ArticleArquivos brasileiros de oftalmologia2023
Profile of patients with essential blepharospasm and hemifacial spasm in the two largest ophthalmology reference centers in Brazil.
Article in Arquivos brasileiros de oftalmologia, 2023. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 1 paper.
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1 citing paper in PubMed, 2 citations in OpenAlex.
- Dosage of botulinum toxin in patients undergoing treatment for hemifacial spasm: is there modification during follow-up?Arquivos de neuro-psiquiatria · 2025Article
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Authors and funding
8 authors at 2 institutions in 1 country.
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No grant is acknowledged in the PubMed record.
Abstract
purposeInformation is scarce regarding the comprehensive profile of patients with essential blepharospasm and hemifacial spasm in Brazil. The present study aimed to assess the clinical features of patients with these conditions, followed up in two reference centers in Brazil.
methodsThe study included patients with essential blepharospasm and hemifacial spasm, followed up at the Departments of Ophthalmology at Universidade Federal de São Paulo and Universidade de São Paulo. Apart from demographic and clinical features, past stressful events related to the first symptoms (triggering event), aggravating factors, sensory tricks, and other ameliorating factors for the eyelid spasms were assessed.
resultsA total of 102 patients were included in this study. Most patients were female (67.7%). Essential blepharospasm was the most frequent movement disorder [51/102 patients (50%)], followed by hemifacial spasm (45%) and Meige's syndrome (5%). In 63.5% of the patients, the onset of the disorder was associated with a past stressful event. Ameliorating factors were reported by 76.5% of patients; 47% of patients reported sensory tricks. In addition, 87% of the patients reported the presence of an aggravating factor for the spasms; stress (51%) was the most frequent.
conclusionOur study provides information regarding the clinical features of patients treated in the two largest ophthalmology reference centers in Brazil.
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