One-year outcome of percutaneous mitral valve repair in patients with severe symptomatic mitral valve regurgitation

Table 2 New York Heart Association class and hemodynamics before and after MitraClip implantation (n = 44)

	Before MitraClip	After MitraClip	P value
NYHA class III and IV, n (%)	43 (98)	16 (35)	< 0.001
Mitral regurgitation (severe)	44 (100)	6 (14)	< 0.001
Left atrial diameter (mm)	50 ± 6	49 ± 7	0.039
Left atrial volume (mL)	114 ± 43	102 ± 42	0.008
LV end-diastolic diameter (mm)	55 ± 10	54 ± 11	0.308
LV end-systolic diameter (mm)	42 ± 12	41 ± 12	0.367
LV end-diastolic volume (mL)	158 ± 69	159 ± 75	0.866
LV end-systolic volume (mL)	95 ± 63	95 ± 61	0.993
LV ejection fraction (%)	42 ± 15	44 ± 13	0.216
Severe tricuspid regurgitation, n (%)	12 (27)	9 (20)	0.763
sPAP (mmHg)	44 ± 13	27 ± 10	0.027

LV: Left ventricular; sPAP: Systolic pulmonary artery pressure.