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  • Title: Clinical assessment of patients with primary and postparalytic hemifacial spasm: a retrospective study.
    Author: Felicio AC, Godeiro-Junior Cde O, Borges V, Silva SM, Ferraz HB.
    Journal: Arq Neuropsiquiatr; 2007 Sep; 65(3B):783-6. PubMed ID: 17952280.
    Abstract:
    OBJECTIVE: To compared the clinical features of 373 patients with primary and postparalytic hemifacial spasm (HFS). METHOD: Data analyzed were gender, ethnicity, age at symptom onset, disease duration, affected side, distribution of facial spasm at onset, hypertension, family history of HFS, previous history of facial palsy and latency between facial palsy and HFS. RESULTS: The prevalence of patients with Asian origin was similar in both groups such as female/male ratio, mean age at symptom onset, disease duration, affected side and distribution at onset of facial twitching. The upper left side of the face was the main affected region at onset. Almost 40% of the patients in both groups had hypertension. A prevalence of vascular abnormalities on the posterior fossa was seen in 7% and 12.5% of both groups. CONCLUSION: The clinical profile and radiological findings of patients with primary and postparalytic HFS are similar. The association of hypertension with vascular abnormalities and HFS was not frequent.
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