Montreal Bilişsel Değerlendirmesi, İzole edilmiş REM Uyku Davranış Bozukluğunda Lewy Vücut Hastalığının Kısa Vadeli Riskini Azaltılmış MIBG Sintigrafi ile Tahmin Ediyor.

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BackgroundLong-term follow-up of isolated rapid eye movement (REM) sleep behavior disorder (IRBD) patients reveals a high risk of α-synucleinopathies.ObjectiveWe explored the early clinical predictive factors of phenoconversion from IRBD to Parkinson's disease (PD) or dementia with Lewy bodies (DLB).MethodsWe assessed baseline office-based cognitive test scores (Montreal Cognitive Assessment [MoCA-J], Mini-Mental State Examination [MMSE], and Frontal Assessment Battery [FAB]), motor function, and olfactory function in 36 consecutive polysomnography (PSG)-confirmed IRBD patients with reduced metaiodobenzylguanidine (MIBG) accumulation. PD or DLB was confirmed by medical chart review retrospectively.ResultsOf 36 IRBD patients, 19 (n = 19, 52.8%) with abnormal MoCA-J score (ConclusionsAmong IRBD patients with reduced cardiac MIBG accumulation, MoCA-J score of <26 (Mild Cognitive Impairment-Lewy body) and a low sub-item score for delayed recall predicted short-term progression to probable DLB.

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