5Rao V, Komeda M, Weisel RD, et al. Results of represervation of the ehordae tendineae during redo mitral valve replacement,Ann Thorac Surg, 1996;62(1) : 179~ 183.
6Rosen SE, Borer TS, Hochreiter C, et al. Natural history of the asymptomatic/minimally symptomatic patient with severe mitral regurgitation secondary to mitral valve prolapse and normal right and left ventricular performance. Am J Cardiol,1994,74(4) :374~380.
7Spinale FG,Ishihra K,Zile M,et al. Structural basis for changes in left ventricular function and geometry because of chronic mitral regurgitation and after correction of volume overload. J Thorac Cardiovasc Surg, 1993 ; 106(6) : 1 147~ 1 157.
10Matsumoto Y ,Watanable G. Efficacy and safety of on-pump beating heart surgery for valvular disease [ J ]. The Annals of Thoracic Surgery,2002,74(6) :678-683.
