Imaging-based tricuspid valve anatomy by computed tomography, magnetic resonance imaging, two and three-dimensional echocardiography: correlation with anatomic specimen

Faletra, Francesco F.; Leo, Laura Anna; Paiocchi, Vera Lucia; Schlossbauer, Susanne Anna; Borruso, Maria Giuliana; Pedrazzini, Giovanni; Moccetti, Tiziano; Ho, Siew Yen

doi:10.1093/ehjci/jey136

Cited by 33 publications

(32 citation statements)

References 22 publications

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“…Relative to the short mitral hinge line at the septum, the hinge line of the TV at the The septal leaflet warrants a more in-depth description. Characteristically, much of the septal leaflet is indeed septal and shows thin chordae arising from the interventricular septum and attaching on the ventricular surface of the leaflet [29]. However, it has an anterior portion that continues away from the septum to be supported by the medial papillary muscle (of Lancisi) at the antero-septal commissure.…”

Section: How Many Leaflets Has the Valve?mentioning

confidence: 99%

“…However, due to spatial resolution, studying TV leaflets with CMR may be challenging; blurring and ghost artifacts not rarely may deteriorate image quality. Nevertheless, the ability of steady-state free-precession (SSFP) sequences to obtain strong signal from fat and blood and weak signal from myocardium enables clarification of specific anatomic details of the tricuspid annulus and the pyramidal space [ 29 ]. Needless to say, CMR is the gold standard for evaluating right ventricular size and function and may be useful in grading TR in challenging cases.…”

Section: Which Is the Best Noninvasive Imaging Technique To Visualize Tv?mentioning

confidence: 99%

“…Over the last 10 years, a significant number of papers have been published describing the TV anatomy. [ 22 , 23 , 24 , 25 , 26 , 27 , 28 , 29 ].…”

Section: Introductionmentioning

confidence: 99%

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Multimodality Imaging of the Anatomy of Tricuspid Valve

Schlossbauer

Faletra

Paiocchi

et al. 2021

JCDD

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Even though the tricuspid valve is no longer “forgotten”, it still remains poorly understood. In this review, we focus on some controversial and still unclear aspects of tricuspid anatomy as illustrated by noninvasive imaging techniques. In particular, we discuss the anatomical architecture of the so-called tricuspid annulus with its two components (i.e., the mural and the septal annulus), emphasizing the absence of any fibrous “ring” around the right atrioventricular junction. Then we discussed the extreme variability in number and size of leaflets (from two to six), highlighting the peculiarities of the septal leaflet as part of the septal atrioventricular junction (crux cordis). Finally, we describe the similarities and differences between the tricuspid and mitral valve, suggesting a novel terminology for tricuspid leaflets.

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Section: How Many Leaflets Has the Valve?mentioning

confidence: 99%

Section: Which Is the Best Noninvasive Imaging Technique To Visualize Tv?mentioning

confidence: 99%

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Multimodality Imaging of the Anatomy of Tricuspid Valve

Schlossbauer

Faletra

Paiocchi

et al. 2021

JCDD

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“…With the exclusion of the small septal area, the EAT covers the entire C-shaped AV groove around the tricuspid valve orifice. [17] As for the left AV groove, this anatomical arrangement assures an excellent electrical insulation between the atrial and the ventricular myocardium [Figure 7].…”

Section: The Right Atrioventricular Groove and The Tricuspid Annulusmentioning

confidence: 99%

The Intrusive nature of epicardial adipose tissue as revealed by cardiac magnetic resonance

Leo

Paiocchi

Schlossbauer

et al. 2019

J Cardiovasc Echography

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The epicardial adipose tissue (EAT) refers to the deposition of adipose tissue fully enclosed by the pericardial sac. EAT has a complex mixture of adipocytes, nervous tissue, as well as inflammatory, stromal and immune cells secreting bioactive molecules. This heterogeneous composition reveals that it is not a simply fat storage depot, but rather a biologically active organ that appears playing a “dichotomous” role, either protective or proinflammatory and proatherogenic. The cardiac magnetic resonance (CMR) allows a clear visualization of EAT using a specific pulse sequence called steady-state free precession. When abundant, the EAT assumes a pervasive presence not only covering the entire epicardial surface but also invading spaces that usually are almost virtual and separating walls that usually are so close each other to resemble a single wall. To the best of our knowledge, this aspect of cardiac anatomy has never been described before. In this pictorial review, we therefore focus our attention on certain cardiac areas in which EAT, when abundant, is particularly intrusive. In particular, we describe the presence of EAT into: (a) the interatrial groove, the atrioventricular septum, and the inferior pyramidal space, (b) the left lateral ridge, (c) the atrioventricular grooves, and (d) the transverse pericardial sinus. To confirm the reliability in depicting the EAT distribution, we present CMR images side-by-side with corresponding anatomic specimens.

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“…For example, Praz et al. ( 8 ) outlined an algorithm for successful pre-procedural planning for valve selection based on simulation by CT scanning of 21 patients with severe MAC who underwent hybrid transatrial TMVR ( 11 ).…”

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confidence: 99%