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Guidelines published by CNMR

Alternating hemiplegia

The alternating hemiplegia (AHC) is a rare neurological disorder characterized by recurrent hemiplegic attacks involving one side or both sides of the body.

The hemiplegic attacks can vary from a simple weakness to a complete loss of movement and sensitivity. They can last minutes, hours, days or weeks and they usually disappear during sleep.

Children with AHC show a wide range of symptoms in addition to those typical of the disorder: hypotonic attacks (lack of muscle tone), dystonic posture (stiffening of the extremities), nystagmus and other oculomotor abnormalities as well as seizures and mental retardation.

These neurological manifestations are not common to all of the children with AHC and currently there is no evidence that they are actually associated to the AHC.

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Published 26-05-2011 in Guidelines published by CNMR , last update 27-07-2011

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