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Updated: May 27, 2026

A Magnetic Resonance Imaging Protocol for Stroke Onset Time Estimation in Permanent Cerebral Ischemia
Published on: September 16, 2017
A new image-based stroke registry containing quantitative magnetic resonance imaging data.
Dong-Eog Kim1, Kyoung-Jong Park, Dawid Schellingerhout
1Department of Neurology, Dongguk University Ilsan Hospital, Dongguk University College of Medicine, Goyang, Republic of Korea. kdongeog@duih.org
This study introduces DUIH_SRegI, a novel stroke registry integrating quantitative magnetic resonance imaging (MRI) data. The system enhances stroke research by enabling image-based hypothesis testing, surpassing conventional text-based registries.
Area of Science:
- Neurology
- Medical Imaging
- Data Science
Background:
- Conventional stroke registries lack comprehensive imaging data capture.
- There is a need for advanced systems to integrate both text and image-based clinical information for stroke patients.
Purpose of the Study:
- To develop and assess a next-generation stroke registry, DUIH_SRegI, incorporating quantitative magnetic resonance imaging (MRI) data.
- To evaluate the feasibility and clinical utility of an image-based stroke registry for research and patient care.
Main Methods:
- Designed DUIH_SRegI with the Image_QNA software package for mapping and storing MRI lesion data.
- Assessed inter- and intra-user variability for lesion mapping, comparing Image_QNA with SPM5 for lesion registration accuracy.
- Studied 47 patients with lacunar infarcts and analyzed data from 183 patients in a prospective registry.
Main Results:
- Image_QNA demonstrated low variability and superior lesion registration compared to SPM5.
- Enriched datasets revealed posterolateral brain location overlap of diffusion MR lesions in patients with higher NIH Stroke Scale scores.
- Prospective registry data collection was feasible, with an acceptable labor time of approximately 1 hour per patient.
Conclusions:
- A novel, image-based stroke registry (DUIH_SRegI) was successfully developed.
- The system facilitates intuitive, image-based hypothesis formulation and testing, advancing stroke research capabilities beyond traditional registries.
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