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3D Transesophageal echocardiography in the evaluation of acute severe mitral regurgitation after mitral valve annuloplasty

Session Poster Session 3

Speaker Inmaculada Noval Morillas

Congress : Acute Cardiovascular Care 2019

  • Topic : imaging
  • Sub-topic : Echocardiography
  • Session type : Poster Session
  • FP Number : P833

Authors : I Noval Morillas (Cadiz,ES), F Garcia Lanzas (Cadiz,ES), A Chauca Tapia (Cadiz,ES), P Cabeza Lainez (Cadiz,ES)

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Authors:
I Noval Morillas1 , F Garcia Lanzas1 , A Chauca Tapia1 , P Cabeza Lainez1 , 1University Hospital Puerta del Mar, Cardiology - Cadiz - Spain ,

Citation:

Introduction:
Mitral annuloplasty rings are implanted at the time of surgial repair to support the mitral valve leaflets and prevent further distortion.

Annuloplasty rings are secured by numerous sutures around the edge into the mitral annular tissue. If these tissues are fragile or heavily calcified then the sutures can pullthrough. Dehiscence of an annuloplasty ring is a rare event following mitral valve repair and a rare cause of recurrent mitral regurgitation post repair.

Clinical Case:
We describe a 66 year-old man, who had been followed for moderate mitral regurgitation and he was admitted in the emergency departament due to acute pulmonary oedema. A transthoracic echocardiography (TTE)was perfomed demostrating severe mitral regurgitation due to posterior prolapse. The transesophageal echocardiography (TEE) showed a P2-P3 prolapse with a 3D ERO of 0.5 cm² and systolic inversion of the pulmonary venous flow. The heart team decided surgical treatment and a mitral valve repair was carried out with a 29 mm anuloplasty ring plus Alfieri technique over the septal commissure. The patient was discharged with a normal TTE.
Two years after surgery, with suspicion of mitral ring dehiscence in the TTE, a new TEE was performed demostrating a large area of crescent shaped ring dehiscence extending from 4 to 9 o’clock on the surgeon’s view of mitral valve, without mitral regurgitation. The TEE was again performed the next year with the same TEE image, size and mitral function (Figure 1); so conservative treatment of the dehiscence was decided.

Conclusion:
Real-time 3-dimensional echocardiography is a valuable tool in the diagnosis of heart disease, especially for mitral valve pathology, its optimal localization, extension, and mechanism.

It simplifies communication and visualization of echocardiographic findings between the anesthesiology and surgical teams. In emergent as well as non emergent procedures, it provides a prompt and accurate diagnosis of mitral valve pathology for immediate decision making and treatment.

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It is now only available year-round to ACCA Ivory (& above) Members, Fellows of the ESC and Young combined Members



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