Table 2

Baseline haemodynamic and angiographic data

Early after surgeryLate after surgeryNormal coronary arteries (n = 17)
Venous grafts (n = 15)Arterial grafts (n = 28)Venous grafts (n = 15)Arterial grafts (n = 26)
Heart rate (beats/min)82 (13)80 (11)74 (11)75 (9)73 (12)
Mean blood pressure (mm Hg)79 (9)*** 82 (14)*** 103 (18)103 (14)102 (8)
Haemoglobin (g/l)106 (7)*** 108 (12)*** 142 (19)149 (10)138 (4)
Proximal graft diameter (mm)4.17 (0.79)***,††† 2.51 (0.36)3.29 (0.64)††† 2.41 (0.37)2.93 (0.58)
Graft/coronary ratio1.68 (0.75)2-164 1.27 (0.26)2-150 1.5 (0.4)††† 1.1 (0.3)
Average peak velocity (cm/s)14 (7)2-150,††† 26 (10)21 (10)25 (8)25 (9)
Basal flow (ml/min)56 (19)2-164 40 (18)50 (16)2-164 36 (14)50 (23)
  • Values are means (SD).

  • 2-150 p < 0.05, ***p < 0.001, early v late after surgery.

  • 2-164 p < 0.01, †††p < 0.001, venous varterial grafts.