TTF (LIMA)

Ultrasound (Distal LAD)

Flow, mL/min

P

PI

P

DF (%)

P

Flow, mL/min

P

Baseline

22.1 ± 11.4

6.1 ± 4.2

71

27.1 ± 13.1

Distal snaring

7.4 ± 5.1

0.037

16.4 ± 5.8

0.490

--

0

0.007

Proximal snaring

28.6 ± 10.3

0.354

4.3 ± 3.5

0.365

75

30.3 ± 14.7

0.786

Proximal /distal snaring

2.8 ± 1.5

0.028

20.8 ± 12.5

0.383

--

0

0.013

First proximal /distal snare loosening

22.8 ± 9.2

0.437

5.9 ± 4.7

0.492

75

28.3 ± 15.2

0.781

Second proximal/distal snare loosening

18.4 ± 11.1

0.310

6.3 ± 4.8

0.394

60

20.8 ± 14.9

0.601

Third proximal/distal snare loosening

9.4 ± 4.7

0.046

14.6 ± 7.3

0.583

--

12.6 ± 7.1

0.048

Fourth proximal /distal snare loosening

5.3 ± 3.6

0.032

15.4 ± 5.9

0.047

--

8.8 ± 4.3

0.043

Firth proximal /distal snare loosening

4.5 ± 2.3

0.030

17.5 ± 7.3

0.043

--

7.1 ± 4.1

0.041

10 minutes after the last snare loosening

20.1 ± 12.4

0.328

6.3 ± 4.8

0.439

70

26.9 ± 12.8

0.693