| 脑供血不足的SPECT与BEAM比较 |
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| 引用本文： | 于珊媛,李长彬,吕首旭,刘云,梁丽,张晓萍. 脑供血不足的SPECT与BEAM比较[J]. 临床神经电生理学杂志, 1996, 0(3) |
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| 作者姓名： | 于珊媛 李长彬 吕首旭 刘云 梁丽 张晓萍 |
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| 作者单位： | 黑龙江省林业总医院 |
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| 摘 要： | 报告４２例临床诊断为脑供血不足病人的ＳＰＥＣＴ及ＢＥＡＭ，阳性率分别为８６％及１９％，二者有显著性差异（Ｐ＜０．０１）。ＳＰＥＣＴ在ｒＣＢＦ低于正常１０％时即可显示缺血灶，而ＢＥＡＭ较易反映大脑半球功能变化。ＳＰＥＣＴ能检出脑血流高于症状发生阈２５ｍｌ／（１００ｇ．ｍｉｎ）而低于生理阈值５０ｍｌ／（１００ｇ．ｍｉｎ）的潜在性缺血病灶，为临床提供超早期治疗依据。在脑供血不足缓解期检查ＳＰＥＣＴ，发现部分病例ｒＣＢＦ减低，提示缓解期也存在慢性低灌注状态并应进行必要的治疗。
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| 关 键 词： | 脑供血不足，单光子发射断层扫描，脑电地形图，局部脑血流量 |
Comparison between SPECT and BEAM in cerebral ischemia. |
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| Yu Shanyaun,et al.. Comparison between SPECT and BEAM in cerebral ischemia.[J]. Journal of Clinical Electroneurophysiology, 1996, 0(3) |
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| Authors: | Yu Shanyaun et al. |
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| Affiliation: | Yu Shanyaun, et al. |
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| Abstract: | SPECT and BEAM were comparatively studied in 42 patients with cerebral ischemia.The result showed that the positivity rate of SPECT and BEAM was 86% and 19% respectively. A significant difference(p<0.01) was noted. Ischemia focus could be demonstrated on SPECT when rCBF decreased by 10% and the change of the cerebral hemisphere function could be reflect on BEAM. The potential subclinical focus where the CBF was higher than symptom beginning threshold 25ml/(100g.min) and lower than physiological threshold 50ml/(100g. min) could be detected on SPECT providing a super-early evidence for clinical treatment. Patients with low rCBF during remission of ischemia could be determined by SPECT,suggesting that a low perfusion state might exist and therapy should be commenced. |
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| Keywords: | Cerebral ischemia SPECT BEAM rCBF |
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