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Arrhythmogenic right ventricular dysplasia: MR features
M Midiri1, M Finazzo, M Brancato
1Istituto di Radiologia, Policlinico Universitario P. Giaccone, Via del Vespro 127, I-90127 Palermo, Italy.
European Radiology
|January 1, 1997
Summary
Arrhythmogenic right ventricular dysplasia (ARVD) is a heart condition involving fatty replacement of the myocardium. MRI is highly effective for diagnosing ARVD, with specific criteria aiding in classification.
Area of Science:
- Cardiology
- Medical Imaging
Background:
- Arrhythmogenic right ventricular dysplasia (ARVD) is a myocardial disease characterized by progressive replacement of cardiac muscle with fatty or fibrous tissue.
- Diagnosis often relies on a combination of clinical, electrocardiographic, and imaging findings, but can be challenging.
Purpose of the Study:
- To evaluate the effectiveness of Magnetic Resonance Imaging (MRI) in diagnosing Arrhythmogenic right ventricular dysplasia (ARVD).
- To establish MRI criteria for classifying ARVD diagnosis probability.
Main Methods:
- Thirty patients with suspected ARVD underwent clinical evaluation, serial EKG, echocardiography, and MRI.
- MRI criteria included fatty substitution, right ventricular ectasia, dyskinetic bulges, dilation, and atrial enlargement.
- Diagnosis was classified as highly probable, probable, dubious, or negative based on the number of positive MRI criteria.
Main Results:
- MRI identified characteristic features of ARVD, including fatty infiltration and ventricular abnormalities.
- Highly probable ARVD was diagnosed in 8 patients, probable in 4, dubious in 7, and negative in 11 patients based on MRI criteria.
- The MRI technique demonstrated high effectiveness in assessing ARVD.
Conclusions:
- Magnetic Resonance Imaging (MRI) is a highly effective tool for diagnosing Arrhythmogenic right ventricular dysplasia (ARVD).
- Established MRI criteria can significantly aid in the accurate classification and diagnosis of ARVD.