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Table 2 Global strains and strain rates derived from two-dimensional speckle-tracking echocardiography in the control, pituitary-dependent hyperadrenocorticism (PDH), and adrenal-dependent hyperadrenocorticism (ADH) groups

From: Assessment of left ventricular function by two-dimensional speckle-tracking echocardiography in small breed dogs with hyperadrenocorticism

Variables

Control (n  = 9)

PDH (n  = 10)

ADH (n  = 9)

Global LSR S (s −1 )

−1.66 ± 0.42

−1.19 ± 0.54

−1.11 ± 0.20

Global LSR E (s −1 )

1.29 ± 0.36

0.90 ± 0.51

0.80 ± 0.36

Global LSR A (s −1 )

0.95 ± 0.41

0.54 ± 0.25

0.62 ± 0.40

Global CSR S (s −1 )

−2.21 ± 0.97

−1.37 ± 0.48

−1.07 ± 0.44‡†

Global CSR E (s −1 )

1.52 ± 0.71

0.82 ± 0.46

0.72 ± 0.23‡†

Global CSR A (s −1 )

0.82 ± 0.35

0.73 ± 0.42

0.60 ± 0.30

Global LS (%)

−16.11 ± 3.73

−11.29 ± 5.67

−9.87 ± 1.97

Global CS (%)

−20.39 ± 6.61

−10.22 ± 5.67

−8.68 ± 4.32‡†

  1. A: late diastole; CS: circumferential strain; CSR: circumferential strain rate; E: early diastole; LS: longitudinal strain; LSR: longitudinal strain rate; S: peak systole.
  2. P < 0.05 relative to controls; P < 0.05 relative to PDH.