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Table 2 Case records of 43 dogs presented with chronic otitis externa

From: Surgical management of 43 cases of chronic otitis externa in the dog

Case number

Signalment (breed, age, sex)

Ear

Duration (months) of ear disease to time of surgery and previous surgery

Clinical and surgical findings

Surgical procedure

Concurrent dermatopathy

Postoperative complications (TECA/LBO only)

Follow-up result (months post-op.)

1

Sp.sp., 3 y, M

R

24 m

COE

LECR

None

-------

Excellent (4 m)

  

L

24 m (same time as R ear)

COE

LECR

 

------

 

2

York. T., 3 y, M

R

24 m

COE

LECR

Pyoderma

------

Poor (50 m) -

Needs TECA/LBO

  

L

24 m (same time as R ear)

COE

LECR

 

------

Poor (4 m)

   

28 m (4 m after LECR)

ESOE

TECA/LBO

 

None

Improved (46 m)

3

WHFT, 6 y, M

R

12 m

COE

LECR

Ker. disorder

------

Poor (25 m) - euthanasia due to ear disease

  

L

12 m (same time as R ear)

COE

LECR

   

4

WHWT, 7 y, F

L

4 m

COE

LECR

Suspect hypersensitivity

------

Poor (4 m)

5

Lab., 3 y, M

L

8 m

COE

LECR

None

------

Lost to follow-up

6

St. Ber., 3 y, M

R

10 m

COE

LECR

Suspect hypersensitivity

------

Poor (4 m)

  

L

10 m (same time as R ear)

COE

LECR

   

7

Lab., 8 y, M

L

84 m

COE

LECR

Suspect hypersensitivity

------

Improved (6 m)

  

R

78 m

ESOE

TECA/LBO

 

Minor wound dehiscence

Improved (12 m)

8

St. Ber., 4 y, F

L

4 m

COE

LECR

None

------

Poor (4 m)

   

8 m (4 m after LECR)

ESOE

TECA/LBO

None

None

Excellent (6 m)

9

B. Collie, 5 y, F

R

6 m

COE, OM

LECR

None

------

Improved (4 m)

  

L

6 m (same time as R ear)

COE, OM

TECA/LBO

None

None

Excellent (4 m)

10

C.Sp., 6 y, M

R

18 m

COE - ulceration of medial wall of VEC

VECA

None

------

Excellent (11 m)

11

GSD, 4 y, F

R

36 m; LECR

COE, OM

TECA/LBO

Atopy

None

Lost to follow-up

12

Pom., 7 y, F

L

12 m

ESOE, OM

TECA/LBO

None

None

Lost to follow-up

  

R

14 m (2 m after L ear)

ESOE, OM

TECA/LBO

 

None

 

13

Rott., 9 y, M

R

6 m; LECR

ESOE

TECA/LBO

None

None

Lost to follow-up

14

Cairn T., 6 y, F

L

14 m; LECR

ESOE

TECA/LBO

Ker. disorder

None

Excellent (42 m)

15

Boxer, 10 y, F

R

60 m

ESOE, OM

TECA/LBO

Suspect hypersensitivity

Para-aural fistula, Vestibular problem

Poor - euthanasia (6 m)

16

Old Eng., 6 y, F

R

30 m; LECR

ESOE, OM

TECA/LBO

Pyoderma

None

Excellent (34 m)

17

WHWT, 12 y, M

R

60 m

ESOE

TECA/LBO

None

Drooped ear carriage

Excellent (32 m)

18

WHWT, 7 y, F

R

6 m; LECR

ESOE

TECA/LBO

Suspect hypersensitivity

None

Excellent (33 m)

  

L

13 m (7 m after R ear); LECR

ESOE, OM, para-aural abscess

TECA/LBO

 

None

Excellent (26 m)

19

TerrierX, 3 y, M

R

12 m; VECA

ESOE, OM

TECA/LBO

Suspect hypersensitivity

None

Excellent (32 m)

  

L

13 m (1 m after R ear);

ESOE, OM

TECA/LBO

 

Temporary facial nerve paralysis

Excellent (31 m)

20

TerrierX, 10 y, M

R

66 m

ESOE, OM

TECA/LBO

None

Drooped ear

Excellent (29 m)

       

carriage

 

21

Afghan, 11 y, M

L

12 m

COE, OM

TECA/LBO

None

None

Poor - deep aural pain (10 m) - euthanasia

22

GSD, 4 y, F

R

24 m

ESOE, OM

TECA/LBO

None

None

Excellent (29 m)

23

TerrierX, 10, F

R

12 m; LECR; TECA only

Para-aural fistula, OM

TECA/LBO

None

Facial nerve paralysis (present at 6 weeks post-op.)

