Figure 2
From: Haemodynamic study of left nonthrombotic iliac vein lesions: a preliminary report
Analysis of the correlations between haemodynamic indicators and clinical classification. (A) Pressure at the caudal end of the stenotic segment of the left common iliac vein (LCIV) (P1); (B) Pressure at the cranial end of the stenotic LCIV segment (P2); (C) Pressure difference between the two ends of the stenotic LCIV segment (∆P, ∆P = P1–P2); (D) Blood flow velocity in the stenotic LCIV segment (V1); (E) Blood flow velocity at the confluence of the left internal and external iliac vein (V2); (F) Blood flow velocity difference between the stenotic segment of the LCIV and the caudal end (∆V, ∆V = V1–V2); (G) Time-averaged wall shear stress (TAWSS) in the stenotic LCIV segment; (H) Relative residence time (RRT) in the stenotic LCIV segment. (A) Control group (C0a); (B) Mild group (C0s and C1-2); (C) Moderate to severe group (C3-6). For each group, n = 8.
