Severe weakness of lower cranial and girdle muscles has been found in 4 subjects among 20 dialysis patients treated with carnitine in order to correct their high plasma triglyceride level. Neurophysiological investigation showed an impairment of neuromuscular transmission with short-term reduction of evoked muscle responses to repetitive stimulation and the presence of "post-activation exhaustion phenomenon" 3 min after the train. Both the weakness and the neurophysiological findings were less pronounced after edrophonium. These findings suggest a hemicholinium activity of carnitine at synaptic level.

Myasthenia due to carnitine treatment

FIASCHI, Antonio;
1980

Abstract

Severe weakness of lower cranial and girdle muscles has been found in 4 subjects among 20 dialysis patients treated with carnitine in order to correct their high plasma triglyceride level. Neurophysiological investigation showed an impairment of neuromuscular transmission with short-term reduction of evoked muscle responses to repetitive stimulation and the presence of "post-activation exhaustion phenomenon" 3 min after the train. Both the weakness and the neurophysiological findings were less pronounced after edrophonium. These findings suggest a hemicholinium activity of carnitine at synaptic level.
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Utilizza questo identificativo per citare o creare un link a questo documento: http://hdl.handle.net/11562/2771
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