Physiologic effect of caffeine on susceptibility-weighted imaging

• Author(s): Gonçalves Pereira, Pedro ; Caseiro, Ana Rita ; Sousa, Paulo ; Manaças, Rui
• Date: 2012
• Persistent ID: http://hdl.handle.net/10400.21/2467
• Origin: Repositório Científico do Instituto Politécnico de Lisboa
• Subject(s): Radiology; Susceptibility-weighted imaging; Brain venous system; Caffeine
• Document Type: Conference Object
• Language: English

Description

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.