Lost to follow-up

24

C.Sp., 10 y, M

R

12 m

ESOE

TECA/LBO

Suspect hypersensitivity

None

Excellent (27 m)

  

L

12 m (same time as R ear)

ESOE

TECA/LBO

 

None

Excellent (27 m)

25

GSD, 4 y, F

R

12 m

ESOE, OM

TECA/LBO

Ker. disorder

Major wound dehiscence

Improved (26 m)

26

York. T., 14 y, F

L

24 m

ESOE, OM

TECA/LBO

Pyoderma

Mild wound dehiscence

Improved (26 m)

27

Lab., 8 y, M

R

6 m

ESOE, OM

TECA/LBO

None

Mild wound dehiscence

Lost to follow-up

28

Sp.sp., 10 y, M

R

7 m

ESOE

TECA/LBO

None

None

Excellent (19 m)

  

L

7 m (same time as R ear)

ESOE

TECA/LBO

 

None

Excellent (19 m)

29

Pointer, 8 y, M

R

6 m

ESOE

TECA/LBO

Suspect hypersensitivity

None

Improved (22 m)

  

L

6 m (same time as R ear)

ESOE

TECA/LBO

 

None

Improved (22 m)

30

TerrierX, 14 y, F

L

24 m

ESOE, OM

TECA/LBO

None

Permanent facial nerve paralysis; drooped ear

Improved (6 m)

31

Shih-tzu, 3 y, M

R

5 m

ESOE, OM

TECA/LBO

None

None

Excellent (6 m)

32

Lab., 3 y, M

R

36 m

ESOE

TECA/LBO

Suspect hypersensitivity

Minor wound dehiscence

Improved (4 m)

33

GSD, 3 y, F

L

4 m

ESOE, OM

TECA/LBO

None

None

Excellent (4 m)

  

R

4 m (same time as L ear)

ESOE, OM

TECA/LBO

 

None

Excellent (4 m)

34

WHWT, 10 y, F

R

24 m

ESOE, OM, para-aural abscess

TECA/LBO

Suspect hypersensitivity

None

Improved (18 m)

  

L

30 m (6 m after R ear)

ESOE, OM

TECA/LBO

 

Temporary Vestibular problem; minor wound dehiscence

Improved (14 m)

35

C. Sp., 12 y, F

L

6 m

ESOE, OM

TECA/LBO

None

None

Excellent (12 m)

36

CKCS, 5 y, M

L

36 m; LECR

ESOE, OM, pre-op. head tilt, facial nerve paralysis

TECA/LBO

None

Continued head tilt and facial nerve paralysis. Resolved by 12 m post-op.

Excellent (12 m)

37

C. Sp., 7 y, F

L

6 m

ESOE, OM

TECA/LBO

None

Permanent facial nerve paralysis

Improved (10 m)

38

R. collie, 6 y, M

R

36 m

ESOE, OM

TECA/LBO

None

Minor wound dehiscence

Lost to follow-up

  

L

36 m (same time as R ear)

ESOE, OM

TECA/LBO

 

None

 

39

TerrierX, 3 y, F

L

12 m, LECR

ESOE, OM

TECA/LBO

Suspect hypersensitivity

None

Excellent (10 m)

  

R

18 m, LECR

ESOE, OM

TECA/LBO

 

None

Excellent (4 m)

40

Bulldog, 5 y, M

L

1 m

COE, OM

TECA/LBO

None

Temporary facial nerve paralysis

Excellent (18 m)

41

Sp.sp., 8 y, M

R

24 m

Traumatic ear canal separation, para-aural abscess, OM

TECA/LBO

None

Temporary vestibular disease

Excellent (12 m)

42

WHWT, 11 y, M

L

36 m

ESOE, OM

TECA/LBO

Suspect hypersensitivity

None

Excellent (4 m)

43

WHWT, 6 y, M

L

12 m

ESOE, OM

TECA/LBO

Suspect hypersensitivity

None

Excellent (6 m)

  1. COE = chronic otitis externa, ESOE = end-stage otitis externa, LECR = lateral ear canal resection, OM = otitis media, TECA/LBO = total ear canal ablation with lateral bulla osteotomy, VEC = vertical ear canal, VECA = vertical ear canal ablation.
  2. F = female, L = left, M = male, R = right.
  3. B. Collie = Border collie, Cairn T. = Cairn terrier, CKCS = Cavalier King Charles spaniel, C. Sp. = Cocker spaniel, GSD = German shepherd, Lab. = Labrador retriever, Old Eng. = Old English sheepdog, Pom. = Pomeranian, Rott. = Rottweiler, R. Collie = Rough collie, Sp.sp. = Springer spaniel, St. Ber. = Saint Bernard, TerrierX = crossbred terrier, WHFT = Wire Haired Fox terrier, WHWT = West Highland White terrier, York. T. = Yorkshire terrier.
  4. Ker. disorder = disorder of Keratinisation