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Cochlear implantation in common cavity deformity: a systematic review.
Ayshah Al-Mahboob1, Salman F Alhabib2, Yassin Abdelsamad3
1Department of Otorhinolaryngology-Head and Neck Surgery, King Abdul-Aziz University Hospital, Riyadh, Saudi Arabia.
Summary
Cochlear implantation offers hearing benefits for common cavity deformity patients, though outcomes vary. Individualized surgical approaches and pre-operative counseling are crucial for optimizing results in this population.
Area of Science:
- Otolaryngology
- Audiology
- Neurosurgery
Background:
- Common cavity deformity is a complex inner ear malformation.
- Cochlear implantation is an emerging hearing rehabilitation option for these patients.
- Understanding outcomes and surgical considerations is vital.
Purpose of the Study:
- To assess audiological and speech outcomes of cochlear implantation in common cavity deformity.
- To review surgical techniques employed in this patient group.
Main Methods:
- Systematic literature review following PRISMA guidelines.
- Inclusion of 18 articles comprising 138 patients with common cavity deformity.
- Analysis of surgical approaches and audiological results.
Main Results:
- Trans-mastoid labyrinthotomy was the predominant surgical approach.
- Speech intelligibility and auditory performance scores were lower than in normal cochlea.
- Outcomes were comparable to other inner ear malformations, with high variability.
Conclusions:
- Cochlear implantation provides audiological and speech benefits for common cavity deformity.
- Patient performance is highly variable, necessitating individualized surgical strategies.
- Pre-operative counseling and tailored surgical approaches are essential for successful outcomes.
