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Observation of cerebrospinal fluid circulation of fistula after ETV in obstructive hydrocephalus by PC-cine MRI / 实用放射学杂志
Journal of Practical Radiology ; (12): 606-608,620, 2018.
Artigo em Chinês | WPRIM | ID: wpr-696873
ABSTRACT
Objective To observe the feasibility of PC-cine MRI for estimating the cerebrospinal fluid circulation of fistula after endoscopic third ventriculostomy (ETV)in obstructive hydrocephalus.Methods 25 cases with obstructive hydrocephalus were scanned with routine MR protocol and PC-cine sequence before and after ETV.Qualitative and quantitative evaluation of the cerebro-spinal fluid flow through the fistula were performed and the results were compared with 25 cases of healthy volunteers.Results One week after operation,the cerebrospinal fluid flow through the fistula showed obviously positive in 23 patients,while negative in the other 2 patients,and the waveform was similar to that in the normal midbrain aqueduct.The outflow and inflow peak velocity of the cerebrospinal fluid through the fistula were lower than that in normal midbrain aqueduct(P<0.05),while the quantity of outflow,inflow and netflow were much higher(P<0.05).6 patients showed ventricular narrowing one week after operation and 17 cases maintained the same finding.During follow-up of half year,the ventricular size still showed no obvious narrowing in 14 patients.Ventricular expanding was observed in 2 post-operative patients.Conclusion PC-cine MRI can provide intuitive and reliable evidences in evaluation of ETV for obstructive hydrocephalus.

Texto completo: DisponíveL Índice: WPRIM (Pacífico Ocidental) Tipo de estudo: Pesquisa qualitativa Idioma: Chinês Revista: Journal of Practical Radiology Ano de publicação: 2018 Tipo de documento: Artigo

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Texto completo: DisponíveL Índice: WPRIM (Pacífico Ocidental) Tipo de estudo: Pesquisa qualitativa Idioma: Chinês Revista: Journal of Practical Radiology Ano de publicação: 2018 Tipo de documento: Artigo