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Table 3 Operative and postoperative data between procedures

From: Early clinical outcomes of simple pannus removal for mechanical aortic valve stenosis

VariablePannus removalValve re-replacementP
(n = 12)(n = 12)
Mean CPB time (min)128.7 ± 34.1179.7 ± 49.90.005
Mean aortic cross-clamp time (min)74.2 ± 27.9132.7 ± 43.40.001
Initial procedures/Reoperation concomitant procedures
AVRMVR + 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)
DVRMVR+ 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 + TVPTVR (n = 1)
thrombectomy + TVP (n = 1)
TVR (n = 1)
MVR + TVP (n = 1)
DVR + AFRATVR (n = 1)
Mean aortic valve size (mm)20.33 ± 1.3021.83 ± 1.03
Blood products use
 Suspended red blood cells4.7 ± 2.04.7 ± 2.70.963
 Plasma7.4 ± 2.77.5 ± 2.60.945
 Platelets1.2 ± 0.41.4 ± 0.50.362
Mechanical ventilation time (h)17.22 ± 6.3325.04 ± 21.270.249
Postoperative complication
 Cerebral infarction10
 Permanent pacemaker implantatoion01
 Infective shock01
 Pleural effusion02
Valve hemodynamics one week after operation
 Aortic transvalvular peak velocity (m/s)2.6 ± 0.42.5 ± 0.40.431
 Aortic transvalvular peak pressure gradient (mmHg)28.6 ± 8.425.6 ± 7.40.332
 Aortic transvalvular mean velocity (m/s)1.5 ± 0.41.5 ± 0.20.215
 Aortic TMPG (mmHg)13.2 ± 3.611.6 ± 2.60.174
 LVEF(%)62.4 ± 7.459.6 ± 10.50.615
 ICU stay (d)7.5 ± 5.218.75 ± 7.260.654
 In-hospital death10
 Hospital stay (d)33.3 ± 10.748.8 ± 28.20.103
NYHA classes grade during this follow-up interval
 NYHA classes I7(63.6%)7(58.3%)
 NYHA classes II4(36.4%)3(25.0%)
 NYHA classes III01(8.3%)
 NYHA classes IV01(8.3%)