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Int Arch Otorhinolaryngol 2016; 20(01): 039-042
DOI: 10.1055/s-0035-1563540
Original Research
Thieme Publicações Ltda Rio de Janeiro, Brazil

Evaluation of Functional Outcomes after Stapes Surgery in Patients with Clinical Otosclerosis in a Teaching Institution

José Celso Rodriques de Souza
1   Department of Otolaryngology, Universidade de São Paulo, School of Medicine, São Paulo, São Paulo, Brazil
,
Ricardo Ferreira Bento
1   Department of Otolaryngology, Universidade de São Paulo, School of Medicine, São Paulo, São Paulo, Brazil
,
Larissa Vilela Pereira
1   Department of Otolaryngology, Universidade de São Paulo, School of Medicine, São Paulo, São Paulo, Brazil
2   Department of Otolaryngology, Anchieta Hospital, Brasília, DF, Brazil
,
Liliane Ikari
1   Department of Otolaryngology, Universidade de São Paulo, School of Medicine, São Paulo, São Paulo, Brazil
,
Stephanie Rugeri Souza
3   Department of Otolaryngology, Universidade de Mogi das Cruzes, Mogi das Cruzes, São Paulo, Brazil
,
Ana Adelina Giantomasi Della Torre
1   Department of Otolaryngology, Universidade de São Paulo, School of Medicine, São Paulo, São Paulo, Brazil
,
Anna Carolina de Oliveira Fonseca
1   Department of Otolaryngology, Universidade de São Paulo, School of Medicine, São Paulo, São Paulo, Brazil
› Author Affiliations
Further Information

Publication History

03 March 2015

28 June 2015

Publication Date:
04 November 2015 (online)

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Abstract

Introduction Otosclerosis is a primary disease of the temporal bone that leads to stapes ankylosis. Hearing loss is the main symptom. Treatment includes surgery, medical treatment, and sound amplification therapy alone or in combination.

Objective To evaluate the functional outcomes of patients with clinical diagnosis of otosclerosis undergoing primary stapes surgery in a teaching institution.

Method Retrospective descriptive study.

Results A total of 210 ears of 163 patients underwent stapes surgery. Of the 163 patients, 116 (71.2%) underwent unilateral surgery and 47 (28.8%) underwent bilateral surgery. Six of the 210 operated ears had obliterative otosclerosis. The average preoperative and postoperative air–bone gap was 32.06 and 4.39 dB, respectively. The mean preoperative and postoperative bone conduction threshold was 23.17 and 19.82 dB, respectively. A total of 184 (87.6%) ears had a residual air–bone gap <10 dB, and 196 (93.3%) had a residual air–bone gap ≤15 dB. Two patients (0.95%) had severe sensorineural hearing loss.

Conclusion Stapes surgery showed excellent functional hearing outcomes in this study. This surgery may be performed in educational institutions with the supervision of experienced surgeons.

Keywords

hearing loss - otosclerosis - stapes surgery - stapes mobilization
 

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