Left ventricular dysfunction after mitral valve repair--the fallacy of "normal" preoperative myocardial function.
Quintana E, Suri RM, Thalji NM, Daly RC, Dearani JA, Burkhart HM, Li Z, Enriquez-Sarano M, Schaff HV. Left ventricular dysfunction after mitral valve repair--the fallacy of "normal" preoperative myocardial function. J Thorac Cardiovasc Surg. 2014 Dec; 148(6):2752-60.