摘要
脊髓性肌萎缩症(spinal muscular atrophy,SMA)是婴幼儿时期最常见的致死性神经遗传性疾病。该病为常染色体隐性遗传,主要致病基因位于5q 11-13上的SMN(survivalmotor neuron)基因。该致病基因的人群携带率1/50~1/42,SMA的人群发病率为1/10000~1/6000。SMA病变主要累及脊髓前角α运动神经元,临床上主要以肌无力、肌张力下降、肌萎缩、腱反射减弱或消失为主要表现,通常近端重于远端,下肢重于上肢,疾病呈对称性进展。
作者
杨贇滢(综述)
洪思琦(审校)
Yang Yunying;Hong Siqi(Children’s Hospital of Chongqing Medical University,Ministry of Education Key Laboratory of Child Development and Disorders,National Clinical Research Center for Child Health and Disorders,China International Science and Technology Cooperation Base of Child Development and Critical Disorders,Chongqing Key Laboratory of Pediatrics,Chongqing 400014,China)
出处
《儿科药学杂志》
CAS
2022年第12期55-58,共4页
Journal of Pediatric Pharmacy