Sustained quality-of-life improvements over 10 years after deep brain stimulation for dystonia
Abstract
Little is known about the quality of life of people with dystonia and DBS beyond 5 years. The objectives of this study were (1) to examine the long-term quality-of-life outcomes in a large cohort of people with dystonia and DBS, (2) to determine the incidence of stimulation-induced parkinsonism, and (3) to elucidate the potential long-term cognitive impact of DBS in this cohort. Fifty-four subjects with dystonia and DBS for more than 5 years were contacted via social media and were offered to complete a quality-of-life survey comparing current-day life and life prior to DBS. The primary study outcomes were the Short Form survey, a parkinsonian symptoms questionnaire, the Telephone Montreal Cognitive Assessment, and the Measurement of Every Day Cognition. Thirty-seven of 54 subjects consented to the study. Average age was 39.7 ± 16.6 years, 16 were female, and 23 were DYT1+. Average time from implantation was 10.5 years. Average total Short Form survey scores improved, from 43.7 pre-DBS to 69.5 current day (P < 0.0005). Mean total self-reported parkinsonian symptom score was 13.8 ± 14.7, with worsening balance and hypophonia the most common. Average Telephone Montreal Cognitive Assessment was 20.1 ± 1.6, with 3 of 29 scores (10....Continue Reading
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