Ronald B Postuma, Alex Iranzo, Birgit Hogl, Isabelle Arnulf, Luigi Ferini-Strambi, Raffaele Manni, Tomoyuki Miyamoto, Wolfgang Oertel, Yves Dauvilliers, Yo-El Ju, Monica Puligheddu, Karel Sonka, Amelie Pelletier, Juan Santamaria, Birgit Frauscher, Smaranda Leu-Semenescu, Marco Zucconi, Michele Terzaghi, Masayuki Miyamoto, Marcus M Unger, Bertrand Carlander, Maria-Livia Fantini, Jacques Y Montplaisir
OBJECTIVE: To assess whether risk factors for Parkinson disease and dementia with Lewy bodies increase rate of defined neurodegenerative disease in idiopathic rapid eye movement (REM) sleep behavior disorder (RBD). METHODS: Twelve centers administered a detailed questionnaire assessing risk factors for neurodegenerative synucleinopathy to patients with idiopathic RBD. Variables included demographics, lifestyle factors, pesticide exposures, occupation, comorbid conditions, medication use, family history, and autonomic/motor symptoms...
May 2015: Annals of Neurology