Ultrasonography and electrophysiological study of median nerve in patients with essential tremor

Hye Lim Lee, Ji-sun Kim, Hanjun Kim, Il soo Kim, Jae-whan Kim, Ye-eun Kim and Seong-beom Koh

PLOS ONE, 2019, vol. 14, issue 4, 1-9

Abstract: Essential tremor (ET) is a common movement disorder characterized by postural or kinetic tremor. We aimed to evaluate median nerve enlargement in patients with ET using ultrasonography (USG). Thirty-eight hands from 19 patients with ET and 24 hands from 13 controls underwent nerve conduction studies (NCS) and USG at the wrist. Tremor severity was measured using the Fahn–Tolosa–Marin Tremor Rating Scale (FTM-TRS). The median nerve cross sectional area (mCSA) in USG and NCS parameters were compared using ANCOVA. We evaluated the correlation between mCSA and NCS parameters or FTM-TRS scores using linear regression analysis. mCSA was significantly larger (p

Date: 2019
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Persistent link: https://EconPapers.repec.org/RePEc:plo:pone00:0215750

DOI: 10.1371/journal.pone.0215750

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