Publications by authors named "Willem-Johan T van de Beek"

An association between HLA-DR13 and patients with complex regional pain syndrome (CRPS) who progressed towards multifocal or generalized tonic dystonia was recently reported. We now report on a new locus, centromeric in HLA-class I, which was significantly associated with a spontaneous development of CRPS, suggesting an interaction between trauma severity and genetic factors conferring CRPS susceptibility. Additionally, an association with the D6S1014 locus was found, supporting the previous finding of an association with HLA-DR13.

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Reflex sympathetic dystrophy (RSD) is a syndrome dominated by sensory, autonomic, and motor features of the extremities. In this study, 10 severely affected RSD patients who progressed to multifocal or generalized tonic dystonia underwent H-reflex evaluation, needle electromyography (EMG), polysomnography, somatosensory evoked potentials, and transcranial magnetic stimulation. H-reflex evaluation revealed an impaired vibratory inhibition of the H-reflex and a higher facilitation peak in the recovery curve between 200 to 350 msec.

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