Course in Parkinson disease subtypes
- 21 July 2009
- journal article
- research article
- Published by Ovid Technologies (Wolters Kluwer Health) in Neurology
- Vol. 73 (3), 206-212
- https://doi.org/10.1212/wnl.0b013e3181ae7af1
Abstract
Background: Individual variations in the course of Lewy body Parkinson disease (PD) are well known. Patients have been classified into different clinical subtypes to identify differences in the course among the subgroups. Several studies indicate that the outcome is more favorable in tremor dominant (TD) cases but others report no difference. A majority of progression studies are based on cross-sectional single point data or short-term clinical observations. The lack of longitudinally followed autopsy-confirmed PD cohort remains a major weakness in the literature. Biochemical studies of brain indicate most pronounced abnormalities in akinetic/rigid (AR) and the least in TD cases. We postulate that PD course in these subtypes is concordant with the biochemical findings.Keywords
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