Persisting “Writer's Cramp” as a result of compensation of a temporary palsy due to a hereditary neuropathy with liability to pressure palsies
Identifieur interne : 003A99 ( Istex/Checkpoint ); précédent : 003A98; suivant : 003B00Persisting “Writer's Cramp” as a result of compensation of a temporary palsy due to a hereditary neuropathy with liability to pressure palsies
Auteurs : Straube [Allemagne] ; Norbert Mai [Allemagne] ; Ernst Walther [Allemagne] ; Michael Mayer [Allemagne]Source :
- Movement Disorders [ 0885-3185 ] ; 1996-09.
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Abstract
A 49‐year‐old man reported several periods of acute paresis of different nerves after exposure to pressure. All palsies showed a good recovery over a period of days to months. The suspected diagnosis of a hereditary neuropathy with liability to pressure palsies was confirmed by the histology of a suralis nerve biopsy, which showed a distinct tomaculous swelling of the myelin. Nine years ago he noticed an acute, distally pronounced palsy of the right arm. A brachial plexus lesion was diagnosed. His profession required written work, thereby forcing him to compensate this weakness by increasign the coactivation of the elbow and upper arm. This coactivation persisted even after complete recovery from the plexus palsy. Thus, the patient showed the typical feature of classcal writer's cramp, with broad coactivation of the arm muscles, which has continued to the present. At the same time, however, the patient was able to perform other motoric tasks well, such as painting. After several practice sessions with a special program that makes use of preserved motor abilities to reestablish writing, the patient was again able to write with a normal kinematic profile as documented by the recorded handwriting. This suggests that the “writer's cramp” of our patient is one form of task‐related dystonia that may be related more to the perserveration of a misleading motor strategy than to a general inability of the motor system to control the movement properly.
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DOI: 10.1002/mds.870110515
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Disord.</title><idno type="ISSN">0885-3185</idno><idno type="eISSN">1531-8257</idno><imprint><publisher>Wiley Subscription Services, Inc., A Wiley Company</publisher><pubPlace>Hoboken</pubPlace><date type="published" when="1996-09">1996-09</date><biblScope unit="vol">11</biblScope><biblScope unit="issue">5</biblScope><biblScope unit="page" from="576">576</biblScope><biblScope unit="page" to="579">579</biblScope></imprint><idno type="ISSN">0885-3185</idno></series><idno type="istex">7D8AE905A43650013CFEFB2970BF08E4129849F0</idno><idno type="DOI">10.1002/mds.870110515</idno><idno type="ArticleID">MDS870110515</idno></biblStruct></sourceDesc><seriesStmt><idno type="ISSN">0885-3185</idno></seriesStmt></fileDesc><profileDesc><textClass><keywords scheme="KwdEn" xml:lang="en"><term>Cocontraction</term><term>Liability to pressure palsy</term><term>Motor program error</term><term>Preserved motor abilities</term><term>Writer's cramp</term></keywords></textClass><langUsage><language ident="en">en</language></langUsage></profileDesc></teiHeader><front><div type="abstract" xml:lang="en">A 49‐year‐old man reported several periods of acute paresis of different nerves after exposure to pressure. All palsies showed a good recovery over a period of days to months. The suspected diagnosis of a hereditary neuropathy with liability to pressure palsies was confirmed by the histology of a suralis nerve biopsy, which showed a distinct tomaculous swelling of the myelin. Nine years ago he noticed an acute, distally pronounced palsy of the right arm. A brachial plexus lesion was diagnosed. His profession required written work, thereby forcing him to compensate this weakness by increasign the coactivation of the elbow and upper arm. This coactivation persisted even after complete recovery from the plexus palsy. Thus, the patient showed the typical feature of classcal writer's cramp, with broad coactivation of the arm muscles, which has continued to the present. At the same time, however, the patient was able to perform other motoric tasks well, such as painting. After several practice sessions with a special program that makes use of preserved motor abilities to reestablish writing, the patient was again able to write with a normal kinematic profile as documented by the recorded handwriting. This suggests that the “writer's cramp” of our patient is one form of task‐related dystonia that may be related more to the perserveration of a misleading motor strategy than to a general inability of the motor system to control the movement properly.</div></front></TEI><affiliations><list><country><li>Allemagne</li></country><region><li>Bavière</li><li>District de Haute-Bavière</li></region><settlement><li>Munich</li></settlement></list><tree><country name="Allemagne"><region name="Bavière"><name sortKey="Straube" sort="Straube" uniqKey="Straube" last="Straube">Straube</name></region><name sortKey="Mai, Norbert" sort="Mai, Norbert" uniqKey="Mai N" first="Norbert" last="Mai">Norbert Mai</name><name sortKey="Mayer, Michael" sort="Mayer, Michael" uniqKey="Mayer M" first="Michael" last="Mayer">Michael Mayer</name><name sortKey="Walther, Ernst" sort="Walther, Ernst" uniqKey="Walther E" first="Ernst" last="Walther">Ernst Walther</name></country></tree></affiliations></record>Pour manipuler ce document sous Unix (Dilib)
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