Abstract
4例患儿均因新生儿筛查发现运动神经元存活(SMN)1基因7号外显子纯合缺失就诊,均无脊髓性肌萎缩症(SMA)临床症状,神经系统查体均无阳性体征,电生理检查尺神经、腓总神经复合肌肉动作电位(CMAP)波幅均处于同年龄段正常范围。4例患儿经基因检测提示SMN2基因拷贝数均为3,均诊断为症状前SMA。患儿在出现症状前接受诺西那生钠疾病修正治疗,随访14~18个月,均可实现正常运动里程碑,监测CMAP波幅均处于同年龄段正常范围,无患儿发病。.
MeSH terms
-
Child
-
Child, Preschool
-
Exons
-
Female
-
Humans
-
Infant
-
Male
-
Muscular Atrophy, Spinal* / diagnosis
-
Muscular Atrophy, Spinal* / drug therapy
-
Muscular Atrophy, Spinal* / genetics
-
Muscular Atrophy, Spinal* / therapy
-
Oligonucleotides
-
Spinal Muscular Atrophies of Childhood / diagnosis
-
Spinal Muscular Atrophies of Childhood / drug therapy
-
Spinal Muscular Atrophies of Childhood / genetics
-
Spinal Muscular Atrophies of Childhood / therapy
-
Survival of Motor Neuron 2 Protein / genetics
Substances
-
nusinersen
-
Survival of Motor Neuron 2 Protein
-
Oligonucleotides