The regional CBF ( perihematomal white and gray matter and the corresponding regions in contralateral hemisphere) at 6h, 24h and 72h was measured by indicator fractionation technique ( using 14 C iodoantipyrine). 用14C-iodoantipyrine微示踪技术测定实验性脑出血6h、24h、72h血肿周围皮质、白质及对侧相应部位的脑血流量。