Introduction
Materials and methods
Patients
Variable | Value |
---|---|
Male/Female | 12/9 |
Age (years) | 33 ± 12 |
Body mass index (Kg/m2) | 22.6 ± 5.6 |
Frequent premature ventricular contraction | 1 |
New York Heart Association functional class | |
I | 3 |
II | 16 |
III | 1 |
IV | 1 |
Transthoracic echocardiography | |
Left atrial internal diameter (mm) | 39.9 ± 4.4 |
Left ventricular end diastole diameter (mm) | 49.9 ± 5.6 |
Ejection fraction (%) | 65.3 ± 7.2 |
Mitral regurgitation | |
4+ | 14 |
3+ | 6 |
2+ | 1 |
Mitral valve leaflet prolapse | 14 |
Mitral valve chordae rupture | 5 |
Surgical technique
MV repair assessment
Follow-up
Statistical analysis
Ethics statement
Results
Intraoperative data
Variable | Value |
---|---|
Operative | |
Cardiopulmonary bypass time (min) | 190 ± 41 |
Aortic cross-clamp time (min) | 145 ± 32 |
Total duration of surgery (min) | 289 ± 48 |
Artificial chordae implantation (pair/case) | 2.9 ± 0.7 |
Mitral valve coaptation length (cm) | 1.4 ± 0.3 |
Transvalvular pressure gradient (mmHg) | 1 (IQR, 1–2) |
Immediate intraoperative mitral regurgitation after repair | |
0 | 18 |
1+ | 3 |
Ring type | |
Cosgrove-Edwards | 10 |
Carpentier-Edwards Physio II | 11 |
Ring size (mm) | |
Cosgrove | 34 |
Physio II | 34.2 ± 1.0 |
Postoperative | |
Postoperative mechanical ventilation time (h) | 8.7 ± 3.6 |
Intensive care unit stay time (h) | 18 ± 5 |
Postoperative hospital stay (d) | 5.2 ± 0.6 |
Postoperative drainage in the first 24 h (ml) | 118 ± 54 |
Follow-up | |
Median follow-up time (months) | 24 (IQR, 10–38) |
Mitral regurgitation | |
0 | 11 |
1+ | 10 |
Systolic anterior motion | 0 |
New York Heart Association functional class during this follow-up interval | |
I | 17 |
II | 4 |
Follow-up data
Variable | Preoperative (21 Patients) | Postoperative (21 Patients) | p Value |
---|---|---|---|
Left ventricular end diastolic dimension (mm) | 49.9 ± 5.6 | 46.1 ± 2.9 | 0.197 |
Left atrial internal diameter (mm) | 39.9 ± 4.5 | 33.6 ± 3.9 | 0.016a |
Ejection fraction (%) | 65.3 ± 7.2 | 64.1 ± 5.5 | 0.632 |
Transvalvular pressure gradient (mmHg) | 21.9 ± 3.4 | 1 (IQR, 1–2) | 0.380 |
New York Heart Association functional class | 2.0 ± 0.6 | 1.2 ± 0.4 | 0.005a |