Parkinson's Disease in Intensive Care Unit: An Observational Study of Frequencies, Causes, and Outcomes.

Objective: To analyze the frequency, causes, and outcomes of admission to the Intensive Care Unit (ICU) among Parkinson's disease (PD) population so that preventive measures can be developed.

Methods: We prospectively observed patients with diagnosis of PD admitted to ICU from January 2014 to December 2016. Based on etiology for hospital admission, they were divided into two groups - related to PD (further divided into direct or indirect) or not associated with PD at all.