结论：血管性痴呆患者P 300峰潜伏时的延长反映与认知功能相关脑区的病理改变，客观反映认知功能障碍程度。
CONCLUSION: the prolongation of P300 peak latency reflects the pathological changes of brain areas associated with cognitive function and the degree of cognitive function disorder in VD patients.
应用低剂量多巴酚丁胺负荷超声心动图（LDDSE）试验对21例心肌梗塞患者梗塞区心肌功能障碍的可逆性进行研究。
The reversibility of infarct myocardial dysfunction zone was evaluated by low-dose dobutamine stress echocardiography(LDDSE) in 21 patients with myocardial infarction.
结果MI/R造成明显的心脏功能障碍，缺血区细胞凋亡。
RESULTS: MI/R caused significant cardiac dysfunction and myocardial death.
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