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Matches in SemOpenAlex for { <https://semopenalex.org/work/W2018343753> ?p ?o ?g. }

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• W2018343753 abstract "We studied whether evaluation of overall left ventricular (LV) and left atrial (LA) mechanics would be useful to detect subclinical dysfunction in patients with mitral valve prolapse (MVP), mitral regurgitation (MR), and normal LV ejection fraction (EF). Fifty consecutive patients (27 men, mean age 61 ± 19 years) with MVP, MR, and normal systolic function (LVEF ≥60%) were prospectively enrolled and compared with 40 age- and gender-matched healthy subjects (22 men, mean age: 59 ± 16 years). At baseline, 2-dimensional and color-flow Doppler transthoracic echocardiography were performed for MR quantification and analysis of left-chambers mechanics. Patients were divided into groups by severity of MR: mild (n = 14), moderate (n = 19), and severe (n = 17). Left ventricular dimensions, volume and mass, and LA area and volume indices were significantly increased in patients with moderate and severe MR compared with control subjects. Circumferential strain, basal/apical rotations, and twist were significantly enhanced in patients with moderate MR compared with controls; with the exception of basal rotation, they decreased in those with severe MR. Furthermore, LA strain and untwisting rate were progressively and significantly reduced from normal subjects to patients with severe MR. Effective regurgitant orifice area and MR vena contracta were significantly related to most systolic and diastolic function parameters and LA volume as well as LA strain and LV untwisting rate in all patients. In conclusion, cardiac mechanics indices, particularly LA deformation and LV rotational parameters, could help unmask incipient myocardial dysfunction in patients with MVP, especially in those with severe MR and yet normal LVEF." @default.
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• W2018343753 date "2013-10-01" @default.
• W2018343753 modified "2023-09-23" @default.
• W2018343753 title "Myocardial Deformation and Rotational Profiles in Mitral Valve Prolapse" @default.
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• W2018343753 doi "https://doi.org/10.1016/j.amjcard.2013.05.031" @default.
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