| |
Region
|
Low-fat diet
|
High-fat diet
|
Change due to high-fat diet
|
p value
|
|---|
|
Radial strain (%)
|
Endo
|
36 ± 2
|
38 ± 8
|
+5%
|
0.690
|
|
Epi
|
24 ± 7
|
16 ± 2
|
−53%
|
0.032
|
|
Circumferential strain (%)
|
Endo
|
17 ± 1
|
15 ± 1
|
−12%
|
0.028
|
|
Epi
|
9.4 ± 0.6
|
6.7 ± 0.6
|
−40%
|
0.008
|
|
Longitudinal strain (%)
|
Endo
|
13 ± 1
|
12 ± 2
|
−6%
|
0.602
|
|
Epi
|
11 ± 0.8
|
9.3 ± 1.2
|
−19%
|
0.056
|
|
Peak torsion (o/cm)
|
N/A
|
8.8 ± 1.9
|
6.6 ± 0.5
|
−34%
|
0.028
|
|
Radial uniformity of strain (dimensionless)
|
Average
|
0.95 ± 0.02
|
0.91 ± 0.03
|
−5%
|
0.032
|
|
Circumferential uniformity of strain (dimensionless)
|
Average
|
0.99 ± 0.01
|
0.98 ± 0.01
|
−1%
|
0.151
|
|
Heart rate (bpm)
|
N/A
|
457 ± 35
|
503 ± 38
|
+10%
|
0.08
|
- Values are mean ± standard deviation, n = 5 in each group. Endo = subendocardium, Epi = subepicardium.
