Reproducibility of Heart Valve Regurgitation Assessment by MRI
Author Information
Author(s): Gradinger Robert, Ring Christina, Walcher Thomas, Rottbauer Wolfgang, Bernhardt Peter
Primary Institution: Universitiy of Ulm, Ulm, Germany
Hypothesis
The study aims to evaluate the reproducibility of valve regurgitations considering intra- and interobserver variability in patients with mild to moderate valve regurgitation.
Conclusion
Cardiac magnetic resonance imaging provides good agreement for assessing mild heart valve regurgitation, but the evaluation of tricuspid valve regurgitation shows lower agreement.
Supporting Evidence
- Good correlations were found for aortic and pulmonary regurgitation fraction and left ventricular ejection fraction.
- Inter-rater reliability for right ventricular ejection fraction was ICC 0.843.
- Mitral regurgitation showed inter-rater reliability of ICC 0.875.
- Tricuspid regurgitation had lower inter-rater reliability of ICC 0.616.
Takeaway
Doctors used special heart scans to see how well they could agree on measuring heart valve problems, and they found that it works well for most valves but not as well for the tricuspid valve.
Methodology
Two blinded observers analyzed CMR data of patients, with each patient evaluated twice to assess reproducibility.
Limitations
The study indicates lower inter- and intraobserver agreement for the tricuspid valve due to the complexity of the right heart chambers.
Participant Demographics
Patients with mild to moderate valve regurgitation.
Statistical Information
Confidence Interval
0.15
Digital Object Identifier (DOI)
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