Table 3 Operative and postoperative data between procedures
From: Early clinical outcomes of simple pannus removal for mechanical aortic valve stenosis
Variable | Pannus removal | Valve re-replacement | P |
|---|---|---|---|
(n = 12) | (n = 12) | ||
Mean CPB time (min) | 128.7 ± 34.1 | 179.7 ± 49.9 | 0.005 |
Mean aortic cross-clamp time (min) | 74.2 ± 27.9 | 132.7 ± 43.4 | 0.001 |
Initial procedures/Reoperation concomitant procedures | |||
AVR | MVR + TVP (n = 1) TVP (n = 1) | Thrombectomy (n = 1) MVR + left ventricular outflow tract dredging (n = 1) MVR + left atrium folding + TVP (n = 1) ascending aorta replacement (n = 2) | – |
DVR | MVR+ mitral thrombectomy (n = 1) MVR + TVP (n = 1) thrombectomy+TVP (n = 1) TVR (n = 2) TVP (n = 2) | TVR (n = 1) TVR+ TMPR (n = 1) TMPR (n = 1) TVP+ TMPR (n = 1) TVP (n = 1) | – |
DVR + TVP | TVR (n = 1) thrombectomy + TVP (n = 1) | TVR (n = 1) MVR + TVP (n = 1) | – |
DVR + AFRA | TVR (n = 1) | – | – |
Mean aortic valve size (mm) | 20.33 ± 1.30 | 21.83 ± 1.03 | – |
Blood products use | |||
Suspended red blood cells | 4.7 ± 2.0 | 4.7 ± 2.7 | 0.963 |
Plasma | 7.4 ± 2.7 | 7.5 ± 2.6 | 0.945 |
Platelets | 1.2 ± 0.4 | 1.4 ± 0.5 | 0.362 |
Mechanical ventilation time (h) | 17.22 ± 6.33 | 25.04 ± 21.27 | 0.249 |
Postoperative complication | |||
Cerebral infarction | 1 | 0 | – |
Permanent pacemaker implantatoion | 0 | 1 | – |
Infective shock | 0 | 1 | – |
Pleural effusion | 0 | 2 | – |
Valve hemodynamics one week after operation | |||
Aortic transvalvular peak velocity (m/s) | 2.6 ± 0.4 | 2.5 ± 0.4 | 0.431 |
Aortic transvalvular peak pressure gradient (mmHg) | 28.6 ± 8.4 | 25.6 ± 7.4 | 0.332 |
Aortic transvalvular mean velocity (m/s) | 1.5 ± 0.4 | 1.5 ± 0.2 | 0.215 |
Aortic TMPG (mmHg) | 13.2 ± 3.6 | 11.6 ± 2.6 | 0.174 |
LVEF(%) | 62.4 ± 7.4 | 59.6 ± 10.5 | 0.615 |
ICU stay (d) | 7.5 ± 5.21 | 8.75 ± 7.26 | 0.654 |
In-hospital death | 1 | 0 | – |
Hospital stay (d) | 33.3 ± 10.7 | 48.8 ± 28.2 | 0.103 |
NYHA classes grade during this follow-up interval | |||
NYHA classes I | 7(63.6%) | 7(58.3%) | – |
NYHA classes II | 4(36.4%) | 3(25.0%) | – |
NYHA classes III | 0 | 1(8.3%) | – |
NYHA classes IV | 0 | 1(8.3%) | – |