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Table 2 Echocardiographic variables of IIM patients during 2 years of follow-up.

From: Subclinical systolic and diastolic myocardial dysfunction in polyphasic polymyositis/dermatomyositis: a 2-year longitudinal study

Echocardiographic variable

Healthy control (n=26)

Baseline (n=28)

Monophasic (n=16)

Polyphasic (n=12)

P value

 

3 months

2 years

2 years

Control vs. Baseline

Control vs. Monophasic

Control vs. Polyphasic

Baseline vs. Monophasic

Baseline vs. Polyphasic

Monophasic vs. Polyphasic

LA (mm)

32.1±0.6

32.2±0.7

33.3±0.8

37.8±0.6

n.s.

n.s.

****

n.s.

****

**

LVESD (mm)

30.0±0.9

28.2±0.8

34.6±2.4

30.3±1.4

n.s.

n.s.

n.s.

n.s.

n.s.

n.s.

LVEDD (mm)

49.3±1.0

47.1±1.1

44.0±1.8

50.3±1.4

n.s.

n.s.

n.s.

n.s.

n.s.

n.s.

EF (%)

62.6±0.6

60.9±0.9

58.1±0.6

51.7±0.7

n.s.

***

***

n.s.

***

***

MAPSE (mm)

18.5±0.6

18.0±0.7

17.7±1.0

14.5±0.6

n.s.

n.s.

**

n.s.

*

n.s.

lateral s′ (cm/s)

10.4±0.3

8.6±0.4

8.6±0.4

6.4±0.4

**

**

****

n.s.

***

**

E/A

1.33±0.02

1.32±0.1

0.84±0.06

0.68±0.04

n.s.

****

****

****

****

n.s.

DT (msec)

144.7±3.2

158.3±5.7

182.8±15.4

190.8±7.6

n.s.

**

**

n.s.

n.s.

n.s.

E/e′

5.8±0.2

5.0±0.2

8.7±0.6

9.0±0.4

n.s.

****

****

****

****

n.s.

lateral e′ (cm/s)

12.9±0.2

12.3±0.6

8.7±0.9

7.4±0.3

n.s.

***

***

***

***

n.s.

lateral a′ (cm/s)

10.7±0.3

11.1±0.8

15.4±1.2

17.3±0.8

n.s.

***

****

**

****

n.s.

RA (mm)

29.9±0.5

30.5±0.7

31.9±1.1

29.9±0.8

n.s.

n.s.

n.s.

n.s.

n.s.

n.s.

RV1 (mm)

25.6±0.3

26.7±0.8

26.8±1.3

27.8±1.4

n.s.

n.s.

n.s.

n.s.

n.s.

n.s.

RV2 (mm)

26.0±0.7

25.2±0.7

28.1±2.4

27.2±1.1

n.s.

n.s.

n.s.

n.s.

n.s.

n.s.

RV3 (mm)

55.6±1.1

57.3±1.8

56.5±2.4

50.3±2.8

n.s.

n.s.

n.s.

n.s.

n.s.

n.s.

RVSA (cm2)

9.4±0.3

11.0±0.8

9.3±0.4

9.3±0.5

n.s.

n.s.

n.s.

n.s.

n.s.

n.s.

RVDA (cm2)

17.1±1.1

16.5±0.6

16.6±0.7

17.3±0.9

n.s.

n.s.

n.s.

n.s.

n.s.

n.s.

FAC (%)

45.6±1.8

37.0±1.5

41.0±1.6

32.7±1.4

***

n.s.

****

n.s.

*

*

TAPSE (mm)

22.7±0.5

22.3±0.7

21.3±0.7

18.1±0.3

n.s.

n.s.

***

n.s.

***

*

tricuspid s′ (cm/sec)

13.1±0.3

9.6±0.4

9.3±0.5

7.8±0.2

****

****

****

n.s.

*

n.s.

tricuspid e′ (cm/sec)

13.3±0.5

10.7±0.6

9.4±0.7

7.2±0.3

**

****

****

n.s.

**

n.s.

tricuspid a′ (cm/s)

11.5±0.4

14.6±0.9

14.3±0.9

15.1±0.7

**

n.s.

*

n.s.

n.s.

n.s.

  1. EF Ejection fraction, MAPSE Mitral annulus plane systolic excursion,lateral s Peak systolic mitral annulus velocity, E Peak early diastolic velocity, A Peak late diastolic velocity, DT Deceleration time, lateral e′ Early myocardial diastolic velocity, lateral a′ Late myocardial diastolic velocity, LA Left atrial diameter, FAC Fractional area change, tricuspid e′ Early tricuspid annular diastolic velocity, tricuspid s Peak systolic tricuspid annulus velocity, tricuspid a′ Late tricuspid annular diastolic velocity, TAPSE Tricuspid annulus plane systolic excursion, RA Right atrial diameter, LVEDD Left ventricular end-diastolic diameter, LVESD Left ventricular end-systolic diameter, RV Right ventricular diameter measured at 3 different levels, RVSA Right ventricular systolic area, RVDA Right ventricular diastolic area; p value: ≥0.05: non-significant (n.s.); 0.01-0.05: *; 0.001–0.01: **; 0.0001–0.001: ***; <0.0001: ****