Therapeutic management

n

%

Initial success

67

85.9%

Initial success without further dilation

43

55.1%

Dilation number of session

2

3

4

20

2

2

25.6%

2.6%

2.6%

Dilation failure

14

55.1%

Complications

GERD

Chest pain with fever

Post-dilation perforation

3

2

1

3.8%

2.6%

1.3%