Efficacy and Mechanism of Preoperative Simvastatin Therapy on Myocardial Protection after Extracorporeal Circulation

Table 2

Details of surgical procedures.

Operation	Simvastatin group (56)	Control group (54)
AVR	9	9
MVR	20	24
MVP	3	4
AVR + MVR	6	3
AVR + MVP	1	0
MVR + TVP	12	7
MVR + TVR	1	2
MVP + TVP	1	1
MVP + TVR	0	1
AVR + MVR + TVP	3	3

AVR: aortic valve replacement; MVP: mitral valve plasty; MVR: mitral valve replacement; TVP: tricuspid valve plasty; TVR: tricuspid valve replacement.