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Table 1 Clinical and echocardiographic data of the study population

From: Going beyond classic echo in aortic stenosis: left atrial mechanics, a new marker of severity

 

sAS

mAS

P-value

Age (±SD, years)

76.4 (±8.8)

76.2 (±6.9)

0.834

Men (%)

54.9

46.9

0.337

Atrial fibrillation (%)

24.4

25

0.932

Symptoms (%)

86.6

21.9

< 0.001

LVEF (±SD, %)

60.3 (±7.3)

62.2 (±5.4)

0.084

LVDD (±SD, mm)

51.6 (±6.7)

52.2 (±7.4)

0.604

LVSD (±SD, mm)

33.8 (±7.1)

32.6 (±6.7)

0.238

IVS (±SD, mm)

12.8 (±3.8)

11.5(±2.3)

0.021

E/e’ (±SD)

18.4 (±8.0)

15.8 (±4.3)

0.034

TAPSE (±SD, mm)

20.2 (±3.6)

20.6 (±3.3)

0.488

PASP (±SD, mmHg)

28.9 (±11.8)

29.5 (±10.1)

0.779

LAVI (±SD, mL.m−2)

42.6 (±12.3)

39.5 (±12.2)

0.129

LV-GLS (±SD,%)

−17.1 (±3.84)

−18.5 (±3.85)

0.025

LA ɛsys (±SD,%)

13.8 (±5.7)

23.1 (±7.0)

< 0.001

LA ɛe(±SD,%)

6.5 (±3.2)

11.5(±4.4)

< 0.001

LA ɛa(±SD,%)

7.1(±3.9)

11.5(±4.4)

< 0.001

LA SRs(±SD,%)

0.8 (±0.3)

1.0(±0.3)

< 0.001

LA SRe(±SD,%)

−0.5(±0.3)

−0.7(±0.3)

0.003

LA SRa(±SD,%)

−1.03 (±0.4)

−1.2(±0.4)

0.017

Global strain (±SD,%)

4.6(±0.9)

−3.1 (±0.7)

< 0.001

  1. IVS interventricular septum, LAVI left atrial volume (indexed), LA ɛsys left atrial systolic strain (reservoir function), LA ɛe left atrial early diastolic strain (conduit function), LA ɛa left atrial late diastolic strain (contractile function), LA SRs left atrial systolic strain rate (reservoir function), LA SRe left atrial early diastolic strain rate (conduit function), LA SRa left atrial late diastolic strain (contractile function), LV-GLS left ventricular global longitudinal strain, LVDD left ventricular end-diastolic diameter, LVSD left ventricular end-systolic diameter, LVEF left ventricular ejection fraction, mAS moderate aortic stenosis, PASP pulmonary artery systolic pressure, sAS severe aortic stenosis, TAPSE tricuspid annular plane systolic excursion.