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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