TABLE 4

Plasma Substrate Levels, Insulin Levels, and Myocardial Glucose Use During 18F-FDG PET Study

InterventionArterial concentrationMGU (nmol/g/min)
Glucose (μmol/mL)Free fatty acids (μmol/mL)Lactate (μmol/mL)Insulin (μU/mL)
HIC/R (n = 9)5.09 ± 1.510.07 ± 0.050.76 ± 0.31114.3 ± 28.6564 ± 240
HIC/D (n = 2)7.21 ± 0.880.69 ± 0.271.90 ± 0.79211.1 ± 0.35345 ± 35
HIC/PHEN (n = 3)5.22 ± 0.130.11 ± 0.060.98 ± 0.3483.6 ± 22.21,935 ± 802
IL/R (n = 3)7.54 ± 0.844.91 ± 1.671.36 ± 0.9214.8 ± 11.260 ± 70
IL/HIC (n = 2)4.98 ± 0.772.86 ± 0.580.80 ± 0.4084.5 ± 19.535 ± 4
IL/HIC/D (n = 2)5.35 ± 0.523.93 ± 0.050.92 ± 0.41112.0 ± 23.2289 ± 288
  • MGU = myocardial glucose use measured by Fick method from glucose plasma levels; D = dobutamine.

  • Values represent mean ± SD.