The ratio between cerebral blood flow and Tmax predicts the quality of collaterals in acute ischemic stroke.
Ivana GalinovicElena KochovaAhmed KhalilKersten VillringerSophie K PiperJochen B FiebachPublished in: PloS one (2018)
In the setting of acute ischemic stroke the CBF/Tmax volume ratio can be used to differentiate between good and insufficient collateral circulation without the need for invasive procedures like conventional angiography.