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Table 5 Characteristics of blood flow in the left ventricle before and after ASA

From: Hemodynamic change in patients with hypertrophic obstructive cardiomyopathy before and after alcohol septal ablation using 4D flow magnetic resonance imaging: a retrospective observational study

Case

Diastole

Systole

Anterior vortex size, mm2

Posterior vortex size, mm2

Prevalence of vortex above the LVOT

Before ASA

After ASA

Before ASA

After ASA

Before ASA

After ASA

1

0

2920

0

2076

1

0

2

2679

3628

886

2750

1

1

3

0

0

3825

4146

0

0

4

3451

5463

458

380

1

0

5

2280

3270

333

616

1

0

6

0

0

0

0

1

0

7

1293

1424

0

0

1

0

8

1181

4166

1091

0

0

0

9

3894

3820

978

0

1

0

10

935

4679

0

354

0

0

11

2104

3345

592

610

0

0

  1. ASA, alcohol septal ablation; LVOT, left ventricular outflow tract