Skip to main content

Table 2 Sequence comparison

From: Advanced techniques improve the performance of myocardial perfusion imaging

  Volunteers Patients
  st-GRE kt-SSFP p value st-GRE kt-SSFP p value
Image quality n % n %   n % n %  
0 non-diagnostic 1 6% 0    0   0   
1 poor 0   0    3 10% 0   
2 moderate 12 75% 3 19% 0.003 12 40% 2 6% 0.012
3 good 3 19% 12 75%   12 40% 17 53%  
4 excellent 0   1 6%   3 10% 13 41%  
Respiratory artefacts           
0 non-diagnostic 0   0    0   0   
1 severe 0   1 6%   0   2 6%  
2 moderate 3 19% 5 31% 0.07 7 23% 7 22% 0.17
3 mild 7 44% 7 44%   8 27% 16 50%  
4 nil 6 38% 3 19%   15 50% 7 22%  
Dark rim artefact           
Extent(%) 39±13   15±12   <0.0001 33±14   12±10   <0.0001
Transmurality 1.83±0.58   1.02±0.06   <0.0001 1.57±0.40   1.07±0.17   <0.0001
Duration 10.6±3.56   9.7±2.51   0.373 10.8±3.7   8.0±2.7   0.004