2Roques F,Nashef SA,Michel P,et al.Regional differences in surgical heart valve disease in Europe:comparison between northern and southern subsets of the EuroSCORE database.J Heart Valve Dis,2003,12 (1):1-6.
3Bonchek LI,Anderson RP,Star A.Mitral valve replacement with clothcovered composite seal prosthesis the case for early operation.J Thorac Cardiovasc Surg,1974,67:93.
5Mustafa KY,Nour MM,Shuhaiber H,et al.Pulmonary function before and sequentially after valve replacement surgery with correlation to preoperative hemodynamic data.Am Rev Respir Dis,1984,130:400.
1Edmunds LH, Clark RE, Cohn LH, et al. Guidelines for morbidity and mortality after cardiac valvular operation. J Thorac Cardiovasc Surg, 1996,112:708-711.