Related Experiment Videos
Right ventricular mass measurement by electron beam computed tomography. Validation with autopsy data
J A Cutrone1, D Georgiou, S U Khan
1Department of Radiology, Harbor-UCLA Medical Center, Torrance, CA 90509, USA.
Investigative Radiology
|January 1, 1995
Summary
Electron beam computed tomography accurately quantifies human right ventricular mass when only the free wall is measured. Septal component measurements by this method were not accurate.
Area of Science:
- Cardiovascular imaging
- Anatomical pathology
- Medical physics
Background:
- Accurate quantification of right ventricular mass is crucial for diagnosing and managing cardiovascular diseases.
- Electron beam computed tomography (EBCT) is a non-invasive imaging modality with potential for cardiac assessment.
Purpose of the Study:
- To validate right ventricular mass measurements using EBCT in human hearts.
- To assess the accuracy of EBCT in determining the septal component of the right ventricle.
Main Methods:
- Twenty adult human hearts were analyzed post-mortem using EBCT in a short-axis projection.
- Right ventricular mass was calculated by summing planimetry measurements of the free wall and septal components from EBCT slices.
- EBCT-derived measurements were compared with direct autopsy weights.
Main Results:
- EBCT measurements of the right ventricular free wall showed strong correlation with autopsy weights (r=0.92, P<0.001).
- EBCT measurements of the right ventricular septal component demonstrated poor correlation with autopsy weights (r=0.11, P=0.65).
Conclusions:
- Electron beam computed tomography can accurately quantify human right ventricular mass by focusing solely on the free wall component.
- The septal component of the right ventricle cannot be accurately quantified using EBCT based on this study.