Author

Yousif Al-Khoury

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Open access Oct 2026

Regional oxygen extraction fraction is higher in older adults with type 2 diabetes and obesity: associations with cognition and metabolic markers.

This is the first study to support a potential link between altered cerebral oxygen extraction, metabolic dysfunction, and cognitive performance in older adults with T2D and obesity.

Mohamad N. Elsharydah, Yousif Al-Khoury, Sharvinee Ragunatha Rao et al. · GeroScience · 0 citations

Open access Sep 2026

Physics and Morphology Constrained Quantitative Susceptibility Based Segmentation of Cerebral Veins

Purpose Quantitative susceptibility mapping (QSM) provides venous contrast through the paramagnetic susceptibility of deoxyhemoglobin and can be used to estimate oxygen extraction fraction (OEF), a marker of cerebral metabolism. However, cerebral vein segmentation remains challenging due to artifacts, variability acros...

Yousif Al-Khoury, Ali Rezaei, V. Raspa et al. · bioRxiv · 0 citations

Open access Aug 2026

Establishing the precision of regional and voxel-wise bone mineral density measurements at the knee using dual-energy quantitative computed tomography.

Using DE-QCT, this study provided spatial maps of reproducibility for voxel-wise BMD measurements in the distal femur, proximal tibia, and patella and found SDRMS provides a more stable and interpretable precision metric than CVRMS and is recommended for voxel-based comparisons.

Nina Pavlovic, Julio Carballido-Gamio, Yousif Al-Khoury et al. · Bone · 0 citations