Otolaryngology--head and neck surgery : official journal of American Academy of Otolaryngology-Head and Neck Surgery · 2002
Tympanosclerosis: long-term hearing results after ossicular reconstruction.
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Teufert Karen Borne, De La Cruz Antonio
Аннотация
OBJECTIVE: The study goal was to analyze long-term hearing results and factors likely to affect outcome after ossicular reconstruction in patients with tympanosclerosis, particularly tympanosclerotic stapes fixation.
METHODS: We conducted a retrospective chart review of the past 10 years. The short- and long-term (up to 9(1/2) years) hearing results of first-stage and second-stage operations for middle ear tympanosclerosis in 203 consecutive patients, performed in a tertiary referral otologic private practice, are presented. There were 160 tympanoplasties and 43 tympanoplasties with mastoidectomy performed, with ossicular fixation secondary to tympanosclerosis in 135 cases. Of these 203, 42.9% were primary cases, with the majority being planned second-stage or revision procedures.
RESULTS: The average preoperative air-bone gap (ABG) was 30.9 dB. The average short-term postoperative ABG was 17.4 dB with closure of the ABG within 20 dB in 64.6%. The success rate (ABG < or = 20 dB) for patients with ossicular fixation was 65.3%. Partial sensorineural hearing loss occurred in 1.0% of the patients, and none experienced profound sensorineural hearing loss (dead ears). There was no statistically significant change from short-term to long-term follow-up in either ABG or air PTA, with mean differences of only 0.3 and 2.0 dB, respectively. The mean time to the last follow-up was 1.6 years.
CONCLUSION: Ossicular reconstruction in individuals with tympanosclerosis can yield satisfactory, lasting hearing results with a low incidence of complications and no dead ears.
METHODS: We conducted a retrospective chart review of the past 10 years. The short- and long-term (up to 9(1/2) years) hearing results of first-stage and second-stage operations for middle ear tympanosclerosis in 203 consecutive patients, performed in a tertiary referral otologic private practice, are presented. There were 160 tympanoplasties and 43 tympanoplasties with mastoidectomy performed, with ossicular fixation secondary to tympanosclerosis in 135 cases. Of these 203, 42.9% were primary cases, with the majority being planned second-stage or revision procedures.
RESULTS: The average preoperative air-bone gap (ABG) was 30.9 dB. The average short-term postoperative ABG was 17.4 dB with closure of the ABG within 20 dB in 64.6%. The success rate (ABG < or = 20 dB) for patients with ossicular fixation was 65.3%. Partial sensorineural hearing loss occurred in 1.0% of the patients, and none experienced profound sensorineural hearing loss (dead ears). There was no statistically significant change from short-term to long-term follow-up in either ABG or air PTA, with mean differences of only 0.3 and 2.0 dB, respectively. The mean time to the last follow-up was 1.6 years.
CONCLUSION: Ossicular reconstruction in individuals with tympanosclerosis can yield satisfactory, lasting hearing results with a low incidence of complications and no dead ears.