Editorial
Copyright ©2010 Baishideng.
World J Gastrointest Endosc. Jul 16, 2010; 2(7): 237-243
Published online Jul 16, 2010. doi: 10.4253/wjge.v2.i7.237
Table 1 Second generation contrast agents currently available
Contrast agentShell componentsGasMechanical index
Definity®PhospholipidPerfluoropropaneLow
Imagent®PhospholipidPerfluorohexaneLow
SonoVue®PhospholipidSulfur hexafluorideLow
Sonavist®PolymerSulfur hexafluorideLow
Sonazoid®LipidPerfluorocarbonLow
Optison®AlbuminPerfluoropropaneLow
Sonogen®SurfactantPerfluoropentaneLow
Levovist®Galactose/Palmitic acidAirHigh
Albunex®AlbuminAirHigh