G-M Hariz1, P Blomstedt, L-O D Koskinen. 1. Department of Community Medicine and Rehabilitation, Section of Occupational Therapy, Umeå University, Sweden. gun-marie.hariz@neuro.umu.se
Abstract
OBJECTIVES: To report long-term effects of thalamic deep brain stimulation (DBS) on activities of daily living (ADL) and health-related quality of life (HRQoL) in patients with essential tremor (ET). MATERIALS AND METHODS: Nineteen consecutive patients were evaluated at baseline, at a mean of 1 year, then at a mean of 7 years after DBS using Tremor Rating Scale, Mini Mental Test, ADL Taxonomy, Nottingham Health Profile, Life Satisfaction Checklist, Visual Analogue Scale and interview. RESULTS: There was a decrease of DBS efficacy on tremor between 1 and 7 years post-operatively. The marked improvement in ADL at 1 year was no longer sustained at long-term, except for the ability to eat. Social life remained improved. CONCLUSION: Although there is a decrease of DBS effect on tremor at 7 years, and even though further ageing and co-morbidities may impact on the well-being of patients, there is still relevant benefit of DBS on few aspects of ADL and HRQoL in patients with ET.
OBJECTIVES: To report long-term effects of thalamic deep brain stimulation (DBS) on activities of daily living (ADL) and health-related quality of life (HRQoL) in patients with essential tremor (ET). MATERIALS AND METHODS: Nineteen consecutive patients were evaluated at baseline, at a mean of 1 year, then at a mean of 7 years after DBS using Tremor Rating Scale, Mini Mental Test, ADL Taxonomy, Nottingham Health Profile, Life Satisfaction Checklist, Visual Analogue Scale and interview. RESULTS: There was a decrease of DBS efficacy on tremor between 1 and 7 years post-operatively. The marked improvement in ADL at 1 year was no longer sustained at long-term, except for the ability to eat. Social life remained improved. CONCLUSION: Although there is a decrease of DBS effect on tremor at 7 years, and even though further ageing and co-morbidities may impact on the well-being of patients, there is still relevant benefit of DBS on few aspects of ADL and HRQoL in patients with ET.
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