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Table 4 Procedure-related complications

From: Long-term results after mitral valve surgery using minimally invasive versus sternotomy approach: a propensity matched comparison of a large single-center series

  MIS (N = 422) CS (N = 422) p value Unadjusted OR Adjusted OR*
n/N % n/N %
Conversion to open sternotomy 12/422 2.8 n.a n.a n.a n.a n.a
Immediate 72 h procedural mortality 3/422 0.7 3/422 0.7 1.000 1.000 (0.201–4.983) 2.553 (0.368–17.716)
Wound infection 0 0 16/422 3.8 < 0.001 n.a n.a
Pericardial tamponade 2/422 0.5 35/422 8.3 < 0.001 0.053 (0.013–0.220) 0.049 (0.011–0.213)
AV block grade III 11/422 2.6 48/422 11.4 < 0.001 0.209 (0.107–0.408) 0.231 (0.111–0.482)
Pneumonia 8/422 1.9 36/422 8.5 < 0.001 0.207 (0.095–0.451) 0.279 (0.117–0.662)
Pneumothorax 6/422 1.4 4/422 0.9 0.525 1.507 (0.422–5.380) 1.408 (0.322–6.159)
Pleural effusion 5/421 1.2 18/422 4.3 0.006 0.270 (0.099–0.733) 0.478 (0.156–1.468)
AFa 63/422 14.9 106/422 25.1 < 0.001 0.523 (0.370–0.740) 0.589 (0.392–0.885)
  1. p values and OR that are statistically significant are highlighted in bold
  2. *Adjusted for procedural differences between the two groups: MV repair, MV replacement, Cryoablation, LAA closure, concomitant TVR
  3. aAll patients with documented postoperative atrial fibrillation; AF atrial fibrillation, AV atrioventricular, MVI mitral valve insufficiency