Table 2.

M-mode echocardiography for control vs. gestational TiO2-exposed animals at the young adult (6-12 wk) stage

CalculationUnitsControl Average ± SEExposed Average ± SE
CO (LV trace)ml/min70.86 ± 1.7965.14 ± 3.05
Diameter;d (LV trace)mm6.72 ± 0.126.38 ± 0.16
Diameter;s (LV trace)mm2.90 ± 0.142.83 ± 0.11
EF%79.41 ± 1.4880.07 ± 1.05
EF (LV trace)%85.56 ± 1.2384.96 ± 0.72
FS%49.54 ± 1.5449.84 ± 1.09
FS (LV trace)%57.33 ± 1.6356.18 ± 0.99
LV Mass (LV trace)mg841.82 ± 51.34*696.89 ± 40.93*
LV Mass Corr (LV trace)mg673.45 ± 41.07*557.51 ± 32.75*
LV Vol;dµl214.37 ± 10.19195.27 ± 11.32
LV Vol;sµl45.78 ± 5.0538.90 ± 3.11
SV (LV trace)µl200.09 ± 6.95178.31 ± 9.19
V;d (LV trace)µl236.10 ± 9.63211.59 ± 11.45
V;s (LV trace)µl36.01 ± 4.0233.28 ± 2.73
  • Values are averages ± SE for each measure. CO, cardiac output, Diameter;d, diameter at diastole, Diameter;s, diameter at systole; EF, ejection fraction; FS, fractional shortening; LV Mass, left ventricular mass; LV Vol;d, left ventricular volume at diastole; LV Vol;s, left ventricular volume at systole; SV, stroke volume; V;d, volume at diastole; V;s, volume at systole.

  • P = 0.075–0.055.

  • * P ≤ 0.05.