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Ionomeric bone cement in neuro-otological surgery
R T Ramsden1, R C Herdman, R H Lye
1Department of Otolaryngology, Manchester Royal Infirmary.
The Journal of Laryngology and Otology
|November 1, 1992
Summary
Polymaleinate glass ionomer cement is highly effective in neuro-otology surgery, particularly for acoustic neuroma, eliminating cerebrospinal fluid fistulas. It also serves as the preferred method for cochlear implant fixation with no observed side effects.
Area of Science:
- Neurosurgery
- Otolaryngology
- Biomaterials
Background:
- Cerebrospinal fluid (CSF) fistulas are a significant complication in neuro-otology surgery.
- Secure fixation of cochlear implants is crucial for device efficacy.
- The development of biocompatible and effective surgical cements is an ongoing area of research.
Purpose of the Study:
- To describe the application and efficacy of polymaleinate glass ionomer cement in neuro-otology.
- To evaluate its role in reducing CSF fistula incidence.
- To assess its suitability for cochlear implant fixation.
Main Methods:
- Retrospective case series of 80 neuro-otology patients.
- Application of polymaleinate glass ionomer cement in various otologic and neuro-otologic procedures.
- Documentation of surgical outcomes, including CSF fistula rates and implant stability.
Main Results:
- Polymaleinate glass ionomer cement demonstrated significant value in translabyrinthine acoustic neuroma surgery.
- The incidence of CSF fistula was reduced to nil in cases using this cement.
- It proved to be the method of choice for Nucleus cochlear implant fixation.
- The cement is easy to handle and showed no adverse effects.
Conclusions:
- Polymaleinate glass ionomer cement is a valuable and safe biomaterial for neuro-otology.
- Its use effectively prevents CSF fistulas in acoustic neuroma surgery.
- It is the recommended material for cochlear implant fixation, offering ease of use and a favorable safety profile.