Investigación clínica de la ptosis cerebral. Presentación de seis nuevos casos

Luis Cartier R., Jorge Parra, Juan P. Contreras S.
2018 Revista médica de Chile (Impresa)  
Cerebral ptosis is understood as the bilateral paralysis of eyelid elevation linked to a stroke or hemorrhage of the middle cerebral artery (MCA). It is a transient condition, independent of the evolution of the lesion. Aim: To analyze six patients with the condition. Patients and Methods: Report of five women and one male aged 42 to 72 years. Results: All suffered an infarction or hemorrhage in the territory of the middle cerebral artery of the non-dominant hemisphere and developed a bilateral
more » ... veloped a bilateral palpebral ptosis. The recovery started after the fourth day. At the tenth day, eye opening was effortless and did not require frontal help, despite the persistence of hemiplegia. Conclusions: Cerebral ptosis is a mimetic dysfunction of a specific non-injured area of the cerebral cortex, originated from a nearby parenchymal damage such as the middle cerebral artery of the same hemisphere. Cerebral ptosis expresses the inhibition of the voluntary eyelid elevation center, of prefrontal location in the non-dominant hemisphere. (Rev Med Chile 2018; 146: 857-863)
doi:10.4067/s0034-98872018000800857 fatcat:hrh4z67mnrc75idxfmuhkxy55i