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Table 3 Left atrial strain and NTproBNP levels in patients with aortic regurgitation (based on diastolic dysfunction grade) and controls

From: Pre- and postoperative left atrial and ventricular volumetric and deformation analyses in severe aortic regurgitation

 

Aortic regurgitation (n = 60)

Controls (n = 20)

Overall p value

DD grades 0 or 1 (n = 39)

DD grades 2 or 3 (n = 21)

LASr (%)

27.9 ± 5.1*

23.8 ± 7.8

25.7 ± 6.0

0.030

LAScd (%)

15.3 ± 6.8

15.8 ± 6.8

12.1 ± 3.5

0.26

LASct (%)

12.6 ± 4.2*

8.0 ± 3.7†

12.8 ± 5.6

< 0.001

LASct/LASr ratio

0.47 ± 0.15*

0.34 ± 0.13†

0.50 ± 0.14

0.001

NTproBNP (NPX units)

3.79 ± 1.61*

5.03 ± 1.54†

3.53 ± 1.31

0.002

  1. DD Diastolic dysfunction, LAScd Left atrial conduit phase, LASct Left atrial contraction phase, LASr Left atrial reservoir phase, NPX units Normalized protein expression units (log2 scale), NTproBNP N-terminal pro-B-type natriuretic peptide. *p < 0.05 for the comparison between DD grades 0 or 1 and DD grades 2 or 3, †p < 0.05 for the comparison between DD grades 2 or 3 and the control group
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Cardiovascular Ultrasound

ISSN: 1476-7120

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