Peripherally induced oromandibular dystonia
Identifieur interne : 002451 ( Pmc/Corpus ); précédent : 002450; suivant : 002452Peripherally induced oromandibular dystonia
Auteurs : C. Sankhla ; E. Lai ; J. JankovicSource :
- Journal of Neurology, Neurosurgery, and Psychiatry [ 0022-3050 ] ; 1998.
Abstract
Url:
PubMed: 9810945
PubMed Central: 2170345
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PMC:2170345Le document en format XML
<record><TEI><teiHeader><fileDesc><titleStmt><title xml:lang="en">Peripherally induced oromandibular dystonia</title>
<author><name sortKey="Sankhla, C" sort="Sankhla, C" uniqKey="Sankhla C" first="C." last="Sankhla">C. Sankhla</name>
</author>
<author><name sortKey="Lai, E" sort="Lai, E" uniqKey="Lai E" first="E." last="Lai">E. Lai</name>
</author>
<author><name sortKey="Jankovic, J" sort="Jankovic, J" uniqKey="Jankovic J" first="J." last="Jankovic">J. Jankovic</name>
</author>
</titleStmt>
<publicationStmt><idno type="wicri:source">PMC</idno>
<idno type="pmid">9810945</idno>
<idno type="pmc">2170345</idno>
<idno type="url">http://www.ncbi.nlm.nih.gov/pmc/articles/PMC2170345</idno>
<idno type="RBID">PMC:2170345</idno>
<date when="1998">1998</date>
<idno type="wicri:Area/Pmc/Corpus">002451</idno>
<idno type="wicri:explorRef" wicri:stream="Pmc" wicri:step="Corpus" wicri:corpus="PMC">002451</idno>
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<sourceDesc><biblStruct><analytic><title xml:lang="en" level="a" type="main">Peripherally induced oromandibular dystonia</title>
<author><name sortKey="Sankhla, C" sort="Sankhla, C" uniqKey="Sankhla C" first="C." last="Sankhla">C. Sankhla</name>
</author>
<author><name sortKey="Lai, E" sort="Lai, E" uniqKey="Lai E" first="E." last="Lai">E. Lai</name>
</author>
<author><name sortKey="Jankovic, J" sort="Jankovic, J" uniqKey="Jankovic J" first="J." last="Jankovic">J. Jankovic</name>
</author>
</analytic>
<series><title level="j">Journal of Neurology, Neurosurgery, and Psychiatry</title>
<idno type="ISSN">0022-3050</idno>
<idno type="eISSN">1468-330X</idno>
<imprint><date when="1998">1998</date>
</imprint>
</series>
</biblStruct>
</sourceDesc>
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<profileDesc><textClass></textClass>
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<front><div type="abstract" xml:lang="en"><p><italic>OBJECTIVES</italic>
—Oromandibular dystonia (OMD) is a
focal dystonia manifested by involuntary muscle contractions producing
repetitive, patterned mouth, jaw, and tongue movements. Dystonia is
usually idiopathic (primary), but in some cases it follows peripheral
injury. Peripherally induced cervical and limb dystonia is well
recognised, and the aim of this study was to characterise peripherally
induced OMD.
<italic>METHODS</italic>
—The following inclusion criteria were used
for peripherally induced OMD: (1) the onset of the dystonia was within
a few days or months (up to 1 year) after the injury; (2) the trauma
was well documented by the patient's history or a review of their medical and dental records; and (3) the onset of dystonia was anatomically related to the site of injury (facial and oral).
<italic>RESULTS</italic>
—Twenty seven patients were
identified in the database with OMD, temporally and anatomically
related to prior injury or surgery. No additional precipitant other
than trauma could be detected. None of the patients had any litigation
pending. The mean age at onset was 50.11 (SD 14.15) (range 23-74)
years and there was a 2:1 female preponderance. Mean latency between
the initial trauma and the onset of OMD was 65 days (range 1 day-1
year). Ten (37%) patients had some evidence of predisposing factors
such as family history of movement disorders, prior exposure to
neuroleptic drugs, and associated dystonia affecting other regions or
essential tremor. When compared with 21 patients with primary OMD,
there was no difference for age at onset, female preponderance, and
phenomenology. The frequency of dystonic writer's cramp, spasmodic
dysphonia, bruxism, essential tremor, and family history of movement
disorder, however, was lower in the post-traumatic group (p<0.05). In
both groups the response to botulinum toxin treatment was superior to
medical therapy (p<0.005). Surgical intervention for
temporomandibular disorders was more frequent in the post-traumatic
group and was associated with worsening of dystonia.
