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Table 3 Phrenic nerve latency (ms)

From: Electrophysiological evaluation of phrenic nerve injury during cardiac surgery – a prospective, controlled, clinical study

  Pre-operative Post-operative
  Left Right Left Right
CABG with CPB (n = 35) 7.53 ± 0.87 7.97 ± 0.91 7.68 ± 0.11 7.87 ± 1.24
Valv replacement with CPB (n = 9) 7.92 ± 0.98 7.75 ± 1.01 7.95 ± 1.01 8.4 ± 1.14
CABG with beating heart (n = 12) 7.51 ± 1.09 6.78 ± 1.07 7.63 ± 0.58 7.48 ± 0.45
Peripheral artery surgery (n = 17) 7.04 ± 0.91 7.06 ± 0.81 7.41 ± 0.86 7.1 ± 0.85
  1. CABG, Coronary artery bypass grafting; CPB, Cardiopulmonary bypass No statistically significant differences were observed between groups and in the same groups, pre and postoperatively except five patients with phrenic injury (p > 0.05).