Abstract:
BACKGROUND:Non-motor symptoms (NMSs) are clearly more prevalent in Parkinson's disease (PD) patients compared to healthy individuals. However, NMSs are also common in the elderly and other neurological conditions, and thus, it is not known whether NMSs could be used to differentiate PD from parkinsonism/tremor without dopamine deficiency. METHODS:We prospectively evaluated NMSs immediately before brain dopamine transporter (DAT) [123I]FP-CIT SPECT scanning in 193 patients with unclear parkinsonism/tremor. According to the clinical follow-up and imaging results, 84 patients had PD. NMSs and their correlations with striatal DAT binding were investigated in PD patients and in parkinsonism/tremor patients with normal dopamine function. RESULTS:Total NMS burden, anxiety or depression did not differ between PD patients and patients with normal DAT binding. DAT-normal patients reported more perception-related (p = 0.045) and attention/memory-related NMSs than PD patients (p < 0.001). Total NMS score did not correlate with striatal DAT binding in either group. CONCLUSIONS:In clinically uncertain cases, the total NMS burden cannot be used as a tool in distinguishing PD patients from patients with non-dopaminergic parkinsonism/tremor. Clinical screening of NMSs appears equally important in all patients with parkinsonism.
journal_name
J Neurol Scijournal_title
Journal of the neurological sciencesauthors
Jaakkola E,Joutsa J,Mäkinen E,Noponen T,Pitkonen M,Levo R,Mertsalmi T,Scheperjans F,Kaasinen Vdoi
10.1016/j.jns.2019.07.025subject
Has Abstractpub_date
2019-09-15 00:00:00pages
124-127eissn
0022-510Xissn
1878-5883pii
S0022-510X(19)30328-4journal_volume
404pub_type
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