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PURPOSE To investigate the hemodynamic changes of normal-appearing white matter (NAWM) in hypertension using the 3D pseudocontinuous arterial spin labeling (pCASL) technique. MATERIALS AND METHODS Seventy-three subjects, including a patient group (n = 41; 30 males; age = 47.7 ± 8.3 years; test-time blood pressure [BP] = 155 ± 23/98 ± 11 mmHg) and an(More)
BACKGROUND AND PURPOSE Three-dimensional pseudocontinuous arterial spin labeling with multiple postlabeling delays has been used to assess cerebral blood flow (CBF). We used this modality to estimate antegrade and collateral flow in patients with unilateral middle cerebral artery stenosis. METHODS Consecutive patients with unilateral middle cerebral(More)
The paper introduced essential concepts and principals of risk management, and before discussing the feasibility of adopting WSR methodology in risk management of agent projects, it concluded a brief account for WSR methodology. Based on WSR methodology, the paper proposed the thread of introducing core ideology of WSR-knowing Wuli, sensing Shili, and(More)
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