Table 2

Phrenic nerve amplitude (mV)

Pre-operative

post-operative

Left

Right

Left

Right


CABG with CPB (n = 35)

0.33 ± 0.25

0.34 ± 0.18

0.28 ± 0.17

0.35 ± 0.16

Valv replacement with CPB (n = 9)

0.27 ± 0.11

0.42 ± 0.15

0.26 ± 0.09

0.26 ± 0.11

CABG with beating heart (n = 12)

0.35 ± 0.29

0.38 ± 0.22

0.25 ± 0.15

0.33 ± 0.16

Peripheral artery surgery (n = 17)

0.59 ± 0.56

0.43 ± 0.34

0.47 ± 0.46

0.37 ± 0.31


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

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