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Right Ventricular Involvement in Cardiac Sarcoidosis Demonstrated with Cardiac Magnetic Resonance
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Right Ventricular Involvement in Cardiac Sarcoidosis Demonstrated with Cardiac Magnetic Resonance
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Journal Article
Right Ventricular Involvement in Cardiac Sarcoidosis Demonstrated with Cardiac Magnetic Resonance
2017
Overview
Abstract
Aims
Cardiac involvement in sarcoidosis is reported in up to 30% of patients. Left ventricular involvement demonstrated by contrast-enhanced cardiac magnetic resonance has been well validated. We sought to determine the prevalence and distribution of right ventricular late gadolinium enhancement in patients diagnosed with pulmonary sarcoidosis.
Methods and results
We prospectively evaluated 87 patients diagnosed with pulmonary sarcoidosis with contrast-enhanced cardiac magnetic resonance for right ventricular involvement. Pulmonary artery pressures were non-invasively evaluated with Doppler echocardiography. Patient characteristics were compared between the groups with and without right ventricular involvement, and right ventricular enhancement was correlated with pulmonary hypertension, ventricular mass, volume, and systolic function. Left ventricular late gadolinium enhancement was demonstrated in 30 patients (34%). Fourteen patients (16%) had right ventricular late gadolinium enhancement, with sole right ventricular enhancement in only two patients. The pattern of right ventricular enhancement consisted of right ventricular outflow tract enhancement in 1 patient, free wall enhancement in 8 patients, ventricular insertion point enhancement in 10 patients, and enhancement of the right side of the interventricular septum in 11 patients. Pulmonary arterial hypertension correlated with the presence of right ventricular enhancement (P < 0.001). Right ventricular enhancement correlated with systolic ventricular dysfunction (P < 0.001), hypertrophy (P = 0.001), and dilation (P < 0.001).
Conclusions
Right ventricular enhancement was present in 16% of patients diagnosed with pulmonary sarcoidosis and in 48% of patients with left ventricular enhancement. The presence of right ventricular enhancement correlated with pulmonary arterial hypertension, right ventricular systolic dysfunction, hypertrophy, and dilation.
Publisher
Oxford University Press,John Wiley and Sons Inc
Subject
/ Cardiomyopathies - diagnosis
/ Cardiomyopathies - physiopathology
/ Echocardiography, Doppler - methods
/ Female
/ Heart Ventricles - diagnostic imaging
/ Heart Ventricles - physiopathology
/ Humans
/ Magnetic Resonance Imaging, Cine - methods
/ Male
/ Original
/ Patients
/ Sarcoidosis - physiopathology
/ Scars
/ Studies
