MovDisordV3, Main, Exploration, bibRecord, 001106

Glucose Hypermetabolism in the Thalamus of Patients with Hemifacial Spasm

Identifieur interne : 001106 ( Main/Exploration ); précédent : 001105; suivant : 001107

Glucose Hypermetabolism in the Thalamus of Patients with Hemifacial Spasm

Auteurs : Megumi Shimizu [Japon] ; Yukihisa Suzuki [Japon] ; Motohiro Kiyosawa [Japon] ; Masato Wakakura [Japon] ; Kenji Ishii [Japon] ; Kiichi Ishiwata [Japon] ; Manabu Mochizuki [Japon]

Source :

Movement disorders [ 0885-3185 ] ; 2012.

RBID : Pascal:12-0183702

Descripteurs français

Pascal (Inist)
- Hémispasme facial, Pathologie du système nerveux, Glucose, Thalamus, Homme, Encéphale, Métabolisme, Tomoscintigraphie, Tomographie par émission de positons.
Wicri :
- topic : Glucose, Homme.

English descriptors

KwdEn :
- Emission tomography, Encephalon, Glucose, Hemifacial spasm, Human, Metabolism, Nervous system diseases, Positron emission tomography, Thalamus.

Abstract

The purpose of this study was investigate functional alteration in the brains of patients with hemifacial spasm using positron emission tomography (PET). We studied cerebral glucose metabolism using PET with ¹⁸F-fluorodeoxyglucose in 13 patients with right lateral hemifacial spasm and 13 with left lateral hemifacial spasm. All patients underwent 2 PET scans before treatment (active state) and after treatment (suppressive state) with the botulinum neurotoxin type A. At the time of the PET scans, the severity of the spasm was rated according to the Jankovic Disability Rating Scale. We also used magnetic resonance imaging to evaluate the grade of neurovascular compression in each patient using scores of 1 to 3 (1 = mild, 3 = severe). Fifty-two normal volunteers were examined as controls. Compared with controls, patients with right and left hemifacial spasm showed bilateral cerebral glucose hypermetabolism in the thalamus in both the active and suppressive states. However, thalamic glucose metabolism after the suppressive state was significantly reduced compared with that in the active state using region of interest analysis. There was a positive correlation between the severity of the spasm in the active state and the score of neurovascular compression (rs = 0.65) that was estimated using Spearman order correlation coefficient. We observed bilateral cerebral glucose hypermetabolism in the thalamus of patients with hemifacial spasm. The thalamic glucose hypermetabolism may be attributed to multiple sources, including afferent input from the skin and muscle spindle, antidromic conduction of the facial nerve, and secondary alteration in the central nervous system.

Affiliations:

Japon
Tokyo

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Le document en format XML

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<series><title level="j" type="main">Movement disorders</title>
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<profileDesc><textClass><keywords scheme="KwdEn" xml:lang="en"><term>Emission tomography</term>
<term>Encephalon</term>
<term>Glucose</term>
<term>Hemifacial spasm</term>
<term>Human</term>
<term>Metabolism</term>
<term>Nervous system diseases</term>
<term>Positron emission tomography</term>
<term>Thalamus</term>
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<term>Pathologie du   système nerveux</term>
<term>Glucose</term>
<term>Thalamus</term>
<term>Homme</term>
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<term>Métabolisme</term>
<term>Tomoscintigraphie</term>
<term>Tomographie par émission de positons</term>
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<front><div type="abstract" xml:lang="en">The purpose of this study was investigate functional alteration in the brains of patients with hemifacial spasm using positron emission tomography (PET). We studied cerebral glucose metabolism using PET with <sup>18</sup>
F-fluorodeoxyglucose in 13 patients with right lateral hemifacial spasm and 13 with left lateral hemifacial spasm. All patients underwent 2 PET scans before treatment (active state) and after treatment (suppressive state) with the botulinum neurotoxin type A. At the time of the PET scans, the severity of the spasm was rated according to the Jankovic Disability Rating Scale. We also used magnetic resonance imaging to evaluate the grade of neurovascular compression in each patient using scores of 1 to 3 (1 = mild, 3 = severe). Fifty-two normal volunteers were examined as controls. Compared with controls, patients with right and left hemifacial spasm showed bilateral cerebral glucose hypermetabolism in the thalamus in both the active and suppressive states. However, thalamic glucose metabolism after the suppressive state was significantly reduced compared with that in the active state using region of interest analysis. There was a positive correlation between the severity of the spasm in the active state and the score of neurovascular compression (rs = 0.65) that was estimated using Spearman order correlation coefficient. We observed bilateral cerebral glucose hypermetabolism in the thalamus of patients with hemifacial spasm. The thalamic glucose hypermetabolism may be attributed to multiple sources, including afferent input from the skin and muscle spindle, antidromic conduction of the facial nerve, and secondary alteration in the central nervous system.</div>
</front>
</TEI>
<affiliations><list><country><li>Japon</li>
</country>
<settlement><li>Tokyo</li>
</settlement>
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<tree><country name="Japon"><noRegion><name sortKey="Shimizu, Megumi" sort="Shimizu, Megumi" uniqKey="Shimizu M" first="Megumi" last="Shimizu">Megumi Shimizu</name>
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<name sortKey="Ishii, Kenji" sort="Ishii, Kenji" uniqKey="Ishii K" first="Kenji" last="Ishii">Kenji Ishii</name>
<name sortKey="Ishiwata, Kiichi" sort="Ishiwata, Kiichi" uniqKey="Ishiwata K" first="Kiichi" last="Ishiwata">Kiichi Ishiwata</name>
<name sortKey="Kiyosawa, Motohiro" sort="Kiyosawa, Motohiro" uniqKey="Kiyosawa M" first="Motohiro" last="Kiyosawa">Motohiro Kiyosawa</name>
<name sortKey="Kiyosawa, Motohiro" sort="Kiyosawa, Motohiro" uniqKey="Kiyosawa M" first="Motohiro" last="Kiyosawa">Motohiro Kiyosawa</name>
<name sortKey="Mochizuki, Manabu" sort="Mochizuki, Manabu" uniqKey="Mochizuki M" first="Manabu" last="Mochizuki">Manabu Mochizuki</name>
<name sortKey="Shimizu, Megumi" sort="Shimizu, Megumi" uniqKey="Shimizu M" first="Megumi" last="Shimizu">Megumi Shimizu</name>
<name sortKey="Suzuki, Yukihisa" sort="Suzuki, Yukihisa" uniqKey="Suzuki Y" first="Yukihisa" last="Suzuki">Yukihisa Suzuki</name>
<name sortKey="Suzuki, Yukihisa" sort="Suzuki, Yukihisa" uniqKey="Suzuki Y" first="Yukihisa" last="Suzuki">Yukihisa Suzuki</name>
<name sortKey="Wakakura, Masato" sort="Wakakura, Masato" uniqKey="Wakakura M" first="Masato" last="Wakakura">Masato Wakakura</name>
</country>
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</affiliations>
</record>

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	Movement Disorders (revue)
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Movement Disorders (revue)

Glucose Hypermetabolism in the Thalamus of Patients with Hemifacial Spasm

Glucose Hypermetabolism in the Thalamus of Patients with Hemifacial Spasm

Source :

Descripteurs français

English descriptors

Abstract

Links toward previous steps (curation, corpus...)

Le document en format XML

Pour manipuler ce document sous Unix (Dilib)

Pour mettre un lien sur cette page dans le réseau Wicri