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KIF1A-related disorders in children: A wide spectrum of central and peripheral nervous system involvement.
Journal of the Peripheral Nervous System ( IF 3.8 ) Pub Date : 2020-03-06 , DOI: 10.1111/jns.12368
Tarishi Nemani 1 , Dora Steel 1, 2 , Marios Kaliakatsos 1 , Catherine DeVile 1 , Athina Ververi 3 , Richard Scott 3 , Spas Getov 4 , Sniya Sudhakar 5 , Alison Male 3 , Kshitij Mankad 5 , 6 , Francesco Muntoni 1, 2 , Mary M Reilly 7 , Manju A Kurian 1, 2 , Lucinda Carr 1 , Pinki Munot 1
Affiliation  

KIF1A‐related disorders (KRD) were first described in 2011 and the phenotypic spectrum has subsequently expanded to encompass a range of central and peripheral nervous system involvement. Here we present a case series demonstrating the range of clinical, neurophysiological, and radiological features which may occur in childhood‐onset KRD. We report on all the children and young people seen at a single large tertiary centre. Data were collected through a retrospective case‐notes review. Twelve individuals from 10 families were identified. Eight different mutations were present, including four novel mutations. Two patients displayed a very severe phenotype including congenital contractures, severe spasticity and/or dystonia, dysautonomia, severe sensorimotor polyneuropathy and optic atrophy, significant white matter changes on brain MRI, respiratory insufficiency, and complete lack of neurodevelopmental progress. The remaining 10 patients represented a spectrum of severity with common features including a movement disorder with spasticity and/or dystonia, subtle features of dysautonomia, sensory axonal neuropathy, varying degrees of optic atrophy and of learning and/or behavioural difficulties, and subtle or absent—but sometimes progressive—changes in white matter on MRI. Epilepsy was common among the more severely affected children. This case series demonstrates that KRD comprise a range of neurological disorders, with both the milder and the more severe forms combining central and peripheral (including autonomic) nervous system deficits.

中文翻译:

儿童的KIF1A相关疾病:广泛的中枢和周围神经系统受累。

KIF1A相关疾病(KRD)于2011年首次描述,其表型范围随后扩大到涵盖中枢和周围神经系统的范围。在这里,我们介绍一个病例系列,说明儿童期KRD可能发生的临床,神经生理和放射学特征的范围。我们报告了在一个大型三级中心看到的所有儿童和年轻人。通过回顾性病例笔记审查收集数据。确定了来自10个家庭的12个人。存在八个不同的突变,包括四个新的突变。两名患者表现出非常严重的表型,包括先天性挛缩,严重的痉挛和/或肌张力障碍,自主神经功能障碍,严重的感觉运动性多发性神经病和视神经萎缩,脑部MRI出现明显的白质改变,呼吸功能不全,完全缺乏神经发育的进展。其余10例患者表现出一系列严重程度,其常见特征包括痉挛和/或肌张力障碍运动障碍,自主神经细微特征,感觉轴突神经病,视神经萎缩程度不同以及学习和/或行为困难,以及微妙或不存在MRI上白质的变化(有时是渐进的)。在受影响最严重的儿童中,癫痫病很常见。该病例系列表明,KRD包括一系列神经系统疾病,较轻和较重的形式都结合了中枢神经系统和外周神经系统(包括自主神经)缺陷。其余10例患者表现出一系列严重程度,其常见特征包括痉挛和/或肌张力障碍运动障碍,自主神经细微特征,感觉轴突神经病,视神经萎缩程度不同以及学习和/或行为困难,以及微妙或不存在MRI上白质的变化(有时是渐进的)。在受影响最严重的儿童中,癫痫病很常见。该病例系列表明,KRD包括一系列神经系统疾病,较轻和较重的形式都结合了中枢神经系统和外周神经系统(包括自主神经)缺陷。其余10例患者表现出一系列严重程度,其常见特征包括痉挛和/或肌张力障碍运动障碍,自主神经细微特征,感觉轴突神经病,视神经萎缩程度不同以及学习和/或行为困难,以及微妙或不存在MRI上白质的变化(有时是渐进的)。在受影响最严重的儿童中,癫痫病很常见。该病例系列表明,KRD包括一系列神经系统疾病,较轻和较重的形式都结合了中枢神经系统和外周神经系统(包括自主神经)缺陷。MRI上白质的细微变化或不存在,有时甚至是进行性变化。在受影响最严重的儿童中,癫痫病很常见。该病例系列表明,KRD包括一系列神经系统疾病,较轻和较重的形式都结合了中枢神经系统和外周神经系统(包括自主神经)缺陷。MRI上白质的细微变化或不存在,有时甚至是进行性变化。在受影响最严重的儿童中,癫痫病很常见。该病例系列表明,KRD包括一系列神经系统疾病,较轻和较重的形式都结合了中枢神经系统和外周神经系统(包括自主神经)缺陷。
更新日期:2020-03-06
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