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Relationship between quality of life and dysarthria in patients with multiple sclerosis
Valentina Piacentini1, Ilaria Mauri1, Davide Cattaneo1
1IRCCS Santa Maria Nascente, Fondazione Don Gnocchi ONLUS, Milan, Italy.
Objective:
To evaluate dysarthria and dysarthria-related quality of life (QOL) and analyze its relations with duration of disease, severity, and general QOL in patients with multiple sclerosis (MS).
Design:
Cross-sectional observational study.
Setting:
Rehabilitation center.
Participants:
Consecutive patients with MS (N=163) were recruited (mean age, 52 ± 10.4 y; mean MS duration, 19 ± 10.4 y).
Interventions:
Not applicable.
Main Outcome Measures:
Presence of dysarthria; dysarthria characteristics; MS severity and duration; and dysarthria-related and generic QOL were evaluated by means of the therapy outcome measure scale; Robertson profile; Expanded Disability Status Scale (EDSS), years of disease; QOL of the dysarthric speaker questionnaire; and Medical Outcomes Study 36-Item Short-Form Health Survey (SF-36), respectively.
Results:
The mean EDSS score was 6.5 ± 1.3. Dysarthria affected 57 (35%) of the 163 patients. Dysarthria severity was mild in most of the 57 patients with dysarthria. Median Robertson profile scores were slightly but significantly higher in the nondysarthric group compared with the dysarthric group (P=.001). The QOL for the dysarthric speaker questionnaire was significantly more compromised in patients with dysarthria (P=.001). No difference on the SF-36 scores between patients with and without dysarthria was found, with the exception of the physical activity and physical pain subscales. The QOL for the dysarthric speaker questionnaire showed no correlation with MS duration and a weak correlation with EDSS score (r=.25). Correlations between the SF-36 and QOL for the dysarthric speaker scores were few and weak, with the exception of the role limitations because of emotions (r=-.428) and mental health subscales (r=-.383).
Conclusions:
Dysarthria-related QOL is compromised in patients with MS and dysarthria and might be used as a supplementary measure in clinical practice and research for patients who have MS.
