Spinal muscular atrophy type 1 (SMA 1) is a devastating motor neuron disorder that leads to progressive muscle weakness, respiratory failure and premature death. Although sensory electrophysiological changes have been anecdotally found in pediatric SMA 1 patients, the age of onset of sensory neuropathy remains unknown.

中文翻译：

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1型脊髓性肌萎缩症患者的年龄相关性感觉神经病变

脊髓性肌萎缩 1 型 (SMA 1) 是一种破坏性运动神经元疾病，可导致进行性肌肉无力、呼吸衰竭和过早死亡。尽管在儿科 SMA 1 患者中发现了感觉电生理变化，但感觉神经病变的发病年龄仍然未知。