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Hoyer, Carolin; Alonso, Angelika; Schlotter-Weigel, Beate; Platten, Michael; Fatar, Marc (2017): HIV-Associated Cerebellar Dysfunction and Improvement with Aminopyridine Therapy: A Case Report. In: Case Reports in Neurology, Vol. 9, No. 2: pp. 121-126
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Abstract

Apart from infectious causes and cerebellar dysfunction associated with acquired immune deficiency syndrome dementia or HIV-associated neurocognitive disorder, cerebellar dysfunction in HIV-positive individuals has been ascribed to granule cell neuronopathy as well as primary cerebellar atrophy without identifiable etiology. We report the case of a patient with progressive cerebellar dysfunction as the primary manifestation of HIV infection. No symptom improvement was seen under combination antiretroviral therapy, which had been established upon diagnosis, but the patient improved rapidly under 4-aminopyridine treatment, which was recommended 1 year later. Our report, adding to the rather small number of reports of HIV-associated cerebellar atrophy and dysfunction as a primary manifestation of HIV infection, draws attention to HIV as a possible differential etiology of a cerebellar syndrome. Further, rapid improvement of symptom severity under 4-aminopyridine treatment warrants further investigation with longer-term follow-up into the effectiveness of this compound in gait disorder associated with HIV infection. (C) 2017 The Author(s) Published by S. Karger AG, Basel.