Developing consensus among movement disorder specialists on clinical indicators for identification and management of advanced Parkinson’s disease : a multi-country Delphi-panel approach
Background: Lack of a global consensus on the definition of advanced Parkinson’s disease (APD) and considerations for timing of device-aided therapies may result in heterogeneity in care. Objectives: To reach consensus among movement disorder specialists regarding key patient characteristics indicating transition to APD and guiding appropriate use of device-aided therapies in the management of PD