Abstract
OBJECTIVES/HYPOTHESIS: This study explores whether changes in voice- and swallow-related QoL are associated with progression of idiopathic Parkinson's disease (IPD). Furthermore, it examines the relationship between patients' perception of both voice and swallowing disorders in IPD.
STUDY DESIGN: Prospective clinical study, quality of life (QoL).
METHODS: One-hundred mentally competent IPD patients with voice and swallowing complaints were asked to answer four QoL questionnaires (Voice Handicap Index, MD Anderson Dysphagia Inventory, Visual Analog Scale [VAS] voice, and Dysphagia Severity Scale [DSS]). Differences in means for the QoL questionnaires and their subscales within Hoehn and Yahr stage groups were calculated using one-way analysis of variance. The relationship between voice- and swallow-related QoL questionnaires was determined with the Spearman correlation coefficient.
RESULTS: Scores on both voice and swallow questionnaires suggest an overall decrease in QoL with progression of IPD. A plateau in QoL for VAS voice and the DSS was seen in the early Hoehn and Yahr stages. Finally, scores on voice-related QoL questionnaires were significantly correlated with swallow-related QoL outcomes.
CONCLUSIONS: Voice- and swallow-related QoL decreases with progression of IPD. A significant association was found between voice- and swallow-related QoL questionnaires. Healthcare professionals can benefit from voice- and swallow-related QoL questionnaires in a multidimensional voice- or swallow-assessment protocol. The patient's perception of his/her voice and swallowing disorders and its impact on QoL in IPD should not be disregarded.
LEVEL OF EVIDENCE: 2b.
Original language | English |
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Pages (from-to) | 408-14 |
Number of pages | 7 |
Journal | The Laryngoscope |
Volume | 126 |
Issue number | 2 |
DOIs | |
Publication status | Published - Feb 2016 |
Keywords
- Aged
- Aged, 80 and over
- Deglutition
- Deglutition Disorders
- Disease Progression
- Female
- Follow-Up Studies
- Humans
- Male
- Parkinson Disease
- Prospective Studies
- Quality of Life
- Severity of Illness Index
- Surveys and Questionnaires
- Voice
- Voice Quality