Accessory Mitral Valve With Cordal Attachments to Mitral and Aortic Valves

Gaspar, António; Almeida, Jorge; Marinho, Benjamim; Monteiro, Vítor; Abreu, Armando; Pinho, Paulo

doi:10.1161/circulationaha.111.021030

Cited by 3 publications

(1 citation statement)

References 4 publications

(2 reference statements)

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“…Subvalvar aortic stenosis corresponds to about 1% of congenital heart diseases. A rare cause of this congenital condition is the obstruction by an accessory mitral valve tissue, approximately half of these corresponding to an accessory mitral leaflet [ 6 , 7 ]. Discrete subvalvar aortic stenosis represents a unique cardiac lesion.…”

Section: Introductionmentioning

confidence: 99%

Left Ventricle Outflow Obstruction by Reverse-Oriented Tricuspid Semilunar Valve-Like Endocardial Duplicatures

Babál

Kubíková

2018

Case Reports in Cardiology

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A 57-year-old female had a history of hypertension disease, and one year before her death, her ECG showed signs of left ventricle hypertrophy. She died with signs of heart failure with pulmonary edema development. At autopsy, there was left ventricle hypertrophy (wall thickness: 21 mm). In the left ventricle outflow channel, 15 mm below the aortic valve on the muscular wall, there were three white 1–1.5 mm thick membranous semilunar valve-like structures with the sizes of 9, 7, and 5 mm, with concavities opened into the left ventricle, reducing the outflow area by 21.5%. These structures were hanging on the regular muscular ventricular wall, without any visible fibrous anchoring structure and without formation of commissures, and were composed of fine collagen and elastic fibers. Gross anatomy as well as histological structure was different from the subaortic membrane. The reported accessory reverse-oriented tricuspid semilunar valve-like structure is an unusual finding of a structure in the left ventricular outflow tract, to which we could not find an analogy in the available literature.

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Section: Introductionmentioning

confidence: 99%

Left Ventricle Outflow Obstruction by Reverse-Oriented Tricuspid Semilunar Valve-Like Endocardial Duplicatures

Babál

Kubíková

2018

Case Reports in Cardiology

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Accessory mitral valve tissue: anatomical and clinical perspectives

Yetkın

Çuğlan

Turhan

et al. 2021

Cardiovascular Pathology

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Fibrous Cyst of the Chordae Tendineae of the Mitral Valve: Echocardiographic Appearance and Literature Review

et al. 2014

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Fibrous cyst of the chordae tendineae of the mitral valve (MV) is defined as a fibrous cyst arising from the chordae tendineae of the MV. It is extremely rare and its etiology is not clear. We present a case of a cystic structure within the left ventricle. This structure is connected to the anterior MV leaflet and the posterior chordae tendineae. It moves freely, resulting in stenosis of inflow tract and outflow tract of the left ventricle. Intraoperative assessment and histopathologic examination revealed it as a fibrous cyst. Its echocardiographic appearance is unique and it must be resected immediately.

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Accessory Mitral Valve With Cordal Attachments to Mitral and Aortic Valves

Cited by 3 publications

References 4 publications

Left Ventricle Outflow Obstruction by Reverse-Oriented Tricuspid Semilunar Valve-Like Endocardial Duplicatures

Left Ventricle Outflow Obstruction by Reverse-Oriented Tricuspid Semilunar Valve-Like Endocardial Duplicatures

Accessory mitral valve tissue: anatomical and clinical perspectives

Fibrous Cyst of the Chordae Tendineae of the Mitral Valve: Echocardiographic Appearance and Literature Review

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