TABLE 2

Baseline catecholamine kinetic parameters

Leg
Arm
Diabetes, painful neuropathyNormalCRPSDiabetes, painful neuropathyNormalCRPS
NEv (nmol/l)1.49 ± 0.171.61 ± 0.431.86 ± 0.261.67 ± 0.231.29 ± 0.241.57 ± 0.15
ΔNEAV (nmol/l)−0.17 ± 0.10*0.43 ± 0.160.43 ± 0.220.01 ± 0.170.09 ± 0.090.18 ± 0.08
Fractional extraction0.36 ± 0.080.56 ± 0.060.47 ± 0.080.54 ± 0.050.72 ± 0.040.37 ± 0.05
Blood flow (pmol · dl−1 · min−1)1.07 ± 0.131.38 ± 0.131.80 ± 0.513.10 ± 0.642.81 ± 0.424.30 ± 0.71
Limb NESO (ml · dl−1 · min−1)0.34 ± 0.170.54 ± 0.190.72 ± 0.151.63 ± 0.540.78 ± 0.121.58 ± 0.38
DHPGv (nmol/l)4.01 ± 0.464.37 ± 0.635.48 ± 0.664.19 ± 0.474.63 ± 0.534.90 ± 0.32
ΔDHPGAV (nmol/l)−0.09 ± 0.08*0.60 ± 0.351.01 ± 0.510.09 ± 0.12*0.40 ± 0.140.49 ± 0.11
DOPAv (nmol/l)6.38 ± 0.48*7.60 ± 0.758.44 ± 0.777.16 ± 0.628.56 ± 0.828.53 ± 0.55
ΔDOPAAV (nmol/l)0.38 ± 0.15*1.34 ± 0.401.45 ± 0.501.16 ± 0.192.44 ± 0.761.61 ± 0.28
  • Data are means ± SE.

  • *

    * Significantly decreased compared with normal and CRPS.

  • P = 0.06;

  • P < 0.05 if each foot considered independently.