Oxidative Stress in Hypertensive Patients Induces an Increased Contractility in Vein Grafts Independent of Endothelial Function

Figure 2

Effect of L-NAME on nitrite contents of NT and HT SV rings. White bars: Krebs. Black bars: L-NAME 10⁻⁴ M. ***𝑃<0.001 HT versus NT. ⁺⁺𝑃<0.01 HT versus HT plus L-NAME. ⁺⁺⁺𝑃<0.01 NT versus NT pus L-NAME. Data are expressed as mean ± standard error. The number of rings is given in parentheses.