Clinical rating of dyskinesias in Parkinson's disease: use and reliability of a new rating scale

Peter Hagell, Håkan Widner

Research output: Contribution to journalArticlepeer-review

87 Citations (SciVal)

Abstract

Drug-induced dyskinesias (DID) manifested as hyperkinetic and/or dystonic movements or postures are common problems in Parkinson's disease (PD). Novel therapeutic interventions may offer possibilities to counteract these common adverse effects of an otherwise necessary treatment. To be able to evaluate the effects of such interventions on DID, reliable and relevant clinical assessment tools are needed. We tested the inter- and intrarater reliability of a new clinical dyskinesia rating scale consisting of separate ratings of different body parts, including lateralization and separate ratings of dystonia and hyperkinesias. Interrater reliability was tested both with and without a defined scoring code and clarification of the dystonia section. The nondefined version was also tested for intrarater reliability. Thirteen raters independently reviewed 23 videotape sequences showing PD patients performing standardized motor tests. Inter- and intrarater agreement was significant in all evaluations, and no differences were detected when comparing ratings performed with the defined and nondefined version of the scale. The rationale for, and the role and use of, the present scale are addressed.
Original languageEnglish
Pages (from-to)448-455
JournalMovement Disorders
Volume14
Issue number3
DOIs
Publication statusPublished - 1999

Bibliographical note

The information about affiliations in this record was updated in December 2015.
The record was previously connected to the following departments: Neurology, Lund (013027000), Caring Sciences (Closed 2012) (016514020)

Subject classification (UKÄ)

  • Neurology

Keywords

  • Hyperkinesias
  • Dyskinesias
  • Parkinson's disease
  • Dystonia
  • Rating
  • Reliability

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