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Author

Koji Takumi

2 papers indexed here

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Open access Sep 2026

Spectral CT electron density for evaluation of lumbar intervertebral disk degeneration

Objective This study aimed to investigate the ability of spectral CT parameters to evaluate lumbar intervertebral disk degeneration (LIDD). Summary of background data LIDD is the most prevalent cause of low back pain. However, the usefulness of spectral CT for LIDD evaluation remains unclear. Methods This retrospective...

Masanori Nakajo, Tsubasa Nakano, Tomohito Hasegawa et al. · 0 citations
Open access Sep 2026

Early-Diastolic Right Ventricle-Pulmonary Artery Pressure Gradient by Doppler Echocardiography to Guide Cardiac Magnetic Resonance Assessment of Pulmonary Regurgitation after Right Ventricular Outflow Tract Reconstruction.

BACKGROUND Pulmonary regurgitation (PR) after right ventricular outflow tract (RVOT) reconstruction is a major driver of right ventricular (RV) remodeling. Cardiac magnetic resonance (CMR) is the reference standard for quantifying PR but is not routinely feasible in many pediatric follow-up settings. We evaluated wheth...

Junpei Kawamura, Kentaro Ueno, Tsubasa Shimozono et al. · 0 citations

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