Abstract
Background Diastolic dysfunction may be initiated before systolic dysfunction and may help in early diagnosis of ventricular dysfunction. Restriction in right ventricular fulfill status may be presented as end-diastolic forward flow (EDFF) in pulmonary artery. that may be detected in MRI by flowsensitive phase encoding and is indicator of RVEDP. It has been demonstrated that patients with EDFF would have shorter PI and less cardiomegaly and better exercise tolerance that are all protective against right ventricle fulfilling restriction. In patients with less EDFF, the tricuspid flow may be assessed by Doppler echocardiography in most cases; but in patients with PR, the fulfilling of right ventricle is made via both pulmonary and tricuspid valves and in these cases the Doppler echocardiography is not so definite indicator of right ventricle diastolic fulfilling.In these cases the MRI may be a good choice especially if it affects the prognosis and be associated with functional class. Hence in this study, the EDFF was evaluated by MRI and its association with functional class and prognosis was evaluated.
Highlights
Diastolic dysfunction may be initiated before systolic dysfunction and may help in early diagnosis of ventricular dysfunction.Restriction in right ventricular fulfill status may be presented as end-diastolic forward flow (EDFF) in pulmonary artery. that may be detected in MRI by flowsensitive phase encoding and is indicator of RVEDP
It has been demonstrated that patients with EDFF would have shorter PI and less cardiomegaly and better exercise tolerance that are all protective against right ventricle fulfilling restriction
In patients with less EDFF, the tricuspid flow may be assessed by Doppler echocardiography in most cases; but in patients with PR, the fulfilling of right ventricle is made via both pulmonary and tricuspid valves and in these cases the Doppler echocardiography is not so definite indicator of right ventricle diastolic fulfilling.In these cases the MRI may be a good choice especially if it affects the prognosis and be associated with functional class
Summary
Diastolic dysfunction may be initiated before systolic dysfunction and may help in early diagnosis of ventricular dysfunction.Restriction in right ventricular fulfill status may be presented as end-diastolic forward flow (EDFF) in pulmonary artery. that may be detected in MRI by flowsensitive phase encoding and is indicator of RVEDP. Restriction in right ventricular fulfill status may be presented as end-diastolic forward flow (EDFF) in pulmonary artery.
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