Research Paper: Voice Handicap Index(VHI) in Persian Speaking Parkinson's Disease Patients
2014
Objectives “Voice” is affected more and sooner than other speech subsystems in Parkinson's Disease (PD). Voice Handicap Index (VHI) is the most applicable subjective self-rating questionnaire in VD pa tients. The aim of this study was the investigation of Voice handicap in Iranian PD patients. Methods & Materials This cross-sectional, analytical and non-interventional study was done on 50 (35 males, 15 females) patients who reported a VD related to their PD. They were selected from thepatients referring to movement disorders’ clinic in Rasool Akram Hospital affiliated withTehran University of med ical sciences, through easy sampling. VHI total score (VHIT) and its domains (functional-VHIF, Emotional VHIE, Physical VHIP) was assessed in all of participants and by gender segregation. Results 83% of patients reported voice handicap. There wasn't any difference between VHIT and its men tioned 3 domains in both sexes. There is positive correlation between VHIT, VHIE and VHIF with age. VHIT and VHIF had a positive relationship with disease duration (DD). The males VHIT and the men tioned domains had positive correlations with DD. Conclusions Most of Iranian PD patients feel handicap due to voice disorder caused by PD and their quality of life was affected by voice impairment. Increase in age and disease duration caused more voice disorder and reduced quality of life; especially patients feel more handicaps in functional domain (VHIF). In addition, the males feel more handicap than females when DD develops. A B S T R A C T
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