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Table 2 Two-dimensional echocardiographic parameters and myocardial velocities

From: Structural and functional changes in maternal left ventricle during pregnancy: a three-dimensional speckle-tracking echocardiography study

Variable

Controls

Trimester 1

Trimester 2

Trimester 3

Postpartum

 

-

(14.1 ± 1.6)wk

(25.5 ± 2.6)wk

(37.8 ± 2.4)wk

(7.8 ± 2.4)mo

LVEDd (mm)

44.18 ± 2.50

45.28 ± 2.83

46.88 ± 3.40

48.84 ± 3.26*

46.31 ± 3.14

LVEDs (mm)

28.08 ± 2.84

28.24 ± 3.21

29.62 ± 2.91

30.46 ± 2.81*

28.72 ± 2.51

RWT

0.25 ± 0.09

0.27 ± 0.07

0.28 ± 0.05

0.29 ± 0.06*

0.26 ± 0.06

EF (%)

67.57 ± 5.12

68.00 ± 5.21

65.46 ± 4.49†

64.98 ± 3.93*

66.89 ± 4.91

s (cm/min)

7.0 ± 1.6

7.0 ± 1.2

6.8 ± 1.0

6.4 ± 1.2

6.9 ± 1.7

  1. Data are given as mean ± SD; LVEDd indicates left ventricular end-diastolic dimension; LVEDs, left ventricular end-systolic dimension; RWT, relative wall thickness; EF, ejection fraction; s, peak myocardial velocity.
  2. *P < 0.05 vs. Controls; P < 0.05 vs. Trimester 1; P < 0.05 vs. Trimester 3; §P < 0.05 vs. Postpartum.