Ventricular tracer entry parameter K1

Age is associated with ventricular tracer entry parameter K1 in humans (r = -0.700).

“Both K1 (r = -0.700, p < 0.001) and k2 (r = -0.712, p < 0.001) demonstrated strong negative correlations with age.”

Humansmajor depressive disorderlateral ventricle

Dynamic 18F-FDG PET characterizes age-related changes in fitted ventricular FDG kinetics in humans

Imaging neuroscience (Cambridge, Mass.)·13 Oct 2026