References of "WANG, François-Charles"
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See detailSymmetry of neurography
WANG, François-Charles ULg; Horward, A.

Poster (2002)

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See detailSingle motor axon conduction velocities of human upper and lower limb motor units. A study with transcranial electrical stimulation
Dalpozzo, Francesca; GERARD, Pascale ULg; De Pasqua, Victor ULg et al

in Clinical Neurophysiology (2002), 113(2), 284-291

OBJECTIVES: To calculate conduction velocities (CV) of single motor axons innervating hand, forearm and leg muscles, weak anodal electrical transcranial stimuli were used and single motor unit potentials ... [more ▼]

OBJECTIVES: To calculate conduction velocities (CV) of single motor axons innervating hand, forearm and leg muscles, weak anodal electrical transcranial stimuli were used and single motor unit potentials were recorded in 17 normal subjects. METHODS: The central motor conduction time and neuromuscular transmission delay were subtracted from the latency of unit response to cortical stimulation and single motor axon CV were calculated. RESULTS: In extensor indicis proprius (EIP) units, CV ranged from 30.3 to 76.1m/s (mean: 51.3 +/- 7.1m/s, 139 units). In first dorsal interosseous (FDI), they ranged from 45.1 to 66.2m/s (mean: 54.6 +/- 2.6m/s, 88 units). In tibialis anterior (TA), velocities ranged from 27.8 to 55.9m/s (mean: 41.3 +/- 7.5m/s, 123 units). In FDI units, velocities were compared with those obtained with the F-wave method (range: 50.3-64.5m/s, mean: 58.1 +/- 2.0m/s). CONCLUSIONS: Compared with previously published values, the present method gives better access to slow-conducting units, first recruited by transcranial stimulation and voluntary effort. The spectrum of individual CV was much broader for EIP and TA than for FDI. A linear decline of maximal CV with age was observed, while minimal CV were not affected, suggesting that aging causes a selective loss of the fastest-conducting units. [less ▲]

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See detailChanges in motor unit numbers in patients with ALS: a longitudinal study using the adapted multiple point stimulation method.
Wang, François-Charles ULg; Bouquiaux, Olivier ULg; De Pasqua, Victor ULg et al

in Amyotrophic Lateral Sclerosis & Other Motor Neuron Disorders (2002), 3(1), 31-8

METHOD: The adapted multiple point stimulation (AMPS) method for calculating motor unit numbers (MUNE) was applied in 12 patients with amyotrophic lateral sclerosis (ALS) before riluzole therapy (T(0 ... [more ▼]

METHOD: The adapted multiple point stimulation (AMPS) method for calculating motor unit numbers (MUNE) was applied in 12 patients with amyotrophic lateral sclerosis (ALS) before riluzole therapy (T(0)) and again after 4, 8 and 12 months of treatment. RESULTS: Paired Student's t-test indicated a significant decrease of thenar MUNE and compound muscle action potential (CMAP) size at each 4-monthly interval, while average surface motor unit potential (SMUP) size did not change significantly over time. The rate of motor unit (MU) loss at month 4 was more than 20% in six patients (group 1) and less than 20% in six other patients (group 2). Comparison of groups 1 and 2 by Mann-Whitney U-testing indicated that percent changes in thenar MUNE and CMAP size compared to baseline were significantly different at months 4, 8 and 12, while no difference between the two groups was found for average SMUP size variations. In the group with a slow rate of MU loss, CMAP size remained stable, while in the group with a rapid rate of MU loss, there was a dramatic reduction in size of the CMAP. A positive correlation was found between percent change in thenar MUNE at T(4) and at T(12) (P < 0.001). CONCLUSION: AMPS is a useful technique to document MUNE, SMUP size and CMAP size changes over time in patients with ALS. [less ▲]

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See detailCas clinique
WANG, François-Charles ULg

Scientific conference (2001, May 19)

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See detailLes Neuropathies Canalaires : mise au point
MAERTENS DE NOORDHOUT, Alain ULg; WANG, François-Charles ULg

Scientific conference (2001, March)

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See detailCas clinique
WANG, François-Charles ULg; DIVE, Dominique ULg

Conference (2001, January 27)

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See detailLes Neuropathies Dysimmunitaires
Maertens de Noordhout, Alain ULg; WANG, François-Charles ULg

