Table 1.

Clinical characteristics of surgical patients with mitral valve repair.

	Control (n = 51)	Mitral regurgitation
		Pre-operative (n = 35)	Post-operative (n = 35)
Age (years)	44 ± 14	53 ± 11*	54 ± 11*
% Female	53	20*	20*
Body surface area (m2)	1.9 ± 0.24	2.00 ± 0.24	1.98 ± 0.23
Heart rate (beats/min)	67 ± 12	71 ± 11	69 ± 10
Systolic BP (mm Hg)	118 ± 13	124 ± 15	121 ± 11
Diastolic BP (mm Hg)	75 ± 10	78 ± 8	76 ± 10
LV ED volume index (ml/m2)	69 ± 10	112 ± 24*	80 ± 18*, †
LV ES volume index (ml/m2)	25 ± 7	45 ± 13*	38 ± 14*, †
LV EF (%)	64 ± 7	61 ± 7*	54 ± 8*, †
LV ED mass index (g/m2)	50 ± 10	67 ± 14*	57 ± 13*, †
Mitral regurgitant volume (ml)		54 ± 34	1.6 ± 14†
Mitral regurgitant fraction (%)		38 ± 16	2 ± 16†

Values are n or mean ± SD.

*P < 0.05 vs. control.

^†P < 0.05 vs. pre-operative MR.