TABLE 3

Changes in Regional and Global Myocardial Perfusion Defect Sizes for 50% and 75% Dose Reductions vs. No Dose Reduction, in Patients with Myocardial Perfusion Defects

Change in defect size in…
Dose reductionLeft anterior descending coronary artery (%LV)Left circumflex coronary artery (%LV)Right coronary artery (%LV)Entire left ventricle (%LV)
50%0.55 ± 1.280.28 ± 0.750.13 ± 0.580.97 ± 1.69*
75%1.05 ± 1.44*1.06 ± 1.06*0.85 ± 0.94*2.96 ± 2.35*
  • * P < 0.016 with paired t test with Bonferroni adjustment; n = 30.

  • Data are mean ± SD.