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Psychogenic Tremor : Long Term Prognosis in Patients with Electrophysiologically-Confirmed Disease

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Psychogenic Tremor : Long Term Prognosis in Patients with Electrophysiologically-Confirmed Disease

Auteurs : Andrew Mckeon [États-Unis] ; J. Eric Ahlskog [États-Unis] ; James H. Bower [États-Unis] ; Keith A. Josephs [États-Unis] ; Joseph Y. Matsumoto [États-Unis]

Source :

Movement disorders [ 0885-3185 ] ; 2009.

RBID : Pascal:09-0094112

Descripteurs français

Pascal (Inist)
- Tremblement, Pathologie du système nerveux, Psychogène, Long terme, Pronostic, Homme, Neurophysiologie.
Wicri :
- topic : Homme.

English descriptors

KwdEn :
- Human, Long term, Nervous system diseases, Neurophysiology, Prognosis, Psychogenic, Tremor.

Abstract

We describe the presenting features and long-term outcomes of patients with electrophysiologically-confirmed psychogenic tremor. Clinical information for all patients with psychogenic tremor confirmed by our Movement Disorders Neurophysiology Laboratory (2003-2004) was reviewed. A follow-up questionnaire was administered to all included patients in 2007. Psychogenic tremor was documented in 62 patients; 33 responded to the questionnaire (53%). Median onset-age was 50 years (range, 15-71); 23 were female (70%). Clinical certainty of psychogenic etiology was: definite, 8 (24%); probable, 16 (49%), and possible, 9 (27%). Characteristic electrodiagnostic features of psychogenic tremor were documented in all. All but two patients were ultimately given a definite diagnosis of psychogenic tremor; recommended psychiatric consultation was only done by 12 (36%). Twenty-one patients (64%) rated tremor disability as moderate or severe after a median follow-up of 5.1 years (range, 3.3-19). Improvement occurred spontaneously in 5 (15%), and after a specific intervention in 4 (12%), whereas 3 (9%) had mild but unchanged symptoms. The mean duration of symptoms, prior to diagnosis with psychogenic tremor, was significantly shorter for patients with mild or no tremor at follow-up (P = 0.037). Physiologically-confirmed psychogenic tremor carries a poor prognosis, with unremitting or worse tremor persisting 3-years after diagnosis in most.

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Pascal:09-0094112

Le document en format XML

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<front><div type="abstract" xml:lang="en">We describe the presenting features and long-term outcomes of patients with electrophysiologically-confirmed psychogenic tremor. Clinical information for all patients with psychogenic tremor confirmed by our Movement Disorders Neurophysiology Laboratory (2003-2004) was reviewed. A follow-up questionnaire was administered to all included patients in 2007. Psychogenic tremor was documented in 62 patients; 33 responded to the questionnaire (53%). Median onset-age was 50 years (range, 15-71); 23 were female (70%). Clinical certainty of psychogenic etiology was: definite, 8 (24%); probable, 16 (49%), and possible, 9 (27%). Characteristic electrodiagnostic features of psychogenic tremor were documented in all. All but two patients were ultimately given a definite diagnosis of psychogenic tremor; recommended psychiatric consultation was only done by 12 (36%). Twenty-one patients (64%) rated tremor disability as moderate or severe after a median follow-up of 5.1 years (range, 3.3-19). Improvement occurred spontaneously in 5 (15%), and after a specific intervention in 4 (12%), whereas 3 (9%) had mild but unchanged symptoms. The mean duration of symptoms, prior to diagnosis with psychogenic tremor, was significantly shorter for patients with mild or no tremor at follow-up (P = 0.037). Physiologically-confirmed psychogenic tremor carries a poor prognosis, with unremitting or worse tremor persisting 3-years after diagnosis in most.</div>
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	Movement Disorders (revue)
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Movement Disorders (revue)

Psychogenic Tremor : Long Term Prognosis in Patients with Electrophysiologically-Confirmed Disease

Psychogenic Tremor : Long Term Prognosis in Patients with Electrophysiologically-Confirmed Disease

Source :

Descripteurs français

English descriptors

Abstract

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

Links to Exploration step

Le document en format XML

Pour manipuler ce document sous Unix (Dilib)

Pour mettre un lien sur cette page dans le réseau Wicri