<italic>CONCLUSION</italic>
—The study indicates that
oromandibular-facial trauma, including dental procedures, may
precipitate the onset of OMD, especially in predisposed people. Prompt
recognition and treatment may prevent further complications.
</p>
</div>
</front>
</TEI>
<pmc article-type="research-article"><pmc-comment>The publisher of this article does not allow downloading of the full text in XML form.</pmc-comment>
<front><journal-meta><journal-id journal-id-type="nlm-ta">J Neurol Neurosurg Psychiatry</journal-id>
<journal-title>Journal of Neurology, Neurosurgery, and Psychiatry</journal-title>
<issn pub-type="ppub">0022-3050</issn>
<issn pub-type="epub">1468-330X</issn>
<publisher><publisher-name>BMJ Group</publisher-name>
</publisher>
</journal-meta>
<article-meta><article-id pub-id-type="pmid">9810945</article-id>
<article-id pub-id-type="pmc">2170345</article-id>
<article-categories><subj-group subj-group-type="heading"><subject>Papers</subject>
</subj-group>
</article-categories>
<title-group><article-title>Peripherally induced oromandibular dystonia</article-title>
</title-group>
<contrib-group><contrib contrib-type="author"><name><surname>Sankhla</surname>
<given-names>C.</given-names>
</name>
</contrib>
<contrib contrib-type="author"><name><surname>Lai</surname>
<given-names>E.</given-names>
</name>
</contrib>
<contrib contrib-type="author"><name><surname>Jankovic</surname>
<given-names>J.</given-names>
</name>
</contrib>
</contrib-group>
<aff>Movement Disorders Clinic, Department of Neurology, Baylor College of Medicine, Houston, Texas 77030-3498, USA.</aff>
<pub-date pub-type="ppub"><month>11</month>
<year>1998</year>
</pub-date>
<volume>65</volume>
<issue>5</issue>
<fpage>722</fpage>
<lpage>728</lpage>
<self-uri xlink:role="pdf" xlink:type="simple" xlink:href="http://jnnp.bmj.com/cgi/reprint/65/5/722.pdf"></self-uri>
<self-uri xlink:role="abstract" xlink:type="simple" xlink:href="http://jnnp.bmj.com/cgi/content/abstract/65/5/722"></self-uri>
<self-uri xlink:role="fulltext" xlink:type="simple" xlink:href="http://jnnp.bmj.com/cgi/content/full/65/5/722"></self-uri>
<abstract><p><italic>OBJECTIVES</italic>
—Oromandibular dystonia (OMD) is a
focal dystonia manifested by involuntary muscle contractions producing
repetitive, patterned mouth, jaw, and tongue movements. Dystonia is
usually idiopathic (primary), but in some cases it follows peripheral
injury. Peripherally induced cervical and limb dystonia is well
recognised, and the aim of this study was to characterise peripherally
induced OMD.
<italic>METHODS</italic>
—The following inclusion criteria were used
for peripherally induced OMD: (1) the onset of the dystonia was within
a few days or months (up to 1 year) after the injury; (2) the trauma
was well documented by the patient's history or a review of their medical and dental records; and (3) the onset of dystonia was anatomically related to the site of injury (facial and oral).
<italic>RESULTS</italic>
—Twenty seven patients were
identified in the database with OMD, temporally and anatomically
related to prior injury or surgery. No additional precipitant other
than trauma could be detected. None of the patients had any litigation
pending. The mean age at onset was 50.11 (SD 14.15) (range 23-74)
years and there was a 2:1 female preponderance. Mean latency between
the initial trauma and the onset of OMD was 65 days (range 1 day-1
year). Ten (37%) patients had some evidence of predisposing factors
such as family history of movement disorders, prior exposure to
neuroleptic drugs, and associated dystonia affecting other regions or
essential tremor. When compared with 21 patients with primary OMD,
there was no difference for age at onset, female preponderance, and
phenomenology. The frequency of dystonic writer's cramp, spasmodic
dysphonia, bruxism, essential tremor, and family history of movement
disorder, however, was lower in the post-traumatic group (p<0.05). In
both groups the response to botulinum toxin treatment was superior to
medical therapy (p<0.005). Surgical intervention for
temporomandibular disorders was more frequent in the post-traumatic
group and was associated with worsening of dystonia.
<italic>CONCLUSION</italic>
—The study indicates that
oromandibular-facial trauma, including dental procedures, may
precipitate the onset of OMD, especially in predisposed people. Prompt
recognition and treatment may prevent further complications.
</p>
</abstract>
</article-meta>
</front>
</pmc>
</record>
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