Table 3

Phrenic nerve latency (ms)

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

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).

Canbaz et al. BMC Surgery 2004 4:2   doi:10.1186/1471-2482-4-2