Patient

Number of revisional CI surgeries

Cause of revisional surgery

Surgery performed

1

1

Excessive subcutaneous tissue

Removal of excessive subcutaneous tissue

2

1

Internal unit shift

Repositioning of the internal unit

3

1

Internal unit shift seen in MRI

Repositioning of the internal unit

4

2

Traumatic internal unit shift

Repositioning of the internal unit

5

1

Non-progression of electrodes in surgery

Repositioning of the electrodes

6

3

Suture dehiscence and exposition of the internal unit

Suture; explant; second CI surgery

7

2

Tympanic membrane perforation

Tympanoplasty

8

1

Internal unit shift

Repositioning of the internal unit

9

1

Internal unit shift

Repositioning of the internal unit

10

1

Facial palsy

Facial nerve decompression

Total

14