Evaluation of Acoustic Voice Quality Index in Persian-Speaking Parkinson's Patients Compared to Healthy Controls and Its Association With Disease Severity Based on UPDRS-III and Dysarthria Severity
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View abstract on PubMed
Summary
This summary is machine-generated.The Acoustic Voice Quality Index (AVQI) effectively identifies voice disorders in Persian Parkinson's patients with dysarthria. Higher AVQI scores correlate with increased disease and dysarthria severity, indicating its potential as a diagnostic tool.
Area Of Science
- Neurology
- Speech-Language Pathology
- Biomedical Engineering
Background
- Parkinson's disease frequently causes dysarthria, impacting speech subsystems like phonation.
- The Acoustic Voice Quality Index (AVQI) shows promise in predicting Parkinson's disease onset and severity.
Purpose Of The Study
- To investigate the AVQI in Persian-speaking Parkinson's patients with hypokinetic dysarthria compared to healthy controls.
- To assess the association between AVQI and disease severity (UPDRS-III) and dysarthria severity.
Main Methods
- An epidemiological study involving 30 Parkinson's patients with hypokinetic dysarthria and 30 healthy controls.
- Disease severity assessed using Unified Parkinson's Disease Rating Scale-Part III (UPDRS-III).
- Speech samples recorded for AVQI extraction using Praat software.
Main Results
- The AVQI was significantly higher in Parkinson's patients than in controls (P ≤ 0.001).
- A significant positive correlation was found between AVQI and both UPDRS-III scores (P ≤ 0.001) and dysarthria severity (P ≤ 0.001).
Conclusions
- AVQI can distinguish voice disorders in Persian-speaking Parkinson's patients with hypokinetic dysarthria.
- AVQI positively correlates with Parkinson's disease and dysarthria severity in this population.
- Further research is recommended to explore this correlation in other languages.
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