A prognostic factor in focal hand dystonia: typist's cramp cases and literature review

Jee Hyun Ham; Sang Jin Kim; Sook Keun Song; Chul Hyoung Lyoo; Phil Hyu Lee; Young Ho Sohn; Suk Yun Kang

doi:10.1016/j.jns.2016.10.028

A prognostic factor in focal hand dystonia: typist's cramp cases and literature review

Jee Hyun Ham, Sang Jin Kim, Sook Keun Song, Chul Hyoung Lyoo, Phil Hyu Lee, Young Ho Sohn, Suk Yun Kang

Department of Neurology

Research output: Contribution to journal › Article › peer-review

4 Citations (Scopus)

Abstract

The prognosis of focal hand dystonia (FHD) remains unclear. We retrospectively studied six patients with typist's cramp in our hospitals, and five cases in the PubMed database. All of them were right-handed. We compared clinical features between simple (dystonia in only one specific task), and dystonic/progressive groups (dystonia in several and/or new tasks). The initially affected right hand ratio was significantly higher in dystonic/progressive groups than in simple group (p = 0.015). Initially affected hand may be a predictor for the progression, implying that the progression may be associated with the amount of daily routine hand movements.

Original language	English
Pages (from-to)	85-87
Number of pages	3
Journal	Journal of the Neurological Sciences
Volume	371
DOIs	https://doi.org/10.1016/j.jns.2016.10.028
Publication status	Published - 2016 Dec 15

Bibliographical note

Funding Information:
This work was supported by a 2015 Hallym University Medical Center Research Grant ( HURF-2015-41 ). We thank two anonymous reviewers for their valuable comments and suggestions with providing one more case with typist's cramp.

All Science Journal Classification (ASJC) codes

Neurology
Clinical Neurology

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10.1016/j.jns.2016.10.028

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title = "A prognostic factor in focal hand dystonia: typist's cramp cases and literature review",

abstract = "The prognosis of focal hand dystonia (FHD) remains unclear. We retrospectively studied six patients with typist's cramp in our hospitals, and five cases in the PubMed database. All of them were right-handed. We compared clinical features between simple (dystonia in only one specific task), and dystonic/progressive groups (dystonia in several and/or new tasks). The initially affected right hand ratio was significantly higher in dystonic/progressive groups than in simple group (p = 0.015). Initially affected hand may be a predictor for the progression, implying that the progression may be associated with the amount of daily routine hand movements.",

author = "Ham, {Jee Hyun} and Kim, {Sang Jin} and Song, {Sook Keun} and Lyoo, {Chul Hyoung} and Lee, {Phil Hyu} and Sohn, {Young Ho} and Kang, {Suk Yun}",

note = "Funding Information: This work was supported by a 2015 Hallym University Medical Center Research Grant ( HURF-2015-41 ). We thank two anonymous reviewers for their valuable comments and suggestions with providing one more case with typist's cramp.",

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AU - Ham, Jee Hyun

AU - Kim, Sang Jin

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AU - Lyoo, Chul Hyoung

AU - Lee, Phil Hyu

AU - Sohn, Young Ho

AU - Kang, Suk Yun

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