Mid-term (up to 12 years) clinical and echocardiographic outcomes of percutaneous transvenous mitral commissurotomy in patients with rheumatic mitral stenosis

Table 4 Comparison of echocardiographic and clinical follow-up data with their respective peri-procedural values in event-free patients

Variables	Peri-procedural	p value	Follow-up
Echocardiographic
E.F (%)	55.69 ± 4.21 (P)	0.001	54.67 ± 4.015
Left atrial diameter (cm)	4.46 ± 0.61 (P)	0.514	4.42 ± 0.788
TMPG (mmHg)	5.43 ± 1.56 (IP)	< 0.001	8.63 ± 4.99
MVA (cm2)	2.08 ± 0.35 (IP)	< 0.001	1.65 ± 0.40
MR ≥ grade 2	23 (14.8%) (IP)	< 0.001	34 (21.9%)
sPAP (mmHg)	42.38 ± 12.45 (P)	< 0.001	31.76 ± 9.40
Clinical
A.F Rhythm	32 (20.6%) (P)	0.096	37 (23.8%)
NYHA functional class > 2	120 (77.4%) (P)	< 0.001	28 (18%)

EF ejection fraction, TMPG mean trans-mitral mean pressure gradient, MVA mitral valve area, MR mitral regurgitation, sPAP systolic pulmonary arterial pressure, AF: atrial fibrillation, NYHA New York Heart association, IP immediate post-PTMC, P pre-PTMC

ISSN: 1471-2261