Thalassemia patients without iron overload (T2*>20 ) (n=12) Control Group (n=37) p value
Lateral mitral annulus
MPI-LV
0.46±0.09
0.33±0.06
<0.001
ET-LV (ms) 251±7.3 299.7±15.8 <0.05
IVRT-LV (ms) 284.1±15.2 43.3±9.8 <0.005
IVA-LV (cm/sn2) 2.2±1.1 3.2±1.0 <0.01
Septal mitral annulus
MPI-sep
0.38±0.07
0.36±0.05
p>0.05
ET-sep (ms) 252.9±8.1 283.6±15.1 p>0.05
IVRT-sep (ms) 289.6±24.4 49.4±11.5 p>0.05
IVA-sep (cm/sn2) 2.0±0.7 2.7±0.8 <0.05
Tricuspid valve annulus
MPI-RV
0.40±0.09
0.47±0.17
<0.005
ET-RV (ms) 286.7±26.4 278.8±67.1 p>0.05
IVRT-RV (ms) 54.1±16.9 29.0±12.2 <0.001
IVA-RV (cm/sn2) 2.8±0.8 3.9±1.2 <0.05