Fig. 1. CBF and Tmax maps derived from the model and CTP showing three patients with different cores and low perfusion volumes in the test dataset and the corresponding maximum intensity projection ...

Cerebral haemodynamics, the study of blood flow within the brain, is central to understanding how the organ meets its extraordinary metabolic demands. Autoregulation refers to the intrinsic ability of ...

Cognitive impairment is common in patients with end-stage renal disease treated with hemodialysis. Despite this well-recognized link, the etiology of cognitive impairment in hemodialysis patients has ...

LSCI emphasizes large surface veins and heartbeat-locked speckle changes (top raw); IPPG emphasizes tissue pulsations (bottom raw). Beat-normalized time courses from both methods co-evolve, revealing ...

New imaging reveals how subtle lung changes may influence sleep and brain activity years after COVID, offering clues to why symptoms persist even when routine tests look normal. Even without ...

Hypertonic saline refers to any saline solution with a concentration of sodium chloride (NaCl) higher than physiologic (0.9%). Commonly used preparations include 2%, 3%, 5%, 7%, and 23% NaCl. HTS may ...