Journal of the American Society of Echocardiography : official publication of the American Society of Echocardiography · 2013
Left ventricular noncompaction in patients with bicuspid aortic valve.
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Agarwal Anushree, Khandheria Bijoy K, Paterick Timothy E, Treiber Shannon C, Bush Michelle, Tajik A Jamil
Аннотация
BACKGROUND: Left ventricular noncompaction (LVNC) is commonly associated with complex congenital anomalies. The association of LVNC with less complex but more frequent anomalies, such as bicuspid aortic valve (BAV), is not well described in the literature. The aims of this study were to (1) determine the incidence of association of LVNC with the most common congenital anomaly, BAV, in an echocardiographic database and (2) describe clinical and imaging characteristics of these patients.
METHODS: An echocardiography database was retrospectively interrogated to identify 109 patients who fulfilled the echocardiographic criteria for BAV from July 1, 2011, to March 31, 2013. Echocardiograms were carefully evaluated to identify patients with concomitant LVNC.
RESULTS: Twelve patients (11.0%) with BAV fulfilled the criteria for LVNC. The mean age at diagnosis was 33 ± 16.9 years; nine of 12 were men. Eight patients (66.7%) had symptoms during initial presentation. The most common BAV morphology was fusion of the right and left coronary cusps. Nine patients had mild or moderate aortic valve dysfunction (aortic regurgitation and/or stenosis), and eight had associated aortopathy. LVNC was located at the apex in all patients except one. Mean systolic global longitudinal strain was -16.9 ± 2.7%.
CONCLUSIONS: In this series of patients, concomitant BAV and LVNC were observed in 11% of a BAV population. Further studies are needed to understand the genetic and pathophysiologic basis of this association.
METHODS: An echocardiography database was retrospectively interrogated to identify 109 patients who fulfilled the echocardiographic criteria for BAV from July 1, 2011, to March 31, 2013. Echocardiograms were carefully evaluated to identify patients with concomitant LVNC.
RESULTS: Twelve patients (11.0%) with BAV fulfilled the criteria for LVNC. The mean age at diagnosis was 33 ± 16.9 years; nine of 12 were men. Eight patients (66.7%) had symptoms during initial presentation. The most common BAV morphology was fusion of the right and left coronary cusps. Nine patients had mild or moderate aortic valve dysfunction (aortic regurgitation and/or stenosis), and eight had associated aortopathy. LVNC was located at the apex in all patients except one. Mean systolic global longitudinal strain was -16.9 ± 2.7%.
CONCLUSIONS: In this series of patients, concomitant BAV and LVNC were observed in 11% of a BAV population. Further studies are needed to understand the genetic and pathophysiologic basis of this association.