Cardiac enlargement is an important symptom of vascular and heart disease. The cardiothoracic ratio (CTR) is an important index used to measure the size of heart. The aim of this study was to assess the relationship between aging and cardiothoracic ratio. This paper also presents an improved C-V level set method to segment lung tissue based on X-ray image, which used to automatically compute CTR. In the investigation carried out in our school, we got more than 3 120 chest radiographs from medical examination of the working population in Beijing, and we systematically studied the effects of age and gender on the CTR to obtain reference values for each group. The reference values established in this study can be useful for recording and quantifying the cardiac enlargement, so that it may be useful for calling attention to the cardiovascular diseases and the heart diseases.
Citation：
HOUYuanyuan, LIUYi, ZHOUPing. Data Analysis for Relationship Between Aging and Cardiothoracic Ratio Based on C-V Segmentation Algorithm. Journal of Biomedical Engineering, 2014, 31(3): 547-551. doi: 10.7507/1001-5515.20140102
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Copyright © the editorial department of Journal of Biomedical Engineering of West China Medical Publisher. All rights reserved
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- 2. 陈秀丽.心脏增大临床常用诊断方法比较[J].现代诊断与治疗,1991,2(1):31-33.
- 3. 陈卫国.健康人胸片的X线定量分析(附462例报告)[J]. 黑龙江医学,2009,33(4):267-268.
- 4. 高万本,王孔富.绵阳市1200例正常成人心胸比值研究[J].四川医学,2005,26(1):64-65.
- 5. LI S, FEVENS T, KRZYZAK A, et al. Semi-automatic computer aided lesion detection in dental X-rays using variational level set[J]. Pattern Recognition, 2007, 40(10):2861-2873.
- 6. 宋余庆.数字医学图像[M].北京:清华大学出版社,2008:108-119.
- 7. 杨本强,张立波.心胸比率的计算机辅助测量计算方法[J].中华放射学杂志,2009,43(8):892-893.
- 8. 刘炎,邱天爽.一种X光胸片心胸比率自动计算方法[J].中国生物医学工程学报,2009,28(1):149-152.
- 9. 方积乾.生物医学研究的统计方法[M].北京:高等教育出版社,2007:505-515.
- 10. SCHAEFER-PROKOP C, NEITZEL U, VENEMA H W, et al. Digital chest radiography:an update on modern technology, dose containment and control of image quality[J].Eur Radiol, 2008,18(9):1818-1830.
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