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Archivos de cardiología de México

versión On-line ISSN 1665-1731versión impresa ISSN 1405-9940

Arch. Cardiol. Méx. vol.88 no.5 Ciudad de México dic. 2018  Epub 04-Dic-2020

https://doi.org/10.1016/j.acmx.2017.10.004 

Cartas científicas

Transcatheter mitral valve-in-valve implantation in patients with degenerated bio-prostheses - Experience of a Centre in Mexico

Implantación valvular mitral transcatéter ‘‘valve-in-valve’’ en pacientes con bio-prótesis degeneradas - Experiencia de un centro en México

José Alfredo Merino-Rajmea 

Héctor Hugo Escutia Cuevasb   

Marco Antonio Alcántara-Meléndeza 

Ernesto Fernández-Ceseñaa 

Juán Francisco García-Garcíaa 

José Luis Fujigaki-Zaldívarb 

Julieta Danira Morales-Portanob 

Roberto Muratalla-Gonzáleza 

a Hemodinámica y Cardiología Intervencionista, Centro Médico Nacional 20 de Noviembre, ISSSTE, Ciudad de México, Mexico

b División de Cardiología, Centro Médico Nacional 20 de Noviembre, ISSSTE, Ciudad de México, Mexico


Transcatheter ‘‘valve-in-valve’’ (VIV) implantation into a deteriorated mitral bioprosthesis is an uncommon technique worldwide. Reintervention of a mitral degenerated valve is associated with an elevated surgical risk, especially in elderly patients with multiple comorbidities. This technique provides an alternative to conventional surgery that avoids myocardial dissection, extracorporeal circulation, and myocardial ischemia.1 Most prostheses are implanted via a transapical approach; however, another route to access the degenerated prostheses is through the femoral vein, followed by perforation of the interatrial septum and anterograde valve implantation.2 Herein we present the first experience with this technique performed in our facilities and for our concern the first in Latin America.

From January to December 2016, 3 patients (age 74 ± 12 years) were admitted in our institution with signs of valve dysfunction long term after bio-prosthetic mitral valve replacement (MVR), 2 patients received transseptal implantation and 1 patient transapical implantation of a balloon-expandable pericardial heart valve into a degenerated bioprosthesis (range 24---29 mm) in mitral position at our institution. All patients were considered in high risk for surgical valve replacement (EuroSCORE II 15.755.75 ± 7.6%, STS PROM Society of Thoracic Surgeons predicted risk of mortality 14.69 ± 4.8%) (Table 1) after the Heart Team evaluation, therefore were eligible for a VIV procedure via a transseptal or transapical approach.

Implantation was successful in all patients, 2 patients received transseptal implantation with an Edwards Sapien XT (Edwards Lifesciences, Irvine, California) valve (#23 and #29) and 1 patient transapical implantation with an Edwards Sapien (Edwards Lifesciences, Irvine, California) #26 valve into a degenerated bioprosthesis (range 24---29 mm) in mitral position. Ecocardiography showed a reduction of mean transvalvular gradients from 18.5 ± 9.5 mm Hg to 3 ± 1 mm Hg, with no paravalvular regurgitation remaining, the systolic pulmonary artery pressure (SPAP) had a reduction from 92.5 ± 12.5 mm Hg to 50 ± 10 mm Hg (Table 2). One patient with the transseptal approach developed a hospital acquired pneumonia and sepsis, then evolves into a septic shock and died 10 days after the procedure. In the remaining patients the New York Heart Association (NYHA) functional class improved from 3.0 to 1.0, over a mean follow-up of 227 (IQR: 90---365) days.

Although the amount of patients reported is small, it exhibits that transapical and transseptal mitral VIV implantation can be feasible in high surgical risk patients, and showed favorable clinical and hemodynamic results in short and medium-term follow-up with low morbidity and low mortality. All patients improved NYHA functional class and had an important reduction in the transvalvular gradients and SPAP however; one of the patients died, cannot be attributed to the procedure.

Among the first multicenter registries: Webb et al. described the results of 23 consecutive patients successfully treated with transcatheter valve implantation through a transapical approach. The success rate of the device was 100%. There was no intra-procedural or 30-day mortality. With a median follow-up of 753 days, the survival rate was 90.4%. Clinical improvement in NYHA class I/II heart failure symptoms was observed in all patients except one (95.6%).3 Favorable results have been reported in cases of implantation through a transseptal approach using the Sapien XT (Edwards Lifesciences, Irvine, California) valve,4 and the Melody (Medtronic, Santa Rosa, California) valve5,6 although the great majority of successful cases have used a transapical approach.3,7---9 The Dvir group reported results on 70 patients enrolled in the global VIVID registry (11.4% valve-in-ring, 88.6% valve-in-valve). All patients were treated with Sapien (Edwards Lifesciences, Irvine, California) valve (23 mm 22.9%, 26 mm 58.6%, and 29 mm 18.6%). Transapical access was used in 85.7%, transeptal in 10% and transatrial in 4.3%. Malposition of the device occurred at 4.3%. The 30-day all-cause mortality rate was 10.3% and 82.3% of the patients remained in the I---II functional class at 30 days.10 The transseptal approach can be feasible in selected patients if the transapical approach is not possible for anatomic reasons or due to the surgical experience in the center.

References

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2. Gopalamurugan AB, Pantazis A, Schievano S. Percutaneous transvenous mitral valve implantation. J Am Coll Cardiol. 2013;61:e143. [ Links ]

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10. Dvir D, Webb J, Schafer U, et al. Transcatheter mitral valve-in-valve/valve-in-ring implantations for degenerative post-surgical valves: results from the global valve-in-valve reg- istry. J Am Coll Cardiol. 2013;62(18 S1):B30. [ Links ]

Financing The authors did not receive any payment or economic benefit for the preparation and execution of the article.

Corresponding author at: Avenida Coyoacán 1617, Interior APH7, Colonia Del Valle Sur, Delegación Benito Juárez, Ciu- dad de México, Mexico. Tel.: +52 55 39386401. E-mail address: perseoyarista@hotmail.com(H.H. Escutia- Cuevas).

Conflict of interests

The authors declare do not have conflict of interest.

Creative Commons License This is an open-access article distributed under the terms of the Creative Commons Attribution License