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Long-term facial nerve clinical evaluation following vestibular schwannoma surgery / Avaliação clínica tardia do nervo facial no pós-operatório de schwannoma vestibular
Veronezi, Rafaela Julia Batista; Fernandes, Yvens Barbosa; Borges, Guilherme; Ramina, Ricardo.
  • Veronezi, Rafaela Julia Batista; State University of Campinas. Department of Neurology. Campinas. BR
  • Fernandes, Yvens Barbosa; UNICAMP. Department of Neurology. Campinas. BR
  • Borges, Guilherme; UNICAMP. Department of Neurology. Campinas. BR
  • Ramina, Ricardo; UNICAMP. Department of Neurology. Campinas. BR
Arq. neuropsiquiatr ; 66(2a): 194-198, jun. 2008. graf, tab
Article in English | LILACS | ID: lil-484124
ABSTRACT

BACKGROUND:

Facial function is important in accompaniment of patients operated on vestibular schwannoma (VS). OBJETIVE To evaluate long term facial nerve function in patients undergoing VS resection and to correlate tumor size and facial function in a long-term follow-up.

METHOD:

Transversal study of 20 patients with VS operated by the retrosigmoid approach. House-Brackmann Scale was used preoperatively, immediately after surgery and in a long-term follow-up. Student t test was applied for statistic analysis.

RESULTS:

In the immediate postoperative evaluation, 65 percent of patients presented FP of different grades. Improvement of facial nerve function (at least of one grade) occurred in 53 percent in the long-term follow-up. There was statistically significant difference in facial nerve outcome in long-term follow-up when tumor size was considered (p<0.05).

Conclusion:

The majority of patients had improvement of FP in a long-term follow-up and tumor size was detected to be a factor associated with the postoperative prognostic.
RESUMO

CONTEXTO:

A função facial é importante para acompanhamento dos pacientes operados de schwannoma vestibular (SV).

OBJETIVO:

Avaliar o grau de paralisia facial (PF) em pacientes operados de SV, correlacionando tamanho do tumor com função facial na avaliação tardia.

MÉTODO:

Estudo transversal com análise seriada de 20 pacientes com SV operados pela via retrosigmóide-transmeatal. A Escala de House-Brackmann foi utilizada no pré-operatório, pós-operatório imediato e pós-operatório tardio. O teste t de Student foi aplicado para análise estatística.

RESULTADOS:

No pós-operatório imediato, 65 por cento dos pacientes apresentaram graus variados de PF, sendo que 53 por cento destes obtiveram melhora de pelo menos um grau de House-Brackmann na avaliação tardia. Houve diferença significativa no resultado da função facial no pós-operatório tardio quando o tamanho do tumor foi considerado (p<0.05).

Conclusão:

A maioria dos pacientes da amostra apresentou melhora da PF no pós-operatório tardio, sendo o tamanho do tumor um fator associado ao prognóstico.
Subject(s)

Full text: Available Index: LILACS (Americas) Main subject: Neuroma, Acoustic / Facial Paralysis Type of study: Diagnostic study / Observational study / Prevalence study / Prognostic study / Risk factors Limits: Adolescent / Adult / Aged / Female / Humans / Male Language: English Journal: Arq. neuropsiquiatr Journal subject: Neurology / Psychiatry Year: 2008 Type: Article Affiliation country: Brazil Institution/Affiliation country: State University of Campinas/BR / UNICAMP/BR

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Full text: Available Index: LILACS (Americas) Main subject: Neuroma, Acoustic / Facial Paralysis Type of study: Diagnostic study / Observational study / Prevalence study / Prognostic study / Risk factors Limits: Adolescent / Adult / Aged / Female / Humans / Male Language: English Journal: Arq. neuropsiquiatr Journal subject: Neurology / Psychiatry Year: 2008 Type: Article Affiliation country: Brazil Institution/Affiliation country: State University of Campinas/BR / UNICAMP/BR