PLAT and subarachnoid hemorrhage: After 24h of subarachnoid hemorrhage, immunohistochemical results showed that fibrin clots blocked the perivascular spaces of cerebral cortical vessels (Pu et al., 2019), and the glymphatic system function could be repaired by intraventricular injection of tissue plasminogen activator (t-PA) (Bosche et al., 2020).