Comparative study of the clinical and audiological outcome of stapedotomy with and without use of bone cement
Elsherif Omar A., Abdelrahman Yosry O., Al-Awamry Mahmoud I., Karamany Amr EE.Backgroundand aim
Otosclerosis is a multifactorial bone disorder that causes conductive hearing loss and is often treated with stapes surgery, such as stapedotomy. We aimed to assess the effect of applying glass ionomer bone cement to the prosthesis during stapedotomy on hearing outcomes, safety, and complication rates.
Patients and methods
In this prospective randomized controlled study, 30 ears with clinical otosclerosis were randomized into two groups: group A underwent conventional stapedotomy with a Teflon piston prosthesis, while group B had the prosthesis fixed using bone cement. Audiometric evaluations were performed preoperatively and at 3 and 6 months postoperatively.
Results
The study showed a significantly shorter operative time in group B. At 500 Hz and 1000 Hz, air conduction thresholds and the average air-bone gap were significantly better in the bone cement group at both postoperative intervals, indicating superior hearing outcomes. The secure bond from the cement enhanced the prosthesis stability.
Conclusion
Using glass ionomer bone cement during primary stapedotomy provides greater prosthesis stability and significantly improves postoperative hearing thresholds, potentially reducing the risk of recurrent conductive loss from prosthesis dislocation.