Altered Cerebral Vasoreactivity on Transcranial Color-Coded Sonography Related to Akinetic-Rigid Phenotype of Parkinson's Disease: Interim Analysis of a Cross-Sectional Study.
Rodrigo Tavares BrissonRita de Cássia Leite FernandesJosevânia Fulgêncio de Lima ArrudaThiffanny Cristini Cassiano da S M RochaNathália de Góes Duarte SantosLiene Duarte SilvaMarco Antônio Sales Dantas de LimaAna Lucia Zuma de RossoPublished in: Brain sciences (2023)
TCCS, a cost-effective method, displayed impaired cVR in Parkinsonian patients with risk factors for CVD with higher degree of MRI leukoaraiosis. PD patients with the AR disease phenotype also presented impaired cVR on TCCS and greater functional impairment, although with just a trend to higher scores on MRI Fazekas.