Reversible Neuromuscular Syndrome in Malnourished Children

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Abstract
Six young children are reported who were malnourished, with hypotonia, weakness and absent stretch reflexes, both proximally and distally, but with normal sensory examinations. Motor and sensory nerve conduction velocities also were normal. Five had mildly abnormal electromyograms, with scattered fibrillations, positive sharp waves and increased insertional activity, both proximally and distally. After adequate nutrition in hospital, all the children's reflexes returned and strength improved. Weight for height was an important indicator: it was decreased when the muscle stretch reflexes were absent and increased when they returned. The neurological and electrodiagnostic findings imply that this is a reversible lower motor-neuron or muscle disorder.