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Table 3 Two-dimensional speckle-tracking echocardiography data of the right atrium and the right ventricle of the study groups

From: Evaluation of the right atrial phasic functions in patients with anterior ST-elevation myocardial infarction: a 2D speckle-tracking echocardiography study

Variables

Control group (n = 31)

ASTEMI group (n = 92)

P value

RASr (%)

33.2 ± 4.3

30.5 ± 8.1

0.021

RAScd (%)

16.0 (12.0–18.0)

14.0 (9.0–17.0)

0.048

RASct (%)

17.6 ± 3.7

16.7 ± 4.9

0.359

pRASRr (s−1)

3.4 ± 0.4

3.4 ± 0.8

0.864

pRASRcd (s−1)

2.7 (2.0–3.1)

2.5 (1.8–3.1)

0.371

pRASRct (s−1)

4.1 ± 0.8

3.9 ± 1.1

0.405

RVFW systolic strain (%)

23.1 ± 2.6

22.7 ± 3.7

0.532

RVFW systolic strain rate (s−1)

2.2 ± 0.4

2.4 ± 0.5

0.057

RVFW early diastolic strain rate (s−1)

1.6 ± 0.4

1.8 ± 0.5

0.252

RVFW late diastolic strain rate (s−1)

2.2 ± 0.3

2.6 ± 0.6

< 0.001

  1. ASTEMI anterior ST-elevation myocardial infarction, pRASRcd peak right atrial longitudinal strain rate during the conduit phase, pRASRct peak right atrial longitudinal strain rate during the contraction phase, pRASRr peak right atrial longitudinal strain rate during the reservoir phase, RAScd right atrial longitudinal strain during the conduit phase, RASct right atrial longitudinal strain during the contraction phase, RASr right atrial longitudinal strain during the reservoir phase, RVFW right ventricular free wall