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Aim: The aim of this study was to evaluate whether left ventricular size was increased in patients with classic bileaflet mitral valve prolapse (MVP) in the absence of significant mitral regurgitation (MR). Method: Patients with classic bileaflet MVP were included as the case group. Two different control groups were established. The first control group was composed of the patients with mild MR caused by the reasons except MVP. The second control group consisted of healthy individuals whose echocardiograms were normal. The patients with moderate or severe MR and having abnormality in the other valves were excluded. Results: There were 20 patients in each group. Systolic and diastolic diameters and volumes of left ventricle (LV) in the MVP group were significantly higher than those in the control groups. In 10 of the patients in the MVP group, LV internal diastolic diameter (LVIDD) values were measured as ≥5.7 cm, whereas increased LVIDD value was detected in only one patient in the other two control groups. There was a significant difference in terms of the presence of increased LVIDD values between the MVP group and the control groups. Despite this enlargement in the LV dimension, the LV ejection fractions were found similar in all groups. Furthermore, it was found that the lengths of both anterior and posterior mitral leaflets in MVP group were significantly higher than those in the control groups. Conclusion: The LV diameters and volumes of patients with classic bileaflet MVP were found to be increased even in the absence of significant MR. These results need to be supported by large-scale clinical studies. (Echocardiography ****;**:1-7).
GMMA, Haydarpasa Training Hospital, Cardiology Division, Istanbul, Turkey University of Sakarya, Turkey.
This article was published in the following journal.
Name: Echocardiography (Mount Kisco, N.Y.)
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Abnormal protrusion or billowing of one or both of the leaflets of MITRAL VALVE into the LEFT ATRIUM during SYSTOLE. This allows the backflow of blood into left atrium leading to MITRAL VALVE INSUFFICIENCY; SYSTOLIC MURMURS; or CARDIAC ARRHYTHMIA.
Backflow of blood from the LEFT VENTRICLE into the LEFT ATRIUM due to imperfect closure of the MITRAL VALVE. This can lead to mitral valve regurgitation.
The valve between the left atrium and left ventricle of the heart.
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The downward displacement of the cuspal or pointed end of the trileaflet AORTIC VALVE causing misalignment of the cusps. Severe valve distortion can cause leakage and allow the backflow of blood from the ASCENDING AORTA back into the LEFT VENTRICLE, leading to aortic regurgitation.
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