406-02-010 ISMRM Abstract

Comparing the measures of Glymphatic Index derived using Magnetic Resonance Encephalography (MREG) and DTI-ALPS.

Primary: Neuro - Neurofluids

Secondary: Analysis Methods - Data Processing

406-02-010 · The Dynamic Brain: Flow, Pressure, and Exchange · Tuesday, 12 May, 1:40 PM–3:30 PM · Auditorium 2

Keywords: Diffusivity along white matter tracts Sleep quality Principal component analysis Magnetic Resonance Encephalography Multivariate Statistical Analysis

Accepted

Surya Sai Maheswar Budidi ¹, Rodolphe E Nenert², Amy Amara³, Jerzy P Szaflarski², Virendra Mishra¹

¹Department of Radiology, University of Alabama at Birmingham, Birmingham, United States of America

²Department of Neurology, University of Alabama at Birmingham, Birmingham, United States of America

³Department of Neurology, University of Colorado Anschutz Medical Campus, Aurora, United States of America

Presenting Author: Surya Sai Maheswar Budidi

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References

1. 1. Toshiaki Taoka, Rintaro Ito, Rei Nakamichi, Toshiki Nakane, Hisashi Kawai, Shinji Naganawa. Diffusion Tensor Image Analysis Along the Perivascular Space (DTI-ALPS): Revisiting the Meaning and Significance of the Method, 2024.

2. 2. Vesa Kiviniemi, Xindi Wang, Vesa Korhonen, Tuija Keinänen, Timo Tuovinen, Joonas Autio, Pierre LeVan, Shella Keilholz, Yu-Feng Zang, Jürgen Hennig, Maiken Nedergaard. Ultra-fast magnetic resonance encephalography of physiological brain activity – Glymphatic pulsation mechanisms. 2015

3. 3. Tommaso Costa, Jordi Manuello, Enrico Premi, Irene Mattioli, Luca Lasagna, Clara Ballonga Lahoz, Franco Cauda, Sergio Duca & Donato Liloia. Evaluating the robustness of DTI-ALPS in clinical context: a meta-analytic parallel on Alzheimer’s and Parkinson’s diseases. 2024

4. 4. Jiri Nepozitek, Stanislav Marecek, Veronika Rottova, Simona Dostalova, Tomas Krajca, Jiri Keller, Karel Sonka & Petr Dusek. Glymphatic dysfunction evidenced by DTI-ALPS is related to obstructive sleep apnea intensity in newly diagnosed Parkinson’s disease. 2025

5. 5. Jinhao Lyu, Xinyu Wang, Qi Duan, Wanbing Wang, Runze Li, Xiaoyu Wang, Xin Lou. Progress in magnetic resonance imaging of the glymphatic system. 2024

6. 6. Nenert Rodolphe, Mueller Christina, Catiul Corina, Pilkington Jennifer, LeVan Pierre, Ayushe Sharma, Jerzy P Szaflarski, Amy Amara. Brain physiological pulsations are linked to sleep architecture and cognitive performance in older adults. 2025

Cite this abstract

http://echo.ismrm.org/p/ISMRM2026/406-02-010