Should asymptomatic patients with severe uncomplicated mitral regurgitation be operated on preventively or followed-up conservatively?

Montant, P., Pasquet, A., Chenot, F., Goffinet, C., Le Polain, J.-B., Pouleur, A.-C., & Vancraeynest, D. (2008). Should asymptomatic patients with severe uncomplicated mitral regurgitation be operated on preventively or followed-up conservatively? Acta Cardiologica : an international journal of cardiology, 63(1), 100. (Original work published 2008)