Voice- and swallow-related quality of life in idiopathic Parkinson's disease

Michel R A van Hooren, Laura W J Baijens, Rein Vos, Walmari Pilz, Laura M F Kuijpers, Bernd Kremer, Emilia Michou

    Research output: Contribution to journalArticlepeer-review

    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 languageEnglish
    Pages (from-to)408-14
    Number of pages7
    JournalThe Laryngoscope
    Volume126
    Issue number2
    DOIs
    Publication statusPublished - 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

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