Author

Hea Ree Park

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Open access Sep 2026

Quantitative FP-CIT PET analysis of dopaminergic degeneration in isolated REM sleep behavior disorder and early Parkinson's disease.

STUDY OBJECTIVES Isolated REM sleep behavior disorder (iRBD) is regarded as a prodromal stage of alpha-synucleinopathies such as Parkinson's disease (PD). This study aimed to identify dopaminergic alterations in patients with iRBD using 18F-FP-CIT PET. METHODS 18F-FP-CIT PET scans from 33 healthy controls (HC), 77 pa...

Hea Ree Park, Jeonghoon Kim, Jinyoung Youn et al. · Sleep Medicine · 0 citations

Open access Aug 2026

Total Hypoxic Burden as a Supplementary Metric in Mild Obstructive Sleep Apnea

Objectives: The apnea–hypopnea index (AHI) does not capture desaturation depth or duration. We examined whether total hypoxic burden (THB) describes hypoxemic variation beyond event frequency and whether a THB threshold identifies a higher-risk subgroup in mild obstructive sleep apnea (OSA; 5≤AHI <15).Methods: We retro...

Yi-Seul Choo, Seok-Yeol Yang, Hea Ree Park et al. · Journal of Sleep Medicine · 0 citations