Impact of simultaneous subthalamic and nigral stimulation on dysphagia in Parkinson’s disease

Objectives Dysphagia is a frequent and highly relevant symptom in Parkinson's disease (PD) due to high associated morbidity and mortality. To compare the effect of simultaneous stimulation of the subthalamic nucleus (STN) and substantia nigra (SNr) with conventional STN‐stimulation on swallowing function in Parkinson's disease. Methods In this controlled, randomized, double‐blind, cross‐over clinical trial, 15 PD patients were assessed with DBS...