Retrospective Study
Copyright ©The Author(s) 2024.
World J Otorhinolaryngol. Aug 9, 2024; 11(2): 18-24
Published online Aug 9, 2024. doi: 10.5319/wjo.v11.i2.18
Table 1 Classification of endoscopic ear surgery according to Cohen’s classification9
Class
Extent of endoscope usage
0None
1For inspection only
2a< 50% of the surgical dissection
2b> 50% but < 100% of the surgical dissection
3Entire surgery
Table 2 Descriptive parameters
Parameter
Value
Male92 (54.8)
Female76 (45.2)
Pediatric, < 18 years86 (51.2)
Adults82 (48.8)
Etiology
Otitis media140 (83.3)
Traumatic injury28 (16.7)
Left ear81 (48.2)
Right ear87 (51.8)
Age range8–64
Age, mean ± SD25.76 ± 16.93
Primary cases160
Revision surgeries8
Table 3 Operative outcomes and complications
Characteristics
Value
Graft success159/168 (94.6)
Adult76/82 (92.6)
Pediatric, < 18 years83/86 (96.5)
Primary surgery152/160 (95)
Revision surgery7/8 (87.5)
Persistent perforation 9/168 (5.4)
Primary, n = 1608/160 (5)
Revision surgeries, n = 81/8 (12.5)
Complications
Surgical site infection3/168 (1.8)
Hearing improvement117/168 (69.6)
Adults53/82 (64.6)
Pediatric 64/86 (74.4)
Overall air-bone gap improvement12.37 ± 11.42
Pediatric12.27 ± 10.08
Adult12.5 ± 13.2