Este protocolo aborda a pacientes asintomáticos con prolapso de la válvula mitral que causa insuficiencia mitral primaria grave clasificada como estadio C1, en quienes la función sistólica ventricular izquierda se mantiene preservada.
Escenario clínico: Insuficiencia mitral primaria grave (estadio C1), paciente asintomático, con fracción de eyección ventricular izquierda normal (mayor del 60%) y dimensión telesistólica del ventrículo izquierdo inferior a 40 mm.
DOI: 10.1161/CIR.0000000000000923
In asymptomatic patients with severe primary MR and normal LV systolic function (LVEF ≥60% and LVESD ≤40 mm) (Stage C1), mitral valve repair is reasonable when the likelihood of a successful and durable repair without residual MR is >95% with an expected mortality rate of <1%, when it can be performed at a Primary or Comprehensive Valve Center.
In asymptomatic patients with severe primary MR and normal LV systolic function (LVEF >60% and LVESD <40 mm) (Stage C1) but with a progressive increase in LV size or decrease in EF on ≥3 serial imaging studies, mitral valve surgery may be considered irrespective of the probability of a successful and durable repair.