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Primary stapedotomy in children with otosclerosis: A prospective study of 41 consecutive cases.

Laryngoscope 2016 Februrary
OBJECTIVES/HYPOTHESIS: To prospectively evaluate hearing outcomes in children with otosclerosis undergoing primary stapes surgery.

STUDY DESIGN: A nonrandomized, nonblinded, prospective case series.

METHODS: Thirty-four consecutive pediatric patients who underwent 41 primary stapedotomies for otosclerosis in a tertiary referral center were included. Patients were included when there was evidence of otosclerotic stapes fixation and they had available postoperative pure-tone audiometry. Patients underwent primary stapedotomy with vein graft interposition and reconstruction with a regular piston, bucket handle prosthesis, or total ossicular replacement prosthesis. Hearing results were evaluated using pre- and postoperative four-frequency (0.5, 1, 2, and 4 kHz) audiometry. Air-conduction thresholds, bone-conduction thresholds, and air-bone gaps were measured. Postoperative audiometry was performed at 3, 6, 9, 12, 18, and 24 months after surgery and at a yearly interval thereafter.

RESULTS: Overall, a postoperative air-bone gap closure of 10 dB or less was achieved in 93% of cases and to within 20 dB in 98% of cases. Mean gain in air-conduction threshold was 23 dB for the entire case series, and mean air-bone gap closure was 23 dB. Postoperative sensorineural hearing loss, defined as changes in bone-conduction thresholds exceeding 10 dB, occurred in one case at last follow-up. The bone-conduction threshold deteriorated 13 dB in this case.

CONCLUSION: Primary stapedotomy is a safe and feasible treatment option in children with juvenile otosclerosis.


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