Parkinson's disease risk score: Moving to a premotor diagnosis

Jürgen Winkler, Reinhard Ehret, Thomas Büttner, Ulrich Dillmann, Wolfgang Fogel, Michael Sabolek, Juliane Winkelmann, Jan Kassubek

Research output: Contribution to journalArticlepeer-review

38 Scopus citations

Abstract

Early pre-motor symptoms (also frequently termed "non-motor" symptoms) in Parkinson's disease (PD), which precede the onset of motor symptoms, are being increasingly recognized by clinicians. Non-motor symptoms in the pre-motor phase of PD include impaired olfaction (hyposmia), sleep disturbances (i.e., radid eye movement sleep behavior disorder, daytime sleepiness), behavioral/emotional dysfunction (i.e., change of personality or change of core personal characteristics), dysautonomia (i.e., constipation, urinary dysfunction, orthostatic hypotension), depressive symptoms (i.e., fatigue, apathy, anxiety), and chronic pain (joint and muscle). The pre-motor phaseof PDis based on current pathophysiological concepts that relate these symptoms to early structural changes within lower brainstem nuclei and the peripheral nervous system including theautonomic and enteric ganglia. The perspectivetoidentify these symptoms as early as possible will enable neurologists to make a diagnosis at the pre-motor stage of PD. Thus, the development of a PD risk score will be the first means to identify individuals at risk who are most likely to develop the prototypical motor symptoms of PD later in life. More importantly, these individuals at risk will bethe firsttobenefit from disease-modifying strategies. In this workshop report, the elements of a PD risk score are proposed, including the stepwise sequence of escalating diagnostic measures to diagnose the pre-motor stage in PD.

Original languageEnglish
Pages (from-to)S311-S315
JournalJournal of Neurology
Volume258
Issue numberSUPPL. 2
DOIs
StatePublished - May 2011

Keywords

  • Diagnosis
  • Neuroimaging
  • Non-motor symptoms
  • Parkinsonian syndrome
  • Therapy

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