The clinical significance of the lung/heart ratio measurement in ￣（99m）Tc-MIBI stress myocardial imaging

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The clinical significance of the lung/heart ratio measurement in ￣（99m）Tc-MIBI stress myocardial imaging

更新时间：2021-04-09

- The clinical significance of the lung/heart ratio measurement in ￣（99m）Tc-MIBI stress myocardial imaging
- NUCLEAR TECHNIQUES Issue 11, (1996)
- 作者机构：
  
  广州市第一人民医院
- 作者简介：
- 基金信息：
- DOI：
  CLC： R541.4
- Published：01 November 1996
- 稿件说明：
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[1]朱旭生,莫耀溥,邹德环,廖国荣,焦晓凤,周秀卿,纪平.~（99m）Tc—MIBI运动心肌显像肺／心肌比值测定的临床意义[J].核技术,1996(11):695-697.

The clinical significance of the lung/heart ratio measurement in ￣（99m）Tc-MIBI stress myocardial imaging[J]. Nuclear techniques, 1996, (11).
[1]朱旭生,莫耀溥,邹德环,廖国荣,焦晓凤,周秀卿,纪平.~（99m）Tc—MIBI运动心肌显像肺／心肌比值测定的临床意义[J].核技术,1996(11):695-697. DOI：

The clinical significance of the lung/heart ratio measurement in ￣（99m）Tc-MIBI stress myocardial imaging[J]. Nuclear techniques, 1996, (11). DOI：

摘要

３３例受试者在运动达亚极量后，静脉注射９９ｍＴｃ－ＭＩＢＩ７４０ＭＢｑ，１ｈ后进行显像，采用ＲＯＩ技术测定肺／心肌比值。结果显示，心绞痛组和心梗组的肺／心比值与正常对照组差别非常显著（Ｐ＜０．０１）。以０，３８作为判定冠心病严重程度的指标，其诊断效能分别为灵敏度８７．５％、特异性１００％、准确性９３．３％．肺／心比值≥０．３８者７例，占２１．２％。全９９ｍＴｃ－ＭＩＢＩ心肌显像阳性，并且都有两个壁以上的缺血。提示肺沁肌比值对判定冠心病严重程度及预后预测具有一定的临床价值．

Abstract

After submaxdrial stress

99mTc-MIBI（740MBq） was intravenously administered in 33 cases of coronary heart diseases.Planer myocardial imaging was performed 1h later. Lung/heart ratio was determined using ROI technique. The result showed that there was very significant difference between the lung/heart ratio of angina pectoris and myocardial infarction group compared with the normal controls （P<0.01）. If 0.38 as marker for severe coronary artery disease was used

then the sensitivity was 87.5%

specificity 100% and accuracy 93.3%. In our study

these were 7 cases withlung/heart ratio >0.38. This accounted for 21.2%. In all these cases

the myocardial imaging were positive

with ischemia in more than two walls. Thereby lung/heart ratio was clinically useful for determining the seventy and prognosis of coronary artery disease.

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