Skip to main content

Table 2 Clinical parameters before venipuncture

From: Comparison of the proximal and distal approaches for axillary vein catheterization under ultrasound guidance (PANDA) in cardiac surgery patients susceptible to bleeding: a randomized controlled trial

At randomization Proximal group (n = 99) Distal group (n = 99) P value
Heart rate (bpm) 90 (84, 100) 91 (84, 102) 0.80
Mean arterial pressure (mmHg) 75 (72, 79) 76 (72, 83) 0.47
Respiratory rate (cycle/min) 15 (15,1 5) 15 (15, 15) 0.63
CVP (mm Hg) 12 (10, 14) 12 (10, 14) 0.75
Need for mechanical ventilation (MV), n (%) 89 (90.0) 87 (87.9) 0.82
Side of catheterization (right), n (%) 83 (83.8) 79 (79.8) 0.58
Days after surgery, days 6 (4, 8) 6 (5, 8) 0.60
Tidal volume (mL/kg of PBW) 7.57 ± 1.32 7.73 ± 1.15 0.36
PEEP (cm H2O) 5 (5, 5) 5 (5, 5) 0.34
Vasopressor administration, n (%) 73 (73.7) 66 (66.7) 0.35
Inotropic administration, n (%) 66 (66.7) 63 (63.6) 0.77
Axillary vein depth (cm) 1.96 ± 0.51 2.45 ± 0.57 < 0.001
Axillary vein diameter (cm) 0.92 (0.77, 1.10) 0.75 (0.65, 0.87) < 0.001
PT (s) 19.2 (14.5, 23.7) 19.4 (15.2, 26.6) 0.42
INR 1.73 (1.38, 2.12) 1.74 (1.39, 2.46) 0.37
Platelets (× 109/L) 118 (86, 175) 128 (82, 184) 0.97
  1. Continuous data are presented as the mean (SD) or median (IQR). Categorical data are presented as counts (%)
  2. PBW predicted body weight, PEEP positive end-expiratory pressure, CVP central venous pressure, PT prothrombin time, INR international normalized ratio