Corrected Tetralogy of Fallot: Delayed Enhancement in Right Ventricular Outflow Tract

Oosterhof, Thomas; Mulder, Barbara J.M.; Vliegen, Hubert W.; Roos, Albert de

doi:10.1148/radiol.2373041324

Cited by 99 publications

(67 citation statements)

References 16 publications

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“…73,74 MRI information often obviates the need for cardiac catheterization. Delayed enhancement in the RV outflow tract has also correlated with RV dysfunction and poor outcomes 75 and provides evidence for RV-LV interaction. Radionuclide angiography is often used to quantify RV function.…”

Section: Associated Laboratory Studiesmentioning

confidence: 90%

Adult Congenital Heart Disease

Bashore

2007

Circulation

127

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It has variably been estimated that between 800 000 and 1 million patients with congenital heart disease are now adults and that by 2010 more patients older than 16 years will undergo surgery for congenital heart disease than those younger than 16 years. 1 This review will focus on the clinical aspects of identifying and caring for the portion of the unique population that have right ventricular (RV) outflow tract lesions. Clinical Morphology of the RV Outflow TractThe left ventricle (LV) and RV both have inlet, apical, and outlet portions, although they differ considerably. 2 The inlet of the RV includes the tricuspid valve, and it is separated from the pulmonary valve (PV) by the crista supraventricularis. This structure results in the PV being raised upward. The apical portion of the RV has coarse trabeculations. As shown in Figure 1, the septum is home to a large septomarginal (septal) trabeculation that divides into the anterior and posterior limbs in the outflow tract. A series of septoparietal trabeculations arise along the free wall. The crista supraventricularis inserts between these limbs and is made up of 3 components: the muscular outlet septum, the ventriculoinfundibular fold, and the inner curvature of the RV. 3 The small part that separates the RV and LV cavities is the outlet or conal septum. A loop including the septal trabeculation, the moderator band, septoparietal trabeculations, and the outlet septum can be conceptualized as circling the RV outflow tract. The PV is supported by the circular muscular infundibulum rising outside the RV proper. Abnormalities involving the RV outflow tract involve malpositioning of 1 or more of these structures.

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Section: Associated Laboratory Studiesmentioning

confidence: 90%

Adult Congenital Heart Disease

Bashore

2007

Circulation

127

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“…These are also the best images for evaluation of a focal or diffuse RVOT aneurysm (Fig 13). Delayed contrast-enhanced images can show extensive areas of enhancement due to both fibrotic tissue enveloping the patch and adjacent areas of fibrosis (Fig 7) (19).…”

Section: Problems Related To Transannular Patch Repairmentioning

confidence: 99%

“…It consists of a functional stenosis of the proximal left pulmonary artery due to an enlarged RVOT that elongates cranially and rotates to the left, since its motion is limited by the right aortic arch (19). Both DIR-SE and SSFP cine images can demonstrate an acute angle in the origin of the left pulmonary artery associated with an enlarged RVOT and right aortic arch (Fig 21).…”

Section: Problems Occurring Regardless Of the Type Of Rvot Augmentatimentioning

confidence: 99%

Cardiovascular MR Imaging after Surgical Correction of Tetralogy of Fallot: Approach Based on Understanding of Surgical Procedures

Ordovás¹,

Muzzarelli²,

Hope³

et al. 2013

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“…The affected areas included papillary muscles (sarcoid), the mid-myocardium (Anderson-Fabry disease, glycogen storage disease, myocarditis, Becker, and Duchenne muscular dystrophy) and the global subendocardium (systemic sclerosis, Loeffler's endocarditis, amyloid, and ChurgStrauss). Focal myocardial late gadolinium enhancement is found in the specific cardiomyopathies, and the pattern is distinct from that seen in myocardial infarction, recent studies have demonstrated right ventricular late gadolinium enhancement in patients with congenital heart disease and right ventricular loading conditions [14,23]. Myocardial preservation is likely a multifactorial process that may affect the right and left ventricles differently [24][25][26][27][28].…”

mentioning

confidence: 99%

“…Magnetic resonance angiography (MRA) was recently introduced as a method that can provide visualization of all three major coronary arteries, coronary bypasses, and the aorta within a single three-dimensional acquisition [11,12]. CMR has become the first choice imaging modality in complex congenital heart disease [13][14][15][16] and imaging great vessels [17,18]. In recent years, late gadolinium enhancement CMR has also been used to visualize myocardial interstitial abnormalities.…”

mentioning

confidence: 99%