Malleus to Stapes Bone Cement Rebridging Ossiculoplasty: Why Dont We Perform Frequently?

Objective:

To evaluate the effectiveness of malleus to stapes bone cement rebridging (MS-BCR) for Austin Kartush group A ossicular defects and compare the audiological results with incus interposition (IP) and incus to stapes bone cement rebridging (IS-BCR).

Methods:

Patients for whom type 2 tympanoplasty had been performed in a tertiary referral center were examined. Revision cases and those with graft failure were excluded. Three treatment groups were IS-BCR, IP, and MS-BCR. Preoperative and postoperative audiological results were compared.

Results:

A total of 92 patients were enrolled. The IS-BCR was performed in 42 (45.65%), IP in 18 (19.56%), and MS-BCR in 32 (34.78%) patients. Postoperative mean air bone gap was 20.1 ± 9.8 dB HL and did not differ significantly between the groups (P = .271). Postoperative mean air bone gap less than 20 dB HL was achieved in 23 (54.7%) patients in IS-BCR, 10 (55.5%) patients in IP group, and 24 (75%) patients in MS-BCR group (P = .06). Mean closure in air bone gap was 14.0 ± 11.6 dB HL. The changes in mean and frequency-specific air bone gap were not significantly different between treatment groups (P > .05).

Conclusion:

Malleus to stapes bone cement rebridging may provide hearing results comparable to IS-BCR and IP.

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