TABLE 3

Phrenic nerve conduction time for the right and left hemidiaphragm and amplitudes of the motor evoked potentials in response to CMS

SubjectM6M12M18M24M36
#1r-PNCT ms5.2Not possible5.56.05#
l-PNCT ms5.26.25.55
r-MEP amplitude μV10227184
l-MEP amplitude μV60172177
#4r-PNCT ms7.47.05.97.2
l-PNCT ms6.77.46.78.4
r-MEP amplitude μV45151102174
l-MEP amplitude μV682718045
#5r-PNCT ms7.06.26.76.8#
l-PNCT ms5.87.45.45.9
r-MEP amplitude μV150292254605
l-MEP amplitude μV280328245439

CMS: cervical magnetic stimulation; r-PNCT: right phrenic nerve conduction time; l-PNCT: left phrenic nerve conduction time; r-MEP: right motor evoked potential; l-MEP: left motor evoked potential. #: data obtained with the intradiaphragmatic electrodes used for diaphragm pacing.