Chewing pattern in patients with Meige's syndrome.
Identifieur interne : 001014 ( Ncbi/Curation ); précédent : 001013; suivant : 001015Chewing pattern in patients with Meige's syndrome.
Auteurs : Marcello M. Mascia [Italie] ; Josep Valls-Solé ; Maria J. Martí ; Sergio SanzSource :
- Movement disorders : official journal of the Movement Disorder Society [ 0885-3185 ] ; 2005.
English descriptors
- KwdEn :
- Aged, Aged, 80 and over, Analysis of Variance, Case-Control Studies, Deglutition (physiology), Electromyography (methods), Female, Humans, Male, Masseter Muscle (physiopathology), Mastication (physiology), Meigs Syndrome (physiopathology), Oculomotor Muscles (physiopathology), Reaction Time (physiology), Time Factors.
- MESH :
- methods : Electromyography.
- physiology : Deglutition, Mastication, Reaction Time.
- physiopathology : Masseter Muscle, Meigs Syndrome, Oculomotor Muscles.
- Aged, Aged, 80 and over, Analysis of Variance, Case-Control Studies, Female, Humans, Male, Time Factors.
Abstract
Meige's syndrome presents with a combination of upper and lower facial motor dysfunction, including eye closing spasms and oromandibular dystonia. While the pathophysiology of eye closing spasms has been extensively studied using the blink reflex and other trigeminofacial reflexes, very few studies have been carried out with regard to the abnormal perioral movements. We hypothesized that action-related dystonic features could be revealed by the analysis of the semiautomatic rhythmic movements required for chewing and swallowing. A total of 7 patients with Meige's syndrome that complained of chewing problems and 7 age-matched healthy volunteers were studied. Subjects were instructed to munch and swallow a small muffin while surface electromyographic (EMG) activity of masseter (MAS) and orbicularis oris (OOr) of the dominant side was recorded. In healthy subjects, MAS and OOr showed a rhythmic alternating phasic EMG pattern during chewing, which changed to a tonic cocontraction of both muscles during swallowing. Mean duration of MAS and OOr EMG bursts was, respectively, 297 +/- 28 msec and 328 +/- 29 msec. Patients exhibited the following alterations: excess duration of muscle activity, frequent cocontraction, loss of rhythmicity during chewing, and abnormalities in the chewing to swallowing transition phase. These abnormalities, similar in type to those encountered in other forms of focal dystonia, may be the expression of an abnormal motor control of basal ganglia over mastication-related movement pattern generators of the brainstem.
DOI: 10.1002/mds.20272
PubMed: 15390039
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<record><TEI><teiHeader><fileDesc><titleStmt><title xml:lang="en">Chewing pattern in patients with Meige's syndrome.</title><author><name sortKey="Mascia, Marcello M" sort="Mascia, Marcello M" uniqKey="Mascia M" first="Marcello M" last="Mascia">Marcello M. Mascia</name><affiliation wicri:level="1"><nlm:affiliation>Istituto di Neurologia, Ospedale San Giovanni di Dio, Cagliari, Italy.</nlm:affiliation><country xml:lang="fr">Italie</country><wicri:regionArea>Istituto di Neurologia, Ospedale San Giovanni di Dio, Cagliari</wicri:regionArea><wicri:noRegion>Cagliari</wicri:noRegion></affiliation></author><author><name sortKey="Valls Sole, Josep" sort="Valls Sole, Josep" uniqKey="Valls Sole J" first="Josep" last="Valls-Solé">Josep Valls-Solé</name></author><author><name sortKey="Marti, Maria J" sort="Marti, Maria J" uniqKey="Marti M" first="Maria J" last="Martí">Maria J. Martí</name></author><author><name sortKey="Sanz, Sergio" sort="Sanz, Sergio" uniqKey="Sanz S" first="Sergio" last="Sanz">Sergio Sanz</name></author></titleStmt><publicationStmt><idno type="wicri:source">PubMed</idno><date when="2005">2005</date><idno type="RBID">pubmed:15390039</idno><idno type="pmid">15390039</idno><idno type="doi">10.1002/mds.20272</idno><idno type="wicri:Area/PubMed/Corpus">003274</idno><idno type="wicri:Area/PubMed/Curation">003274</idno><idno type="wicri:Area/PubMed/Checkpoint">003198</idno><idno type="wicri:Area/Ncbi/Merge">001014</idno><idno type="wicri:Area/Ncbi/Curation">001014</idno></publicationStmt><sourceDesc><biblStruct><analytic><title xml:lang="en">Chewing pattern in patients with Meige's syndrome.