Siamak Karkheiran
Movement Disorders Clinic, Rasool Akram Hospital, Tehran University of Medical Sciences, Tehran, Iran.
[ 1 ] - Relation between Voice Handicap Index (VHI) and disease severity in Iranian patients with Parkinson’s disease
Background: One third of patients with Parkinson’s disease (PD) have mentioned “dysphonia” as their most debilitating communication deficit. Patient-based measurements, such as Voice Handicap Index (VHI) add necessary supplementary information to clinical and physiological assessment. There are a few studies about relation between VHI and disease severity in PD, although none of them showed an...
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