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为研究自发性脑出血后局部脑血流（rCBF）动态变化规律及影响因素，应用单光子发射计算机断层扫描（SPECT）rCBF断层显像，依据ROI比值法分别测定66例脑出血患者急性期、亚急性期及慢性期的比值。结果：急性期rCBF显著减少，其程度与血肿量及出血部位有关，以后随时间推移rCBF逐步增加。影响脑出血后rCBF变化的因素主要是血肿量及出血部位。
To study the dynamic changes of regional cerebral blood flow (rCBF) and its influencing factors after spontaneous intracerebral hemorrhage, single photon emission computed tomography (SPECT) rCBF tomography was used to determine the acute phase of 66 patients with cerebral hemorrhage according to the ROI ratio method. Subacute and chronic ratio. Results: The acute phase of rCBF significantly reduced, the degree of hematoma and bleeding sites, and later rCBF gradually increased over time. The main factors that influence the change of rCBF after intracerebral hemorrhage are hematoma volume and bleeding site.