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评估糖尿病患者的皮肤有髓神经纤维。

Evaluation of dermal myelinated nerve fibers in diabetes mellitus.

机构信息

Department of Neurology, Vanderbilt University Medical Center, Nashville, TN, USA.

出版信息

J Peripher Nerv Syst. 2013 Jun;18(2):162-7. doi: 10.1111/jns5.12027.

Abstract

Skin biopsies have primarily been used to study the non-myelinated nerve fibers of the epidermis in a variety of neuropathies. In this study, we have expanded the skin biopsy technique to glabrous, non-hairy skin to evaluate myelinated nerve fibers in the most highly prevalent peripheral nerve disease, diabetic polyneuropathy (DPN). Twenty patients with DPN (Type I, n = 9; Type II, n = 11) and 16 age-matched healthy controls (age 29-73) underwent skin biopsy of the index finger, nerve conduction studies (NCS), and composite neuropathy scoring. In patients with DPN, we found a statistically significant reduction of both mechanoreceptive Meissner corpuscles (MCs) and their afferent myelinated nerve fibers (p = 0.01). This myelinated nerve fiber loss was correlated with the decreased amplitudes of sensory/motor responses in NCS. This study supports the utilization of skin biopsy to quantitatively evaluate axonal loss of myelinated nerve fibers in patients with DPN.

摘要

皮肤活检主要用于研究各种神经病变中表皮的无髓神经纤维。在这项研究中,我们将皮肤活检技术扩展到无毛的光滑皮肤上,以评估最常见的周围神经疾病——糖尿病多发性神经病(DPN)中的有髓神经纤维。20 名 DPN 患者(I 型,n = 9;II 型,n = 11)和 16 名年龄匹配的健康对照者(年龄 29-73 岁)接受了食指皮肤活检、神经传导研究(NCS)和综合神经病变评分。我们发现 DPN 患者的机械感觉 Meissner 小体(MC)及其传入有髓神经纤维均有统计学显著减少(p = 0.01)。这种有髓神经纤维的丢失与 NCS 中感觉/运动反应幅度的降低相关。这项研究支持利用皮肤活检定量评估 DPN 患者有髓神经纤维轴突的丢失。

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Diagnosis and classification of diabetes mellitus.糖尿病的诊断与分类
Diabetes Care. 2013 Jan;36 Suppl 1(Suppl 1):S67-74. doi: 10.2337/dc13-S067.
2
Evaluating dermal myelinated nerve fibers in skin biopsy.评估皮肤活检中的皮肤有髓神经纤维。
Muscle Nerve. 2013 Jan;47(1):1-11. doi: 10.1002/mus.23510. Epub 2012 Nov 28.
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Conduction block in PMP22 deficiency.PMP22 缺乏症中的传导阻滞。
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