Acquisition method study on￣（99m）Tc-MIBI myocardial SPECT

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Acquisition method study on￣（99m）Tc-MIBI myocardial SPECT

更新时间：2021-04-09

- Acquisition method study on￣（99m）Tc-MIBI myocardial SPECT
- NUCLEAR TECHNIQUES Issue 5, (1996)
- 作者机构：
  
  中山医科大学附属第一医院
- 作者简介：
- 基金信息：
- DOI：
  CLC： R816.2
- Published：01 May 1996
- 稿件说明：
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[1]梁宏,石锐,林增桃,曾世荃,李春亿.~（99m）Tc－MIBI心肌断层显像图像采集方法比较[J].核技术,1996(05):285-288.

Acquisition method study on￣（99m）Tc-MIBI myocardial SPECT[J]. Nuclear techniques, 1996, (5).
[1]梁宏,石锐,林增桃,曾世荃,李春亿.~（99m）Tc－MIBI心肌断层显像图像采集方法比较[J].核技术,1996(05):285-288. DOI：

Acquisition method study on￣（99m）Tc-MIBI myocardial SPECT[J]. Nuclear techniques, 1996, (5). DOI：

摘要

借助心脏模型和临床研究，探讨了心肌断层显像１８０°采集方式的可行性，并与３６０°资料采集进行了比较。评价参数主要有心肌容积和面积、缺损容积和面积。结果表明；单用心脏模型时，３６０°方式与模型真实值较为接近，而外附体模后，１８０°采集更符合真实值，但相互间均无显著性差异（Ｐ＞０．０５）。３４例冠心病患者心肌病变定量参数３６０°／°与１８０°间或１８０°／６°与１８０°矿间均非常接近；而且１８０°／６°采集时其缺损（病变）／正常心肌比率（０．２３５±０．０４３）较３６０°／６°采集（０．２４９±０．０５７）明显降低（Ｐ＜０．０５），表明前者能更好地分辨病变区。上述结果提示：心肌断层显像时，１８０°采集不但能与３６０°采集一样提供较好的图像，而且能减少图像采集时间，故更具有临床应用价值。

Abstract

Heart phantom and clinical study of 99mTc-MIBI SPECT with 180°（LAO to RAO）data acquisition was camed out and compared with the full 360°rotation.Data analyses included myocardial volume and area

defect Volume and area.In simple heart phantom study

360°acquisition was more aseroximate to phantom determined true value （P>0.05）.However

when a hesrt phantom was wraped in a chest phantom

180°data acquisition was more accordant with thee value （P>0.05）.In 34 cases with coronary heart disease

all of the quantitative parameters mentioned above were very accordant between 360

/6°and 180°/6

180°/6°and 180°/3°The defect-to-normal wall-count ratio（D/N） was lower in the 180°scan （0.235±0.043）than in the 360°scan（0.249 ±0.057）（P<0.05）

indicating the lesion site can be better detected by the former method.All of the results suggested that for myocardial SPECT the 180°acquisition method can save acquisition time and is more practical in the clinical appliance than 360°acquisition.

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