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Case reports of co-existent Parkinson's disease (PD) and hemifacial spasm (HFS) suggest that there may be a relationship between these conditions. Three of 300 (1%) PD patients presented with HFS compared with 0/300 (0%) controls. The mean age of the three PD patients with HFS was 68.7 +/- 8.0 (60-76) years, with the majority having left-sided HFS. All three patients developed HFS symptoms at around the onset of PD and they were significantly older than the 100 patients with HFS alone (P < 0.05). Our study demonstrated no significant increased risk of HFS amongst the general PD population and hence HFS symptoms are unlikely to be of clinical importance for most PD patients.
E K Tan, and
L L Chan
March 1999,
Movement disorders : official journal of the Movement Disorder Society,
E K Tan, and
L L Chan
May 2019,
World neurosurgery,
E K Tan, and
L L Chan
January 2007,
The Journal of neuropsychiatry and clinical neurosciences,
E K Tan, and
L L Chan
March 2007,
Parkinsonism & related disorders,
E K Tan, and
L L Chan
May 1999,
The Laryngoscope,
E K Tan, and
L L Chan
January 2005,
Electromyography and clinical neurophysiology,
E K Tan, and
L L Chan
November 2022,
Medicine,
E K Tan, and
L L Chan
January 2013,
PloS one,
E K Tan, and
L L Chan
January 2021,
Neurology India,
