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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