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Table 1 General characteristics of patients receiving modified revision EN-DCR

From: Endoscopic dacryocystorhinostomy with an otologic T-type ventilation tube in repeated revision cases

Case

Side

Type of failed DCR and year

Time from last failed DCR to recurrence of epiphora (months)

Cause(s) of failure

The times of tube prolapse

the duration of tube intubation(weeks)

1

L

EX 2006

EN 2007

15

Membranous scarring over ostium

0

6

2

R

EX 2004

EN 2006

18

Wall of lacrimal sac thickness and fibrosis

1

8

3

R

EX 2002

EN 2005

37

Ostium closure

0

15

4

L

EX 2003

EX 2005

EN 2008

25

Membranous scarring over ostium

0

20

5

L

EN 2007

EN 2008

8

Ostium closure

1

14

6

R

EX 2007

EN 2009

7

Wall of lacrimal sac

0

18

7

R

EX 2006

EX 2008

EN 2010

10

Membranous scarring over ostium

2

8

8

L

EN 2009

EN 2010

6

Membranous scarring over ostium

0

10

9

L

EX 2009

9

Ostium closure

3

13

10

R

EN 2009

EN 2010

5

Wall of lacrimal sac thickness and fibrosis

0

14

11

L

EN 2008

EN 2009

12

Wall of lacrimal sac thickness and fibrosis

0

18

12

R

EN 2009

8

Wall of lacrimal sac thickness and fibrosis

0

15

13

R

EN 2003

EN 2005

10

Ostium closure

2

20

14

L

EX 2007

EN 2009

12

Membranous scarring over ostium

3

10

15

L

EX 2008

6

Membranous scarring over ostium

2

15

16

L

EN 2005

EN 2009

5

Wall of lacrimal sac

3

13

17

L

EX 2008

EN 2010

8

Ostium closure

1

12

18

R

EN 2004

EN 2009

10

Wall of lacrimal sac

1

11

19

R

EN 2005

EN 2008

13

Membranous scarring over ostium

2

8

20

R

EX 2005

EN 2008

16

Membranous scarring over ostium

3

6

21

L

EX 2006

EN 2008

9

Wall of lacrimal sac

2

6

22

L

EN 2009

7

Wall of lacrimal sac

0

12

  1. Age range: 26–68; Number of male: 7; Number of female: 15