Four Chamber Normative Data for Computed Tomography Angiography in the Axial Plane


Background: Computed Tomography Angiography (CTA) is a new and promising type of imaging to evaluate cardiac structure and function. Although it does require injection of contrast material and some radiation exposure, it is much less invasive than conventional catheter based on angiography. It has been already shown to correlate well with echocardiography images, but normative values have yet to be established. Objectives: To publish the first known data on CTA measurements for all four chambers of the heart. Methods: We conducted a retrospective chart review study of around 3000 patients over a three-year period (2006-2008) from a private cardiology practice in Phoenix, Arizona. Patients were screened for any preexisting conditions that might contribute to abnormal cardiac structures. A “normal” population of 226 patients’ CTA’s was reviewed and 29 different measurements were taken cardiac anatomy. Patients were then categorized based on sex and BMI and the cardiac measurements were compared. Results: The values obtained were similar to already established normal measurement values from echocardiography. There was good correlation between body mass index (BMI) and the sexes. Conclusion: This study serves to establish normative data for cardiac CTA while also proves to show good correlation with already established normative values for echocardiography and justifies these CTA measurements as an alternative means of cardiac evaluation. Further study regarding the variations between data for specific measurements will be addressed in future studies.

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Whittington, W. , Loli, A. , Gerkin, R. and Desser, K. (2014) Four Chamber Normative Data for Computed Tomography Angiography in the Axial Plane. World Journal of Cardiovascular Surgery, 4, 69-76. doi: 10.4236/wjcs.2014.44011.

Conflicts of Interest

The authors declare no conflicts of interest.


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