Assessment of the anatomical variation to be found in the normal tricuspid valve

Tretter, Justin T.; Sarwark, Anne E.; Anderson, Robert H.; Spicer, Diane E.

doi:10.1002/ca.22591

Cited by 50 publications

(32 citation statements)

References 15 publications

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“…In these latter hearts, the triangle of Koch no longer serves as a landmark to the location of the atrioventricular node. The medial papillary muscle, when identifiable, was highly variable in both its size and the presence of single or multiple heads, comparable to the findings seen in the normal heart [5]. Its position relative to the defects themselves was also highly variable.…”

Section: Resultsmentioning

confidence: 67%

Assessing the criteria for definition of perimembranous ventricular septal defects in light of the search for consensus

Tretter

Tran

Gray

et al. 2019

Orphanet J Rare Dis

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Background Discussions continue as to whether ventricular septal defects are best categorized according to their right ventricular geography or their borders. This is especially true when considering the perimembranous defect. Our aim, therefore, was to establish the phenotypic feature of the perimembranous defect, and to establish the ease of distinguishing its geographical variants. Methods and results We assessed unrepaired isolated perimembranous ventricular defects from six historic archives, subcategorizing them using the ICD-11 coding system. We identified 365 defects, of which 94 (26%) were deemed to open centrally, 168 (46%) to open to the outlet, and 84 (23%) to the inlet of the right ventricle, with 19 (5%) being confluent. In all hearts, the unifying phenotypic feature was fibrous continuity between the leaflets of the mitral and tricuspid valves. This was often directly between the valves, but in all instances incorporated continuity through the atrioventricular portion of the membranous septum. In contrast, we observed fibrous continuity between the leaflets of the tricuspid and aortic valves in only 298 (82%) of the specimens. When found, discontinuity most commonly was seen in the outlet and central defects. There were no discrepancies between evaluators in distinguishing the borders, but there was occasional disagreement in determining the right ventricular geography of the defect. Conclusions The unifying feature of perimembranous defects, rather than being aortic-to-tricuspid valvar fibrous continuity, is fibrous continuity between the leaflets of the atrioventricular valves. While right ventricular geography is important in classification, it is the borders which are more objectively defined.

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Section: Resultsmentioning

confidence: 67%

Assessing the criteria for definition of perimembranous ventricular septal defects in light of the search for consensus

Tretter

Tran

Gray

et al. 2019

Orphanet J Rare Dis

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“…The anatomy of tensor apparatus of TV, which comprehends the papillary muscles and chordae tendinae (14), play a pivotal role in TV repair even more when a cryopreserved homografts were used (15)(16)(17)(18). The subvalvular apparatus of the TV is formed by the anterior and posterior papillary muscles and by a third papillary muscle whose existence is variable.…”

Section: Subvalvular Apparatusmentioning

confidence: 99%

The quest for the optimal surgical management of tricuspid valve endocarditis in the current era: a narrative review

Nappi¹,

Spadaccio²,

Mihos

et al. 2020

Ann Transl Med

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Tricuspid valve endocarditis (TVE) is a growing concern with increasing rates and mortality burden. The currently changing etiology, the antibiotic resistance and the raise in iatrogenic causes as with implantable cardiac devices [cardiac implantable electronic device (CIED)], represent a challenge for the management of these patients. The progressively widespread use of CIEDs is adding to the more commonly known intravenous (IV) drug abuse in the list of causes. Treatment strategies include medical therapy alone or surgery. From the surgical standpoint tricuspid valve repair, replacement or the staged procedure of valvectomy as bridge to replacement are available options. Treatment of endocarditis related to implantable device is another expanding field which requires a coordinated action with microbiologists in consideration of the microorganism antibiotic resistance. This review summarizes the currently available evidences on TVE including surgical indications, timing of interventions and technical considerations. The conflicting results of the available observational evidences and the non-unanimous consensus on many aspects of TVE impede to reach a definitive conclusion regarding the best management strategy and demands for randomized studies in this field.

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“…Some cardiac structures have congenital discrepancies among individuals. For example, there exists an apparent variability in the relationship among the components of the tricuspid valve (Tretter, Sarwark, Anderson, & Spicer, 2016). And the papillary muscles vary markedly in their numbers, shapes, and patterns in both ventricles (Saha & Roy, 2018;Xanthos, Dalivigkas, & Ekmektzoglou, 2011).…”

Section: Rele Vant Anatomymentioning

confidence: 99%

Electrocardiographic characteristics of idiopathic ventricular arrhythmias based on anatomy

Xiong

Zhu

2020

Noninvasive Electrocardiol

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Assessment of the anatomical variation to be found in the normal tricuspid valve

Cited by 50 publications

References 15 publications

Assessing the criteria for definition of perimembranous ventricular septal defects in light of the search for consensus

Assessing the criteria for definition of perimembranous ventricular septal defects in light of the search for consensus

The quest for the optimal surgical management of tricuspid valve endocarditis in the current era: a narrative review

Electrocardiographic characteristics of idiopathic ventricular arrhythmias based on anatomy

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