月,2个月前因上呼吸道感染、发热,父母参照说明书予以尼美舒利口服,半小时后抽搐,呼吸心跳骤停,急诊检查发现低酮性低血糖,代谢性酸中毒,血清转氨酶及肌酶显著升高,肾功能受损.经积极复苏治疗后患儿意识及生命体征恢复,但是智力、运动严重倒退.患儿血液游离肉碱降低,中长链酯酰肉碱增高,尿液戊二酸、3-羟基戊二酸、异戊酰甘氨酸、乙基丙二酸等增高,提示多种酯酰辅酶A脱氢酶缺乏症.经维生素B2、左卡尼汀、苯扎贝特等治疗后患儿病情逐渐好转,3个月后复查生化指标恢复正常.患儿ETFDH基因存在复合杂合突变,c.341G>A(p.R114H)为已知突变(来自母亲),c.1484C>G(p.P495R)为未报道的新突变(来自父亲).患儿最终确诊为多种酰基辅酶A脱氢酶缺乏症,因发热服用尼美舒利诱发急性代谢危象,导致瑞氏综合征、猝死样发作.遗传代谢病是导致瑞氏综合征、猝死的一组主要病因,生化及基因分析是识别潜在疾病的关键.
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Key words
reye syndrome,upper respiratory tract infection,sudden death symptoms,nimesulide
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