Table 2.

First operation data of IMHA patients

	Early IMHA	Late IMHA	Total
Primary mitral valve disease
Rheumatic	2 (20)	11 (73)	13 (52)
Infection	4 (40)	1 (7)	5 (20)
Others	4 (40)	3 (20)	7 (28)
First operation
Mitral valve repair	6 (60)	2 (13)	8 (32)
Mitral valve replacement	4 (40)	13 (87)	17 (68)
Prosthetic valve type
Bio-valve	1 (25)	1 (8)	2 (12)
Mechanical valve	3 (75)	12 (92)	15 (88)
Valve brand
CarboMedics	2 (50)	4 (31)	6 (35)
Medtronics	1 (25)	2 (15)	3 (18)
St Jude	0 (0)	4 (31)	4 (24)
Sorin	0 (0)	1 (8)	1 (6)
Unknown	1 (25)	2 (15)	3 (18)