PMC10328128_01
Transesophageal multiplane 3D-reconstruction. 3D = Three dimensional
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The length was about 2 cm, and thickness was 3 mm [Figure 1 and Video 1].
PMC10328128_02
Transesopgaheal four chamber view of mitral valve
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TEE revealed an anomalous thin and mobile band attached to the atrial wall close to the lateral commissure and crossing the mitral valve during the diastole [Figure 2 and Video 2].
PMC10328128_03
Transtoracic 3D-reconstruction of the mitral valve seen "en face" from the left atrium (upper left) and multiplanar reconstruction. The tendon is attached to the thickened edge of the anterior leaflet (arrows). 3D = Three dimensional
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Transthoracic two chamber apical view (left) and transesophageal multiplane 3D-reconstruction (right)
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At a 9-month follow-up, there was no relapses of tachycardia [Figure 4 and Video 4].
PMC10328128_04
Transesophageal surgical view of left atrial appendage outlet (left) and mitral valve (right)
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TTE, the prosthesis showed normal function and no vegetations, but two filamentous masses were present in the left atrium. The TEE allowed to better characterize the anatomy of the two masses: the first, thin and very mobile, originated at the outlet of the left atrial appendage projecting its free edge into the left atrial cavity and the second, thin, was fixed, like a bridge, between the mitroaortic membrane and the mitral annulus [Figure 5 and Video 5].
PMC10328128_05
Transesopgaheal four chamber view (left) and 3D-surgical view (right). 3D = Three dimensional
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TEE was performed to exclude endocarditis. 3D TEE revealed an anomalous muscular band attached to the atrial wall close to the lateral commissure [Figure 6 and Video 6].