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Comparative Study between Tissue Doppler Imaging & Radionuclide Scintigraphy
%
100
90
80
70
60
50
40
30
20
10
0
11.1 61.9
88.9 38.1
RVD Normal RVD Dilated
TDI Normal RV function
TDI impaired RV function
Figure 4: Shows the relation between (conventional echocardiograph)
& TDI ± in assessment of RV function.
A significant agreement between two methods
RV diameter by measured by conventional echo
TDI) in assessment of Rt ventricular function where
sensitivity=62%, specificity=89%, +ve PV=92.9,
–ve PV=50% & p value=0.011. But there is no
correlation between conventional echocardiograph
& FPRNA in assessment of Rt ventricular function
where p value 0.127.
Table 6: Shows a comparison between TDI & clinical data
in assessment of Rt ventricular functions.
Normal RV function
Impaired Rt
ventricular function
Total
%
100
80
60
40
20
0
TDI
–ve signs
cor-pulmonale
Signs of Cor-pulmonale
No.
14
1
15
–ve +ve
6.7
93.3
Normal RV function
Impaired RV function
+ve signs
cor-pulmonale
86.7
13.3
Figure 5: Shows the relation between TDI & clinical data in
evaluation of RV function.
%
93.3
6.7
100
No.
2
13
15
%
13.3
86.7
100
p value