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Table 5 Indices of longitudinal (LS) and circumferential strains (CS) of left ventricle derived from two-dimensional speckle-tracking echocardiography in the age-matched 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

Peak LS (%)

Variables

Peak CS (%)

Basal septal

 

Mid antsep

 

Control

−16.79 ± 3.97

Control

−17.87 ± 4.27

PDH

−12.80 ± 5.67

PDH

−7.86 ± 4.66

ADH

−11.44 ± 3.60

ADH

−10.16 ± 6.92‡†

Mid septal

 

Mid ant

 

Control

−16.99 ± 4.45

Control

−18.31 ± 4.06

PDH

−13.73 ± 7.21

PDH

−9.38 ± 5.90

ADH

−12.58 ± 1.71

ADH

−11.66 ± 8.16‡†

Apical septal

 

Mid lat

 

Control

−15.13 ± 6.64

Control

20.21 ± 5.94

PDH

−14.89 ± 10.34

PDH

10.51 ± 6.44

ADH

−12.27 ± 4.68

ADH

10.24 ± 5.44‡†

Apical lateral

 

Mid post

 

Control

−14.51 ± 5.47

Control

21.48 ± 7.48

PDH

−12.64 ± 8.53

PDH

12.61 ± 7.07

ADH

−8.52 ± 4.85

ADH

8.80 ± 3.95‡†

Mid lateral

 

Mid inf

 

Control

−16.32 ± 9.30

Control

21.16 ± 7.20

PDH

−9.80 ± 5.51

PDH

13.03 ± 6.66

ADH

−8.19 ± 4.53

ADH

7.44 ± 3.82‡†

Basal lateral

 

Mid sep

 

Control

−18.46 ± 3.93

Control

18.23 ± 5.25

PDH

−10.51 ± 6.16

PDH

10.16 ± 5.42

ADH

−9.84 ± 4.64‡†

ADH

7.56 ± 3.58‡†

  1. A: late diastole; Ant: anterior left ventricular wall; Antsep: anterior septal wall; E: early diastole; Inf: inferior left ventricular wall; Lat: lateral left ventricular wall; Mid: middle; Post: posterior left ventricular wall; S: peak systole; Sep: ventricular septum.
  2. P < 0.05 relative to controls; P < 0.05 relative to PDH.