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Ann Cardiol Angeiol (Paris) ; 62(2): 67-74, 2013 Apr.
Article in French | MEDLINE | ID: mdl-22959442

ABSTRACT

The arrhythmogenic right ventricular dysplasia (ARVD) is a rare heart muscle disorder, occurring typically in young adults. The diagnosis remains difficult. The aim of our study was to evaluate the contribution of Doppler echocardiography in the diagnosis and screening for ARVD. Eighteen patients, followed in our cardiology department for ARVD and 10 "witnesses" in good condition were evaluated by echocardiography. We have essentially clarified the dimensions of the RV, its kinetics segmental, Doppler tricuspid flow, the study of movement of the tricuspid annulus in M-mode and tissue Doppler. We have compared the results of echocardiography at those of MRI and RV angiography. In our series, pathological measurement of the RV was found in all patients. No one of the control group had expansion of the RV. Twelve of our patients had abnormal wall motion. The displacement of the tricuspid annulus is reduced both in septal and lateral position. In tissue Doppler, Ea/Aa was lower than in healthy subjects in 15 cases in the lateral position and 16 cases in septal position. ETT is superior to MRI and RV angiography in the diagnosis of localized forms. The family survey, conducted in 38 parents of eight consenting families allowed to screen seven subjects. All these patients had abnormal Doppler echocardiography. Doppler echocardiography is a reliable and efficient investigation for the diagnosis of ARVD. It remains on the first intention to review a suspected ARVD.


Subject(s)
Arrhythmogenic Right Ventricular Dysplasia/diagnostic imaging , Echocardiography, Doppler , Tricuspid Valve/diagnostic imaging , Adolescent , Adult , Angiocardiography , Arrhythmogenic Right Ventricular Dysplasia/diagnosis , Arrhythmogenic Right Ventricular Dysplasia/physiopathology , Case-Control Studies , Diagnosis, Differential , Female , Follow-Up Studies , Humans , Magnetic Resonance Imaging , Male , Middle Aged , Predictive Value of Tests , Reproducibility of Results , Sensitivity and Specificity , Tricuspid Valve/physiopathology
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