Physiologic effect of caffeine on susceptibility-weighted imaging

• Autor(es): Gonçalves Pereira, Pedro ; Caseiro, Ana Rita ; Sousa, Paulo ; Manaças, Rui
• Data: 2012
• Identificador Persistente: http://hdl.handle.net/10400.21/2467
• Origem: Repositório Científico do Instituto Politécnico de Lisboa
• Assunto(s): Radiology; Susceptibility-weighted imaging; Brain venous system; Caffeine
• Tipo de Documento: Documento de conferência
• Idioma: Inglês

Descrição

Susceptibility-weighted imaging (SWI) is a relatively new contrast in MR imaging. Previous studies have found an effect of caffeine in the contrast generated by SWI images. The present study investigates the effect of caffeine on contrast-to-noise ratio (CNR) in SWI.