Acute left hemichorea secondary to severe carotid stenosis in an elderly patients / Hemicorreia esquerda aguda secundária a estenose carotídea grave num doente idoso

• Autor(a) principal: Behling, Silvana Born
• Data de Publicação: 2021
• Outros Autores: Weiss, Jordana Carolina, Rizzi, Laura Schmidt, Saxer, Marcelle Montagna, Frantz, Samantha, Gouveia, Anna Sophia Almeida, Dupont, Roberta Finkler, da Costa, Marilia Gabriela
• Tipo de documento: Artigo
• Idioma: por
• Título da fonte: Brazilian Journal of Health Review
• Texto Completo: https://ojs.brazilianjournals.com.br/ojs/index.php/BJHR/article/view/41998
• topic: Dyskinesias; Carotid Stenosis; Brain Diseases.

Hemicorhoea is known for involuntary and abnormal movements, it presents itself as an excessive muscle motility that contains several causes, including ischemic ones. However, the pathophysiology of this sign is unknown, there are several biases, one of which is the sensitivity to lack of oxygen and low perfusion in brain sites. There are case reports in which radiological examinations did not find cerebral ischemic alterations, which demonstrates that blood alterations generated by the low flow caused by arterial stenosis are also related to this clinical finding. Hemicorea is an uncommon finding in patients with severe carotid stenosis. Most cases have ischemic changes in the basal ganglia assessed on Cranial Magnetic Resonance; however, not every clinical picture clearly shows an ischemic process. But, in this case it is essential to disocclude the right internal carotid artery through an endarterectomy, in addition to drug treatment, both for complete remission of the hemichorea.