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Valvuloplasty Without Prosthetic Ring or Band in Patients with Degenerative Mitral Regurgitation: Long-Term Results and Predictive Factors for Outcomes
Kalil, Renato A. K.; Belli, Karlyse C.; Mattos, Mariana O. T. de; Sffair, Rita de Cássia E.; Santos, Sarah Ceolin Stein; Fagundes, Vitória Recuero; Abrahão, Rogério de Souza; Albrecht, Álvaro Schmidt; SantAnna, João Ricardo Michielin; Prates, Paulo Roberto; Nesralla, Ivo Abrahão; Pivatto Júnior, Fernando.
  • Kalil, Renato A. K.; Fundação Universitária de Cardiologia. Instituto de Cardiologia do Rio Grande do Sul. Cardiovascular Surgery Service. Porto Alegre. BR
  • Belli, Karlyse C.; Fundação Universitária de Cardiologia. Instituto de Cardiologia do Rio Grande do Sul. Cardiovascular Surgery Service. Porto Alegre. BR
  • Mattos, Mariana O. T. de; Universidade Federal de Ciências da Saúde de Porto Alegre. Surgery Department. Porto Alegre. BR
  • Sffair, Rita de Cássia E.; Fundação Universitária de Cardiologia. Instituto de Cardiologia do Rio Grande do Sul. Cardiovascular Surgery Service. Porto Alegre. BR
  • Santos, Sarah Ceolin Stein; Fundação Universitária de Cardiologia. Instituto de Cardiologia do Rio Grande do Sul. Cardiovascular Surgery Service. Porto Alegre. BR
  • Fagundes, Vitória Recuero; Universidade Federal de Ciências da Saúde de Porto Alegre. Surgery Department. Porto Alegre. BR
  • Abrahão, Rogério de Souza; Fundação Universitária de Cardiologia. Instituto de Cardiologia do Rio Grande do Sul. Cardiovascular Surgery Service. Porto Alegre. BR
  • Albrecht, Álvaro Schmidt; Fundação Universitária de Cardiologia. Instituto de Cardiologia do Rio Grande do Sul. Cardiovascular Surgery Service. Porto Alegre. BR
  • SantAnna, João Ricardo Michielin; Fundação Universitária de Cardiologia. Instituto de Cardiologia do Rio Grande do Sul. Cardiovascular Surgery Service. Porto Alegre. BR
  • Prates, Paulo Roberto; Fundação Universitária de Cardiologia. Instituto de Cardiologia do Rio Grande do Sul. Cardiovascular Surgery Service. Porto Alegre. BR
  • Nesralla, Ivo Abrahão; Fundação Universitária de Cardiologia. Instituto de Cardiologia do Rio Grande do Sul. Cardiovascular Surgery Service. Porto Alegre. BR
  • Pivatto Júnior, Fernando; Fundação Universitária de Cardiologia. Instituto de Cardiologia do Rio Grande do Sul. Cardiovascular Surgery Service. Porto Alegre. BR
Rev. bras. cir. cardiovasc ; 36(4): 476-483, July-Aug. 2021. tab, graf
Artículo en Inglés | LILACS | ID: biblio-1347159
ABSTRACT
Abstract

Introduction:

Mitral valvuloplasty including ring/band support is widely performed despite potential drawbacks of rings. Unsupported valvuloplasty is performed in only a few centers. This study aimed to report long-term outcomes of patients undergoing unsupported valvuloplasty for degenerative mitral regurgitation (MR) and to identify predictive factors for outcomes.

Methods:

This is a retrospective cohort including patients undergoing mitral valve repair for degenerative MR from 2000 to 2018. The main techniques were Wooler annuloplasty and quadrangular resection. Kaplan-Meier curves and Cox regression models were used for statistical analysis.

Results:

One hundred fifty-eight patients were included (median age 64.0 years). In-hospital mortality was 2.5%. Maximum follow-up was 19.6 years, with a median of 4.7 years (992 patient-years). Overall survival at 5, 10, and 15 years was 91.0% (95% confidence interval [CI] 85.7-96.3), 87.6% (95% CI 80.7-94.5), and 78.1% (95% CI 65.9-90.3), respectively. The European System for Cardiac Operative Risk Evaluation (EuroSCORE) II was an independent predictor of late death (hazard ratio [HR] 1.42; P=0.016). Freedom from mitral reoperation at 5, 10, and 15 years was 88.1% (95% CI 82.0-94.2), 82.4% (95% CI 74.6-90.2), and 75.7% (95% CI 64.1-87.3), respectively. Left atrial diameter > 56 mm was associated with late reintervention in univariate analysis (HR 1.06; P=0.049).

Conclusion:

Degenerative MR can be successfully treated with repair techniques without annular support, thus avoiding the technical and logistical drawbacks of ring/band implantation while maintaining good long-term results. EuroSCORE II was a risk factor for late death, and larger left atrium was associated with late reoperation.
Asunto(s)


Texto completo: Disponible Índice: LILACS (Américas) Asunto principal: Implantación de Prótesis de Válvulas Cardíacas / Anuloplastia de la Válvula Mitral / Insuficiencia de la Válvula Mitral Tipo de estudio: Estudio de etiología / Estudio observacional / Estudio pronóstico / Factores de riesgo Límite: Humanos Idioma: Inglés Revista: Rev. bras. cir. cardiovasc Asunto de la revista: Cardiología / Cirugía General Año: 2021 Tipo del documento: Artículo País de afiliación: Brasil Institución/País de afiliación: Fundação Universitária de Cardiologia/BR / Universidade Federal de Ciências da Saúde de Porto Alegre/BR

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Texto completo: Disponible Índice: LILACS (Américas) Asunto principal: Implantación de Prótesis de Válvulas Cardíacas / Anuloplastia de la Válvula Mitral / Insuficiencia de la Válvula Mitral Tipo de estudio: Estudio de etiología / Estudio observacional / Estudio pronóstico / Factores de riesgo Límite: Humanos Idioma: Inglés Revista: Rev. bras. cir. cardiovasc Asunto de la revista: Cardiología / Cirugía General Año: 2021 Tipo del documento: Artículo País de afiliación: Brasil Institución/País de afiliación: Fundação Universitária de Cardiologia/BR / Universidade Federal de Ciências da Saúde de Porto Alegre/BR