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- W4229374548 abstract "Even in the absence of significant valvular disease, patients with Marfan syndrome (MFS) have evidence of impaired left ventricular (LV) performance, suggestive of a primary cardiomyopathy. However, the true prevalence and long-term outcomes of this disease process remain largely unknown. We performed a retrospective analysis of all adult patients with confirmed MFS followed at Stanford Health Care. Those with significant valvular regurgitation, coronary artery disease, or previous cardiac surgery were excluded. LV systolic dysfunction was defined as a LV ejection fraction (LVEF) <55% on transthoracic echocardiography. A total of 753 patients with confirmed MFS were followed up over a median duration of 8 years (interquartile range 4 to 13). Of those, 241 patients (53% women, 71% White) met inclusion criteria and comprised the study cohort. LV systolic dysfunction was present in 30 patients (12%), with a median age of onset of 25 years (interquartile range 19 to 37), median EF of 52% (interquartile range 48 to 54), and evidence of clinical heart failure (New York Heart Association functional class ≥II) in 10% of patients. LV systolic dysfunction was more common in patients with larger aortic root diameters (≥4.0 cm: Odds ratio = 4.5, 95% confidence interval = 1.2 to 17.1) but was not associated with other cardiovascular manifestations of MFS or traditional atherosclerotic risk factors. In conclusion, apart from significant valvular pathology, LV systolic dysfunction was prevalent in MFS from a young age, suggestive of a primary cardiomyopathy. LV dysfunction was typically mild and subclinical and occurred more commonly in patients with more pronounced aortopathies." @default.
- W4229374548 created "2022-05-10" @default.
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- W4229374548 date "2022-07-01" @default.
- W4229374548 modified "2023-09-27" @default.
- W4229374548 title "Prevalence and Outcomes of Primary Left Ventricular Dysfunction in Marfan Syndrome" @default.
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- W4229374548 doi "https://doi.org/10.1016/j.amjcard.2022.04.012" @default.
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