Effects of desflurane and sevoflurane on somatosensory-evoked and motor-evoked potential monitoring during neurosurgery: a randomized controlled trial

Table 3 MEP latency and amplitude

Monitoring	Limbs	Groups	Baseline	0.3MAC	0.6MAC	0.9MAC
Latency (ms)	Upper limbs	Desflurane	28.12 ± 2.64	28.35 ± 2.69	29.50 ± 3.40	34.21 ± 6.64^3#
	Upper limbs	Sevoflurane	28.08 ± 2.87	28.41 ± 2.98	29.76 ± 4.03	32.13 ± 5.15³
	Lower limbs	Desflurane	43.63 ± 5.39	43.91 ± 5.99	45.03 ± 10.99	50.77 ± 10.06^3#
	Lower limbs	Sevoflurane	43.71 ± 5.64	43.87 ± 6.48	44.67 ± 6.33	47.53 ± 5.40³
Amplitude (μV)	Upper limbs	Desflurane	1920.3 ± 1762.1	1303.4 ± 1455.3¹	590.4 ± 372.1^2#	273.1 ± 239.5^3#
	Upper limbs	Sevoflurane	1847.5 ± 1655.0	1236.1 ± 1270.7¹	891.0 ± 988.3²	407.2 ± 254.7³
	Lower limbs	Desflurane	1113.2 ± 1137.0	788.9 ± 734.3^1#	444.7 ± 324.2^2#	135.0 ± 221.8^3#
	Lower limbs	Sevoflurane	1123.6 ± 1127.5	931.3 ± 798.4¹	719.9 ± 664.1²	321.6 ± 298.4³

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