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Asymmetric optic nerve sheath diameter as an outcome factor following cranioplasty in patients harboring the 'syndrome of the trephined' / Assimetria do diametro da bainha do nervo optico como fator prognostico apos cranioplastia em pacientes portadores da 'sindrome do trefinado'
Araujo Junior, Antonio Santos de; Arlant, Pedro Alberto; Salvestrini Jr, Arnaldo; Altieri, Carlos Eduardo; Santos, Jasper Guimaraes; Pinto, Lauro Figueira; Fazzito, Mirella Martins; Lee, Hae Won; Godoy, Luis Felipe de Souza.
  • Araujo Junior, Antonio Santos de; Hospital Sirio-Libanes. Sao Paulo. BR
  • Arlant, Pedro Alberto; Hospital Sirio-Libanes. Sao Paulo. BR
  • Salvestrini Jr, Arnaldo; Hospital Sirio-Libanes. Sao Paulo. BR
  • Altieri, Carlos Eduardo; Hospital Sirio-Libanes. Sao Paulo. BR
  • Santos, Jasper Guimaraes; Hospital Sirio-Libanes. Sao Paulo. BR
  • Pinto, Lauro Figueira; Hospital Sirio-Libanes. Sao Paulo. BR
  • Fazzito, Mirella Martins; Hospital Sirio-Libanes. Sao Paulo. BR
  • Lee, Hae Won; Hospital Sirio-Libanes. Sao Paulo. BR
  • Godoy, Luis Felipe de Souza; Hospital Sirio-Libanes. Sao Paulo. BR
Arq. neuropsiquiatr ; 71(12): 963-966, 01/dez. 2013. tab, graf
Article in English | LILACS | ID: lil-696936
ABSTRACT
Decompressive craniectomy (DC) is gaining an increasing role in the neurosurgical treatment of intractable intracranial hypertension, but not without complications. A rare complication is the “syndrome of the trephined” (ST). It occurs when the forces of gravity overwhelm intracranial pressures, leading the brain to become sunken. Objective To determine the usefulness of asymmetric optic nerve sheath diameter (ONSD) as an outcome factor after cranioplasty. Method We followed-up 5 patients submitted to DC and diagnosed with ST. All were submitted to brain MRI to calculate the ONSD. Results Only two patients presented an asymmetric ONSD, being ONSD larger at the site of craniectomy. Surprisingly these patients had a marked neurological improvement after cranioplasty. They became independent a week after and statistically earlier than others. Conclusion It is presumed that the presence of an asymmetric ONSD in trephined patients is an independent factor of good outcome after cranioplasty. .
RESUMO
A craniectomia descompressiva (CD) tem papel fundamental no tratamento da hipertensão intracraniana refratária, mas não é isenta de complicações. Uma complicação rara é a “síndrome do trefinado” (ST). Ela ocorre quando as forças gravitacionais se sobrepõem à pressão intracraniana. Objetivo Determinar a utilidade do diâmetro da bainha do nervo óptico (DBNO) como fator prognóstico após cranioplastia. Método Foram acompanhados 5 pacientes trefinados portadores da ST. Estes pacientes foram submetidos à ressonância magnética com medida do diâmetro da bainha do nervo óptico (DBNO). Resultados Dois pacientes apresentaram uma assimetria do DBNO, sendo o diâmetro maior do lado craniectomizado. Para nossa surpresa estes evoluíram melhor do que os que apresentavam o DBNO simétrico. Estes pacientes se tornaram independentes uma semana após, e estatisticamente mais cedo do que os outros. Conclusão Há evidências de que a assimetria do DBNO sirva como fator de bom prognóstico após cranioplastia no pacientes portadores da ST. .
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Full text: Available Index: LILACS (Americas) Main subject: Optic Nerve / Trephining / Decompressive Craniectomy Type of study: Etiology study / Observational study / Prognostic study Limits: Aged / Female / Humans / Male Language: English Journal: Arq. neuropsiquiatr Journal subject: Neurology / Psychiatry Year: 2013 Type: Article Affiliation country: Brazil Institution/Affiliation country: Hospital Sirio-Libanes/BR

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Full text: Available Index: LILACS (Americas) Main subject: Optic Nerve / Trephining / Decompressive Craniectomy Type of study: Etiology study / Observational study / Prognostic study Limits: Aged / Female / Humans / Male Language: English Journal: Arq. neuropsiquiatr Journal subject: Neurology / Psychiatry Year: 2013 Type: Article Affiliation country: Brazil Institution/Affiliation country: Hospital Sirio-Libanes/BR