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A retrospective study on the outcomes of stapedotomy with vein graft interposition and vein graft surround techniques
S Colvin1, A Lepcha1, A M Augustine1
1Department of ENT, Christian Medical College, Vellore, India.
Objective:
This study evaluated audiological outcomes of stapedotomy using two different techniques, vein graft interposition and vein graft surround, for sealing the stapes fenestra.
Method:
A retrospective study of 130 patients who underwent stapedotomy for otosclerosis was performed. A total of 84 patients underwent the vein graft surround procedure and 46 underwent the vein graft interposition procedure. Post-operative hearing outcome was compared between them.
Results:
A total of 55 of 130 patients had a post-operative air-bone gap of less than 10 dB. A total of 57 patients had an air-bone gap within 20 dB. The average air-bone gap was 13.16 dB at 3 months with a mean improvement of 22.06 dB (11.98 dB for vein graft interposition and 13.80 dB for vein graft surround; p = 0.79).
Conclusion:
There was no significant difference in hearing outcome between the two techniques. The vein graft interposition technique is preferred for large fenestra or stapedectomy cases and in cerebrospinal fluid gusher cases. The vein graft surround technique is easier to perform and preferred in small fenestra stapedotomy.
