Artérite de Horton: recommandations Lausannoises de prise en charge [Giant cell arteritis: guidelines of the University Hospital of Lausanne].

L'artérite de Horton (AH), une vasculite subaiguë à chronique, est la plus fréquente des vasculites systémiques dans la population âgée de plus de 50 ans. L'absence de critères diagnostiques univoques, ajoutée au fait que le tableau clinique souvent complexe nécessite une prise en charge multidisciplinaire, conduit assez régulièrement à un retard thérapeutique. Il s'agit pourtant d'une maladie nécessitant un traitement urgent en raison du risque de cécité. Cet article présente une revue de l'AH et se conclut par des recommandations institutionnelles lausannoises concernant le diagnostic, la thérapie et la prise en charge multidisciplinaire. Giant cell arteritis (GCA) is a subacute/chronic vasculitis and represents the most common form of systemic vasculitis in people over the age of 50 years. The absence of clear and specific diagnostic criteria with the highly variable clinical presentation is a diagnostic challenge requesting a multidisciplinary approach. Yet, GCA is an emergency and the treatment must be initiated very rapidly due to the risk of blindness. This article presents a review of GCA as well as the diagnostic and therapeutic institutional guidelines of the University Hospital of Lausanne.

The concept of temporal 'plus' epilepsy.

The concept of temporal 'plus' epilepsy (T+E) is not new, and a number of observations made by means of intracerebral electrodes have illustrated the complexity of neuronal circuits that involve the temporal lobe. The term T+E was used to unify and better individualize these specific forms of multilobar epilepsies, which are characterized by electroclinical features primarily suggestive of temporal lobe epilepsy, MRI findings that are either unremarkable or show signs of hippocampal sclerosis, and intracranial recordings which demonstrate that seizures arise from a complex epileptogenic network including a combination of brain regions located within the temporal lobe and over closed neighbouring structures such as the orbitofrontal cortex, the insulo-opercular region, and the temporo-parieto-occipital junction. We will review here how the term of T+E has emerged, what it means, and which practical consideration it raises.