Determinants of outcome in fetal pulmonary valve stenosis or atresia with intact ventricular septum

KS Roman, JC Fouron, M Nii, JF Smallhorn… - The American journal of …, 2007 - Elsevier
Pulmonary valve stenosis or atresia with intact ventricular septum represents a spectrum of
severity. This study aimed to identify ultrasound markers of biventricular versus non …

Assessment of fetal atrioventricular time intervals by tissue Doppler and pulse Doppler echocardiography: normal values and correlation with fetal electrocardiography

M Nii, RM Hamilton, L Fenwick, KS Roman, ET Jaeggi - Heart, 2006 - heart.bmj.com
Objective: To establish gestational age-specific reference values of normal fetal
atrioventricular (AV) time interval by spectral tissue Doppler imaging (TDI) and pulse-wave …

Three-dimensional tricuspid annular function provides insight into the mechanisms of tricuspid valve regurgitation in classic hypoplastic left heart syndrome

M Nii, V Guerra, KS Roman, CK Macgowan… - Journal of the American …, 2006 - Elsevier
BACKGROUND: Tricuspid regurgitation (TR) has a negative impact on outcome in
hypoplastic left heart syndrome (HLHS). There is a paucity of data assessing the …

Comparative imaging of differential pulmonary blood flow in patients with congenital heart disease: magnetic resonance imaging versus lung perfusion scintigraphy

KS Roman, CJ Kellenberger, S Farooq… - Pediatric …, 2005 - Springer
Background: Lung perfusion scintigraphy is considered the gold standard to assess
differential pulmonary blood flow while magnetic resonance (MR) has been shown to be an …

How is pulmonary arterial blood flow affected by pulmonary venous obstruction in children? A phase-contrast magnetic resonance study

KS Roman, CJ Kellenberger, CK Macgowan, J Coles… - Pediatric …, 2005 - Springer
Background: Hemodynamic changes within a stenosed pulmonary vein might not reflect the
severity of the obstruction if redistribution of pulmonary artery flow occurs. Objective: The …

Assessment of the evolution of normal fetal diastolic function during mid and late gestation by spectral Doppler tissue echocardiography

M Nii, KS Roman, J Kingdom, AN Redington… - Journal of the American …, 2006 - Elsevier
OBJECTIVE: To establish gestational age–specific reference values in healthy singleton
fetuses, we prospectively assessed the evolution of diastolic longitudinal wall-motion …

Insight into normal mitral and tricuspid annular dynamics in pediatrics: a real-time three-dimensional echocardiographic study

M Nii, KS Roman, CK Macgowan… - Journal of the American …, 2005 - Elsevier
BACKGROUND: Although there are animal or adult studies analyzing annular motion of the
mitral valve (MV) or tricuspid valve (TV) separately, there are no data analyzing interaction …

Impact of multiplanar review of three-dimensional echocardiographic data on management of congenital heart disease

T Bharucha, KS Roman, RH Anderson… - The Annals of thoracic …, 2008 - Elsevier
BACKGROUND: In patients with congenital cardiac malformations, accurate diagnosis is
critical in diagnosis and management. The multiplanar review mode (MPR) allows the …

Three-dimensional echocardiography improves the understanding of the mechanisms and site of left atrioventricular valve regurgitation in atrioventricular septal defect

K Takahashi, V Guerra, KS Roman, M Nii… - Journal of the American …, 2006 - Elsevier
OBJECTIVES: The purpose of this study was to determine whether 3-dimensional
echocardiography (3DE) provides additional information regarding the mechanisms and …

Real-time subcostal 3-dimensional echocardiography for guided percutaneous atrial septal defect closure

KS Roman, M Nii, F Golding, LN Benson… - Circulation, 2004 - Am Heart Assoc
We report the closure of a secundum atrial septal defect (ASD) using subcostal real-time 3-
dimensional (3D) echocardiographic guidance. A 6-year-old girl (wt 22.6 Kg) with a 9-mm …