Scientific conference (2001, January 13)

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See detailMyosite focale du jambier antérieur dans le cadre d’une radiculopathie par hernie discale L4-L5 : discussion d’un cas clinique
TOMASELLA, Marco ULg; Zeevaert, Bernard; WANG, François-Charles ULg

Conference (2001)

Nous rapportons l’observation d’un patient qui brusquement voit s’installer une parésie des releveurs du pied droit. L’hypothèse d’une hernie discale est confirmée par une étude TDM révélant un prolapsus ... [more ▼]

Nous rapportons l’observation d’un patient qui brusquement voit s’installer une parésie des releveurs du pied droit. L’hypothèse d’une hernie discale est confirmée par une étude TDM révélant un prolapsus discal postéro-latéral droit en L4-L5 comprimant la racine L5 droite. L’étude EMG met en évidence une importante activité de dénervation sub-aiguë au niveau du muscle jambier antérieur droit. L’IRM et le scanner de la jambe écartent une pathologie tumorale osseuse, musculaire ou nerveuse. Par contre, ces examens démontrent un œdème intra-musculaire ciblé sur le tiers proximal de la loge antéro-externe de la jambe droite. Le diagnostic différentiel d’une dystrophie musculaire pouvait être discuté. Nous l’avons écarté à la lumière des explorations complémentaires. Par similitudes avec les données de la littérature (1,2) concernant la description d’un gonflement inflammatoire du mollet dans les suites d’une radiculopathie à topographie S1, nous avons retenu le diagnostic de myosite focale du jambier antérieur sur radiculopathie L5. L’instauration d’un traitement de dérivés cortisonés per os s’est avérée très efficace sur la récupération fonctionnelle des releveurs du pied. (1) R. Gobbelé et all. S-1 radiculopathy as possible predisposing factor in focal myositis with unilateral hypertrophy of the calf muscles. J. of the Neurological Sciences . 1999 ;170 :64-68 (2) D. Heuss et all. Muscle hypertrophy due to scarring of the S1 nerve root. Neurological Research. 2000 ; 22 : 469-472 [less ▲]

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See detailPrognostic value of decremental responses to repetitive nerve stimulation in ALS patients.
Wang, François-Charles ULg; De Pasqua, Victor ULg; Gerard, Pascale ULg et al

in Neurology (2001), 57(5), 897-9

Decrement of the thenar compound muscle action potentials (CMAP), after repetitive nerve stimulation (RNS) of the median nerve at 3 Hz, was evaluated in patients with ALS before riluzole therapy. CMAP ... [more ▼]

Decrement of the thenar compound muscle action potentials (CMAP), after repetitive nerve stimulation (RNS) of the median nerve at 3 Hz, was evaluated in patients with ALS before riluzole therapy. CMAP size as well as motor unit number and size estimates were evaluated twice before and after 1 year of riluzole therapy. The correlation between decrement and CMAP size reduction per year was highly significant (r = 0.77), but no relationship could be demonstrated between decrement and other variables. The authors thus propose that decrement after RNS may be used as a predictor of further drop in CMAP size. [less ▲]

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See detailNeuropathies canalaires et micro--traumatiques liees a la pratique sportive.
Wang, François-Charles ULg; Crielaard, Jean-Michel ULg

in Revue Médicale de Liège (2001), 56(5), 382-90

The more frequent entrapment neuropathies related to sport are described: thoracic outlet syndrome in aquatic athletes and pitchers, long thoracic neuropathy in tennis players, suprascapular neuropathy in ... [more ▼]

The more frequent entrapment neuropathies related to sport are described: thoracic outlet syndrome in aquatic athletes and pitchers, long thoracic neuropathy in tennis players, suprascapular neuropathy in volleyball and tennis players, ulnar nerve entrapment at the elbow in pitchers and at the wrist in cyclists, Morton's syndrome in runners and dancers. [less ▲]

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See detailMultifocal motor and sensory neuropathy following whiplash injury
DIVE, Dominique ULg; NOEZ, Stéphanie ULg; ISERENTANT, Cynthia ULg et al

in Journal of Neurology (2001)

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See detailAMPS in patients with ALS
WANG, François-Charles ULg

Conference (2001)

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