2Sarris GE, CahiU PD, Hansen DE, et al. Restoration of left ventricular systolic performance after reattachment of the mitral chordae tendineae. J Thorac Cardiovasc Surg, 1988,95(6) :969.
3Lillehei WC, Levy M J, Bonnabean RC. Mitral valve replacement with preservation of the papillary muscles and the chordae tendineae. J Thorac Cardiovasc Surg, 1964, 47(4):532.
4Goor DA, Mohr R, lavee J, et al. Preservation of the posterior leaflet during mitral valve. Replacement for ischemic mitral ingurgitation and complete myocardial revascularization. J Thorac Carcliovasc Surg,1988,96(2) :253.
5Casselman FP, Gillinow AM, Mc Donald ML,et al. Use of the anterior mitral to reinforce the posterior mitral annulus after debridement of calcium. Ann Thorac Snrg, 1999,68 ( 17 ) :261.
1Borger M A, Yau T M, Rao V, et al. Reoperative mitral valve replacement: importance of preservation of the subvalvular apparatus [ J].Ann Thorac Surg, 2002, 74(5 ): 1482 -1487.
2Choh J H. Preservation of anterior and posterior leaflet in mitral valve replacement with a tilting-disc valve [ J]. Ann Thorac Surg, 1997, 64(1): 271 -273.
3Yun K L, Sintek C F, Miller D C, et al. Randomized trial comparing partial versus complete chordal-sparing mitral valve replacement:effects on left ventricular volume and function [ J ]. J Thorac Cardiovasc Surg, 2002, 123(4): 707 -714.
4Rietman G W, van der Maaten J M, Douglas Y L, et al. Echocardiographic diagnosis of left ventricular outflow tract obstruction after mitral valve replacement with subvalvular preservation [ J]. Eur J Cardiothorac Surg, 2002, 22 (5): 825 - 827.
6PARVATHY UT,RAJAN R, FAYBUSHEVICH AG. Pul- monary function derangements in isolated or predominant mitral stenosis-preoperative evaluation with clinico-hemody- namic correlation[ J]. Interv Med Appl Sci,2014,6(2) :75.
7RASHID A, SATTAR KA, DAR MI, et al. Analyzing theoutcome of early versus prolonged extubation following car- diac surgery [ J ]. Ann Thorac Cardiovasc Surg, 2008, 14 (4) :218.
8JOSKOWIAK D, WILBRING M, SZLAPKA M, et al. Read- mission to the intensive care unit after cardiac surgery: a single-center experience with 7105 patients [ J ]. J Cardio- vasc Surg(Torino),2012,53(5) :671.
9TURGEMAN Y, ATAR S, ROSENFELD T. The subvalvular apparatus in rheumatic mitral stenosis: methods of assess- ment and therapeutic implications [ J ]. Chest, 2003,124 (5) :1929.
10GANDHI H,SHAH B, PATEL R, et al. Effect of preopera- tive oral sildenafil on severe pulmonary artery hypertension in patients undergoing mitral valve replacement[ J]. Indian J Pharmacol,2014,46(3) :281.
