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MitraClip versus cirugía para la regurgitación mitral secundaria: una revisión sistemática y un metanálisis
Juan Pinilla1, Sebastian Jaramillo2, Mariano Gallo Ruelas3
1CES University, School of Medicine, Medellín, Colombia.
Resumen
La reparación de borde a borde del transcatéter MitraClip (M-TEER) para la regurgitación mitral secundaria (MR) reduce efectivamente la MR residual en comparación con la cirugía. Sin embargo, esto no condujo a mejoras significativas en la mortalidad o en las hospitalizaciones por insuficiencia cardíaca.
Área de la Ciencia:
- Cardiología
- Cardiología intervencionista
- Cirugía cardíaca
Sus antecedentes:
- Se debate el manejo óptimo para la regurgitación mitral secundaria (MR), con opciones quirúrgicas y percutáneas disponibles.
- Las estrategias de gestión de la MR secundaria requieren un análisis comparativo adicional.
Objetivo del estudio:
- Comparar la eficacia y la seguridad de la reparación percutánea de borde a borde del transcatéter mitral (M-TEER) utilizando MitraClip frente a la intervención quirúrgica para la RM secundaria.
- Evaluar los resultados clínicos y las tasas residuales de RM entre M-TEER y los enfoques quirúrgicos.
Principales métodos:
- Búsqueda sistemática de la literatura de las bases de datos PubMed, Embase y Cochrane.
- Se incluyeron 11 estudios (2 ECA, 9 observacionales) con 1605 pacientes sometidos a M-TEER (MitraClip) o a cirugía de RM secundaria.
- Metaanálisis de las relaciones de riesgo (RR) con intervalos de confianza (IC) del 95% utilizando un modelo de efectos aleatorios.
Principales resultados:
- M-TEER con MitraClip mostró una tasa significativamente menor de grado residual de MR ≤2+ en el seguimiento en comparación con la cirugía (RR: 0,86, IC del 95%: 0,78 a 0,95).
- No se encontraron diferencias significativas en la mortalidad por cualquier causa (RR: 1,18, IC del 95%: 0,93 a 1,49), la mortalidad cardiovascular (RR: 1,42, IC del 95%: 0,54 a 3,68) o las hospitalizaciones por insuficiencia cardíaca (RR: 1,55, IC del 95%: 0,79 a 3,04).
- El estado funcional (clase I/II de la NYHA) tampoco mostró diferencias significativas entre los grupos (RR: 0,92, IC del 95%: 0,83 a 1,01).
Conclusiones:
- MitraClip M-TEER se asocia con una menor tasa de MR residual en comparación con la intervención quirúrgica en pacientes con MR secundario.
- A pesar de la reducción de la MR residual, M-TEER no demostró resultados clínicos superiores en cuanto a mortalidad, hospitalizaciones por insuficiencia cardíaca o estado funcional en comparación con la cirugía.
Palabras clave:
- ¿Qué es eso?Regurgitación mitralVálvula mitralRegurgitación mitral secundariacirugíaMás Videos Relacionados
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