Abstract
Preservation of stapedius muscle and incudo-stapedial joint during stapedotomy for otosclerosis is the motto of the dat. The Study was carried out in 500 patients. In Group A (n = 140), the stapedius muscle and incudostapedial joint were preserved. In Group B (n = 360), the stapedius muscle was cut. One month after surgery in Group A patients, the Stapedius-Reflex (SR) was evoked in 75% and three months later in 90%. The mean Loudness Discomfort Level (LDL) after one month of surgery in Group A was 95dB while three months after it was increased to 110dB. Speech discrimination score (SDS) in Group A with 80 dB suprathreshold is 93% and in Group B it is only 72%. This study established the fact that the preservation of stapedial muscle and incudo stapedial join is beneficial and essential, whenever possible, in the surgery for otosclerosis.
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