Journal of the American College of Cardiology
Volume 62, Issue 25, December 2013 DOI: 10.1016/j.jacc.2013.08.1622
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Cardiac Imaging

Left Atrial Volume Index
Relation to Long-Term Clinical Outcome in Type 2 Diabetes

Mikael K. Poulsen, Jordi S. Dahl, Jan Erik Henriksen, Thomas M. Hey, Poul Flemming Høilund-Carlsen, Henning Beck-Nielsen and Jacob E. Møller

Table 2

Table 2

Echocardiographic Characteristics

Total
(n = 305)		LAVi <32 ml/m2
(n = 200)		LAVi ≥32 ml/m2
(n = 105)		p Value
Echocardiography
 Systolic function
  LV ejection fraction, %59.8 ± 7.260.8 ± 6.157.9 ± 8.7<0.001
  S'septum, cm/s7.9 ± 1.38.1 ± 1.17.4 ± 1.4<0.001
  S'lateral, cm/s8.5 ± 1.78.6 ± 1.78.2 ± 1.90.028
 Diastolic function and grade
  Peak E-wave velocity, m/s0.80 ± 0.160.80 ± 0.160.80 ± 0.160.751
  Peak A-wave velocity, m/s0.85 ± 0.190.82 ± 0.170.92 ± 0.22<0.001
  E/A ratio0.96 ± 0.251.00 ± 0.230.88 ± 0.26<0.001
  DT, ms220 ± 48216 ± 42226 ± 550.060
  Vp, cm/s52.0 ± 16.955.7 ± 15.243.6 ± 16.2<0.001
  e'septum, cm/s8.3 ± 1.98.9 ± 1.77.1 ± 1.7<0.001
  e'lateral, cm/s10.5 ± 1.710.7 ± 2.59.6 ± 2.6<0.001
  E/e'septum-ratio10.0 ± 2.79.2 ± 2.011.7 ± 3.0<0.001
  LA volume index, ml/m228.8 ± 7.424.9 ± 3.937.5 ± 4.9<0.001
  Normal LV diastolic function184 (60)162 (81)22 (17)<0.001
  Grade 1 LV diastolic dysfunction67 (22)38 (19)29 (27)0.056
  Grade 2 LV diastolic dysfunction54 (18)1 (1)53 (51)<0.001
  Grade 3 LV diastolic dysfunction000
 LV mass index,∗ g/m298.8 ± 21.094.9 ± 18.5106.8 ± 23.4<0.001
Myocardial perfusion scintigraphy
 Myocardial ischemia92 (30)48 (24)44 (46)0.001

Values are mean ± SD or n (%).

DT = deceleration time; LAVi = left atrial volume index; LV = left ventricular; Vp = propagation velocity.

  • ↵∗ LV mass index was calculated using the following formula: (0.8•(1.04•(LVDd+IVSd+PWd)3−(LVDd)3))+0.6g)/body surface area (14).

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