Simplified electrophysiological evaluation of peripheral nerves in critically ill patients: the Italian multi-centre CRIMYNE study

Table 2 Electrophysiological alterations in the study population

	Time of evaluation
	At diagnosis of CRIMYNE	At ICU discharge
		Persisting	Resolved
Bilateral peroneal CMAP reduction^a	16 (57%)	13	3
Only bilateral peroneal CMAP	9	7	2
+ unilateral sural SNAP	1	0	1
+ bilateral sural SNAP	2	2	0
+ bilateral sural SNAP + unilateral median CMAP	1	1	0
+ unilateral median SNAP	1	1	0
+ unilateral median CMAP	1	1	0
+ unilateral median SNAP + unilateral median CMAP	1	1	0
Unilateral peroneal CMAP reduction^a	12 (43%)	5	7
+ unilateral sural SNAP	1	1	0
+ unilateral sural SNAP+ unilateral median SNAP	1	0	1
+ bilateral sural SNAP	2	0	2
+ bilateral sural SNAP + unilateral median CMAP + unilateral median SNAP	2	1	1
+ unilateral median SNAP	3	2	1
+ bilateral median SNAP	1	1	0
+ unilateral median CMAP	2	0	2

^aReduction of the CMAP or SNAP amplitude by more than two standard deviations of its normal value. CMAP, compound muscle action potential; CRIMYNE, critical illness myopathy and/or neuropathy; ICU, intensive care unit; SNAP, sensory nerve action potential.

ISSN: 1364-8535