Figure 1From: Predictors and prevention of flow insufficiency due to limited flow demand Incidence of not functional (NF) for in-situ ITA, SVG, and GEA with and without flow insufficiency (FI). The rate of NF was significantly higher in bypass grafts with FI for all graft materials. FI: flow insufficiency, GEA: gastroepiploic artery, ITA: internal thoracic artery, NF: not functional, SVG: saphenous vein graft.Back to article page