</title><author><name sortKey="Mascia, Marcello M" sort="Mascia, Marcello M" uniqKey="Mascia M" first="Marcello M" last="Mascia">Marcello M. Mascia</name><affiliation wicri:level="1"><nlm:affiliation>Istituto di Neurologia, Ospedale San Giovanni di Dio, Cagliari, Italy.</nlm:affiliation><country xml:lang="fr">Italie</country><wicri:regionArea>Istituto di Neurologia, Ospedale San Giovanni di Dio, Cagliari</wicri:regionArea><wicri:noRegion>Cagliari</wicri:noRegion></affiliation></author><author><name sortKey="Valls Sole, Josep" sort="Valls Sole, Josep" uniqKey="Valls Sole J" first="Josep" last="Valls-Solé">Josep Valls-Solé</name></author><author><name sortKey="Marti, Maria J" sort="Marti, Maria J" uniqKey="Marti M" first="Maria J" last="Martí">Maria J. Martí</name></author><author><name sortKey="Sanz, Sergio" sort="Sanz, Sergio" uniqKey="Sanz S" first="Sergio" last="Sanz">Sergio Sanz</name></author></analytic><series><title level="j">Movement disorders : official journal of the Movement Disorder Society</title><idno type="ISSN">0885-3185</idno><imprint><date when="2005" type="published">2005</date></imprint></series></biblStruct></sourceDesc></fileDesc><profileDesc><textClass><keywords scheme="KwdEn" xml:lang="en"><term>Aged</term><term>Aged, 80 and over</term><term>Analysis of Variance</term><term>Case-Control Studies</term><term>Deglutition (physiology)</term><term>Electromyography (methods)</term><term>Female</term><term>Humans</term><term>Male</term><term>Masseter Muscle (physiopathology)</term><term>Mastication (physiology)</term><term>Meigs Syndrome (physiopathology)</term><term>Oculomotor Muscles (physiopathology)</term><term>Reaction Time (physiology)</term><term>Time Factors</term></keywords><keywords scheme="MESH" qualifier="methods" xml:lang="en"><term>Electromyography</term></keywords><keywords scheme="MESH" qualifier="physiology" xml:lang="en"><term>Deglutition</term><term>Mastication</term><term>Reaction Time</term></keywords><keywords scheme="MESH" qualifier="physiopathology" xml:lang="en"><term>Masseter Muscle</term><term>Meigs Syndrome</term><term>Oculomotor Muscles</term></keywords><keywords scheme="MESH" xml:lang="en"><term>Aged</term><term>Aged, 80 and over</term><term>Analysis of Variance</term><term>Case-Control Studies</term><term>Female</term><term>Humans</term><term>Male</term><term>Time Factors</term></keywords></textClass></profileDesc></teiHeader><front><div type="abstract" xml:lang="en">Meige's syndrome presents with a combination of upper and lower facial motor dysfunction, including eye closing spasms and oromandibular dystonia. While the pathophysiology of eye closing spasms has been extensively studied using the blink reflex and other trigeminofacial reflexes, very few studies have been carried out with regard to the abnormal perioral movements. We hypothesized that action-related dystonic features could be revealed by the analysis of the semiautomatic rhythmic movements required for chewing and swallowing. A total of 7 patients with Meige's syndrome that complained of chewing problems and 7 age-matched healthy volunteers were studied. Subjects were instructed to munch and swallow a small muffin while surface electromyographic (EMG) activity of masseter (MAS) and orbicularis oris (OOr) of the dominant side was recorded. In healthy subjects, MAS and OOr showed a rhythmic alternating phasic EMG pattern during chewing, which changed to a tonic cocontraction of both muscles during swallowing. Mean duration of MAS and OOr EMG bursts was, respectively, 297 +/- 28 msec and 328 +/- 29 msec. Patients exhibited the following alterations: excess duration of muscle activity, frequent cocontraction, loss of rhythmicity during chewing, and abnormalities in the chewing to swallowing transition phase. These abnormalities, similar in type to those encountered in other forms of focal dystonia, may be the expression of an abnormal motor control of basal ganglia over mastication-related movement pattern generators of the brainstem.</div></front></TEI></record>Pour manipuler ce document sous Unix (Dilib)
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