Eight‐year follow‐up outcome of subthalamic deep brain stimulation for Parkinson’s disease: Maintenance of therapeutic efficacy with a relatively low levodopa dosage and stimulation intensity

Abstract

Long-term therapeutic efficacy of STN-DBS could be achieved even with relatively low stimulation intensity and medication dosage for PD patients in southern China. Motor improvement and medication reduction were maintained through the 8-year follow-up, but improvement in quality of life lasted for only 3 years. No definite changes was found in nonmotor symptoms after STN-DBS.